"use client";

import React, { useState, useEffect, useCallback } from "react";
import { Label } from "@/components/ui/label";
import { Input } from "@/components/ui/input";
import { Switch } from "@/components/ui/switch";
import { Button } from "@/components/ui/button";
import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover";
import { Command, CommandEmpty, CommandGroup, CommandInput, CommandItem, CommandList } from "@/components/ui/command";
import { Check, ChevronsUpDown, Plus, X, Settings, Columns, MousePointerClick } from "lucide-react";
import { cn } from "@/lib/utils";
import { apiClient } from "@/lib/api/client";
import type { SplitPanelLayout2Config, ColumnConfig, DataTransferField, JoinTableConfig, ColumnDisplayConfig, ActionButtonConfig, SearchColumnConfig, GroupingConfig, TabConfig, ButtonDataTransferConfig } from "./types";
import { ScrollArea } from "@/components/ui/scroll-area";
import {
  Dialog,
  DialogContent,
  DialogDescription,
  DialogFooter,
  DialogHeader,
  DialogTitle,
} from "@/components/ui/dialog";
import { ColumnConfigModal } from "./ColumnConfigModal";
import { ActionButtonConfigModal } from "./ActionButtonConfigModal";

// lodash set 대체 함수
const setPath = (obj: any, path: string, value: any): any => {
  const keys = path.split(".");
  const result = { ...obj };
  let current = result;

  for (let i = 0; i < keys.length - 1; i++) {
    const key = keys[i];
    current[key] = current[key] ? { ...current[key] } : {};
    current = current[key];
  }

  current[keys[keys.length - 1]] = value;
  return result;
};

interface SplitPanelLayout2ConfigPanelProps {
  config: SplitPanelLayout2Config;
  onChange: (config: SplitPanelLayout2Config) => void;
}

interface TableInfo {
  table_name: string;
  table_comment?: string;
}

interface ColumnInfo {
  column_name: string;
  data_type: string;
  column_comment?: string;
}

interface ScreenInfo {
  screen_id: number;
  screen_name: string;
  screen_code: string;
}

export const SplitPanelLayout2ConfigPanel: React.FC<SplitPanelLayout2ConfigPanelProps> = ({ config, onChange }) => {
  // updateConfig 헬퍼 함수: 경로 기반으로 config를 업데이트
  const updateConfig = useCallback(
    (path: string, value: any) => {
      console.log(`[SplitPanelLayout2ConfigPanel] updateConfig: ${path} =`, value);
      const newConfig = setPath(config, path, value);
      console.log("[SplitPanelLayout2ConfigPanel] newConfig:", newConfig);
      onChange(newConfig);
    },
    [config, onChange],
  );

  // 상태
  const [tables, setTables] = useState<TableInfo[]>([]);
  const [leftColumns, setLeftColumns] = useState<ColumnInfo[]>([]);
  const [rightColumns, setRightColumns] = useState<ColumnInfo[]>([]);
  const [screens, setScreens] = useState<ScreenInfo[]>([]);
  const [tablesLoading, setTablesLoading] = useState(false);
  const [screensLoading, setScreensLoading] = useState(false);

  // Popover 상태
  const [leftTableOpen, setLeftTableOpen] = useState(false);
  const [rightTableOpen, setRightTableOpen] = useState(false);
  const [leftModalOpen, setLeftModalOpen] = useState(false);
  const [rightModalOpen, setRightModalOpen] = useState(false);
  
  // 개별 수정 모달 화면 선택 Popover 상태
  const [leftEditModalOpen, setLeftEditModalOpen] = useState(false);
  const [rightEditModalOpen, setRightEditModalOpen] = useState(false);

  // 컬럼 세부설정 모달 상태 (기존 - 하위 호환성)
  const [columnConfigModalOpen, setColumnConfigModalOpen] = useState(false);
  const [editingColumnIndex, setEditingColumnIndex] = useState<number | null>(null);
  const [editingColumnConfig, setEditingColumnConfig] = useState<ColumnDisplayConfig>({
    displayType: "text",
    aggregate: { enabled: false, function: "DISTINCT" },
  });

  // 새로운 컬럼 설정 모달 상태
  const [leftColumnModalOpen, setLeftColumnModalOpen] = useState(false);
  const [rightColumnModalOpen, setRightColumnModalOpen] = useState(false);

  // 액션 버튼 설정 모달 상태
  const [leftActionButtonModalOpen, setLeftActionButtonModalOpen] = useState(false);
  const [rightActionButtonModalOpen, setRightActionButtonModalOpen] = useState(false);

  // 데이터 전달 설정 모달 상태
  const [dataTransferModalOpen, setDataTransferModalOpen] = useState(false);
  const [editingTransferIndex, setEditingTransferIndex] = useState<number | null>(null);

  // 테이블 목록 로드
  const loadTables = useCallback(async () => {
    setTablesLoading(true);
    try {
      const response = await apiClient.get("/table-management/tables");
      console.log("[loadTables] API 응답:", response.data);

      let tableList: any[] = [];
      if (response.data?.success && Array.isArray(response.data?.data)) {
        tableList = response.data.data;
      } else if (Array.isArray(response.data?.data)) {
        tableList = response.data.data;
      } else if (Array.isArray(response.data)) {
        tableList = response.data;
      }

      console.log("[loadTables] 추출된 테이블 목록:", tableList);

      if (tableList.length > 0) {
        // 백엔드에서 카멜케이스(tableName)로 반환하므로 둘 다 처리
        const transformedTables = tableList.map((t: any) => ({
          table_name: t.tableName ?? t.table_name ?? t.name ?? "",
          table_comment: t.displayName ?? t.table_comment ?? t.description ?? "",
        }));
        console.log("[loadTables] 변환된 테이블 목록:", transformedTables);
        setTables(transformedTables);
      } else {
        console.warn("[loadTables] 테이블 목록이 비어있습니다");
        setTables([]);
      }
    } catch (error) {
      console.error("테이블 목록 로드 실패:", error);
      setTables([]);
    } finally {
      setTablesLoading(false);
    }
  }, []);

  // 화면 목록 로드
  const loadScreens = useCallback(async () => {
    setScreensLoading(true);
    try {
      // size를 크게 설정하여 모든 화면 가져오기
      const response = await apiClient.get("/screen-management/screens?size=1000");
      console.log("[loadScreens] API 응답:", response.data);

      // API 응답 구조: { success, data: [...], total, page, size }
      let screenList: any[] = [];
      if (response.data?.success && Array.isArray(response.data?.data)) {
        screenList = response.data.data;
      } else if (Array.isArray(response.data?.data)) {
        screenList = response.data.data;
      } else if (Array.isArray(response.data)) {
        screenList = response.data;
      }

      console.log("[loadScreens] 추출된 화면 목록:", screenList);

      if (screenList.length > 0) {
        // 백엔드에서 카멜케이스(screenId, screenName)로 반환하므로 둘 다 처리
        const transformedScreens = screenList.map((s: any) => ({
          screen_id: s.screenId ?? s.screen_id ?? s.id,
          screen_name: s.screenName ?? s.screen_name ?? s.name ?? `화면 ${s.screenId || s.screen_id || s.id}`,
          screen_code: s.screenCode ?? s.screen_code ?? s.code ?? "",
        }));
        console.log("[loadScreens] 변환된 화면 목록:", transformedScreens);
        setScreens(transformedScreens);
      } else {
        console.warn("[loadScreens] 화면 목록이 비어있습니다");
        setScreens([]);
      }
    } catch (error) {
      console.error("화면 목록 로드 실패:", error);
      setScreens([]);
    } finally {
      setScreensLoading(false);
    }
  }, []);

  // 컬럼 목록 로드
  const loadColumns = useCallback(async (tableName: string, side: "left" | "right") => {
    if (!tableName) return;
    try {
      const response = await apiClient.get(`/table-management/tables/${tableName}/columns?size=200`);
      console.log(`[loadColumns] ${side} API 응답:`, response.data);

      // API 응답 구조: { success, data: { columns: [...], total, page, totalPages } }
      let columnList: any[] = [];
      if (response.data?.success && response.data?.data?.columns) {
        columnList = response.data.data.columns;
      } else if (Array.isArray(response.data?.data?.columns)) {
        columnList = response.data.data.columns;
      } else if (Array.isArray(response.data?.data)) {
        columnList = response.data.data;
      } else if (Array.isArray(response.data)) {
        columnList = response.data;
      }

      console.log(`[loadColumns] ${side} 추출된 컬럼 목록:`, columnList);

      if (columnList.length > 0) {
        // 백엔드에서 카멜케이스(columnName)로 반환하므로 둘 다 처리
        const transformedColumns = columnList.map((c: any) => ({
          column_name: c.columnName ?? c.column_name ?? c.name ?? "",
          data_type: c.dataType ?? c.data_type ?? c.type ?? "",
          column_comment: c.displayName ?? c.column_comment ?? c.label ?? "",
        }));
        console.log(`[loadColumns] ${side} 변환된 컬럼 목록:`, transformedColumns);

        if (side === "left") {
          setLeftColumns(transformedColumns);
        } else {
          setRightColumns(transformedColumns);
        }
      } else {
        console.warn(`[loadColumns] ${side} 컬럼 목록이 비어있습니다`);
        if (side === "left") {
          setLeftColumns([]);
        } else {
          setRightColumns([]);
        }
      }
    } catch (error) {
      console.error(`${side} 컬럼 목록 로드 실패:`, error);
      if (side === "left") {
        setLeftColumns([]);
      } else {
        setRightColumns([]);
      }
    }
  }, []);

  // 초기 로드
  useEffect(() => {
    loadTables();
    loadScreens();
  }, [loadTables, loadScreens]);

  // 테이블 변경 시 컬럼 로드
  useEffect(() => {
    if (config.leftPanel?.tableName) {
      loadColumns(config.leftPanel.tableName, "left");
    }
  }, [config.leftPanel?.tableName, loadColumns]);

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

  // 조인 테이블 컬럼도 우측 컬럼 목록에 추가
  useEffect(() => {
    const loadJoinTableColumns = async () => {
      const joinTables = config.rightPanel?.joinTables || [];
      if (joinTables.length === 0 || !config.rightPanel?.tableName) return;

      // 메인 테이블 컬럼 먼저 로드
      try {
        const mainResponse = await apiClient.get(
          `/table-management/tables/${config.rightPanel.tableName}/columns?size=200`,
        );
        let mainColumns: ColumnInfo[] = [];

        if (mainResponse.data?.success) {
          const columnList = mainResponse.data.data?.columns || mainResponse.data.data || [];
          mainColumns = columnList.map((c: any) => ({
            column_name: c.columnName ?? c.column_name ?? c.name ?? "",
            data_type: c.dataType ?? c.data_type ?? c.type ?? "",
            column_comment: c.displayName ?? c.column_comment ?? c.label ?? "",
          }));
        }

        // 조인 테이블들의 선택된 컬럼 추가
        const joinColumns: ColumnInfo[] = [];
        for (const jt of joinTables) {
          if (jt.joinTable && jt.selectColumns && jt.selectColumns.length > 0) {
            try {
              const joinResponse = await apiClient.get(`/table-management/tables/${jt.joinTable}/columns?size=200`);
              if (joinResponse.data?.success) {
                const columnList = joinResponse.data.data?.columns || joinResponse.data.data || [];
                const transformedColumns = columnList.map((c: any) => ({
                  column_name: c.columnName ?? c.column_name ?? c.name ?? "",
                  data_type: c.dataType ?? c.data_type ?? c.type ?? "",
                  column_comment: c.displayName ?? c.column_comment ?? c.label ?? "",
                }));

                // 선택된 컬럼 추가 (테이블명으로 구분, 유니크 키 생성)
                jt.selectColumns.forEach((selCol) => {
                  const col = transformedColumns.find((c: ColumnInfo) => c.column_name === selCol);
                  if (col) {
                    joinColumns.push({
                      ...col,
                      // 유니크 키를 위해 테이블명_컬럼명 형태로 저장
                      column_name: `${jt.joinTable}.${col.column_name}`,
                      column_comment: col.column_comment
                        ? `${col.column_comment} (${jt.joinTable})`
                        : `${col.column_name} (${jt.joinTable})`,
                    });
                  }
                });
              }
            } catch (error) {
              console.error(`조인 테이블 ${jt.joinTable} 컬럼 로드 실패:`, error);
            }
          }
        }

        // 메인 + 조인 컬럼 합치기
        setRightColumns([...mainColumns, ...joinColumns]);
        console.log(
          `[loadJoinTableColumns] 우측 컬럼 로드 완료: 메인 ${mainColumns.length}개 + 조인 ${joinColumns.length}개`,
        );
      } catch (error) {
        console.error("조인 테이블 컬럼 로드 실패:", error);
      }
    };

    loadJoinTableColumns();
  }, [config.rightPanel?.tableName, config.rightPanel?.joinTables]);

  // 테이블 선택 컴포넌트
  const TableSelect: React.FC<{
    value: string;
    onValueChange: (value: string) => void;
    placeholder: string;
    open: boolean;
    onOpenChange: (open: boolean) => void;
  }> = ({ value, onValueChange, placeholder, open, onOpenChange }) => {
    const selectedTable = tables.find((t) => t.table_name === value);

    return (
      <Popover open={open} onOpenChange={onOpenChange}>
        <PopoverTrigger asChild>
          <Button
            variant="outline"
            role="combobox"
            aria-expanded={open}
            disabled={tablesLoading}
            className="h-9 w-full justify-between text-sm"
          >
            {tablesLoading
              ? "로딩 중..."
              : selectedTable
                ? selectedTable.table_comment || selectedTable.table_name
                : value || placeholder}
            <ChevronsUpDown className="ml-2 h-4 w-4 shrink-0 opacity-50" />
          </Button>
        </PopoverTrigger>
        <PopoverContent className="w-full p-0" align="start">
          <Command>
            <CommandInput placeholder="테이블 검색..." className="h-9" />
            <CommandList>
              <CommandEmpty>
                {tables.length === 0 ? "테이블 목록을 불러오는 중..." : "검색 결과가 없습니다"}
              </CommandEmpty>
              <CommandGroup>
                {tables.map((table, index) => (
                  <CommandItem
                    key={`table-${table.table_name || index}`}
                    value={`${table.table_name} ${table.table_comment || ""}`}
                    onSelect={() => {
                      onValueChange(table.table_name);
                      onOpenChange(false);
                    }}
                  >
                    <Check className={cn("mr-2 h-4 w-4", value === table.table_name ? "opacity-100" : "opacity-0")} />
                    <span className="flex flex-col">
                      <span>{table.table_comment || table.table_name}</span>
                      <span className="text-muted-foreground text-xs">{table.table_name}</span>
                    </span>
                  </CommandItem>
                ))}
              </CommandGroup>
            </CommandList>
          </Command>
        </PopoverContent>
      </Popover>
    );
  };

  // 화면 선택 컴포넌트
  const ScreenSelect: React.FC<{
    value: number | undefined;
    onValueChange: (value: number | undefined) => void;
    placeholder: string;
    open: boolean;
    onOpenChange: (open: boolean) => void;
  }> = ({ value, onValueChange, placeholder, open, onOpenChange }) => {
    const selectedScreen = screens.find((s) => s.screen_id === value);

    return (
      <Popover open={open} onOpenChange={onOpenChange}>
        <PopoverTrigger asChild>
          <Button
            variant="outline"
            role="combobox"
            aria-expanded={open}
            disabled={screensLoading}
            className="h-9 w-full justify-between text-sm"
          >
            {screensLoading
              ? "로딩 중..."
              : selectedScreen
                ? selectedScreen.screen_name
                : value
                  ? `화면 ${value}`
                  : placeholder}
            <ChevronsUpDown className="ml-2 h-4 w-4 shrink-0 opacity-50" />
          </Button>
        </PopoverTrigger>
        <PopoverContent className="w-full p-0" align="start">
          <Command>
            <CommandInput placeholder="화면 검색..." className="h-9" />
            <CommandList>
              <CommandEmpty>
                {screens.length === 0 ? "화면 목록을 불러오는 중..." : "검색 결과가 없습니다"}
              </CommandEmpty>
              <CommandGroup>
                {screens.map((screen, index) => (
                  <CommandItem
                    key={`screen-${screen.screen_id ?? index}`}
                    value={`${screen.screen_id}-${screen.screen_name}`}
                    onSelect={(selectedValue: string) => {
                      const screenId = parseInt(selectedValue.split("-")[0]);
                      console.log("[ScreenSelect] onSelect:", { selectedValue, screenId, screen });
                      onValueChange(isNaN(screenId) ? undefined : screenId);
                      onOpenChange(false);
                    }}
                    className="flex items-center"
                  >
                    <div className="flex w-full items-center">
                      <Check
                        className={cn(
                          "mr-2 h-4 w-4 shrink-0",
                          value === screen.screen_id ? "opacity-100" : "opacity-0",
                        )}
                      />
                      <span className="flex flex-col">
                        <span>{screen.screen_name}</span>
                        <span className="text-muted-foreground text-xs">{screen.screen_code}</span>
                      </span>
                    </div>
                  </CommandItem>
                ))}
              </CommandGroup>
            </CommandList>
          </Command>
        </PopoverContent>
      </Popover>
    );
  };

  // 컬럼 선택 컴포넌트
  const ColumnSelect: React.FC<{
    columns: ColumnInfo[];
    value: string;
    onValueChange: (value: string) => void;
    placeholder: string;
    showTableName?: boolean; // 테이블명 표시 여부
    tableName?: string; // 메인 테이블명 (조인 컬럼과 구분용)
  }> = ({ columns, value, onValueChange, placeholder, showTableName = false, tableName }) => {
    // 현재 선택된 값의 라벨 찾기
    const selectedColumn = columns.find((col) => col.column_name === value);
    const displayValue = selectedColumn ? selectedColumn.column_comment || selectedColumn.column_name : value || "";

    // 컬럼이 조인 테이블에서 온 것인지 확인 (column_comment에 괄호가 있으면 조인 테이블)
    const isJoinColumn = (col: ColumnInfo) => col.column_comment?.includes("(") && col.column_comment?.includes(")");

    // 컬럼 표시 텍스트 생성
    const getColumnDisplayText = (col: ColumnInfo) => {
      const label = col.column_comment || col.column_name;
      if (showTableName && tableName && !isJoinColumn(col)) {
        // 메인 테이블 컬럼에 테이블명 추가
        return `${label} (${tableName})`;
      }
      return label;
    };

    return (
      <Select value={value || ""} onValueChange={onValueChange}>
        <SelectTrigger className="h-9 min-w-[120px] text-sm">
          <SelectValue placeholder={placeholder}>{displayValue || placeholder}</SelectValue>
        </SelectTrigger>
        <SelectContent>
          {columns.length === 0 ? (
            <SelectItem value="_empty" disabled>
              테이블을 먼저 선택하세요
            </SelectItem>
          ) : (
            columns.map((col) => (
              <SelectItem key={col.column_name} value={col.column_name}>
                <span className="flex flex-col">
                  <span>{col.column_comment || col.column_name}</span>
                  {showTableName && (
                    <span className="text-muted-foreground text-[10px]">
                      {isJoinColumn(col) ? col.column_name : `${col.column_name} (${tableName || "메인"})`}
                    </span>
                  )}
                </span>
              </SelectItem>
            ))
          )}
        </SelectContent>
      </Select>
    );
  };

  // 검색 가능한 컬럼 선택 컴포넌트 (Combobox 패턴)
  const SearchableColumnSelect: React.FC<{
    columns: ColumnInfo[];
    value: string;
    onValueChange: (value: string) => void;
    placeholder: string;
    disabled?: boolean;
  }> = ({ columns, value, onValueChange, placeholder, disabled = false }) => {
    const [open, setOpen] = useState(false);

    // 현재 선택된 값의 라벨 찾기
    const selectedColumn = columns.find((col) => col.column_name === value);
    const displayValue = selectedColumn
      ? `${selectedColumn.column_comment || selectedColumn.column_name} (${selectedColumn.column_name})`
      : "";

    return (
      <Popover open={open} onOpenChange={setOpen}>
        <PopoverTrigger asChild>
          <Button
            variant="outline"
            role="combobox"
            aria-expanded={open}
            disabled={disabled || columns.length === 0}
            className="h-8 w-full justify-between text-xs"
          >
            {columns.length === 0
              ? "테이블을 먼저 선택하세요"
              : value
                ? displayValue
                : placeholder}
            <ChevronsUpDown className="ml-2 h-3 w-3 shrink-0 opacity-50" />
          </Button>
        </PopoverTrigger>
        <PopoverContent className="w-full p-0" align="start" style={{ width: "var(--radix-popover-trigger-width)" }}>
          <Command>
            <CommandInput placeholder="컬럼 검색 (한글/영어)..." className="h-8 text-xs" />
            <CommandList>
              <CommandEmpty>검색 결과가 없습니다</CommandEmpty>
              <CommandGroup>
                {columns.map((col, index) => (
                  <CommandItem
                    key={`col-${col.column_name || index}`}
                    // 한글 라벨과 영어 컬럼명 모두 검색 가능하도록 value에 포함
                    value={`${col.column_name} ${col.column_comment || ""}`}
                    onSelect={() => {
                      onValueChange(col.column_name);
                      setOpen(false);
                    }}
                    className="text-xs"
                  >
                    <Check
                      className={cn("mr-2 h-3 w-3", value === col.column_name ? "opacity-100" : "opacity-0")}
                    />
                    <div className="flex flex-col">
                      <span className="font-medium">{col.column_comment || col.column_name}</span>
                      <span className="text-muted-foreground text-[10px]">{col.column_name}</span>
                    </div>
                  </CommandItem>
                ))}
              </CommandGroup>
            </CommandList>
          </Command>
        </PopoverContent>
      </Popover>
    );
  };

  // 조인 테이블 아이템 컴포넌트
  const JoinTableItem: React.FC<{
    index: number;
    joinTable: JoinTableConfig;
    tables: TableInfo[];
    mainTableColumns: ColumnInfo[];
    onUpdate: (field: keyof JoinTableConfig | Partial<JoinTableConfig>, value?: any) => void;
    onRemove: () => void;
  }> = ({ index, joinTable, tables, mainTableColumns, onUpdate, onRemove }) => {
    const [joinTableColumns, setJoinTableColumns] = useState<ColumnInfo[]>([]);
    const [joinTableOpen, setJoinTableOpen] = useState(false);

    // 조인 테이블 선택 시 해당 테이블의 컬럼 로드
    useEffect(() => {
      const loadJoinTableColumns = async () => {
        if (!joinTable.joinTable) {
          setJoinTableColumns([]);
          return;
        }
        try {
          const response = await apiClient.get(`/table-management/tables/${joinTable.joinTable}/columns?size=200`);
          let columnList: any[] = [];
          if (response.data?.success && response.data?.data?.columns) {
            columnList = response.data.data.columns;
          } else if (Array.isArray(response.data?.data?.columns)) {
            columnList = response.data.data.columns;
          } else if (Array.isArray(response.data?.data)) {
            columnList = response.data.data;
          }

          const transformedColumns = columnList.map((c: any) => ({
            column_name: c.columnName ?? c.column_name ?? c.name ?? "",
            data_type: c.dataType ?? c.data_type ?? c.type ?? "",
            column_comment: c.displayName ?? c.column_comment ?? c.label ?? "",
          }));
          setJoinTableColumns(transformedColumns);
        } catch (error) {
          console.error("조인 테이블 컬럼 로드 실패:", error);
          setJoinTableColumns([]);
        }
      };
      loadJoinTableColumns();
    }, [joinTable.joinTable]);

    const selectedTable = tables.find((t) => t.table_name === joinTable.joinTable);

    return (
      <div className="space-y-3 rounded-md border p-3">
        <div className="flex items-center justify-between">
          <span className="text-muted-foreground text-xs font-medium">조인 {index + 1}</span>
          <Button size="sm" variant="ghost" className="h-6 w-6 p-0" onClick={onRemove}>
            <X className="h-3 w-3" />
          </Button>
        </div>

        {/* 조인 테이블 선택 */}
        <div>
          <Label className="text-xs">조인할 테이블</Label>
          <Popover open={joinTableOpen} onOpenChange={setJoinTableOpen}>
            <PopoverTrigger asChild>
              <Button
                variant="outline"
                role="combobox"
                aria-expanded={joinTableOpen}
                className="h-8 w-full justify-between text-xs"
              >
                {selectedTable
                  ? selectedTable.table_comment || selectedTable.table_name
                  : joinTable.joinTable || "테이블 선택"}
                <ChevronsUpDown className="ml-2 h-3 w-3 shrink-0 opacity-50" />
              </Button>
            </PopoverTrigger>
            <PopoverContent className="w-full p-0" align="start">
              <Command>
                <CommandInput placeholder="테이블 검색..." className="h-8 text-xs" />
                <CommandList>
                  <CommandEmpty>검색 결과가 없습니다</CommandEmpty>
                  <CommandGroup>
                    {tables.map((table) => (
                      <CommandItem
                        key={table.table_name}
                        value={`${table.table_name} ${table.table_comment || ""}`}
                        onSelect={() => {
                          // cmdk가 value를 소문자로 변환하므로 직접 table.table_name 사용
                          // 여러 필드를 한 번에 업데이트 (연속 호출 시 덮어쓰기 방지)
                          onUpdate({
                            joinTable: table.table_name,
                            selectColumns: [], // 테이블 변경 시 선택 컬럼 초기화
                          });
                          setJoinTableOpen(false);
                        }}
                        className="text-xs"
                      >
                        <Check
                          className={cn(
                            "mr-2 h-3 w-3",
                            joinTable.joinTable === table.table_name ? "opacity-100" : "opacity-0",
                          )}
                        />
                        <span className="flex flex-col">
                          <span>{table.table_comment || table.table_name}</span>
                          <span className="text-muted-foreground text-[10px]">{table.table_name}</span>
                        </span>
                      </CommandItem>
                    ))}
                  </CommandGroup>
                </CommandList>
              </Command>
            </PopoverContent>
          </Popover>
        </div>

        {/* 조인 타입 */}
        <div>
          <Label className="text-xs">조인 방식</Label>
          <Select value={joinTable.joinType || "LEFT"} onValueChange={(value) => onUpdate("joinType", value)}>
            <SelectTrigger className="h-8 text-xs">
              <SelectValue />
            </SelectTrigger>
            <SelectContent>
              <SelectItem value="LEFT">LEFT JOIN (데이터 없어도 표시)</SelectItem>
              <SelectItem value="INNER">INNER JOIN (데이터 있어야만 표시)</SelectItem>
            </SelectContent>
          </Select>
        </div>

        {/* 조인 조건 */}
        <div className="space-y-2">
          <Label className="text-xs">조인 조건</Label>
          <div className="bg-muted/30 space-y-2 rounded-md p-2">
            <div>
              <Label className="text-muted-foreground text-[10px]">메인 테이블 컬럼</Label>
              <ColumnSelect
                columns={mainTableColumns}
                value={joinTable.mainColumn || ""}
                onValueChange={(value) => onUpdate("mainColumn", value)}
                placeholder="메인 테이블 컬럼"
              />
            </div>
            <div className="text-muted-foreground text-center text-[10px]">=</div>
            <div>
              <Label className="text-muted-foreground text-[10px]">조인 테이블 컬럼</Label>
              <ColumnSelect
                columns={joinTableColumns}
                value={joinTable.joinColumn || ""}
                onValueChange={(value) => onUpdate("joinColumn", value)}
                placeholder="조인 테이블 컬럼"
              />
            </div>
          </div>
        </div>

        {/* 가져올 컬럼 선택 */}
        <div>
          <div className="mb-1 flex items-center justify-between">
            <Label className="text-xs">가져올 컬럼</Label>
            <Button
              size="sm"
              variant="ghost"
              className="h-5 px-1 text-[10px]"
              onClick={() => {
                const current = joinTable.selectColumns || [];
                onUpdate("selectColumns", [...current, ""]);
              }}
              disabled={!joinTable.joinTable}
            >
              <Plus className="mr-0.5 h-2.5 w-2.5" />
              추가
            </Button>
          </div>
          <p className="text-muted-foreground mb-2 text-[10px]">조인 테이블에서 표시할 컬럼들을 선택하세요</p>
          <div className="space-y-1">
            {(joinTable.selectColumns || []).map((col, colIndex) => (
              <div key={colIndex} className="flex items-center gap-1">
                <ColumnSelect
                  columns={joinTableColumns}
                  value={col}
                  onValueChange={(value) => {
                    const current = [...(joinTable.selectColumns || [])];
                    current[colIndex] = value;
                    onUpdate("selectColumns", current);
                  }}
                  placeholder="컬럼 선택"
                />
                <Button
                  size="sm"
                  variant="ghost"
                  className="h-8 w-8 shrink-0 p-0"
                  onClick={() => {
                    const current = joinTable.selectColumns || [];
                    onUpdate(
                      "selectColumns",
                      current.filter((_, i) => i !== colIndex),
                    );
                  }}
                >
                  <X className="h-3 w-3" />
                </Button>
              </div>
            ))}
            {(joinTable.selectColumns || []).length === 0 && (
              <div className="text-muted-foreground rounded border py-2 text-center text-[10px]">
                가져올 컬럼을 추가하세요
              </div>
            )}
          </div>
        </div>
      </div>
    );
  };

  // 표시 컬럼 추가
  const addDisplayColumn = (side: "left" | "right") => {
    const path = side === "left" ? "leftPanel.displayColumns" : "rightPanel.displayColumns";
    const currentColumns =
      side === "left" ? config.leftPanel?.displayColumns || [] : config.rightPanel?.displayColumns || [];

    // 기본 테이블 설정 (메인 테이블)
    const defaultTable = side === "left" ? config.leftPanel?.tableName : config.rightPanel?.tableName;

    updateConfig(path, [...currentColumns, { name: "", label: "", sourceTable: defaultTable || "" }]);
  };

  // 표시 컬럼 삭제
  const removeDisplayColumn = (side: "left" | "right", index: number) => {
    const path = side === "left" ? "leftPanel.displayColumns" : "rightPanel.displayColumns";
    const currentColumns =
      side === "left" ? config.leftPanel?.displayColumns || [] : config.rightPanel?.displayColumns || [];

    updateConfig(
      path,
      currentColumns.filter((_, i) => i !== index),
    );
  };

  // 표시 컬럼 업데이트
  const updateDisplayColumn = (
    side: "left" | "right",
    index: number,
    fieldOrPartial: keyof ColumnConfig | Partial<ColumnConfig>,
    value?: any,
  ) => {
    const path = side === "left" ? "leftPanel.displayColumns" : "rightPanel.displayColumns";
    const currentColumns =
      side === "left" ? [...(config.leftPanel?.displayColumns || [])] : [...(config.rightPanel?.displayColumns || [])];

    if (currentColumns[index]) {
      if (typeof fieldOrPartial === "object") {
        // 여러 필드를 한 번에 업데이트
        currentColumns[index] = { ...currentColumns[index], ...fieldOrPartial };
      } else {
        // 단일 필드 업데이트
        currentColumns[index] = { ...currentColumns[index], [fieldOrPartial]: value };
      }
      updateConfig(path, currentColumns);
    }
  };

  // 컬럼 세부설정 저장
  const handleSaveColumnConfig = () => {
    if (editingColumnIndex === null) return;

    const currentColumns = [...(config.leftPanel?.displayColumns || [])];
    if (currentColumns[editingColumnIndex]) {
      currentColumns[editingColumnIndex] = {
        ...currentColumns[editingColumnIndex],
        displayConfig: editingColumnConfig,
      };
      updateConfig("leftPanel.displayColumns", currentColumns);
    }

    setColumnConfigModalOpen(false);
    setEditingColumnIndex(null);
  };

  // 좌측 컬럼 설정 모달 저장 핸들러
  const handleLeftColumnConfigSave = (columnConfig: {
    displayColumns: ColumnConfig[];
    searchColumns: SearchColumnConfig[];
    grouping: GroupingConfig;
    showSearch: boolean;
  }) => {
    // 모든 변경사항을 한 번에 적용 (개별 updateConfig 호출 시 마지막 값만 적용되는 문제 방지)
    const newLeftPanel = {
      ...config.leftPanel,
      displayColumns: columnConfig.displayColumns,
      searchColumns: columnConfig.searchColumns,
      grouping: columnConfig.grouping,
      showSearch: columnConfig.showSearch,
    };
    onChange({ ...config, leftPanel: newLeftPanel });
  };

  // 좌측 액션 버튼 설정 모달 저장 핸들러
  const handleLeftActionButtonSave = (buttons: ActionButtonConfig[]) => {
    updateConfig("leftPanel.actionButtons", buttons);
  };

  // 우측 컬럼 설정 모달 저장 핸들러
  const handleRightColumnConfigSave = (columnConfig: {
    displayColumns: ColumnConfig[];
    searchColumns: SearchColumnConfig[];
    grouping: GroupingConfig;
    showSearch: boolean;
  }) => {
    // 모든 변경사항을 한 번에 적용 (개별 updateConfig 호출 시 마지막 값만 적용되는 문제 방지)
    const newRightPanel = {
      ...config.rightPanel,
      displayColumns: columnConfig.displayColumns,
      searchColumns: columnConfig.searchColumns,
      showSearch: columnConfig.showSearch,
    };
    onChange({ ...config, rightPanel: newRightPanel });
  };

  // 우측 액션 버튼 설정 모달 저장 핸들러
  const handleRightActionButtonSave = (buttons: ActionButtonConfig[]) => {
    updateConfig("rightPanel.actionButtons", buttons);
  };

  return (
    <div className="space-y-6 p-1">
      {/* 좌측 패널 설정 */}
      <div className="space-y-4">
        <h4 className="border-b pb-2 text-sm font-medium">좌측 패널 설정 (마스터)</h4>

        <div className="space-y-3">
          <div>
            <Label className="text-xs">패널 제목</Label>
            <Input
              value={config.leftPanel?.title || ""}
              onChange={(e) => updateConfig("leftPanel.title", e.target.value)}
              placeholder="부서"
              className="h-9 text-sm"
            />
          </div>

          <div>
            <Label className="text-xs">테이블 선택</Label>
            <TableSelect
              value={config.leftPanel?.tableName || ""}
              onValueChange={(value) => updateConfig("leftPanel.tableName", value)}
              placeholder="테이블 선택"
              open={leftTableOpen}
              onOpenChange={setLeftTableOpen}
            />
          </div>

          {/* 표시 모드 설정 */}
          <div>
            <Label className="text-xs">표시 모드</Label>
            <Select
              value={config.leftPanel?.displayMode || "card"}
              onValueChange={(value) => updateConfig("leftPanel.displayMode", value)}
            >
              <SelectTrigger className="h-9 text-sm">
                <SelectValue />
              </SelectTrigger>
              <SelectContent>
                <SelectItem value="card">카드형</SelectItem>
                <SelectItem value="table">테이블형</SelectItem>
              </SelectContent>
            </Select>
          </div>

          {/* 컬럼 설정 버튼 */}
          <div className="border-t pt-3">
            <div className="flex items-center justify-between">
              <div>
                <Label className="text-xs font-medium">컬럼 설정</Label>
                <p className="text-muted-foreground text-[10px]">
                  표시 컬럼 {(config.leftPanel?.displayColumns || []).length}개
                  {config.leftPanel?.grouping?.enabled && " | 그룹핑 사용"}
                  {config.leftPanel?.showSearch && " | 검색 사용"}
                </p>
              </div>
              <Button
                size="sm"
                variant="outline"
                onClick={() => setLeftColumnModalOpen(true)}
                disabled={!config.leftPanel?.tableName}
              >
                <Columns className="mr-1 h-4 w-4" />
                설정
              </Button>
            </div>
          </div>

          {/* 액션 버튼 설정 */}
          <div className="border-t pt-3">
            <div className="flex items-center justify-between">
              <div>
                <Label className="text-xs font-medium">액션 버튼</Label>
                <p className="text-muted-foreground text-[10px]">
                  {(config.leftPanel?.actionButtons || []).length > 0
                    ? `${(config.leftPanel?.actionButtons || []).length}개 버튼`
                    : config.leftPanel?.showAddButton
                      ? "기본 추가 버튼"
                      : "없음"}
                </p>
              </div>
              <Button size="sm" variant="outline" onClick={() => setLeftActionButtonModalOpen(true)}>
                <MousePointerClick className="mr-1 h-4 w-4" />
                설정
              </Button>
            </div>
          </div>

          {/* 개별 수정/삭제 버튼 (좌측) */}
          <div className="border-t pt-3">
            <Label className="text-xs font-medium">개별 수정/삭제</Label>
            <p className="text-muted-foreground mb-2 text-[10px]">각 행에 표시되는 수정/삭제 버튼</p>
            <div className="space-y-2">
              <div className="flex items-center justify-between">
                <Label className="text-xs">수정 버튼</Label>
                <Switch
                  checked={config.leftPanel?.showEditButton || false}
                  onCheckedChange={(checked) => updateConfig("leftPanel.showEditButton", checked)}
                />
              </div>
              {/* 수정 버튼이 켜져 있을 때 모달 화면 선택 */}
              {config.leftPanel?.showEditButton && (
                <div className="ml-4 mt-1">
                  <Label className="text-xs">수정 모달 화면</Label>
                  <ScreenSelect
                    value={config.leftPanel?.editModalScreenId}
                    onValueChange={(value) => updateConfig("leftPanel.editModalScreenId", value)}
                    placeholder="수정 모달 화면 선택"
                    open={leftEditModalOpen}
                    onOpenChange={setLeftEditModalOpen}
                  />
                </div>
              )}
              <div className="flex items-center justify-between">
                <Label className="text-xs">삭제 버튼</Label>
                <Switch
                  checked={config.leftPanel?.showDeleteButton || false}
                  onCheckedChange={(checked) => updateConfig("leftPanel.showDeleteButton", checked)}
                />
              </div>
              {(config.leftPanel?.showEditButton || config.leftPanel?.showDeleteButton) && (
                <div className="mt-2">
                  <Label className="text-xs">기본키 컬럼</Label>
                  <ColumnSelect
                    columns={leftColumns}
                    value={config.leftPanel?.primaryKeyColumn || ""}
                    onValueChange={(value) => updateConfig("leftPanel.primaryKeyColumn", value)}
                    placeholder="기본키 컬럼 선택 (기본: id)"
                  />
                  <p className="text-muted-foreground mt-1 text-[10px]">
                    수정/삭제 시 레코드 식별에 사용
                  </p>
                </div>
              )}
            </div>
          </div>

          {/* 탭 설정 (좌측) */}
          <div className="border-t pt-3">
            <div className="flex items-center justify-between">
              <Label className="text-xs font-medium">탭 기능</Label>
              <Switch
                checked={config.leftPanel?.tabConfig?.enabled || false}
                onCheckedChange={(checked) => {
                  if (checked) {
                    updateConfig("leftPanel.tabConfig", {
                      enabled: true,
                      mode: "manual",
                      showCount: true,
                    });
                  } else {
                    updateConfig("leftPanel.tabConfig.enabled", false);
                  }
                }}
              />
            </div>
            {config.leftPanel?.tabConfig?.enabled && (
              <div className="mt-3 space-y-3 rounded-lg border p-3">
                {/* 그룹핑이 설정되어 있지 않으면 안내 메시지 */}
                {!config.leftPanel?.grouping?.enabled ? (
                  <div className="bg-destructive/10 text-destructive rounded-md p-2">
                    <p className="text-[10px]">
                      탭 기능을 사용하려면 컬럼 설정에서 그룹핑을 먼저 활성화해주세요.
                    </p>
                  </div>
                ) : (
                  <>
                    <div>
                      <Label className="text-xs">탭 소스 컬럼</Label>
                      <Select
                        value={config.leftPanel?.tabConfig?.tabSourceColumn || ""}
                        onValueChange={(value) => updateConfig("leftPanel.tabConfig.tabSourceColumn", value)}
                      >
                        <SelectTrigger className="h-8 text-xs">
                          <SelectValue placeholder="컬럼 선택..." />
                        </SelectTrigger>
                        <SelectContent>
                          {/* 그룹핑에 사용된 컬럼만 표시 */}
                          {config.leftPanel?.grouping?.groupByColumn && (
                            <SelectItem value={config.leftPanel.grouping.groupByColumn}>
                              {leftColumns.find(c => c.column_name === config.leftPanel?.grouping?.groupByColumn)?.column_comment || config.leftPanel.grouping.groupByColumn}
                              {" "}({config.leftPanel.grouping.groupByColumn})
                            </SelectItem>
                          )}
                          {/* 집계 설정된 컬럼들도 표시 */}
                          {(config.leftPanel?.displayColumns || [])
                            .filter(col => col.displayConfig?.aggregate?.enabled && col.name !== config.leftPanel?.grouping?.groupByColumn)
                            .map(col => (
                              <SelectItem key={col.name} value={col.name}>
                                {col.label || col.name} ({col.name})
                              </SelectItem>
                            ))
                          }
                        </SelectContent>
                      </Select>
                      <p className="text-muted-foreground mt-1 text-[10px]">
                        그룹핑/집계된 컬럼 중에서 선택
                      </p>
                    </div>
                    <div className="flex items-center justify-between">
                      <Label className="text-xs">개수 표시</Label>
                      <Switch
                        checked={config.leftPanel?.tabConfig?.showCount || false}
                        onCheckedChange={(checked) => updateConfig("leftPanel.tabConfig.showCount", checked)}
                      />
                    </div>
                  </>
                )}
              </div>
            )}
          </div>

          {/* 추가 조인 테이블 설정 (좌측) */}
          <div className="border-t pt-3">
            <div className="flex items-center justify-between">
              <Label className="text-xs font-medium">추가 조인 테이블</Label>
              <Button
                size="sm"
                variant="ghost"
                className="h-6 text-xs"
                onClick={() => {
                  const current = config.leftPanel?.joinTables || [];
                  updateConfig("leftPanel.joinTables", [
                    ...current,
                    {
                      joinTable: "",
                      joinType: "LEFT",
                      mainColumn: "",
                      joinColumn: "",
                      selectColumns: [],
                    },
                  ]);
                }}
              >
                <Plus className="mr-1 h-3 w-3" />
                추가
              </Button>
            </div>
            <p className="text-muted-foreground mt-1 text-[10px]">
              다른 테이블을 조인하면 표시할 컬럼에서 해당 테이블의 컬럼도 선택할 수 있습니다.
            </p>
            {(config.leftPanel?.joinTables || []).length > 0 && (
              <div className="mt-2 space-y-2">
                {(config.leftPanel?.joinTables || []).map((joinTable, index) => (
                  <JoinTableItem
                    key={index}
                    index={index}
                    joinTable={joinTable}
                    tables={tables}
                    mainTableColumns={leftColumns}
                    onUpdate={(fieldOrPartial, value) => {
                      const current = [...(config.leftPanel?.joinTables || [])];
                      if (typeof fieldOrPartial === "object") {
                        current[index] = { ...current[index], ...fieldOrPartial };
                      } else {
                        current[index] = { ...current[index], [fieldOrPartial]: value };
                      }
                      updateConfig("leftPanel.joinTables", current);
                    }}
                    onRemove={() => {
                      const current = config.leftPanel?.joinTables || [];
                      updateConfig(
                        "leftPanel.joinTables",
                        current.filter((_, i) => i !== index),
                      );
                    }}
                  />
                ))}
              </div>
            )}
          </div>
        </div>
      </div>

      {/* 우측 패널 설정 */}
      <div className="space-y-4">
        <h4 className="border-b pb-2 text-sm font-medium">우측 패널 설정 (상세)</h4>

        <div className="space-y-3">
          <div>
            <Label className="text-xs">패널 제목</Label>
            <Input
              value={config.rightPanel?.title || ""}
              onChange={(e) => updateConfig("rightPanel.title", e.target.value)}
              placeholder="사원"
              className="h-9 text-sm"
            />
          </div>

          <div>
            <Label className="text-xs">테이블 선택</Label>
            <TableSelect
              value={config.rightPanel?.tableName || ""}
              onValueChange={(value) => updateConfig("rightPanel.tableName", value)}
              placeholder="테이블 선택"
              open={rightTableOpen}
              onOpenChange={setRightTableOpen}
            />
          </div>

          {/* 표시 모드 설정 */}
          <div>
            <Label className="text-xs">표시 모드</Label>
            <Select
              value={config.rightPanel?.displayMode || "card"}
              onValueChange={(value) => updateConfig("rightPanel.displayMode", value)}
            >
              <SelectTrigger className="h-9 text-sm">
                <SelectValue />
              </SelectTrigger>
              <SelectContent>
                <SelectItem value="card">카드형</SelectItem>
                <SelectItem value="table">테이블형</SelectItem>
              </SelectContent>
            </Select>
          </div>

          {/* 추가 조인 테이블 설정 */}
          <div className="space-y-2">
            <div className="flex items-center justify-between">
              <Label className="text-xs">추가 조인 테이블</Label>
              <Button
                size="sm"
                variant="ghost"
                className="h-6 text-xs"
                onClick={() => {
                  const current = config.rightPanel?.joinTables || [];
                  updateConfig("rightPanel.joinTables", [
                    ...current,
                    {
                      joinTable: "",
                      joinType: "LEFT",
                      mainColumn: "",
                      joinColumn: "",
                      selectColumns: [],
                    },
                  ]);
                }}
              >
                <Plus className="mr-1 h-3 w-3" />
                추가
              </Button>
            </div>
            <p className="text-muted-foreground text-[10px]">
              다른 테이블을 조인하면 표시할 컬럼에서 해당 테이블의 컬럼도 선택할 수 있습니다.
            </p>
            <div className="space-y-2">
              {(config.rightPanel?.joinTables || []).map((joinTable, index) => (
                <JoinTableItem
                  key={index}
                  index={index}
                  joinTable={joinTable}
                  tables={tables}
                  mainTableColumns={rightColumns}
                  onUpdate={(fieldOrPartial, value) => {
                    const current = [...(config.rightPanel?.joinTables || [])];
                    if (typeof fieldOrPartial === "object") {
                      // 여러 필드를 한 번에 업데이트
                      current[index] = { ...current[index], ...fieldOrPartial };
                    } else {
                      // 단일 필드 업데이트
                      current[index] = { ...current[index], [fieldOrPartial]: value };
                    }
                    updateConfig("rightPanel.joinTables", current);
                  }}
                  onRemove={() => {
                    const current = config.rightPanel?.joinTables || [];
                    updateConfig(
                      "rightPanel.joinTables",
                      current.filter((_, i) => i !== index),
                    );
                  }}
                />
              ))}
            </div>
          </div>

          {/* 컬럼 설정 버튼 */}
          <div className="border-t pt-3">
            <div className="flex items-center justify-between">
              <div>
                <Label className="text-xs font-medium">컬럼 설정</Label>
                <p className="text-muted-foreground text-[10px]">
                  표시 컬럼 {(config.rightPanel?.displayColumns || []).length}개
                  {config.rightPanel?.showSearch && " | 검색 사용"}
                </p>
              </div>
              <Button
                size="sm"
                variant="outline"
                onClick={() => setRightColumnModalOpen(true)}
                disabled={!config.rightPanel?.tableName}
              >
                <Columns className="mr-1 h-4 w-4" />
                설정
              </Button>
            </div>
          </div>

          {/* 액션 버튼 설정 */}
          <div className="border-t pt-3">
            <div className="flex items-center justify-between">
              <div>
                <Label className="text-xs font-medium">액션 버튼</Label>
                <p className="text-muted-foreground text-[10px]">
                  {(config.rightPanel?.actionButtons || []).length > 0
                    ? `${(config.rightPanel?.actionButtons || []).length}개 버튼`
                    : config.rightPanel?.showAddButton
                      ? "기본 추가 버튼"
                      : "없음"}
                </p>
              </div>
              <Button size="sm" variant="outline" onClick={() => setRightActionButtonModalOpen(true)}>
                <MousePointerClick className="mr-1 h-4 w-4" />
                설정
              </Button>
            </div>
          </div>

          {/* 개별 수정/삭제 버튼 */}
          <div className="border-t pt-3">
            <Label className="text-xs font-medium">개별 수정/삭제</Label>
            <p className="text-muted-foreground mb-2 text-[10px]">각 행에 표시되는 수정/삭제 버튼</p>
            <div className="space-y-2">
              <div className="flex items-center justify-between">
                <Label className="text-xs">수정 버튼</Label>
                <Switch
                  checked={config.rightPanel?.showEditButton || false}
                  onCheckedChange={(checked) => updateConfig("rightPanel.showEditButton", checked)}
                />
              </div>
              {/* 수정 버튼이 켜져 있을 때 모달 화면 선택 */}
              {config.rightPanel?.showEditButton && (
                <div className="ml-4 mt-1">
                  <Label className="text-xs">수정 모달 화면</Label>
                  <ScreenSelect
                    value={config.rightPanel?.editModalScreenId}
                    onValueChange={(value) => updateConfig("rightPanel.editModalScreenId", value)}
                    placeholder="수정 모달 화면 선택"
                    open={rightEditModalOpen}
                    onOpenChange={setRightEditModalOpen}
                  />
                </div>
              )}
              <div className="flex items-center justify-between">
                <Label className="text-xs">삭제 버튼</Label>
                <Switch
                  checked={config.rightPanel?.showDeleteButton || false}
                  onCheckedChange={(checked) => updateConfig("rightPanel.showDeleteButton", checked)}
                />
              </div>
              {(config.rightPanel?.showEditButton || config.rightPanel?.showDeleteButton) && (
                <div className="mt-2">
                  <Label className="text-xs">기본키 컬럼</Label>
                  <ColumnSelect
                    columns={rightColumns}
                    value={config.rightPanel?.primaryKeyColumn || ""}
                    onValueChange={(value) => updateConfig("rightPanel.primaryKeyColumn", value)}
                    placeholder="기본키 컬럼 선택 (기본: id)"
                  />
                  <p className="text-muted-foreground mt-1 text-[10px]">
                    수정/삭제 시 레코드 식별에 사용
                  </p>
                </div>
              )}
              
              {/* 수정 시 메인 테이블 조회 설정 */}
              {config.rightPanel?.showEditButton && (
                <div className="mt-3 border-t pt-3">
                  <div className="flex items-center justify-between mb-2">
                    <Label className="text-xs font-medium">수정 시 메인 테이블 조회</Label>
                    <Switch
                      checked={!!config.rightPanel?.mainTableForEdit?.tableName}
                      onCheckedChange={(checked) => {
                        if (checked) {
                          updateConfig("rightPanel.mainTableForEdit", {
                            tableName: "",
                            linkColumn: { mainColumn: "", subColumn: "" },
                          });
                        } else {
                          updateConfig("rightPanel.mainTableForEdit", undefined);
                        }
                      }}
                    />
                  </div>
                  <p className="text-muted-foreground mb-2 text-[10px]">
                    우측 패널이 서브 테이블일 때, 수정 모달에 메인 테이블 데이터도 함께 전달
                  </p>
                  
                  {config.rightPanel?.mainTableForEdit && (
                    <div className="space-y-2 rounded-lg border p-2 bg-muted/30">
                      <div>
                        <Label className="text-[10px]">메인 테이블</Label>
                        <Input
                          value={config.rightPanel.mainTableForEdit.tableName || ""}
                          onChange={(e) => updateConfig("rightPanel.mainTableForEdit.tableName", e.target.value)}
                          placeholder="예: user_info"
                          className="h-7 text-xs mt-1"
                        />
                      </div>
                      <div className="grid grid-cols-2 gap-2">
                        <div>
                          <Label className="text-[10px]">메인 테이블 연결 컬럼</Label>
                          <Input
                            value={config.rightPanel.mainTableForEdit.linkColumn?.mainColumn || ""}
                            onChange={(e) => updateConfig("rightPanel.mainTableForEdit.linkColumn.mainColumn", e.target.value)}
                            placeholder="예: user_id"
                            className="h-7 text-xs mt-1"
                          />
                        </div>
                        <div>
                          <Label className="text-[10px]">서브 테이블 연결 컬럼</Label>
                          <Input
                            value={config.rightPanel.mainTableForEdit.linkColumn?.subColumn || ""}
                            onChange={(e) => updateConfig("rightPanel.mainTableForEdit.linkColumn.subColumn", e.target.value)}
                            placeholder="예: user_id"
                            className="h-7 text-xs mt-1"
                          />
                        </div>
                      </div>
                    </div>
                  )}
                </div>
              )}
            </div>
          </div>

          {/* 탭 설정 (우측) */}
          <div className="border-t pt-3">
            <div className="flex items-center justify-between">
              <Label className="text-xs font-medium">탭 기능</Label>
              <Switch
                checked={config.rightPanel?.tabConfig?.enabled || false}
                onCheckedChange={(checked) => {
                  if (checked) {
                    updateConfig("rightPanel.tabConfig", {
                      enabled: true,
                      mode: "manual",
                      showCount: true,
                    });
                  } else {
                    updateConfig("rightPanel.tabConfig.enabled", false);
                  }
                }}
              />
            </div>
            {config.rightPanel?.tabConfig?.enabled && (
              <div className="mt-3 space-y-3 rounded-lg border p-3">
                <div>
                  <Label className="text-xs">탭 소스 컬럼</Label>
                  <SearchableColumnSelect
                    columns={rightColumns}
                    value={config.rightPanel?.tabConfig?.tabSourceColumn || ""}
                    onValueChange={(value) => updateConfig("rightPanel.tabConfig.tabSourceColumn", value)}
                    placeholder="컬럼 선택..."
                    disabled={!config.rightPanel?.tableName}
                  />
                  <p className="text-muted-foreground mt-1 text-[10px]">
                    선택한 컬럼의 고유값으로 탭이 생성됩니다
                  </p>
                </div>
                <div className="flex items-center justify-between">
                  <Label className="text-xs">개수 표시</Label>
                  <Switch
                    checked={config.rightPanel?.tabConfig?.showCount || false}
                    onCheckedChange={(checked) => updateConfig("rightPanel.tabConfig.showCount", checked)}
                  />
                </div>
              </div>
            )}
          </div>

          {/* 기타 옵션들 - 접힌 상태로 표시 */}
          <details className="border-t pt-3">
            <summary className="cursor-pointer text-xs font-medium mb-2">추가 옵션</summary>
            <div className="space-y-3 pl-2">
              {/* 카드 모드 전용 옵션 */}
              {(config.rightPanel?.displayMode || "card") === "card" && (
                <div className="flex items-center justify-between">
                  <div>
                    <Label className="text-xs">라벨 표시</Label>
                    <p className="text-muted-foreground text-[10px]">라벨: 값 형식으로 표시</p>
                  </div>
                  <Switch
                    checked={config.rightPanel?.showLabels || false}
                    onCheckedChange={(checked) => updateConfig("rightPanel.showLabels", checked)}
                  />
                </div>
              )}

              {/* 체크박스 표시 */}
              <div className="flex items-center justify-between">
                <div>
                  <Label className="text-xs">체크박스 표시</Label>
                  <p className="text-muted-foreground text-[10px]">항목 선택 기능 활성화</p>
                </div>
                <Switch
                  checked={config.rightPanel?.showCheckbox || false}
                  onCheckedChange={(checked) => updateConfig("rightPanel.showCheckbox", checked)}
                />
              </div>
            </div>
          </details>
        </div>
      </div>

      {/* 연결 설정 */}
      <div className="space-y-4">
        <div className="flex items-center justify-between border-b pb-2">
          <h4 className="text-sm font-medium">연결 설정 (조인)</h4>
          <Button
            size="sm"
            variant="ghost"
            className="h-6 text-xs"
            onClick={() => {
              const currentKeys = config.joinConfig?.keys || [];
              // 단일키에서 복합키로 전환 시 기존 값 유지
              if (currentKeys.length === 0 && config.joinConfig?.leftColumn && config.joinConfig?.rightColumn) {
                updateConfig("joinConfig.keys", [
                  { leftColumn: config.joinConfig.leftColumn, rightColumn: config.joinConfig.rightColumn },
                  { leftColumn: "", rightColumn: "" },
                ]);
              } else {
                updateConfig("joinConfig.keys", [...currentKeys, { leftColumn: "", rightColumn: "" }]);
              }
            }}
          >
            <Plus className="mr-1 h-3 w-3" />
            조인 키 추가
          </Button>
        </div>

        {/* 설명 */}
        <div className="bg-muted/50 text-muted-foreground rounded-md p-3 text-xs">
          <p className="text-foreground mb-1 font-medium">좌측 패널 선택 시 우측 패널 데이터 필터링</p>
          <p>좌측에서 항목을 선택하면 좌측 조인 컬럼의 값으로 우측 테이블을 필터링합니다.</p>
          <p className="mt-1 text-[10px]">예: 부서(dept_code) 선택 시 해당 부서의 사원만 표시</p>
          <p className="mt-1 text-[10px] text-blue-600">복합키: 여러 컬럼으로 조인 (예: item_code + lot_number)</p>
        </div>

        <div className="space-y-3">
          {/* 복합키가 설정된 경우 */}
          {(config.joinConfig?.keys || []).length > 0 ? (
            <>
              {(config.joinConfig?.keys || []).map((key, index) => (
                <div key={index} className="space-y-2 rounded-md border p-3">
                  <div className="flex items-center justify-between">
                    <span className="text-xs font-medium">조인 키 {index + 1}</span>
                    <Button
                      size="sm"
                      variant="ghost"
                      className="text-destructive h-6 w-6 p-0"
                      onClick={() => {
                        const newKeys = (config.joinConfig?.keys || []).filter((_, i) => i !== index);
                        updateConfig("joinConfig.keys", newKeys);
                      }}
                    >
                      <X className="h-3 w-3" />
                    </Button>
                  </div>
                  <div className="grid grid-cols-2 gap-2">
                    <div>
                      <Label className="text-xs">좌측 컬럼</Label>
                      <ColumnSelect
                        columns={leftColumns}
                        value={key.leftColumn || ""}
                        onValueChange={(value) => {
                          const newKeys = [...(config.joinConfig?.keys || [])];
                          newKeys[index] = { ...newKeys[index], leftColumn: value };
                          updateConfig("joinConfig.keys", newKeys);
                        }}
                        placeholder="좌측 컬럼"
                      />
                    </div>
                    <div>
                      <Label className="text-xs">우측 컬럼</Label>
                      <ColumnSelect
                        columns={rightColumns}
                        value={key.rightColumn || ""}
                        onValueChange={(value) => {
                          const newKeys = [...(config.joinConfig?.keys || [])];
                          newKeys[index] = { ...newKeys[index], rightColumn: value };
                          updateConfig("joinConfig.keys", newKeys);
                        }}
                        placeholder="우측 컬럼"
                      />
                    </div>
                  </div>
                </div>
              ))}
            </>
          ) : (
            /* 단일키 (하위 호환성) */
            <>
              <div>
                <Label className="text-xs">좌측 테이블 조인 컬럼</Label>
                <ColumnSelect
                  columns={leftColumns}
                  value={config.joinConfig?.leftColumn || ""}
                  onValueChange={(value) => updateConfig("joinConfig.leftColumn", value)}
                  placeholder="조인 컬럼 선택"
                />
              </div>

              <div>
                <Label className="text-xs">우측 테이블 조인 컬럼</Label>
                <ColumnSelect
                  columns={rightColumns}
                  value={config.joinConfig?.rightColumn || ""}
                  onValueChange={(value) => updateConfig("joinConfig.rightColumn", value)}
                  placeholder="조인 컬럼 선택"
                />
              </div>
            </>
          )}
        </div>
      </div>

      {/* 데이터 전달 설정 */}
      <div className="space-y-3">
        <h4 className="border-b pb-2 text-sm font-medium">데이터 전달 설정</h4>

        <p className="text-muted-foreground text-[10px]">
          버튼 클릭 시 모달에 전달할 데이터를 설정합니다.
        </p>

        {/* 좌측 패널 버튼 */}
        {(config.leftPanel?.actionButtons || []).length > 0 && (
          <div className="space-y-2">
            <Label className="text-[10px] text-muted-foreground">좌측 패널 버튼</Label>
            <div className="space-y-1">
              {(config.leftPanel?.actionButtons || []).map((btn) => {
                // 이 버튼에 대한 데이터 전달 설정 찾기
                const transferConfig = (config.buttonDataTransfers || []).find(
                  (t) => t.targetPanel === "left" && t.targetButtonId === btn.id
                );
                const transferIndex = transferConfig
                  ? (config.buttonDataTransfers || []).findIndex((t) => t.id === transferConfig.id)
                  : -1;

                return (
                  <div
                    key={btn.id}
                    className="flex items-center justify-between rounded-md border p-2"
                  >
                    <div className="min-w-0 flex-1">
                      <div className="flex items-center gap-2">
                        <span className="truncate text-xs font-medium">{btn.label}</span>
                        <span className="text-muted-foreground shrink-0 text-[10px]">
                          ({btn.action || "add"})
                        </span>
                      </div>
                      {transferConfig && transferConfig.fields.length > 0 && (
                        <div className="text-muted-foreground truncate text-[10px]">
                          {transferConfig.fields.length}개 필드: {transferConfig.fields.map((f) => f.sourceColumn).join(", ")}
                        </div>
                      )}
                    </div>
                    <Button
                      size="sm"
                      variant={transferConfig ? "outline" : "ghost"}
                      className="ml-2 h-7 shrink-0 text-[10px]"
                      onClick={() => {
                        if (transferConfig) {
                          // 기존 설정 편집
                          setEditingTransferIndex(transferIndex);
                          setDataTransferModalOpen(true);
                        } else {
                          // 새 설정 추가 후 모달 열기
                          const newId = `transfer_${Date.now()}`;
                          const newTransfer = {
                            id: newId,
                            targetPanel: "left" as const,
                            targetButtonId: btn.id,
                            fields: [],
                          };
                          const newTransfers = [...(config.buttonDataTransfers || []), newTransfer];
                          updateConfig("buttonDataTransfers", newTransfers);
                          // 새로 추가된 항목의 인덱스
                          setTimeout(() => {
                            setEditingTransferIndex(newTransfers.length - 1);
                            setDataTransferModalOpen(true);
                          }, 0);
                        }
                      }}
                    >
                      <Settings className="mr-1 h-3 w-3" />
                      {transferConfig ? "설정 편집" : "설정"}
                    </Button>
                  </div>
                );
              })}
            </div>
          </div>
        )}

        {/* 우측 패널 버튼 */}
        {(config.rightPanel?.actionButtons || []).length > 0 && (
          <div className="space-y-2">
            <Label className="text-[10px] text-muted-foreground">우측 패널 버튼</Label>
            <div className="space-y-1">
              {(config.rightPanel?.actionButtons || []).map((btn) => {
                // 이 버튼에 대한 데이터 전달 설정 찾기
                const transferConfig = (config.buttonDataTransfers || []).find(
                  (t) => t.targetPanel === "right" && t.targetButtonId === btn.id
                );
                const transferIndex = transferConfig
                  ? (config.buttonDataTransfers || []).findIndex((t) => t.id === transferConfig.id)
                  : -1;

                return (
                  <div
                    key={btn.id}
                    className="flex items-center justify-between rounded-md border p-2"
                  >
                    <div className="min-w-0 flex-1">
                      <div className="flex items-center gap-2">
                        <span className="truncate text-xs font-medium">{btn.label}</span>
                        <span className="text-muted-foreground shrink-0 text-[10px]">
                          ({btn.action || "add"})
                        </span>
                      </div>
                      {transferConfig && transferConfig.fields.length > 0 && (
                        <div className="text-muted-foreground truncate text-[10px]">
                          {transferConfig.fields.length}개 필드: {transferConfig.fields.map((f) => f.sourceColumn).join(", ")}
                        </div>
                      )}
                    </div>
                    <Button
                      size="sm"
                      variant={transferConfig ? "outline" : "ghost"}
                      className="ml-2 h-7 shrink-0 text-[10px]"
                      onClick={() => {
                        if (transferConfig) {
                          // 기존 설정 편집
                          setEditingTransferIndex(transferIndex);
                          setDataTransferModalOpen(true);
                        } else {
                          // 새 설정 추가 후 모달 열기
                          const newId = `transfer_${Date.now()}`;
                          const newTransfer = {
                            id: newId,
                            targetPanel: "right" as const,
                            targetButtonId: btn.id,
                            fields: [],
                          };
                          const newTransfers = [...(config.buttonDataTransfers || []), newTransfer];
                          updateConfig("buttonDataTransfers", newTransfers);
                          // 새로 추가된 항목의 인덱스
                          setTimeout(() => {
                            setEditingTransferIndex(newTransfers.length - 1);
                            setDataTransferModalOpen(true);
                          }, 0);
                        }
                      }}
                    >
                      <Settings className="mr-1 h-3 w-3" />
                      {transferConfig ? "설정 편집" : "설정"}
                    </Button>
                  </div>
                );
              })}
            </div>
          </div>
        )}

        {/* 버튼이 없을 때 */}
        {(config.leftPanel?.actionButtons || []).length === 0 &&
          (config.rightPanel?.actionButtons || []).length === 0 && (
            <div className="text-muted-foreground rounded-md border py-4 text-center text-xs">
              설정된 버튼이 없습니다. 먼저 좌측/우측 패널에서 액션 버튼을 추가하세요.
            </div>
          )}
      </div>

      {/* 데이터 전달 상세 설정 모달 */}
      <DataTransferDetailModal
        open={dataTransferModalOpen}
        onOpenChange={setDataTransferModalOpen}
        config={config}
        editingIndex={editingTransferIndex}
        leftColumns={leftColumns}
        onSave={(fields) => {
          if (editingTransferIndex !== null) {
            const current = [...(config.buttonDataTransfers || [])];
            current[editingTransferIndex] = { ...current[editingTransferIndex], fields };
            updateConfig("buttonDataTransfers", current);
          }
          setDataTransferModalOpen(false);
          setEditingTransferIndex(null);
        }}
      />

      {/* 레이아웃 설정 */}
      <div className="space-y-4">
        <h4 className="border-b pb-2 text-sm font-medium">레이아웃 설정</h4>

        <div className="space-y-3">
          <div>
            <Label className="text-xs">좌우 비율 (좌측 %)</Label>
            <Input
              type="number"
              value={config.splitRatio || 30}
              onChange={(e) => updateConfig("splitRatio", parseInt(e.target.value) || 30)}
              min={10}
              max={90}
              className="h-9 text-sm"
            />
          </div>

          <div className="flex items-center justify-between">
            <Label className="text-xs">크기 조절 가능</Label>
            <Switch
              checked={config.resizable !== false}
              onCheckedChange={(checked) => updateConfig("resizable", checked)}
            />
          </div>

          <div className="flex items-center justify-between">
            <Label className="text-xs">자동 데이터 로드</Label>
            <Switch
              checked={config.autoLoad !== false}
              onCheckedChange={(checked) => updateConfig("autoLoad", checked)}
            />
          </div>
        </div>
      </div>

      {/* 컬럼 세부설정 모달 */}
      <Dialog open={columnConfigModalOpen} onOpenChange={setColumnConfigModalOpen}>
        <DialogContent className="max-w-[95vw] sm:max-w-[400px]">
          <DialogHeader>
            <DialogTitle className="text-base sm:text-lg">컬럼 세부설정</DialogTitle>
            <DialogDescription className="text-xs sm:text-sm">
              {editingColumnIndex !== null &&
                config.leftPanel?.displayColumns?.[editingColumnIndex] &&
                `${config.leftPanel.displayColumns[editingColumnIndex].label || config.leftPanel.displayColumns[editingColumnIndex].name} 컬럼의 표시 방식을 설정합니다.`}
            </DialogDescription>
          </DialogHeader>

          <div className="space-y-4">
            {/* 표시 방식 */}
            <div>
              <Label className="text-xs sm:text-sm">표시 방식</Label>
              <Select
                value={editingColumnConfig.displayType}
                onValueChange={(value: "text" | "badge") => {
                  setEditingColumnConfig((prev) => ({
                    ...prev,
                    displayType: value,
                  }));
                }}
              >
                <SelectTrigger className="mt-1 h-8 text-xs sm:h-10 sm:text-sm">
                  <SelectValue />
                </SelectTrigger>
                <SelectContent>
                  <SelectItem value="text">텍스트 (기본)</SelectItem>
                  <SelectItem value="badge">배지 (태그 형태)</SelectItem>
                </SelectContent>
              </Select>
              <p className="text-muted-foreground mt-1 text-[10px] sm:text-xs">
                배지는 여러 값을 태그 형태로 나란히 표시합니다
              </p>
            </div>

            {/* 집계 설정 */}
            <div className="space-y-3 rounded-md border p-3">
              <div className="flex items-center justify-between">
                <div>
                  <Label className="text-xs sm:text-sm">집계 사용</Label>
                  <p className="text-muted-foreground text-[10px] sm:text-xs">그룹핑 시 값을 집계합니다</p>
                </div>
                <Switch
                  checked={editingColumnConfig.aggregate?.enabled || false}
                  onCheckedChange={(checked) => {
                    setEditingColumnConfig((prev) => ({
                      ...prev,
                      aggregate: {
                        enabled: checked,
                        function: prev.aggregate?.function || "DISTINCT",
                      },
                    }));
                  }}
                />
              </div>

              {editingColumnConfig.aggregate?.enabled && (
                <div>
                  <Label className="text-muted-foreground text-xs">집계 방식</Label>
                  <Select
                    value={editingColumnConfig.aggregate?.function || "DISTINCT"}
                    onValueChange={(value: "DISTINCT" | "COUNT") => {
                      setEditingColumnConfig((prev) => ({
                        ...prev,
                        aggregate: {
                          enabled: true,
                          function: value,
                        },
                      }));
                    }}
                  >
                    <SelectTrigger className="mt-1 h-8 text-xs sm:h-10 sm:text-sm">
                      <SelectValue />
                    </SelectTrigger>
                    <SelectContent>
                      <SelectItem value="DISTINCT">중복제거 (고유값만)</SelectItem>
                      <SelectItem value="COUNT">개수</SelectItem>
                    </SelectContent>
                  </Select>
                  <p className="text-muted-foreground mt-1 text-[10px] sm:text-xs">
                    {editingColumnConfig.aggregate?.function === "DISTINCT"
                      ? "중복을 제거하고 고유한 값들만 배열로 표시합니다"
                      : "값의 개수를 숫자로 표시합니다"}
                  </p>
                </div>
              )}
            </div>
          </div>

          <DialogFooter className="gap-2 sm:gap-0">
            <Button
              variant="outline"
              onClick={() => setColumnConfigModalOpen(false)}
              className="h-8 flex-1 text-xs sm:h-10 sm:flex-none sm:text-sm"
            >
              취소
            </Button>
            <Button onClick={handleSaveColumnConfig} className="h-8 flex-1 text-xs sm:h-10 sm:flex-none sm:text-sm">
              적용
            </Button>
          </DialogFooter>
        </DialogContent>
      </Dialog>

      {/* 좌측 패널 컬럼 설정 모달 */}
      <ColumnConfigModal
        open={leftColumnModalOpen}
        onOpenChange={setLeftColumnModalOpen}
        tableName={config.leftPanel?.tableName || ""}
        displayColumns={config.leftPanel?.displayColumns || []}
        searchColumns={config.leftPanel?.searchColumns}
        grouping={config.leftPanel?.grouping}
        showSearch={config.leftPanel?.showSearch}
        onSave={handleLeftColumnConfigSave}
        side="left"
      />

      {/* 좌측 패널 액션 버튼 설정 모달 */}
      <ActionButtonConfigModal
        open={leftActionButtonModalOpen}
        onOpenChange={setLeftActionButtonModalOpen}
        actionButtons={config.leftPanel?.actionButtons || []}
        displayColumns={config.leftPanel?.displayColumns}
        onSave={handleLeftActionButtonSave}
        side="left"
      />

      {/* 우측 패널 컬럼 설정 모달 */}
      <ColumnConfigModal
        open={rightColumnModalOpen}
        onOpenChange={setRightColumnModalOpen}
        tableName={config.rightPanel?.tableName || ""}
        displayColumns={config.rightPanel?.displayColumns || []}
        searchColumns={config.rightPanel?.searchColumns}
        showSearch={config.rightPanel?.showSearch}
        onSave={handleRightColumnConfigSave}
        side="right"
      />

      {/* 우측 패널 액션 버튼 설정 모달 */}
      <ActionButtonConfigModal
        open={rightActionButtonModalOpen}
        onOpenChange={setRightActionButtonModalOpen}
        actionButtons={config.rightPanel?.actionButtons || []}
        displayColumns={config.rightPanel?.displayColumns}
        onSave={handleRightActionButtonSave}
        side="right"
      />
    </div>
  );
};

// 데이터 전달 상세 설정 모달 컴포넌트
interface DataTransferDetailModalProps {
  open: boolean;
  onOpenChange: (open: boolean) => void;
  config: SplitPanelLayout2Config;
  editingIndex: number | null;
  leftColumns: ColumnInfo[];
  onSave: (fields: DataTransferField[]) => void;
}

const DataTransferDetailModal: React.FC<DataTransferDetailModalProps> = ({
  open,
  onOpenChange,
  config,
  editingIndex,
  leftColumns,
  onSave,
}) => {
  const [fields, setFields] = useState<DataTransferField[]>([]);

  // 모달 열릴 때 현재 설정 로드
  useEffect(() => {
    if (open && editingIndex !== null) {
      const transfer = config.buttonDataTransfers?.[editingIndex];
      setFields(transfer?.fields || []);
    }
  }, [open, editingIndex, config.buttonDataTransfers]);

  const transfer = editingIndex !== null ? config.buttonDataTransfers?.[editingIndex] : null;

  // 소스 컬럼: 대상 패널에 따라 반대 패널의 컬럼 사용
  // left 패널 버튼이면 -> left 패널 데이터를 모달에 전달 (좌측 컬럼이 소스)
  // right 패널 버튼이면 -> left 패널 데이터를 모달에 전달 (좌측 컬럼이 소스, 또는 right 컬럼)
  const sourceColumns = transfer?.targetPanel === "right" ? leftColumns : leftColumns;

  const addField = () => {
    setFields([...fields, { sourceColumn: "", targetColumn: "" }]);
  };

  const removeField = (index: number) => {
    setFields(fields.filter((_, i) => i !== index));
  };

  const updateField = (index: number, key: keyof DataTransferField, value: string) => {
    const newFields = [...fields];
    newFields[index] = { ...newFields[index], [key]: value };
    setFields(newFields);
  };

  const targetButton =
    transfer?.targetPanel === "left"
      ? config.leftPanel?.actionButtons?.find((btn) => btn.id === transfer.targetButtonId)
      : config.rightPanel?.actionButtons?.find((btn) => btn.id === transfer?.targetButtonId);

  return (
    <Dialog open={open} onOpenChange={onOpenChange}>
      <DialogContent className="flex max-h-[85vh] max-w-[95vw] flex-col sm:max-w-[550px]">
        <DialogHeader>
          <DialogTitle className="text-base sm:text-lg">데이터 전달 상세 설정</DialogTitle>
          <DialogDescription className="text-xs sm:text-sm">
            {transfer?.targetPanel === "left" ? "좌측" : "우측"} 패널의 "{targetButton?.label || "버튼"}" 클릭 시 모달에
            전달할 데이터를 설정합니다.
          </DialogDescription>
        </DialogHeader>

        <ScrollArea className="max-h-[50vh] flex-1">
          <div className="space-y-3 pr-4">
            <div className="flex items-center justify-between">
              <Label className="text-xs font-medium">전달할 필드</Label>
              <Button size="sm" variant="ghost" className="h-6 text-xs" onClick={addField}>
                <Plus className="mr-1 h-3 w-3" />
                추가
              </Button>
            </div>

            <div className="bg-muted/50 rounded-md p-2 text-[10px]">
              <p className="font-medium">소스 컬럼: 선택된 항목에서 가져올 컬럼</p>
              <p>타겟 컬럼: 모달 폼에 전달할 필드명</p>
            </div>

            <div className="space-y-2">
              {fields.map((field, index) => (
                <div key={index} className="flex items-center gap-2 rounded-md border p-2">
                  <div className="flex-1">
                    <Select value={field.sourceColumn} onValueChange={(value) => updateField(index, "sourceColumn", value)}>
                      <SelectTrigger className="h-8 text-xs">
                        <SelectValue placeholder="소스 컬럼" />
                      </SelectTrigger>
                      <SelectContent>
                        {sourceColumns.map((col) => (
                          <SelectItem key={col.column_name} value={col.column_name}>
                            {col.column_comment || col.column_name} ({col.column_name})
                          </SelectItem>
                        ))}
                      </SelectContent>
                    </Select>
                  </div>
                  <span className="text-muted-foreground text-xs">-&gt;</span>
                  <div className="flex-1">
                    <Input
                      value={field.targetColumn}
                      onChange={(e) => updateField(index, "targetColumn", e.target.value)}
                      placeholder="타겟 컬럼"
                      className="h-8 text-xs"
                    />
                  </div>
                  <Button size="sm" variant="ghost" className="h-6 w-6 shrink-0 p-0" onClick={() => removeField(index)}>
                    <X className="h-3 w-3" />
                  </Button>
                </div>
              ))}

              {fields.length === 0 && (
                <div className="text-muted-foreground rounded-md border py-4 text-center text-xs">
                  전달할 필드가 없습니다. 추가 버튼을 클릭하세요.
                </div>
              )}
            </div>
          </div>
        </ScrollArea>

        <DialogFooter className="gap-2 sm:gap-0">
          <Button variant="outline" onClick={() => onOpenChange(false)} className="h-8 text-xs sm:h-10 sm:text-sm">
            취소
          </Button>
          <Button onClick={() => onSave(fields)} className="h-8 text-xs sm:h-10 sm:text-sm">
            저장
          </Button>
        </DialogFooter>
      </DialogContent>
    </Dialog>
  );
};

export default SplitPanelLayout2ConfigPanel;