"use client";

import React, { useState, useMemo, useEffect } from "react";
import { Label } from "@/components/ui/label";
import { Input } from "@/components/ui/input";
import { Switch } from "@/components/ui/switch";
import { Checkbox } from "@/components/ui/checkbox";
import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
import { Slider } from "@/components/ui/slider";
import { Command, CommandEmpty, CommandGroup, CommandInput, CommandItem, CommandList } from "@/components/ui/command";
import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover";
import { Button } from "@/components/ui/button";
// Accordion 제거 - 단순 섹션으로 변경
import { Check, ChevronsUpDown, ArrowRight, Plus, X, ArrowUp, ArrowDown, Trash2, Database, GripVertical } from "lucide-react";
import { cn } from "@/lib/utils";
import { SplitPanelLayoutConfig, AdditionalTabConfig } from "./types";
import { TableInfo, ColumnInfo } from "@/types/screen";
import { Accordion, AccordionContent, AccordionItem, AccordionTrigger } from "@/components/ui/accordion";
import { tableTypeApi } from "@/lib/api/screen";
import { DataFilterConfigPanel } from "@/components/screen/config-panels/DataFilterConfigPanel";

interface SplitPanelLayoutConfigPanelProps {
  config: SplitPanelLayoutConfig;
  onChange: (config: SplitPanelLayoutConfig) => void;
  tables?: TableInfo[]; // 전체 테이블 목록 (선택적)
  screenTableName?: string; // 현재 화면의 테이블명 (좌측 패널에서 사용)
  menuObjid?: number; // 🆕 메뉴 OBJID (카테고리 값 조회 시 필요)
}

/**
 * 그룹핑 기준 컬럼 선택 컴포넌트
 */
const GroupByColumnsSelector: React.FC<{
  tableName?: string;
  selectedColumns: string[];
  onChange: (columns: string[]) => void;
}> = ({ tableName, selectedColumns, onChange }) => {
  const [columns, setColumns] = useState<any[]>([]); // ColumnTypeInfo 타입
  const [loading, setLoading] = useState(false);

  useEffect(() => {
    if (!tableName) {
      setColumns([]);
      return;
    }

    const loadColumns = async () => {
      setLoading(true);
      try {
        const { tableManagementApi } = await import("@/lib/api/tableManagement");
        const response = await tableManagementApi.getColumnList(tableName);
        if (response.success && response.data && response.data.columns) {
          setColumns(response.data.columns);
        }
      } catch (error) {
        console.error("컬럼 정보 로드 실패:", error);
      } finally {
        setLoading(false);
      }
    };

    loadColumns();
  }, [tableName]);

  const toggleColumn = (columnName: string) => {
    const newSelection = selectedColumns.includes(columnName)
      ? selectedColumns.filter((c) => c !== columnName)
      : [...selectedColumns, columnName];
    onChange(newSelection);
  };

  if (!tableName) {
    return (
      <div className="rounded-md border border-dashed p-3">
        <p className="text-muted-foreground text-center text-xs">먼저 우측 패널의 테이블을 선택하세요</p>
      </div>
    );
  }

  return (
    <div>
      <Label className="text-xs">그룹핑 기준 컬럼</Label>
      {loading ? (
        <div className="rounded-md border p-3">
          <p className="text-muted-foreground text-center text-xs">로딩 중...</p>
        </div>
      ) : columns.length === 0 ? (
        <div className="rounded-md border border-dashed p-3">
          <p className="text-muted-foreground text-center text-xs">컬럼을 찾을 수 없습니다</p>
        </div>
      ) : (
        <div className="max-h-[200px] space-y-1 overflow-y-auto rounded-md border p-3">
          {columns.map((col) => (
            <div key={col.columnName} className="flex items-center gap-2">
              <Checkbox
                id={`groupby-${col.columnName}`}
                checked={selectedColumns.includes(col.columnName)}
                onCheckedChange={() => toggleColumn(col.columnName)}
              />
              <label htmlFor={`groupby-${col.columnName}`} className="flex-1 cursor-pointer text-xs">
                {col.columnLabel || col.columnName}
                <span className="text-muted-foreground ml-1">({col.columnName})</span>
              </label>
            </div>
          ))}
        </div>
      )}
      <p className="text-muted-foreground mt-1 text-[10px]">
        선택된 컬럼: {selectedColumns.length > 0 ? selectedColumns.join(", ") : "없음"}
        <br />
        같은 값을 가진 모든 레코드를 함께 불러옵니다
      </p>
    </div>
  );
};

/**
 * 화면 선택 Combobox 컴포넌트
 */
const ScreenSelector: React.FC<{
  value?: number;
  onChange: (screenId?: number) => void;
}> = ({ value, onChange }) => {
  const [open, setOpen] = useState(false);
  const [screens, setScreens] = useState<Array<{ screenId: number; screenName: string; screenCode: string }>>([]);
  const [loading, setLoading] = useState(false);

  useEffect(() => {
    const loadScreens = async () => {
      setLoading(true);
      try {
        const { screenApi } = await import("@/lib/api/screen");
        const response = await screenApi.getScreens({ page: 1, size: 1000 });
        setScreens(
          response.data.map((s) => ({ screenId: s.screenId, screenName: s.screenName, screenCode: s.screenCode })),
        );
      } catch (error) {
        console.error("화면 목록 로드 실패:", error);
      } finally {
        setLoading(false);
      }
    };
    loadScreens();
  }, []);

  const selectedScreen = screens.find((s) => s.screenId === value);

  return (
    <Popover open={open} onOpenChange={setOpen}>
      <PopoverTrigger asChild>
        <Button
          variant="outline"
          role="combobox"
          aria-expanded={open}
          className="h-8 w-full justify-between text-xs"
          disabled={loading}
        >
          {loading ? "로딩 중..." : selectedScreen ? selectedScreen.screenName : "화면 선택"}
          <ChevronsUpDown className="ml-2 h-4 w-4 shrink-0 opacity-50" />
        </Button>
      </PopoverTrigger>
      <PopoverContent className="w-[400px] p-0" align="start">
        <Command>
          <CommandInput placeholder="화면 검색..." className="text-xs" />
          <CommandList>
            <CommandEmpty className="py-6 text-center text-xs">화면을 찾을 수 없습니다.</CommandEmpty>
            <CommandGroup className="max-h-[300px] overflow-auto">
              {screens.map((screen) => (
                <CommandItem
                  key={screen.screenId}
                  value={`${screen.screenName.toLowerCase()} ${screen.screenCode.toLowerCase()} ${screen.screenId}`}
                  onSelect={() => {
                    onChange(screen.screenId === value ? undefined : screen.screenId);
                    setOpen(false);
                  }}
                  className="text-xs"
                >
                  <Check className={cn("mr-2 h-4 w-4", value === screen.screenId ? "opacity-100" : "opacity-0")} />
                  <div className="flex flex-col">
                    <span className="font-medium">{screen.screenName}</span>
                    <span className="text-muted-foreground text-[10px]">{screen.screenCode}</span>
                  </div>
                </CommandItem>
              ))}
            </CommandGroup>
          </CommandList>
        </Command>
      </PopoverContent>
    </Popover>
  );
};

/**
 * 추가 탭 설정 패널 (우측 패널과 동일한 구조)
 */
interface AdditionalTabConfigPanelProps {
  tab: AdditionalTabConfig;
  tabIndex: number;
  config: SplitPanelLayoutConfig;
  updateRightPanel: (updates: Partial<SplitPanelLayoutConfig["rightPanel"]>) => void;
  availableRightTables: TableInfo[];
  leftTableColumns: ColumnInfo[];
  menuObjid?: number;
  // 공유 컬럼 로드 상태
  loadedTableColumns: Record<string, ColumnInfo[]>;
  loadTableColumns: (tableName: string) => Promise<void>;
  loadingColumns: Record<string, boolean>;
}

const AdditionalTabConfigPanel: React.FC<AdditionalTabConfigPanelProps> = ({
  tab,
  tabIndex,
  config,
  updateRightPanel,
  availableRightTables,
  leftTableColumns,
  menuObjid,
  loadedTableColumns,
  loadTableColumns,
  loadingColumns,
}) => {
  // 탭 테이블 변경 시 컬럼 로드
  useEffect(() => {
    if (tab.tableName && !loadedTableColumns[tab.tableName] && !loadingColumns[tab.tableName]) {
      loadTableColumns(tab.tableName);
    }
  }, [tab.tableName, loadedTableColumns, loadingColumns, loadTableColumns]);

  // 현재 탭의 컬럼 목록
  const tabColumns = useMemo(() => {
    return tab.tableName ? loadedTableColumns[tab.tableName] || [] : [];
  }, [tab.tableName, loadedTableColumns]);

  // 로딩 상태
  const loadingTabColumns = tab.tableName ? loadingColumns[tab.tableName] || false : false;

  // 탭 업데이트 헬퍼
  const updateTab = (updates: Partial<AdditionalTabConfig>) => {
    const newTabs = [...(config.rightPanel?.additionalTabs || [])];
    // undefined 값도 명시적으로 덮어쓰기 위해 Object.assign 대신 직접 처리
    const updatedTab = { ...tab };
    Object.keys(updates).forEach((key) => {
      (updatedTab as any)[key] = (updates as any)[key];
    });
    newTabs[tabIndex] = updatedTab;
    updateRightPanel({ additionalTabs: newTabs });
  };

  return (
    <AccordionItem
      key={tab.tabId}
      value={tab.tabId}
      className="rounded-lg border bg-muted"
    >
      <AccordionTrigger className="px-3 py-2 hover:no-underline">
        <div className="flex flex-1 items-center gap-2">
          <GripVertical className="h-4 w-4 text-muted-foreground/70" />
          <span className="text-sm font-medium">
            {tab.label || `탭 ${tabIndex + 1}`}
          </span>
          {tab.tableName && (
            <span className="text-xs text-muted-foreground">({tab.tableName})</span>
          )}
        </div>
      </AccordionTrigger>
      <AccordionContent className="px-3 pb-3">
        <div className="space-y-4">
          {/* ===== 1. 기본 정보 ===== */}
          <div className="space-y-3 rounded-lg border bg-white p-3">
            <Label className="text-xs font-semibold text-primary">기본 정보</Label>
            <div className="grid grid-cols-2 gap-3">
              <div className="space-y-1">
                <Label className="text-xs">탭 라벨</Label>
                <Input
                  value={tab.label}
                  onChange={(e) => updateTab({ label: e.target.value })}
                  placeholder="탭 이름"
                  className="h-8 text-xs"
                />
              </div>
              <div className="space-y-1">
                <Label className="text-xs">패널 제목</Label>
                <Input
                  value={tab.title}
                  onChange={(e) => updateTab({ title: e.target.value })}
                  placeholder="패널 제목"
                  className="h-8 text-xs"
                />
              </div>
            </div>
            <div className="space-y-1">
              <Label className="text-xs">패널 헤더 높이</Label>
              <Input
                type="number"
                value={tab.panelHeaderHeight ?? 48}
                onChange={(e) => updateTab({ panelHeaderHeight: parseInt(e.target.value) || 48 })}
                placeholder="48"
                className="h-8 w-24 text-xs"
              />
            </div>
          </div>

          {/* ===== 2. 테이블 선택 ===== */}
          <div className="space-y-3 rounded-lg border bg-white p-3">
            <Label className="text-xs font-semibold text-primary">테이블 설정</Label>
            <div className="space-y-1">
              <Label className="text-xs">테이블 선택</Label>
              <Popover>
                <PopoverTrigger asChild>
                  <Button
                    variant="outline"
                    role="combobox"
                    className="h-8 w-full justify-between text-xs"
                  >
                    {tab.tableName || "테이블을 선택하세요"}
                    <ChevronsUpDown className="ml-2 h-3 w-3 shrink-0 opacity-50" />
                  </Button>
                </PopoverTrigger>
                <PopoverContent className="w-full p-0">
                  <Command>
                    <CommandInput placeholder="테이블 검색..." className="text-xs" />
                    <CommandEmpty>테이블을 찾을 수 없습니다.</CommandEmpty>
                    <CommandGroup className="max-h-[200px] overflow-auto">
                      {availableRightTables.map((table) => (
                        <CommandItem
                          key={table.tableName}
                          value={`${table.displayName || ""} ${table.tableName}`}
                          onSelect={() => updateTab({ tableName: table.tableName, columns: [] })}
                        >
                          <Check
                            className={cn(
                              "mr-2 h-4 w-4",
                              tab.tableName === table.tableName ? "opacity-100" : "opacity-0"
                            )}
                          />
                          {table.displayName || table.tableName}
                        </CommandItem>
                      ))}
                    </CommandGroup>
                  </Command>
                </PopoverContent>
              </Popover>
            </div>
          </div>

          {/* ===== 3. 표시 모드 ===== */}
          <div className="space-y-3 rounded-lg border bg-white p-3">
            <Label className="text-xs font-semibold text-primary">표시 설정</Label>
            <div className="space-y-1">
              <Label className="text-xs">표시 모드</Label>
              <Select
                value={tab.displayMode || "list"}
                onValueChange={(value: "list" | "table") => updateTab({ displayMode: value })}
              >
                <SelectTrigger className="h-8 text-xs">
                  <SelectValue />
                </SelectTrigger>
                <SelectContent>
                  <SelectItem value="list">목록 (카드)</SelectItem>
                  <SelectItem value="table">테이블</SelectItem>
                </SelectContent>
              </Select>
            </div>

            {/* 요약 설정 (목록 모드) */}
            {tab.displayMode === "list" && (
              <div className="grid grid-cols-2 gap-3">
                <div className="space-y-1">
                  <Label className="text-xs">요약 컬럼 수</Label>
                  <Input
                    type="number"
                    value={tab.summaryColumnCount ?? 3}
                    onChange={(e) => updateTab({ summaryColumnCount: parseInt(e.target.value) || 3 })}
                    min={1}
                    max={10}
                    className="h-8 text-xs"
                  />
                </div>
                <div className="flex items-center gap-2 pt-5">
                  <Checkbox
                    id={`tab-${tabIndex}-summary-label`}
                    checked={tab.summaryShowLabel ?? true}
                    onCheckedChange={(checked) => updateTab({ summaryShowLabel: !!checked })}
                  />
                  <label htmlFor={`tab-${tabIndex}-summary-label`} className="text-xs">라벨 표시</label>
                </div>
              </div>
            )}
          </div>

          {/* ===== 4. 컬럼 매핑 (연결 키) ===== */}
          <div className="space-y-3 rounded-lg border bg-white p-3">
            <Label className="text-xs font-semibold text-primary">컬럼 매핑 (연결 키)</Label>
            <p className="text-[10px] text-muted-foreground">
              좌측 패널 선택 시 관련 데이터만 표시합니다
            </p>
            <div className="mt-2 grid grid-cols-2 gap-2">
              <div className="space-y-1">
                <Label className="text-[10px]">좌측 컬럼</Label>
                <Select
                  value={tab.relation?.keys?.[0]?.leftColumn || tab.relation?.leftColumn || "__none__"}
                  onValueChange={(value) => {
                    if (value === "__none__") {
                      // 선택 안 함 - 조인 키 제거
                      updateTab({
                        relation: undefined,
                      });
                    } else {
                      updateTab({
                        relation: {
                          ...tab.relation,
                          type: "join",
                          keys: [{ leftColumn: value, rightColumn: tab.relation?.keys?.[0]?.rightColumn || "" }],
                        },
                      });
                    }
                  }}
                >
                  <SelectTrigger className="h-7 text-xs">
                    <SelectValue placeholder="선택" />
                  </SelectTrigger>
                  <SelectContent>
                    <SelectItem value="__none__">
                      <span className="text-muted-foreground">선택 안 함 (전체 데이터)</span>
                    </SelectItem>
                    {leftTableColumns.map((col) => (
                      <SelectItem key={col.columnName} value={col.columnName}>
                        {col.columnLabel || col.columnName}
                      </SelectItem>
                    ))}
                  </SelectContent>
                </Select>
              </div>
              <div className="space-y-1">
                <Label className="text-[10px]">우측 컬럼</Label>
                <Select
                  value={tab.relation?.keys?.[0]?.rightColumn || tab.relation?.foreignKey || "__none__"}
                  onValueChange={(value) => {
                    if (value === "__none__") {
                      // 선택 안 함 - 조인 키 제거
                      updateTab({
                        relation: undefined,
                      });
                    } else {
                      updateTab({
                        relation: {
                          ...tab.relation,
                          type: "join",
                          keys: [{ leftColumn: tab.relation?.keys?.[0]?.leftColumn || "", rightColumn: value }],
                        },
                      });
                    }
                  }}
                >
                  <SelectTrigger className="h-7 text-xs">
                    <SelectValue placeholder="선택" />
                  </SelectTrigger>
                  <SelectContent>
                    <SelectItem value="__none__">
                      <span className="text-muted-foreground">선택 안 함 (전체 데이터)</span>
                    </SelectItem>
                    {tabColumns.map((col) => (
                      <SelectItem key={col.columnName} value={col.columnName}>
                        {col.columnLabel || col.columnName}
                      </SelectItem>
                    ))}
                  </SelectContent>
                </Select>
              </div>
            </div>
          </div>

          {/* ===== 5. 기능 버튼 ===== */}
          <div className="space-y-3 rounded-lg border bg-white p-3">
            <Label className="text-xs font-semibold text-primary">기능 버튼</Label>
            <div className="grid grid-cols-4 gap-2">
              <div className="flex items-center gap-1">
                <Checkbox
                  id={`tab-${tabIndex}-search`}
                  checked={tab.showSearch}
                  onCheckedChange={(checked) => updateTab({ showSearch: !!checked })}
                />
                <label htmlFor={`tab-${tabIndex}-search`} className="text-xs">검색</label>
              </div>
              <div className="flex items-center gap-1">
                <Checkbox
                  id={`tab-${tabIndex}-add`}
                  checked={tab.showAdd}
                  onCheckedChange={(checked) => updateTab({ showAdd: !!checked })}
                />
                <label htmlFor={`tab-${tabIndex}-add`} className="text-xs">추가</label>
              </div>
              <div className="flex items-center gap-1">
                <Checkbox
                  id={`tab-${tabIndex}-edit`}
                  checked={tab.showEdit}
                  onCheckedChange={(checked) => updateTab({ showEdit: !!checked })}
                />
                <label htmlFor={`tab-${tabIndex}-edit`} className="text-xs">수정</label>
              </div>
              <div className="flex items-center gap-1">
                <Checkbox
                  id={`tab-${tabIndex}-delete`}
                  checked={tab.showDelete}
                  onCheckedChange={(checked) => updateTab({ showDelete: !!checked })}
                />
                <label htmlFor={`tab-${tabIndex}-delete`} className="text-xs">삭제</label>
              </div>
            </div>
          </div>

          {/* ===== 6. 표시 컬럼 설정 ===== */}
          <div className="space-y-3 rounded-lg border border-emerald-200 bg-emerald-50 p-3">
            <div className="flex items-center justify-between">
              <Label className="text-xs font-semibold text-emerald-700">표시할 컬럼 선택</Label>
              <Button
                size="sm"
                variant="outline"
                onClick={() => {
                  const currentColumns = tab.columns || [];
                  const newColumns = [...currentColumns, { name: "", label: "", width: 100 }];
                  updateTab({ columns: newColumns });
                }}
                className="h-7 text-xs"
                disabled={!tab.tableName || loadingTabColumns}
              >
                <Plus className="mr-1 h-3 w-3" />
                컬럼 추가
              </Button>
            </div>
            <p className="text-[10px] text-muted-foreground">
              표시할 컬럼을 선택하세요. 선택하지 않으면 모든 컬럼이 표시됩니다.
            </p>

            {/* 테이블 미선택 상태 */}
            {!tab.tableName && (
              <div className="rounded-md border border-dashed border-input bg-white p-3 text-center">
                <p className="text-xs text-muted-foreground">먼저 테이블을 선택하세요</p>
              </div>
            )}

            {/* 테이블 선택됨 - 컬럼 목록 */}
            {tab.tableName && (
              <div className="space-y-2">
                {/* 로딩 상태 */}
                {loadingTabColumns && (
                  <div className="rounded-md border border-dashed border-input bg-white p-3 text-center">
                    <p className="text-xs text-muted-foreground">컬럼을 불러오는 중...</p>
                  </div>
                )}

                {/* 설정된 컬럼이 없을 때 */}
                {!loadingTabColumns && (tab.columns || []).length === 0 && (
                  <div className="rounded-md border border-dashed border-input bg-white p-3 text-center">
                    <p className="text-xs text-muted-foreground">설정된 컬럼이 없습니다</p>
                    <p className="mt-1 text-[10px] text-muted-foreground/70">컬럼을 추가하지 않으면 모든 컬럼이 표시됩니다</p>
                  </div>
                )}

                {/* 설정된 컬럼 목록 */}
                {!loadingTabColumns && (tab.columns || []).length > 0 && (
                  (tab.columns || []).map((col, colIndex) => (
                    <div key={colIndex} className="space-y-2 rounded-md border bg-white p-3">
                      {/* 상단: 순서 변경 + 삭제 버튼 */}
                      <div className="flex items-center justify-between">
                        <div className="flex items-center gap-1">
                          <Button
                            size="sm"
                            variant="ghost"
                            onClick={() => {
                              if (colIndex === 0) return;
                              const newColumns = [...(tab.columns || [])];
                              [newColumns[colIndex - 1], newColumns[colIndex]] = [newColumns[colIndex], newColumns[colIndex - 1]];
                              updateTab({ columns: newColumns });
                            }}
                            disabled={colIndex === 0}
                            className="h-6 w-6 p-0"
                          >
                            <ArrowUp className="h-3 w-3" />
                          </Button>
                          <Button
                            size="sm"
                            variant="ghost"
                            onClick={() => {
                              const columns = tab.columns || [];
                              if (colIndex === columns.length - 1) return;
                              const newColumns = [...columns];
                              [newColumns[colIndex], newColumns[colIndex + 1]] = [newColumns[colIndex + 1], newColumns[colIndex]];
                              updateTab({ columns: newColumns });
                            }}
                            disabled={colIndex === (tab.columns || []).length - 1}
                            className="h-6 w-6 p-0"
                          >
                            <ArrowDown className="h-3 w-3" />
                          </Button>
                          <span className="text-[10px] text-muted-foreground/70">#{colIndex + 1}</span>
                        </div>
                        <Button
                          size="sm"
                          variant="ghost"
                          onClick={() => {
                            const newColumns = (tab.columns || []).filter((_, i) => i !== colIndex);
                            updateTab({ columns: newColumns });
                          }}
                          className="h-6 w-6 p-0 text-destructive hover:bg-destructive/10 hover:text-destructive"
                        >
                          <X className="h-3 w-3" />
                        </Button>
                      </div>

                      {/* 컬럼 선택 */}
                      <div className="space-y-1">
                        <Label className="text-[10px] text-muted-foreground">컬럼</Label>
                        <Select
                          value={col.name}
                          onValueChange={(value) => {
                            const selectedCol = tabColumns.find((c) => c.columnName === value);
                            const newColumns = [...(tab.columns || [])];
                            newColumns[colIndex] = {
                              ...col,
                              name: value,
                              label: selectedCol?.columnLabel || value,
                            };
                            updateTab({ columns: newColumns });
                          }}
                        >
                          <SelectTrigger className="h-8 text-xs">
                            <SelectValue placeholder="컬럼을 선택하세요" />
                          </SelectTrigger>
                          <SelectContent>
                            {tabColumns.map((column) => (
                              <SelectItem key={column.columnName} value={column.columnName}>
                                {column.columnLabel || column.columnName}
                                <span className="ml-1 text-[10px] text-muted-foreground/70">({column.columnName})</span>
                              </SelectItem>
                            ))}
                          </SelectContent>
                        </Select>
                      </div>

                      {/* 라벨 + 너비 */}
                      <div className="grid grid-cols-2 gap-2">
                        <div className="space-y-1">
                          <Label className="text-[10px] text-muted-foreground">라벨</Label>
                          <Input
                            value={col.label}
                            onChange={(e) => {
                              const newColumns = [...(tab.columns || [])];
                              newColumns[colIndex] = { ...col, label: e.target.value };
                              updateTab({ columns: newColumns });
                            }}
                            placeholder="표시 라벨"
                            className="h-8 text-xs"
                          />
                        </div>
                        <div className="space-y-1">
                          <Label className="text-[10px] text-muted-foreground">너비 (px)</Label>
                          <Input
                            type="number"
                            value={col.width || 100}
                            onChange={(e) => {
                              const newColumns = [...(tab.columns || [])];
                              newColumns[colIndex] = { ...col, width: parseInt(e.target.value) || 100 };
                              updateTab({ columns: newColumns });
                            }}
                            placeholder="100"
                            className="h-8 text-xs"
                          />
                        </div>
                      </div>
                    </div>
                  ))
                )}
              </div>
            )}
          </div>

          {/* ===== 7. 추가 모달 컬럼 설정 (showAdd일 때) ===== */}
          {tab.showAdd && (
            <div className="space-y-3 rounded-lg border border-purple-200 bg-purple-50 p-3">
              <div className="flex items-center justify-between">
                <Label className="text-xs font-semibold text-purple-700">추가 모달 컬럼 설정</Label>
                <Button
                  size="sm"
                  variant="outline"
                  onClick={() => {
                    const currentColumns = tab.addModalColumns || [];
                    const newColumns = [...currentColumns, { name: "", label: "", required: false }];
                    updateTab({ addModalColumns: newColumns });
                  }}
                  className="h-7 text-xs"
                  disabled={!tab.tableName}
                >
                  <Plus className="mr-1 h-3 w-3" />
                  컬럼 추가
                </Button>
              </div>

              <div className="space-y-2">
                {(tab.addModalColumns || []).length === 0 ? (
                  <div className="rounded-md border border-dashed border-input bg-white p-3 text-center">
                    <p className="text-xs text-muted-foreground">추가 모달에 표시할 컬럼을 설정하세요</p>
                  </div>
                ) : (
                  (tab.addModalColumns || []).map((col, colIndex) => (
                    <div key={colIndex} className="flex items-center gap-2 rounded-md border bg-white p-2">
                      <Select
                        value={col.name}
                        onValueChange={(value) => {
                          const selectedCol = tabColumns.find((c) => c.columnName === value);
                          const newColumns = [...(tab.addModalColumns || [])];
                          newColumns[colIndex] = {
                            ...col,
                            name: value,
                            label: selectedCol?.columnLabel || value,
                          };
                          updateTab({ addModalColumns: newColumns });
                        }}
                      >
                        <SelectTrigger className="h-8 flex-1 text-xs">
                          <SelectValue placeholder="컬럼 선택" />
                        </SelectTrigger>
                        <SelectContent>
                          {tabColumns.map((column) => (
                            <SelectItem key={column.columnName} value={column.columnName}>
                              {column.columnLabel || column.columnName}
                            </SelectItem>
                          ))}
                        </SelectContent>
                      </Select>
                      <Input
                        value={col.label}
                        onChange={(e) => {
                          const newColumns = [...(tab.addModalColumns || [])];
                          newColumns[colIndex] = { ...col, label: e.target.value };
                          updateTab({ addModalColumns: newColumns });
                        }}
                        placeholder="라벨"
                        className="h-8 w-24 text-xs"
                      />
                      <div className="flex items-center gap-1">
                        <Checkbox
                          checked={col.required}
                          onCheckedChange={(checked) => {
                            const newColumns = [...(tab.addModalColumns || [])];
                            newColumns[colIndex] = { ...col, required: !!checked };
                            updateTab({ addModalColumns: newColumns });
                          }}
                        />
                        <span className="text-[10px]">필수</span>
                      </div>
                      <Button
                        size="sm"
                        variant="ghost"
                        onClick={() => {
                          const newColumns = (tab.addModalColumns || []).filter((_, i) => i !== colIndex);
                          updateTab({ addModalColumns: newColumns });
                        }}
                        className="h-8 w-8 p-0 text-destructive"
                      >
                        <X className="h-3 w-3" />
                      </Button>
                    </div>
                  ))
                )}
              </div>
            </div>
          )}

          {/* ===== 8. 데이터 필터링 ===== */}
          <div className="space-y-3 rounded-lg border bg-white p-3">
            <Label className="text-xs font-semibold text-primary">데이터 필터링</Label>
            <DataFilterConfigPanel
              tableName={tab.tableName}
              columns={tabColumns}
              config={tab.dataFilter}
              onConfigChange={(dataFilter) => updateTab({ dataFilter })}
              menuObjid={menuObjid}
            />
          </div>

          {/* ===== 9. 중복 데이터 제거 ===== */}
          <div className="space-y-3 rounded-lg border bg-white p-3">
            <div className="flex items-center justify-between">
              <Label className="text-xs font-semibold text-primary">중복 데이터 제거</Label>
              <Switch
                checked={tab.deduplication?.enabled ?? false}
                onCheckedChange={(checked) => {
                  if (checked) {
                    updateTab({
                      deduplication: {
                        enabled: true,
                        groupByColumn: "",
                        keepStrategy: "latest",
                        sortColumn: "start_date",
                      },
                    });
                  } else {
                    updateTab({ deduplication: undefined });
                  }
                }}
              />
            </div>
            {tab.deduplication?.enabled && (
              <div className="mt-2 space-y-2">
                <div className="space-y-1">
                  <Label className="text-[10px]">기준 컬럼</Label>
                  <Select
                    value={tab.deduplication?.groupByColumn || ""}
                    onValueChange={(value) => {
                      updateTab({
                        deduplication: { ...tab.deduplication!, groupByColumn: value },
                      });
                    }}
                  >
                    <SelectTrigger className="h-7 text-xs">
                      <SelectValue placeholder="컬럼 선택" />
                    </SelectTrigger>
                    <SelectContent>
                      {tabColumns.map((col) => (
                        <SelectItem key={col.columnName} value={col.columnName}>
                          {col.columnLabel || col.columnName}
                        </SelectItem>
                      ))}
                    </SelectContent>
                  </Select>
                </div>
                <div className="space-y-1">
                  <Label className="text-[10px]">정렬 컬럼</Label>
                  <Select
                    value={tab.deduplication?.sortColumn || ""}
                    onValueChange={(value) => {
                      updateTab({
                        deduplication: { ...tab.deduplication!, sortColumn: value },
                      });
                    }}
                  >
                    <SelectTrigger className="h-7 text-xs">
                      <SelectValue placeholder="컬럼 선택" />
                    </SelectTrigger>
                    <SelectContent>
                      {tabColumns.map((col) => (
                        <SelectItem key={col.columnName} value={col.columnName}>
                          {col.columnLabel || col.columnName}
                        </SelectItem>
                      ))}
                    </SelectContent>
                  </Select>
                </div>
                <div className="space-y-1">
                  <Label className="text-[10px]">유지 전략</Label>
                  <Select
                    value={tab.deduplication?.keepStrategy || "latest"}
                    onValueChange={(value: "latest" | "earliest" | "base_price" | "current_date") => {
                      updateTab({
                        deduplication: { ...tab.deduplication!, keepStrategy: value },
                      });
                    }}
                  >
                    <SelectTrigger className="h-7 text-xs">
                      <SelectValue />
                    </SelectTrigger>
                    <SelectContent>
                      <SelectItem value="latest">최신</SelectItem>
                      <SelectItem value="earliest">가장 오래된</SelectItem>
                      <SelectItem value="current_date">현재 날짜 기준</SelectItem>
                      <SelectItem value="base_price">기준가</SelectItem>
                    </SelectContent>
                  </Select>
                </div>
              </div>
            )}
          </div>

          {/* ===== 10. 수정 버튼 설정 ===== */}
          {tab.showEdit && (
            <div className="space-y-3 rounded-lg border border-primary/20 bg-primary/10 p-3">
              <Label className="text-xs font-semibold text-primary">수정 버튼 설정</Label>
              <div className="space-y-2">
                <div className="space-y-1">
                  <Label className="text-[10px]">수정 모드</Label>
                  <Select
                    value={tab.editButton?.mode || "auto"}
                    onValueChange={(value: "auto" | "modal") => {
                      updateTab({
                        editButton: { ...tab.editButton, enabled: true, mode: value },
                      });
                    }}
                  >
                    <SelectTrigger className="h-7 text-xs">
                      <SelectValue />
                    </SelectTrigger>
                    <SelectContent>
                      <SelectItem value="auto">자동 (인라인)</SelectItem>
                      <SelectItem value="modal">모달 화면</SelectItem>
                    </SelectContent>
                  </Select>
                </div>

                {tab.editButton?.mode === "modal" && (
                  <div className="space-y-1">
                    <Label className="text-[10px]">수정 모달 화면</Label>
                    <ScreenSelector
                      value={tab.editButton?.modalScreenId}
                      onChange={(screenId) => {
                        updateTab({
                          editButton: { ...tab.editButton, enabled: true, mode: "modal", modalScreenId: screenId },
                        });
                      }}
                    />
                  </div>
                )}

                <div className="grid grid-cols-2 gap-2">
                  <div className="space-y-1">
                    <Label className="text-[10px]">버튼 라벨</Label>
                    <Input
                      value={tab.editButton?.buttonLabel || ""}
                      onChange={(e) => {
                        updateTab({
                          editButton: { ...tab.editButton, enabled: true, buttonLabel: e.target.value || undefined },
                        });
                      }}
                      placeholder="수정"
                      className="h-7 text-xs"
                    />
                  </div>
                  <div className="space-y-1">
                    <Label className="text-[10px]">버튼 스타일</Label>
                    <Select
                      value={tab.editButton?.buttonVariant || "ghost"}
                      onValueChange={(value: "default" | "outline" | "ghost") => {
                        updateTab({
                          editButton: { ...tab.editButton, enabled: true, buttonVariant: value },
                        });
                      }}
                    >
                      <SelectTrigger className="h-7 text-xs">
                        <SelectValue />
                      </SelectTrigger>
                      <SelectContent>
                        <SelectItem value="ghost">Ghost (기본)</SelectItem>
                        <SelectItem value="outline">Outline</SelectItem>
                        <SelectItem value="default">Default</SelectItem>
                      </SelectContent>
                    </Select>
                  </div>
                </div>

                {/* 그룹핑 기준 컬럼 */}
                <div className="space-y-1">
                  <Label className="text-[10px]">그룹핑 기준 컬럼</Label>
                  <p className="text-[9px] text-muted-foreground">수정 시 같은 값을 가진 레코드를 함께 불러옵니다</p>
                  <div className="max-h-[120px] space-y-1 overflow-y-auto rounded-md border bg-white p-2">
                    {tabColumns.map((col) => (
                      <div key={col.columnName} className="flex items-center gap-2">
                        <Checkbox
                          id={`tab-${tabIndex}-groupby-${col.columnName}`}
                          checked={(tab.editButton?.groupByColumns || []).includes(col.columnName)}
                          onCheckedChange={(checked) => {
                            const current = tab.editButton?.groupByColumns || [];
                            const newColumns = checked
                              ? [...current, col.columnName]
                              : current.filter((c) => c !== col.columnName);
                            updateTab({
                              editButton: { ...tab.editButton, enabled: true, groupByColumns: newColumns },
                            });
                          }}
                        />
                        <label htmlFor={`tab-${tabIndex}-groupby-${col.columnName}`} className="text-[10px]">
                          {col.columnLabel || col.columnName}
                        </label>
                      </div>
                    ))}
                  </div>
                </div>
              </div>
            </div>
          )}

          {/* ===== 11. 삭제 버튼 설정 ===== */}
          {tab.showDelete && (
            <div className="space-y-3 rounded-lg border border-destructive/20 bg-destructive/10 p-3">
              <Label className="text-xs font-semibold text-destructive">삭제 버튼 설정</Label>
              <div className="space-y-2">
                <div className="grid grid-cols-2 gap-2">
                  <div className="space-y-1">
                    <Label className="text-[10px]">버튼 라벨</Label>
                    <Input
                      value={tab.deleteButton?.buttonLabel || ""}
                      onChange={(e) => {
                        updateTab({
                          deleteButton: { ...tab.deleteButton, enabled: true, buttonLabel: e.target.value || undefined },
                        });
                      }}
                      placeholder="삭제"
                      className="h-7 text-xs"
                    />
                  </div>
                  <div className="space-y-1">
                    <Label className="text-[10px]">버튼 스타일</Label>
                    <Select
                      value={tab.deleteButton?.buttonVariant || "ghost"}
                      onValueChange={(value: "default" | "outline" | "ghost" | "destructive") => {
                        updateTab({
                          deleteButton: { ...tab.deleteButton, enabled: true, buttonVariant: value },
                        });
                      }}
                    >
                      <SelectTrigger className="h-7 text-xs">
                        <SelectValue />
                      </SelectTrigger>
                      <SelectContent>
                        <SelectItem value="ghost">Ghost (기본)</SelectItem>
                        <SelectItem value="outline">Outline</SelectItem>
                        <SelectItem value="default">Default</SelectItem>
                        <SelectItem value="destructive">Destructive (빨강)</SelectItem>
                      </SelectContent>
                    </Select>
                  </div>
                </div>
                <div className="space-y-1">
                  <Label className="text-[10px]">삭제 확인 메시지</Label>
                  <Input
                    value={tab.deleteButton?.confirmMessage || ""}
                    onChange={(e) => {
                      updateTab({
                        deleteButton: { ...tab.deleteButton, enabled: true, confirmMessage: e.target.value || undefined },
                      });
                    }}
                    placeholder="정말 삭제하시겠습니까?"
                    className="h-7 text-xs"
                  />
                </div>
              </div>
            </div>
          )}

          {/* ===== 탭 삭제 버튼 ===== */}
          <div className="flex justify-end border-t pt-2">
            <Button
              variant="ghost"
              size="sm"
              className="text-destructive hover:bg-destructive/10 hover:text-destructive"
              onClick={() => {
                const newTabs = config.rightPanel?.additionalTabs?.filter((_, i) => i !== tabIndex) || [];
                updateRightPanel({ additionalTabs: newTabs });
              }}
            >
              <Trash2 className="mr-1 h-3 w-3" />
              탭 삭제
            </Button>
          </div>
        </div>
      </AccordionContent>
    </AccordionItem>
  );
};

/**
 * SplitPanelLayout 설정 패널
 */
export const SplitPanelLayoutConfigPanel: React.FC<SplitPanelLayoutConfigPanelProps> = ({
  config,
  onChange,
  tables = [], // 기본값 빈 배열 (현재 화면 테이블만)
  screenTableName, // 현재 화면의 테이블명
  menuObjid, // 🆕 메뉴 OBJID
}) => {
  const [leftTableOpen, setLeftTableOpen] = useState(false); // 🆕 좌측 테이블 Combobox 상태
  const [rightTableOpen, setRightTableOpen] = useState(false);
  const [loadedTableColumns, setLoadedTableColumns] = useState<Record<string, ColumnInfo[]>>({});
  const [loadingColumns, setLoadingColumns] = useState<Record<string, boolean>>({});
  const [allTables, setAllTables] = useState<any[]>([]); // 테이블 목록
  // 엔티티 참조 테이블 컬럼
  type EntityRefTable = { tableName: string; columns: ColumnInfo[] };
  const [entityReferenceTables, setEntityReferenceTables] = useState<Record<string, EntityRefTable[]>>({});

  // 🆕 입력 필드용 로컬 상태
  const [isUserEditing, setIsUserEditing] = useState(false);
  const [localTitles, setLocalTitles] = useState({
    left: config.leftPanel?.title || "",
    right: config.rightPanel?.title || "",
  });

  // 관계 타입
  const relationshipType = config.rightPanel?.relation?.type || "detail";

  // config 변경 시 로컬 타이틀 동기화 (사용자가 입력 중이 아닐 때만)
  useEffect(() => {
    if (!isUserEditing) {
      setLocalTitles({
        left: config.leftPanel?.title || "",
        right: config.rightPanel?.title || "",
      });
    }
  }, [config.leftPanel?.title, config.rightPanel?.title, isUserEditing]);

  // 전체 테이블 목록 항상 로드 (좌측/우측 모두 사용)
  useEffect(() => {
      const loadAllTables = async () => {
        try {
          const { tableManagementApi } = await import("@/lib/api/tableManagement");
          const response = await tableManagementApi.getTableList();
          if (response.success && response.data) {
          console.log("✅ 분할패널: 전체 테이블 목록 로드", response.data.length, "개");
            setAllTables(response.data);
          }
        } catch (error) {
          console.error("❌ 전체 테이블 목록 로드 실패:", error);
        }
      };
      loadAllTables();
  }, []);

  // 초기 로드 시 좌측 패널 테이블이 없으면 화면 테이블로 설정
  useEffect(() => {
    if (screenTableName && !config.leftPanel?.tableName) {
        updateLeftPanel({ tableName: screenTableName });
    }
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [screenTableName]);

  // 테이블 컬럼 로드 함수
  const loadTableColumns = async (tableName: string) => {
    if (loadedTableColumns[tableName] || loadingColumns[tableName]) {
      return; // 이미 로드되었거나 로딩 중
    }

    setLoadingColumns((prev) => ({ ...prev, [tableName]: true }));

    try {
      const columnsResponse = await tableTypeApi.getColumns(tableName);
      console.log(`📊 테이블 ${tableName} 컬럼 응답:`, columnsResponse);

      const columns: ColumnInfo[] = (columnsResponse || []).map((col: any) => ({
        tableName: col.tableName || tableName,
        columnName: col.columnName || col.column_name,
        columnLabel: col.displayName || col.columnLabel || col.column_label || col.columnName || col.column_name,
        dataType: col.dataType || col.data_type || col.dbType,
        webType: col.webType || col.web_type,
        input_type: col.inputType || col.input_type,
        widgetType: col.widgetType || col.widget_type || col.webType || col.web_type,
        isNullable: col.isNullable || col.is_nullable,
        required: col.required !== undefined ? col.required : col.isNullable === "NO" || col.is_nullable === "NO",
        columnDefault: col.columnDefault || col.column_default,
        characterMaximumLength: col.characterMaximumLength || col.character_maximum_length,
        isPrimaryKey: col.isPrimaryKey || false, // PK 여부 추가
        codeCategory: col.codeCategory || col.code_category,
        codeValue: col.codeValue || col.code_value,
        referenceTable: col.referenceTable || col.reference_table, // 🆕 참조 테이블
        referenceColumn: col.referenceColumn || col.reference_column, // 🆕 참조 컬럼
        displayColumn: col.displayColumn || col.display_column, // 🆕 표시 컬럼
      }));

      console.log(`✅ 테이블 ${tableName} 컬럼 ${columns.length}개 로드됨:`, columns);
      setLoadedTableColumns((prev) => ({ ...prev, [tableName]: columns }));

      // 🆕 엔티티 타입 컬럼의 참조 테이블 컬럼도 로드
      await loadEntityReferenceColumns(tableName, columns);
    } catch (error) {
      console.error(`테이블 ${tableName} 컬럼 로드 실패:`, error);
      setLoadedTableColumns((prev) => ({ ...prev, [tableName]: [] }));
    } finally {
      setLoadingColumns((prev) => ({ ...prev, [tableName]: false }));
    }
  };

  // 🆕 엔티티 참조 테이블의 컬럼 로드
  const loadEntityReferenceColumns = async (sourceTableName: string, columns: ColumnInfo[]) => {
    const entityColumns = columns.filter(
      (col) => (col.input_type === "entity" || col.webType === "entity") && col.referenceTable,
    );

    if (entityColumns.length === 0) {
      return;
    }

    console.log(
      `🔗 테이블 ${sourceTableName}의 엔티티 참조 ${entityColumns.length}개 발견:`,
      entityColumns.map((c) => `${c.columnName} -> ${c.referenceTable}`),
    );

    const referenceTableData: Array<{ tableName: string; columns: ColumnInfo[] }> = [];

    // 각 참조 테이블의 컬럼 로드
    for (const entityCol of entityColumns) {
      const refTableName = entityCol.referenceTable!;

      // 이미 로드했으면 스킵
      if (referenceTableData.some((t) => t.tableName === refTableName)) continue;

      try {
        const refColumnsResponse = await tableTypeApi.getColumns(refTableName);
        const refColumns: ColumnInfo[] = (refColumnsResponse || []).map((col: any) => ({
          tableName: col.tableName || refTableName,
          columnName: col.columnName || col.column_name,
          columnLabel: col.displayName || col.columnLabel || col.column_label || col.columnName || col.column_name,
          dataType: col.dataType || col.data_type || col.dbType,
          input_type: col.inputType || col.input_type,
        }));

        referenceTableData.push({ tableName: refTableName, columns: refColumns });
        console.log(`  ✅ 참조 테이블 ${refTableName} 컬럼 ${refColumns.length}개 로드됨`);
      } catch (error) {
        console.error(`  ❌ 참조 테이블 ${refTableName} 컬럼 로드 실패:`, error);
      }
    }

    // 참조 테이블 정보 저장
    setEntityReferenceTables((prev) => ({
      ...prev,
      [sourceTableName]: referenceTableData,
    }));

    console.log(`✅ [엔티티 참조] ${sourceTableName}의 참조 테이블 저장 완료:`, {
      sourceTableName,
      referenceTableCount: referenceTableData.length,
      referenceTables: referenceTableData.map((t) => `${t.tableName}(${t.columns.length}개)`),
    });
  };

  // 좌측/우측 테이블이 변경되면 해당 테이블의 컬럼 로드
  useEffect(() => {
    if (config.leftPanel?.tableName) {
      loadTableColumns(config.leftPanel.tableName);
    }
  }, [config.leftPanel?.tableName]);

  useEffect(() => {
    if (config.rightPanel?.tableName) {
      loadTableColumns(config.rightPanel.tableName);
    }
  }, [config.rightPanel?.tableName]);

  // 🆕 좌측/우측 테이블이 모두 선택되면 엔티티 관계 자동 감지
  const [autoDetectedRelations, setAutoDetectedRelations] = useState<
    Array<{
      leftColumn: string;
      rightColumn: string;
      direction: "left_to_right" | "right_to_left";
      inputType: string;
      displayColumn?: string;
    }>
  >([]);
  const [isDetectingRelations, setIsDetectingRelations] = useState(false);

  useEffect(() => {
    const detectRelations = async () => {
      const leftTable = config.leftPanel?.tableName || screenTableName;
      const rightTable = config.rightPanel?.tableName;

      // 조인 모드이고 양쪽 테이블이 모두 있을 때만 감지
      if (relationshipType !== "join" || !leftTable || !rightTable) {
        setAutoDetectedRelations([]);
        return;
      }

      setIsDetectingRelations(true);
      try {
        const { tableManagementApi } = await import("@/lib/api/tableManagement");
        const response = await tableManagementApi.getTableEntityRelations(leftTable, rightTable);

        if (response.success && response.data?.relations) {
          console.log("🔍 엔티티 관계 자동 감지:", response.data.relations);
          setAutoDetectedRelations(response.data.relations);

          // 감지된 관계가 있고, 현재 설정된 키가 없으면 자동으로 첫 번째 관계를 설정
          const currentKeys = config.rightPanel?.relation?.keys || [];
          if (response.data.relations.length > 0 && currentKeys.length === 0) {
            // 첫 번째 관계만 자동 설정 (사용자가 추가로 설정 가능)
            const firstRel = response.data.relations[0];
            console.log("✅ 첫 번째 엔티티 관계 자동 설정:", firstRel);
            updateRightPanel({
              relation: {
                ...config.rightPanel?.relation,
                type: "join",
                useMultipleKeys: true,
                keys: [
                  {
                    leftColumn: firstRel.leftColumn,
                    rightColumn: firstRel.rightColumn,
                  },
                ],
              },
            });
          }
        }
      } catch (error) {
        console.error("❌ 엔티티 관계 감지 실패:", error);
        setAutoDetectedRelations([]);
      } finally {
        setIsDetectingRelations(false);
      }
    };

    detectRelations();
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [config.leftPanel?.tableName, config.rightPanel?.tableName, screenTableName, relationshipType]);

  console.log("🔧 SplitPanelLayoutConfigPanel 렌더링");
  console.log("  - config:", config);
  console.log("  - tables:", tables);
  console.log("  - tablesCount:", tables.length);
  console.log("  - screenTableName:", screenTableName);
  console.log("  - leftTable:", config.leftPanel?.tableName);
  console.log("  - rightTable:", config.rightPanel?.tableName);

  const updateConfig = (updates: Partial<SplitPanelLayoutConfig>) => {
    const newConfig = { ...config, ...updates };
    console.log("🔄 Config 업데이트:", newConfig);
    onChange(newConfig);
  };

  const updateLeftPanel = (updates: Partial<SplitPanelLayoutConfig["leftPanel"]>) => {
    const newConfig = {
      ...config,
      leftPanel: { ...config.leftPanel, ...updates },
    };
    console.log("🔄 Left Panel 업데이트:", newConfig);
    onChange(newConfig);
  };

  const updateRightPanel = (updates: Partial<SplitPanelLayoutConfig["rightPanel"]>) => {
    const newConfig = {
      ...config,
      rightPanel: { ...config.rightPanel, ...updates },
    };
    console.log("🔄 Right Panel 업데이트:", newConfig);
    onChange(newConfig);
  };

  // 좌측 테이블명
  const leftTableName = config.leftPanel?.tableName || screenTableName || "";

  // 좌측 테이블 컬럼 (로드된 컬럼 사용)
  const leftTableColumns = useMemo(() => {
    return leftTableName ? loadedTableColumns[leftTableName] || [] : [];
  }, [loadedTableColumns, leftTableName]);

  // 우측 테이블명 (상세 모드에서는 좌측과 동일)
  const rightTableName = useMemo(() => {
    if (relationshipType === "detail") {
      return leftTableName; // 상세 모드에서는 좌측과 동일
    }
    return config.rightPanel?.tableName || "";
  }, [relationshipType, leftTableName, config.rightPanel?.tableName]);

  // 우측 테이블 컬럼 (로드된 컬럼 사용)
  const rightTableColumns = useMemo(() => {
    return rightTableName ? loadedTableColumns[rightTableName] || [] : [];
  }, [loadedTableColumns, rightTableName]);

  // 테이블 데이터 로딩 상태 확인
  if (!tables || tables.length === 0) {
    return (
      <div className="rounded-lg border p-4">
        <p className="text-sm font-medium">테이블 데이터를 불러올 수 없습니다.</p>
        <p className="mt-1 text-xs text-muted-foreground">
          화면에 테이블이 연결되지 않았거나 테이블 목록이 로드되지 않았습니다.
        </p>
      </div>
    );
  }

  // 조인 모드에서 우측 테이블 선택 시 사용할 테이블 목록
  const availableRightTables = relationshipType === "join" ? allTables : tables;

  console.log("📊 분할패널 테이블 목록 상태:");
  console.log("  - relationshipType:", relationshipType);
  console.log("  - allTables:", allTables.length, "개");
  console.log("  - availableRightTables:", availableRightTables.length, "개");

  return (
    <div className="space-y-4">
      {/* 관계 타입 선택 */}
      <div className="space-y-3">
        <h3 className="text-sm font-semibold">패널 관계 타입</h3>
        <Select
          value={relationshipType}
          onValueChange={(value: "join" | "detail") => {
            // 상세 모드로 변경 시 우측 테이블을 현재 화면 테이블로 설정
            if (value === "detail" && screenTableName) {
              updateRightPanel({
                relation: { ...config.rightPanel?.relation, type: value },
                tableName: screenTableName,
              });
            } else {
              updateRightPanel({
                relation: { ...config.rightPanel?.relation, type: value },
              });
            }
          }}
        >
          <SelectTrigger className="bg-white">
            <SelectValue placeholder="관계 타입 선택" />
          </SelectTrigger>
          <SelectContent>
            <SelectItem value="detail">
              <div className="flex flex-col">
                <span className="font-medium">상세 (DETAIL)</span>
                <span className="text-xs text-muted-foreground">좌측 목록 → 우측 상세 정보 (동일 테이블)</span>
              </div>
            </SelectItem>
            <SelectItem value="join">
              <div className="flex flex-col">
                <span className="font-medium">조건 필터 (FILTERED)</span>
                <span className="text-xs text-muted-foreground">좌측 선택 항목 기준으로 우측 테이블 필터링</span>
              </div>
            </SelectItem>
          </SelectContent>
        </Select>
      </div>

      {/* 좌측 패널 설정 */}
      <div className="mt-4 space-y-4 border-t pt-4">
        <h3 className="text-sm font-semibold">좌측 패널 설정 (마스터)</h3>

        {/* 🆕 좌측 패널 테이블 선택 */}
        <div className="space-y-2">
          <Label className="text-xs font-medium">표시 테이블</Label>
          <Popover open={leftTableOpen} onOpenChange={setLeftTableOpen}>
            <PopoverTrigger asChild>
              <Button
                variant="outline"
                role="combobox"
                aria-expanded={leftTableOpen}
                className="h-9 w-full justify-between text-xs"
              >
                <div className="flex items-center gap-2 truncate">
                  <Database className="h-3.5 w-3.5 shrink-0 text-muted-foreground" />
                  <span className="truncate">
                    {config.leftPanel?.tableName
                      ? allTables.find((t) => (t.tableName || t.table_name) === config.leftPanel?.tableName)?.tableLabel ||
                        allTables.find((t) => (t.tableName || t.table_name) === config.leftPanel?.tableName)?.displayName ||
                        config.leftPanel?.tableName
                      : "테이블을 선택하세요"}
                  </span>
                </div>
                <ChevronsUpDown className="ml-2 h-4 w-4 shrink-0 opacity-50" />
              </Button>
            </PopoverTrigger>
            <PopoverContent className="w-[300px] p-0" align="start">
              <Command>
                <CommandInput placeholder="테이블 검색..." className="text-xs" />
                <CommandList>
                  <CommandEmpty className="py-3 text-center text-xs text-muted-foreground">
                    테이블을 찾을 수 없습니다.
                  </CommandEmpty>
                  
                  {/* 화면 기본 테이블 */}
                  {screenTableName && (
                    <CommandGroup heading="기본 (화면 테이블)">
                      <CommandItem
                        value={screenTableName}
                        onSelect={() => {
                          updateLeftPanel({ tableName: screenTableName, columns: [] });
                          setLeftTableOpen(false);
                        }}
                        className="text-xs"
                      >
                        <Check
                          className={cn(
                            "mr-2 h-4 w-4",
                            config.leftPanel?.tableName === screenTableName ? "opacity-100" : "opacity-0"
                          )}
                        />
                        <Database className="mr-2 h-3.5 w-3.5 text-primary" />
                        {allTables.find((t) => (t.tableName || t.table_name) === screenTableName)?.tableLabel ||
                          allTables.find((t) => (t.tableName || t.table_name) === screenTableName)?.displayName ||
                          screenTableName}
                      </CommandItem>
                    </CommandGroup>
                  )}

                  {/* 전체 테이블 */}
                  <CommandGroup heading="전체 테이블">
                    {allTables
                      .filter((t) => (t.tableName || t.table_name) !== screenTableName)
                      .map((table) => {
                        const tableName = table.tableName || table.table_name;
                        const displayName = table.tableLabel || table.displayName || tableName;
                        return (
                          <CommandItem
                            key={tableName}
                            value={tableName}
                            onSelect={() => {
                              updateLeftPanel({ tableName, columns: [] });
                              setLeftTableOpen(false);
                            }}
                            className="text-xs"
                          >
                            <Check
                              className={cn(
                                "mr-2 h-4 w-4",
                                config.leftPanel?.tableName === tableName ? "opacity-100" : "opacity-0"
                              )}
                            />
                            <Database className="mr-2 h-3.5 w-3.5 text-muted-foreground" />
                            <span className="truncate">{displayName}</span>
                          </CommandItem>
                        );
                      })}
                  </CommandGroup>
                </CommandList>
              </Command>
            </PopoverContent>
          </Popover>
          {config.leftPanel?.tableName && config.leftPanel?.tableName !== screenTableName && (
            <p className="text-[10px] text-muted-foreground">
              화면 기본 테이블이 아닌 다른 테이블의 데이터를 표시합니다.
            </p>
          )}
        </div>

        <div className="space-y-2">
          <Label>패널 제목</Label>
          <Input
            value={localTitles.left}
            onChange={(e) => {
              setIsUserEditing(true);
              setLocalTitles((prev) => ({ ...prev, left: e.target.value }));
            }}
            onBlur={() => {
              setIsUserEditing(false);
              updateLeftPanel({ title: localTitles.left });
            }}
            placeholder="좌측 패널 제목"
          />
        </div>

        {/* 헤더 높이 설정 - 숨김 처리 */}
        {/* <div className="space-y-2">
          <Label>헤더 높이 (px)</Label>
          <Input
            type="number"
            value={config.leftPanel?.panelHeaderHeight || 48}
            onChange={(e) => updateLeftPanel({ panelHeaderHeight: parseInt(e.target.value) || 48 })}
            placeholder="48"
            min={32}
            max={120}
          />
          <p className="text-muted-foreground text-xs">패널 상단 헤더의 높이 (기본: 48px)</p>
        </div> */}

        <div className="space-y-2">
          <Label>표시 모드</Label>
          <Select
            value={config.leftPanel?.displayMode || "list"}
            onValueChange={(value: "list" | "table") => updateLeftPanel({ displayMode: value })}
          >
            <SelectTrigger className="bg-white">
              <SelectValue placeholder="표시 모드 선택" />
            </SelectTrigger>
            <SelectContent>
              <SelectItem value="list">
                <div className="flex flex-col">
                  <span className="font-medium">목록 (LIST)</span>
                  <span className="text-xs text-muted-foreground">클릭 가능한 항목 목록 (기본)</span>
                </div>
              </SelectItem>
              <SelectItem value="table">
                <div className="flex flex-col">
                  <span className="font-medium">테이블 (TABLE)</span>
                  <span className="text-xs text-muted-foreground">컬럼 헤더가 있는 테이블 형식</span>
                </div>
              </SelectItem>
            </SelectContent>
          </Select>
        </div>

        {/* 좌측 패널 표시 컬럼 설정 - 체크박스 방식 */}
        <div className="space-y-2">
          <Label className="text-xs font-medium">표시할 컬럼 선택</Label>

          {/* 컬럼 체크박스 목록 */}
          <div className="max-h-60 space-y-0.5 overflow-y-auto rounded-md border p-2">
            {leftTableColumns.length === 0 ? (
              <p className="text-muted-foreground py-2 text-center text-xs">컬럼 로딩 중...</p>
            ) : (
              leftTableColumns
                .filter((column) => !["company_code", "company_name"].includes(column.columnName))
                .map((column) => {
                  const isSelected = (config.leftPanel?.columns || []).some((c) => c.name === column.columnName);
                  return (
                    <div
                      key={column.columnName}
                      className={cn(
                        "hover:bg-muted/50 flex cursor-pointer items-center gap-2 rounded px-2 py-1.5",
                        isSelected && "bg-primary/10",
                      )}
                      onClick={() => {
                        const currentColumns = config.leftPanel?.columns || [];
                        if (isSelected) {
                          // 제거
                          const newColumns = currentColumns.filter((c) => c.name !== column.columnName);
                          updateLeftPanel({ columns: newColumns });
                        } else {
                          // 추가
                          const newColumn = {
                            name: column.columnName,
                            label: column.columnLabel || column.columnName,
                            width: 100,
                          };
                          updateLeftPanel({ columns: [...currentColumns, newColumn] });
                        }
                      }}
                    >
                      <Checkbox
                        checked={isSelected}
                        onCheckedChange={() => {
                          const currentColumns = config.leftPanel?.columns || [];
                          if (isSelected) {
                            const newColumns = currentColumns.filter((c) => c.name !== column.columnName);
                            updateLeftPanel({ columns: newColumns });
                          } else {
                            const newColumn = {
                              name: column.columnName,
                              label: column.columnLabel || column.columnName,
                              width: 100,
                            };
                            updateLeftPanel({ columns: [...currentColumns, newColumn] });
                          }
                        }}
                        className="pointer-events-none h-3.5 w-3.5 shrink-0"
                      />
                      <Database className="text-muted-foreground h-3 w-3 shrink-0" />
                      <span className="truncate text-xs">{column.columnLabel || column.columnName}</span>
                    </div>
                  );
                })
            )}
          </div>

          {/* 선택된 컬럼 상세 설정 */}
          {(config.leftPanel?.columns || []).length > 0 && (
            <div className="space-y-2">
              <Label className="text-xs font-medium">선택된 컬럼 ({(config.leftPanel?.columns || []).length}개)</Label>
              <div className="max-h-48 space-y-1.5 overflow-y-auto">
                {(config.leftPanel?.columns || []).map((col, index) => {
                  const column = leftTableColumns.find((c) => c.columnName === col.name);
                  const isTableMode = config.leftPanel?.displayMode === "table";

                  // 숫자 타입 판별
                  const dbNumericTypes = [
                    "numeric",
                    "decimal",
                    "integer",
                    "bigint",
                    "double precision",
                    "real",
                    "smallint",
                    "int4",
                    "int8",
                    "float4",
                    "float8",
                  ];
                  const inputNumericTypes = ["number", "decimal", "currency", "integer"];
                  const isNumeric =
                    column &&
                    (dbNumericTypes.includes(column.dataType?.toLowerCase() || "") ||
                      inputNumericTypes.includes(column.input_type?.toLowerCase() || "") ||
                      inputNumericTypes.includes(column.webType?.toLowerCase() || ""));

                  return (
                    <div key={col.name} className="bg-muted/30 flex items-center gap-2 rounded-md border p-2">
                      <GripVertical className="text-muted-foreground h-3 w-3 shrink-0 cursor-grab" />
                      <Database className="text-muted-foreground h-3 w-3 shrink-0" />
                      <Input
                        value={col.label}
                        onChange={(e) => {
                          const newColumns = [...(config.leftPanel?.columns || [])];
                          newColumns[index] = { ...newColumns[index], label: e.target.value };
                          updateLeftPanel({ columns: newColumns });
                        }}
                        placeholder="제목"
                        className="h-6 flex-1 text-xs"
                      />
                      <Input
                        value={col.width || ""}
                        onChange={(e) => {
                          const newColumns = [...(config.leftPanel?.columns || [])];
                          newColumns[index] = { ...newColumns[index], width: parseInt(e.target.value) || 100 };
                          updateLeftPanel({ columns: newColumns });
                        }}
                        placeholder="너비"
                        className="h-6 w-14 text-xs"
                      />
                      {/* 숫자 타입: 천단위 구분자 체크박스 */}
                      {isNumeric && (
                        <label
                          className="flex shrink-0 cursor-pointer items-center gap-1 text-[10px]"
                          title="천 단위 구분자 (,)"
                        >
                          <input
                            type="checkbox"
                            checked={col.format?.thousandSeparator ?? false}
                            onChange={(e) => {
                              const newColumns = [...(config.leftPanel?.columns || [])];
                              newColumns[index] = {
                                ...newColumns[index],
                                format: {
                                  ...newColumns[index].format,
                                  type: "number",
                                  thousandSeparator: e.target.checked,
                                },
                              };
                              updateLeftPanel({ columns: newColumns });
                            }}
                            className="h-3 w-3"
                          />
                          ,
                        </label>
                      )}
                      <Button
                        type="button"
                        variant="ghost"
                        size="sm"
                        onClick={() => {
                          const newColumns = (config.leftPanel?.columns || []).filter((_, i) => i !== index);
                          updateLeftPanel({ columns: newColumns });
                        }}
                        className="text-destructive h-6 w-6 shrink-0 p-0"
                      >
                        <X className="h-3 w-3" />
                      </Button>
                    </div>
                  );
                })}
              </div>
            </div>
          )}
        </div>
      </div>

      {/* 좌측 패널 데이터 필터링 */}
      <div className="mt-4 space-y-4 border-t pt-4">
        <h3 className="text-sm font-semibold">좌측 패널 데이터 필터링</h3>
        <p className="text-muted-foreground text-xs">특정 컬럼 값으로 좌측 패널 데이터를 필터링합니다</p>
        <DataFilterConfigPanel
          tableName={config.leftPanel?.tableName || screenTableName}
          columns={leftTableColumns.map(
            (col) =>
              ({
                columnName: col.columnName,
                columnLabel: col.columnLabel || col.columnName,
                dataType: col.dataType || "text",
                input_type: (col as any).input_type,
              }) as any,
          )}
          config={config.leftPanel?.dataFilter}
          onConfigChange={(dataFilter) => updateLeftPanel({ dataFilter })}
          menuObjid={menuObjid} // 🆕 메뉴 OBJID 전달
        />
      </div>

      {/* 우측 패널 설정 */}
      <div className="mt-4 space-y-4 border-t pt-4">
        <h3 className="text-sm font-semibold">우측 패널 설정 ({relationshipType === "detail" ? "상세" : "조건 필터"})</h3>

        <div className="space-y-2">
          <Label>패널 제목</Label>
          <Input
            value={localTitles.right}
            onChange={(e) => {
              setIsUserEditing(true);
              setLocalTitles((prev) => ({ ...prev, right: e.target.value }));
            }}
            onBlur={() => {
              setIsUserEditing(false);
              updateRightPanel({ title: localTitles.right });
            }}
            placeholder="우측 패널 제목"
          />
        </div>

        {/* 헤더 높이 설정 - 숨김 처리 */}
        {/* <div className="space-y-2">
          <Label>헤더 높이 (px)</Label>
          <Input
            type="number"
            value={config.rightPanel?.panelHeaderHeight || 48}
            onChange={(e) => updateRightPanel({ panelHeaderHeight: parseInt(e.target.value) || 48 })}
            placeholder="48"
            min={32}
            max={120}
          />
          <p className="text-muted-foreground text-xs">패널 상단 헤더의 높이 (기본: 48px)</p>
        </div> */}

        {/* 관계 타입에 따라 테이블 선택 UI 변경 */}
        {relationshipType === "detail" ? (
          // 상세 모드: 좌측과 동일한 테이블 (자동 설정)
          <div className="space-y-2">
            <Label>테이블 (좌측과 동일)</Label>
            <div className="rounded-lg border border-border bg-muted p-3">
              <p className="text-sm font-medium text-foreground">
                {config.leftPanel?.tableName || screenTableName || "테이블이 지정되지 않음"}
              </p>
              <p className="mt-1 text-xs text-muted-foreground">상세 모드에서는 좌측과 동일한 테이블을 사용합니다</p>
            </div>
          </div>
        ) : (
          // 조건 필터 모드: 전체 테이블에서 선택 가능
          <div className="space-y-2">
            <Label>필터링 대상 테이블</Label>
            <Popover open={rightTableOpen} onOpenChange={setRightTableOpen}>
              <PopoverTrigger asChild>
                <Button
                  variant="outline"
                  role="combobox"
                  aria-expanded={rightTableOpen}
                  className="w-full justify-between"
                >
                  {config.rightPanel?.tableName || "테이블을 선택하세요"}
                  <ChevronsUpDown className="ml-2 h-4 w-4 shrink-0 opacity-50" />
                </Button>
              </PopoverTrigger>
              <PopoverContent className="w-full p-0">
                <Command>
                  <CommandInput placeholder="테이블 검색..." />
                  <CommandEmpty>테이블을 찾을 수 없습니다.</CommandEmpty>
                  <CommandGroup className="max-h-[200px] overflow-auto">
                    {availableRightTables.map((table) => (
                      <CommandItem
                        key={table.tableName}
                        value={`${table.displayName || ""} ${table.tableName}`}
                        onSelect={() => {
                          updateRightPanel({ tableName: table.tableName });
                          setRightTableOpen(false);
                        }}
                      >
                        <Check
                          className={cn(
                            "mr-2 h-4 w-4",
                            config.rightPanel?.tableName === table.tableName ? "opacity-100" : "opacity-0",
                          )}
                        />
                        {table.displayName || table.tableName}
                        {table.displayName && <span className="ml-2 text-xs text-muted-foreground">({table.tableName})</span>}
                      </CommandItem>
                    ))}
                  </CommandGroup>
                </Command>
              </PopoverContent>
            </Popover>
          </div>
        )}

        <div className="space-y-2">
          <Label>표시 모드</Label>
          <Select
            value={config.rightPanel?.displayMode || "list"}
            onValueChange={(value: "list" | "table") => updateRightPanel({ displayMode: value })}
          >
            <SelectTrigger className="bg-white">
              <SelectValue placeholder="표시 모드 선택" />
            </SelectTrigger>
            <SelectContent>
              <SelectItem value="list">
                <div className="flex flex-col">
                  <span className="font-medium">목록 (LIST)</span>
                  <span className="text-xs text-muted-foreground">클릭 가능한 항목 목록 (기본)</span>
                </div>
              </SelectItem>
              <SelectItem value="table">
                <div className="flex flex-col">
                  <span className="font-medium">테이블 (TABLE)</span>
                  <span className="text-xs text-muted-foreground">컬럼 헤더가 있는 테이블 형식</span>
                </div>
              </SelectItem>
            </SelectContent>
          </Select>
        </div>

        {/* 요약 표시 설정 (LIST 모드에서만) */}
        {(config.rightPanel?.displayMode || "list") === "list" && (
          <div className="space-y-3 rounded-lg border border-border bg-muted p-3">
            <Label className="text-sm font-semibold">요약 표시 설정</Label>

            <div className="space-y-2">
              <Label className="text-xs">표시할 컬럼 개수</Label>
              <Input
                type="number"
                min="1"
                max="10"
                value={config.rightPanel?.summaryColumnCount ?? 3}
                onChange={(e) => {
                  const value = parseInt(e.target.value) || 3;
                  updateRightPanel({ summaryColumnCount: value });
                }}
                className="bg-white"
              />
              <p className="text-xs text-muted-foreground">접기 전에 표시할 컬럼 개수 (기본: 3개)</p>
            </div>

            <div className="flex items-center justify-between space-x-2">
              <div className="flex-1">
                <Label className="text-xs">라벨 표시</Label>
                <p className="text-xs text-muted-foreground">컬럼명 표시 여부</p>
              </div>
              <Checkbox
                checked={config.rightPanel?.summaryShowLabel ?? true}
                onCheckedChange={(checked) => {
                  updateRightPanel({ summaryShowLabel: checked as boolean });
                }}
              />
            </div>
          </div>
        )}

        {/* 엔티티 설정 선택 - 조건 필터 모드에서만 표시 */}
        {relationshipType !== "detail" && (
          <div className="space-y-2">
            <Label className="text-xs font-medium">필터 연결 컬럼</Label>
            <p className="text-muted-foreground text-[10px]">
              우측 테이블에서 좌측 테이블을 참조하는 컬럼을 선택하세요
            </p>
            <Select
              value={config.rightPanel?.relation?.foreignKey || ""}
              onValueChange={(value) => {
                // 선택된 엔티티 컬럼 정보 찾기
                const entityColumn = rightTableColumns.find((col) => col.columnName === value);
                if (entityColumn) {
                  updateRightPanel({
                    relation: {
                      ...config.rightPanel?.relation,
                      foreignKey: value,
                      // 참조 테이블과 컬럼은 엔티티 설정에서 자동으로 가져옴
                    },
                  });
                }
              }}
            >
              <SelectTrigger className="h-8 text-xs">
                <SelectValue placeholder="엔티티 컬럼 선택" />
              </SelectTrigger>
              <SelectContent>
                {rightTableColumns
                  .filter((col) => {
                    // 엔티티 타입 컬럼만 표시 (input_type이 entity인 경우)
                    const inputType = col.input_type?.toLowerCase() || col.webType?.toLowerCase() || "";
                    return inputType === "entity" || inputType === "code";
                  })
                  .map((column) => (
                    <SelectItem key={column.columnName} value={column.columnName}>
                      <div className="flex items-center gap-2">
                        <span>{column.columnLabel || column.columnName}</span>
                        <span className="text-muted-foreground text-[10px]">({column.columnName})</span>
                      </div>
                    </SelectItem>
                  ))}
                {rightTableColumns.filter((col) => {
                  const inputType = col.input_type?.toLowerCase() || col.webType?.toLowerCase() || "";
                  return inputType === "entity" || inputType === "code";
                }).length === 0 && (
                  <div className="text-muted-foreground px-2 py-4 text-center text-xs">
                    엔티티 타입 컬럼이 없습니다.
                    <br />
                    테이블 타입관리에서 엔티티 설정을 추가하세요.
                  </div>
                )}
              </SelectContent>
            </Select>
            {config.rightPanel?.relation?.foreignKey && (
              <p className="text-muted-foreground text-[10px]">선택된 컬럼의 엔티티 설정이 자동으로 적용됩니다.</p>
            )}
          </div>
        )}

        {/* 우측 패널 표시 컬럼 설정 - 체크박스 방식 */}
        <div className="space-y-2">
          <Label className="text-xs font-medium">표시할 컬럼 선택</Label>

          {/* 컬럼 체크박스 목록 */}
          <div className="max-h-60 space-y-0.5 overflow-y-auto rounded-md border p-2">
            {rightTableColumns.length === 0 ? (
              <p className="text-muted-foreground py-2 text-center text-xs">테이블을 선택해주세요</p>
            ) : (
              rightTableColumns
                .filter((column) => !["company_code", "company_name"].includes(column.columnName))
                .map((column) => {
                  const isSelected = (config.rightPanel?.columns || []).some((c) => c.name === column.columnName);
                  return (
                    <div
                      key={column.columnName}
                      className={cn(
                        "hover:bg-muted/50 flex cursor-pointer items-center gap-2 rounded px-2 py-1.5",
                        isSelected && "bg-primary/10",
                      )}
                      onClick={() => {
                        const currentColumns = config.rightPanel?.columns || [];
                        if (isSelected) {
                          const newColumns = currentColumns.filter((c) => c.name !== column.columnName);
                          updateRightPanel({ columns: newColumns });
                        } else {
                          const newColumn = {
                            name: column.columnName,
                            label: column.columnLabel || column.columnName,
                            width: 100,
                          };
                          updateRightPanel({ columns: [...currentColumns, newColumn] });
                        }
                      }}
                    >
                      <Checkbox
                        checked={isSelected}
                        onCheckedChange={() => {
                          const currentColumns = config.rightPanel?.columns || [];
                          if (isSelected) {
                            const newColumns = currentColumns.filter((c) => c.name !== column.columnName);
                            updateRightPanel({ columns: newColumns });
                          } else {
                            const newColumn = {
                              name: column.columnName,
                              label: column.columnLabel || column.columnName,
                              width: 100,
                            };
                            updateRightPanel({ columns: [...currentColumns, newColumn] });
                          }
                        }}
                        className="pointer-events-none h-3.5 w-3.5 shrink-0"
                      />
                      <Database className="text-muted-foreground h-3 w-3 shrink-0" />
                      <span className="truncate text-xs">{column.columnLabel || column.columnName}</span>
                    </div>
                  );
                })
            )}
          </div>

          {/* 선택된 컬럼 상세 설정 */}
          {(config.rightPanel?.columns || []).length > 0 && (
            <div className="space-y-2">
              <Label className="text-xs font-medium">선택된 컬럼 ({(config.rightPanel?.columns || []).length}개)</Label>
              <div className="max-h-48 space-y-1.5 overflow-y-auto">
                {(config.rightPanel?.columns || []).map((col, index) => {
                  const column = rightTableColumns.find((c) => c.columnName === col.name);

                  // 숫자 타입 판별
                  const dbNumericTypes = [
                    "numeric",
                    "decimal",
                    "integer",
                    "bigint",
                    "double precision",
                    "real",
                    "smallint",
                    "int4",
                    "int8",
                    "float4",
                    "float8",
                  ];
                  const inputNumericTypes = ["number", "decimal", "currency", "integer"];
                  const isNumeric =
                    column &&
                    (dbNumericTypes.includes(column.dataType?.toLowerCase() || "") ||
                      inputNumericTypes.includes(column.input_type?.toLowerCase() || "") ||
                      inputNumericTypes.includes(column.webType?.toLowerCase() || ""));

                  return (
                    <div key={col.name} className="bg-muted/30 flex items-center gap-2 rounded-md border p-2">
                      <GripVertical className="text-muted-foreground h-3 w-3 shrink-0 cursor-grab" />
                      <Database className="text-muted-foreground h-3 w-3 shrink-0" />
                      <Input
                        value={col.label}
                        onChange={(e) => {
                          const newColumns = [...(config.rightPanel?.columns || [])];
                          newColumns[index] = { ...newColumns[index], label: e.target.value };
                          updateRightPanel({ columns: newColumns });
                        }}
                        placeholder="제목"
                        className="h-6 flex-1 text-xs"
                      />
                      <Input
                        value={col.width || ""}
                        onChange={(e) => {
                          const newColumns = [...(config.rightPanel?.columns || [])];
                          newColumns[index] = { ...newColumns[index], width: parseInt(e.target.value) || 100 };
                          updateRightPanel({ columns: newColumns });
                        }}
                        placeholder="너비"
                        className="h-6 w-14 text-xs"
                      />
                      {/* 숫자 타입: 천단위 구분자 체크박스 */}
                      {isNumeric && (
                        <label
                          className="flex shrink-0 cursor-pointer items-center gap-1 text-[10px]"
                          title="천 단위 구분자 (,)"
                        >
                          <input
                            type="checkbox"
                            checked={col.format?.thousandSeparator ?? false}
                            onChange={(e) => {
                              const newColumns = [...(config.rightPanel?.columns || [])];
                              newColumns[index] = {
                                ...newColumns[index],
                                format: {
                                  ...newColumns[index].format,
                                  type: "number",
                                  thousandSeparator: e.target.checked,
                                },
                              };
                              updateRightPanel({ columns: newColumns });
                            }}
                            className="h-3 w-3"
                          />
                          ,
                        </label>
                      )}
                      <Button
                        type="button"
                        variant="ghost"
                        size="sm"
                        onClick={() => {
                          const newColumns = (config.rightPanel?.columns || []).filter((_, i) => i !== index);
                          updateRightPanel({ columns: newColumns });
                        }}
                        className="text-destructive h-6 w-6 shrink-0 p-0"
                      >
                        <X className="h-3 w-3" />
                      </Button>
                    </div>
                  );
                })}
              </div>
            </div>
          )}
        </div>
      </div>

      {/* 우측 패널 데이터 필터링 */}
      <div className="mt-4 space-y-4 border-t pt-4">
        <h3 className="text-sm font-semibold">우측 패널 데이터 필터링</h3>
        <p className="text-muted-foreground text-xs">특정 컬럼 값으로 우측 패널 데이터를 필터링합니다</p>
        <DataFilterConfigPanel
          tableName={config.rightPanel?.tableName}
          columns={rightTableColumns.map(
            (col) =>
              ({
                columnName: col.columnName,
                columnLabel: col.columnLabel || col.columnName,
                dataType: col.dataType || "text",
                input_type: (col as any).input_type,
              }) as any,
          )}
          config={config.rightPanel?.dataFilter}
          onConfigChange={(dataFilter) => updateRightPanel({ dataFilter })}
          menuObjid={menuObjid} // 🆕 메뉴 OBJID 전달
        />
      </div>

      {/* 우측 패널 중복 제거 */}
      <div className="mt-4 space-y-4 border-t pt-4">
        <div className="flex items-center justify-between">
          <div>
            <h3 className="text-sm font-semibold">중복 데이터 제거</h3>
            <p className="text-muted-foreground text-xs">같은 값을 가진 데이터를 하나로 통합하여 표시</p>
          </div>
          <Switch
            checked={config.rightPanel?.deduplication?.enabled ?? false}
            onCheckedChange={(checked) => {
              if (checked) {
                updateRightPanel({
                  deduplication: {
                    enabled: true,
                    groupByColumn: "",
                    keepStrategy: "latest",
                    sortColumn: "start_date",
                  },
                });
              } else {
                updateRightPanel({ deduplication: undefined });
              }
            }}
          />
        </div>

        {config.rightPanel?.deduplication?.enabled && (
          <div className="space-y-3 border-l-2 pl-4">
            {/* 중복 제거 기준 컬럼 */}
            <div>
              <Label className="text-xs">중복 제거 기준 컬럼</Label>
              <Select
                value={config.rightPanel?.deduplication?.groupByColumn || ""}
                onValueChange={(value) =>
                  updateRightPanel({
                    deduplication: { ...config.rightPanel?.deduplication!, groupByColumn: value },
                  })
                }
              >
                <SelectTrigger className="h-8 text-xs">
                  <SelectValue placeholder="기준 컬럼 선택" />
                </SelectTrigger>
                <SelectContent>
                  {rightTableColumns.map((col) => (
                    <SelectItem key={col.columnName} value={col.columnName}>
                      {col.columnLabel || col.columnName}
                    </SelectItem>
                  ))}
                </SelectContent>
              </Select>
              <p className="text-muted-foreground mt-1 text-[10px]">
                이 컬럼의 값이 같은 데이터들 중 하나만 표시합니다
              </p>
            </div>

            {/* 유지 전략 */}
            <div>
              <Label className="text-xs">유지 전략</Label>
              <Select
                value={config.rightPanel?.deduplication?.keepStrategy || "latest"}
                onValueChange={(value: any) =>
                  updateRightPanel({
                    deduplication: { ...config.rightPanel?.deduplication!, keepStrategy: value },
                  })
                }
              >
                <SelectTrigger className="h-8 text-xs">
                  <SelectValue />
                </SelectTrigger>
                <SelectContent>
                  <SelectItem value="latest">최신 데이터 (가장 최근)</SelectItem>
                  <SelectItem value="earliest">최초 데이터 (가장 오래된)</SelectItem>
                  <SelectItem value="current_date">현재 유효한 데이터 (날짜 기준)</SelectItem>
                  <SelectItem value="base_price">기준단가로 설정된 데이터</SelectItem>
                </SelectContent>
              </Select>
              <p className="text-muted-foreground mt-1 text-[10px]">
                {config.rightPanel?.deduplication?.keepStrategy === "latest" &&
                  "가장 최근에 추가된 데이터를 표시합니다"}
                {config.rightPanel?.deduplication?.keepStrategy === "earliest" &&
                  "가장 먼저 추가된 데이터를 표시합니다"}
                {config.rightPanel?.deduplication?.keepStrategy === "current_date" &&
                  "오늘 날짜 기준으로 유효한 기간의 데이터를 표시합니다"}
                {config.rightPanel?.deduplication?.keepStrategy === "base_price" &&
                  "기준단가(base_price)로 체크된 데이터를 표시합니다"}
              </p>
            </div>

            {/* 정렬 기준 컬럼 (latest/earliest만) */}
            {(config.rightPanel?.deduplication?.keepStrategy === "latest" ||
              config.rightPanel?.deduplication?.keepStrategy === "earliest") && (
              <div>
                <Label className="text-xs">정렬 기준 컬럼</Label>
                <Select
                  value={config.rightPanel?.deduplication?.sortColumn || ""}
                  onValueChange={(value) =>
                    updateRightPanel({
                      deduplication: { ...config.rightPanel?.deduplication!, sortColumn: value },
                    })
                  }
                >
                  <SelectTrigger className="h-8 text-xs">
                    <SelectValue placeholder="정렬 기준 컬럼 선택" />
                  </SelectTrigger>
                  <SelectContent>
                    {rightTableColumns
                      .filter(
                        (col) =>
                          col.dataType === "date" || col.dataType === "timestamp" || col.columnName.includes("date"),
                      )
                      .map((col) => (
                        <SelectItem key={col.columnName} value={col.columnName}>
                          {col.columnLabel || col.columnName}
                        </SelectItem>
                      ))}
                  </SelectContent>
                </Select>
                <p className="text-muted-foreground mt-1 text-[10px]">
                  이 컬럼의 값으로 최신/최초를 판단합니다 (보통 날짜 컬럼)
                </p>
              </div>
            )}
          </div>
        )}
      </div>

      {/* 🆕 우측 패널 수정 버튼 설정 */}
      <div className="mt-4 space-y-4 border-t pt-4">
        <div className="flex items-center justify-between">
          <div>
            <h3 className="text-sm font-semibold">수정 버튼 설정</h3>
            <p className="text-muted-foreground text-xs">우측 리스트의 수정 버튼 동작 방식 설정</p>
          </div>
          <Switch
            checked={config.rightPanel?.editButton?.enabled ?? true}
            onCheckedChange={(checked) => {
              updateRightPanel({
                editButton: {
                  enabled: checked,
                  mode: config.rightPanel?.editButton?.mode || "auto",
                  buttonLabel: config.rightPanel?.editButton?.buttonLabel,
                  buttonVariant: config.rightPanel?.editButton?.buttonVariant,
                },
              });
            }}
          />
        </div>

        {(config.rightPanel?.editButton?.enabled ?? true) && (
          <div className="space-y-3 border-l-2 pl-4">
            {/* 수정 모드 */}
            <div>
              <Label className="text-xs">수정 모드</Label>
              <Select
                value={config.rightPanel?.editButton?.mode || "auto"}
                onValueChange={(value: "auto" | "modal") =>
                  updateRightPanel({
                    editButton: {
                      ...config.rightPanel?.editButton,
                      mode: value,
                      enabled: config.rightPanel?.editButton?.enabled ?? true,
                    },
                  })
                }
              >
                <SelectTrigger className="h-8 text-xs">
                  <SelectValue />
                </SelectTrigger>
                <SelectContent>
                  <SelectItem value="auto">자동 편집 (인라인)</SelectItem>
                  <SelectItem value="modal">커스텀 모달 화면</SelectItem>
                </SelectContent>
              </Select>
              <p className="text-muted-foreground mt-1 text-[10px]">
                {config.rightPanel?.editButton?.mode === "modal"
                  ? "지정한 화면을 모달로 열어 데이터를 수정합니다"
                  : "현재 위치에서 직접 데이터를 수정합니다"}
              </p>
            </div>

            {/* 모달 화면 선택 (modal 모드일 때만) */}
            {config.rightPanel?.editButton?.mode === "modal" && (
              <div>
                <Label className="text-xs">모달 화면</Label>
                <ScreenSelector
                  value={config.rightPanel?.editButton?.modalScreenId}
                  onChange={(screenId) =>
                    updateRightPanel({
                      editButton: {
                        ...config.rightPanel?.editButton!,
                        modalScreenId: screenId,
                      },
                    })
                  }
                />
                <p className="text-muted-foreground mt-1 text-[10px]">수정 버튼 클릭 시 열릴 화면을 선택하세요</p>
              </div>
            )}

            {/* 버튼 라벨 */}
            <div>
              <Label className="text-xs">버튼 라벨</Label>
              <Input
                value={config.rightPanel?.editButton?.buttonLabel || "수정"}
                onChange={(e) =>
                  updateRightPanel({
                    editButton: {
                      ...config.rightPanel?.editButton!,
                      buttonLabel: e.target.value,
                      enabled: config.rightPanel?.editButton?.enabled ?? true,
                      mode: config.rightPanel?.editButton?.mode || "auto",
                    },
                  })
                }
                className="h-8 text-xs"
                placeholder="수정"
              />
            </div>

            {/* 버튼 스타일 */}
            <div>
              <Label className="text-xs">버튼 스타일</Label>
              <Select
                value={config.rightPanel?.editButton?.buttonVariant || "outline"}
                onValueChange={(value: any) =>
                  updateRightPanel({
                    editButton: {
                      ...config.rightPanel?.editButton!,
                      buttonVariant: value,
                      enabled: config.rightPanel?.editButton?.enabled ?? true,
                      mode: config.rightPanel?.editButton?.mode || "auto",
                    },
                  })
                }
              >
                <SelectTrigger className="h-8 text-xs">
                  <SelectValue />
                </SelectTrigger>
                <SelectContent>
                  <SelectItem value="default">기본 (파란색)</SelectItem>
                  <SelectItem value="outline">외곽선</SelectItem>
                  <SelectItem value="ghost">투명</SelectItem>
                </SelectContent>
              </Select>
            </div>

            {/* 🆕 그룹핑 기준 컬럼 설정 (modal 모드일 때만 표시) */}
            {config.rightPanel?.editButton?.mode === "modal" && (
              <GroupByColumnsSelector
                tableName={config.rightPanel?.tableName}
                selectedColumns={config.rightPanel?.editButton?.groupByColumns || []}
                onChange={(columns) => {
                  updateRightPanel({
                    editButton: {
                      ...config.rightPanel?.editButton!,
                      groupByColumns: columns,
                      enabled: config.rightPanel?.editButton?.enabled ?? true,
                      mode: config.rightPanel?.editButton?.mode || "auto",
                    },
                  });
                }}
              />
            )}
          </div>
        )}
      </div>

      {/* 🆕 우측 패널 삭제 버튼 설정 */}
      <div className="space-y-3 rounded-lg border border-destructive/20 bg-destructive/10 p-3">
        <div className="flex items-center justify-between">
          <div className="flex items-center gap-2">
            <h3 className="text-sm font-semibold">삭제 버튼 설정</h3>
          </div>
          <Switch
            checked={config.rightPanel?.deleteButton?.enabled ?? true}
            onCheckedChange={(checked) => {
              updateRightPanel({
                deleteButton: {
                  enabled: checked,
                  buttonLabel: config.rightPanel?.deleteButton?.buttonLabel,
                  buttonVariant: config.rightPanel?.deleteButton?.buttonVariant,
                },
              });
            }}
          />
        </div>

        {(config.rightPanel?.deleteButton?.enabled ?? true) && (
          <div className="space-y-3">
            <div className="grid grid-cols-2 gap-3">
              {/* 버튼 라벨 */}
              <div className="space-y-1">
                <Label className="text-xs">버튼 라벨</Label>
                <Input
                  value={config.rightPanel?.deleteButton?.buttonLabel || ""}
                  placeholder="삭제"
                  onChange={(e) => {
                    updateRightPanel({
                      deleteButton: {
                        ...config.rightPanel?.deleteButton!,
                        buttonLabel: e.target.value || undefined,
                        enabled: config.rightPanel?.deleteButton?.enabled ?? true,
                      },
                    });
                  }}
                  className="h-8 text-xs"
                />
              </div>

              {/* 버튼 스타일 */}
              <div className="space-y-1">
                <Label className="text-xs">버튼 스타일</Label>
                <Select
                  value={config.rightPanel?.deleteButton?.buttonVariant || "ghost"}
                  onValueChange={(value: "default" | "outline" | "ghost" | "destructive") => {
                    updateRightPanel({
                      deleteButton: {
                        ...config.rightPanel?.deleteButton!,
                        buttonVariant: value,
                        enabled: config.rightPanel?.deleteButton?.enabled ?? true,
                      },
                    });
                  }}
                >
                  <SelectTrigger className="h-8 text-xs">
                    <SelectValue />
                  </SelectTrigger>
                  <SelectContent>
                    <SelectItem value="ghost">Ghost (기본)</SelectItem>
                    <SelectItem value="outline">Outline</SelectItem>
                    <SelectItem value="default">Default</SelectItem>
                    <SelectItem value="destructive">Destructive (빨강)</SelectItem>
                  </SelectContent>
                </Select>
              </div>
            </div>

            {/* 삭제 확인 메시지 */}
            <div className="space-y-1">
              <Label className="text-xs">삭제 확인 메시지</Label>
              <Input
                value={config.rightPanel?.deleteButton?.confirmMessage || ""}
                placeholder="정말 삭제하시겠습니까?"
                onChange={(e) => {
                  updateRightPanel({
                    deleteButton: {
                      ...config.rightPanel?.deleteButton!,
                      confirmMessage: e.target.value || undefined,
                      enabled: config.rightPanel?.deleteButton?.enabled ?? true,
                    },
                  });
                }}
                className="h-8 text-xs"
              />
            </div>
          </div>
        )}
      </div>

      {/* ======================================== */}
      {/* 추가 탭 설정 (우측 패널과 동일한 구조) */}
      {/* ======================================== */}
      <div className="mt-4 space-y-4 border-t pt-4">
        <div className="flex items-center justify-between">
          <div>
            <h3 className="text-sm font-semibold">추가 탭</h3>
            <p className="text-muted-foreground text-xs">
              우측 패널에 다른 테이블 데이터를 탭으로 추가합니다
            </p>
          </div>
          <Button
            variant="outline"
            size="sm"
            onClick={() => {
              const newTab: AdditionalTabConfig = {
                tabId: `tab_${Date.now()}`,
                label: `탭 ${(config.rightPanel?.additionalTabs?.length || 0) + 1}`,
                title: "",
                tableName: "",
                displayMode: "list",
                showSearch: false,
                showAdd: false,
                showEdit: true,
                showDelete: true,
                summaryColumnCount: 3,
                summaryShowLabel: true,
              };
              updateRightPanel({
                additionalTabs: [...(config.rightPanel?.additionalTabs || []), newTab],
              });
            }}
          >
            <Plus className="mr-1 h-3 w-3" />
            탭 추가
          </Button>
        </div>

        {/* 추가된 탭 목록 */}
        {(config.rightPanel?.additionalTabs?.length || 0) > 0 ? (
          <Accordion type="multiple" className="space-y-2">
            {config.rightPanel?.additionalTabs?.map((tab, tabIndex) => (
              <AdditionalTabConfigPanel
                key={tab.tabId}
                tab={tab}
                tabIndex={tabIndex}
                config={config}
                updateRightPanel={updateRightPanel}
                availableRightTables={availableRightTables}
                leftTableColumns={leftTableColumns}
                menuObjid={menuObjid}
                loadedTableColumns={loadedTableColumns}
                loadTableColumns={loadTableColumns}
                loadingColumns={loadingColumns}
              />
            ))}
          </Accordion>
        ) : (
          <div className="rounded-lg border border-dashed p-4 text-center">
            <p className="text-xs text-muted-foreground">
              추가된 탭이 없습니다. [탭 추가] 버튼을 클릭하여 새 탭을 추가하세요.
            </p>
          </div>
        )}
      </div>

      {/* 레이아웃 설정 */}
      <div className="mt-4 space-y-4 border-t pt-4">
        <div className="space-y-2">
          <Label>좌측 패널 너비: {config.splitRatio || 30}%</Label>
          <Slider
            value={[config.splitRatio || 30]}
            onValueChange={(value) => updateConfig({ splitRatio: value[0] })}
            min={20}
            max={80}
            step={5}
          />
        </div>

        <div className="flex items-center justify-between">
          <Label>크기 조절 가능</Label>
          <Switch
            checked={config.resizable ?? true}
            onCheckedChange={(checked) => updateConfig({ resizable: checked })}
          />
        </div>

        <div className="flex items-center justify-between">
          <Label>자동 데이터 로드</Label>
          <Switch
            checked={config.autoLoad ?? true}
            onCheckedChange={(checked) => updateConfig({ autoLoad: checked })}
          />
        </div>
      </div>
    </div>
  );
};

