"use client";

import React, { useState, useEffect } from "react";
import { Dialog, DialogContent, DialogHeader, DialogTitle, DialogFooter } from "@/components/ui/dialog";
import { Button } from "@/components/ui/button";
import { Input } from "@/components/ui/input";
import { Label } from "@/components/ui/label";
import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
import { Badge } from "@/components/ui/badge";
import { Textarea } from "@/components/ui/textarea";
import { Link, Key, Save, Globe, Plus, Zap, Trash2 } from "lucide-react";
import { DataFlowAPI, TableRelationship, TableInfo, ColumnInfo, ConditionNode } from "@/lib/api/dataflow";
import toast from "react-hot-toast";

// 연결 정보 타입
interface ConnectionInfo {
  fromNode: {
    id: string;
    tableName: string;
    displayName: string;
  };
  toNode: {
    id: string;
    tableName: string;
    displayName: string;
  };
  fromColumn?: string;
  toColumn?: string;
  selectedColumnsData?: {
    [tableName: string]: {
      displayName: string;
      columns: string[];
    };
  };
  existingRelationship?: {
    relationshipName: string;
    relationshipType: string;
    connectionType: string;
    settings?: Record<string, unknown>;
  };
}

// 연결 설정 타입
interface ConnectionConfig {
  relationshipName: string;
  relationshipType: "one-to-one" | "one-to-many" | "many-to-one" | "many-to-many";
  connectionType: "simple-key" | "data-save" | "external-call";
  fromColumnName: string;
  toColumnName: string;
  settings?: Record<string, unknown>;
  description?: string;
}

// 단순 키값 연결 설정
interface SimpleKeySettings {
  notes: string;
}

// 데이터 저장 설정
interface DataSaveSettings {
  actions: Array<{
    id: string;
    name: string;
    actionType: "insert" | "update" | "delete" | "upsert";
    conditions?: Array<{
      field: string;
      operator: "=" | "!=" | ">" | "<" | ">=" | "<=" | "LIKE";
      value: string;
      logicalOperator?: "AND" | "OR";
    }>;
    fieldMappings: Array<{
      sourceTable?: string;
  sourceField: string;
      targetTable?: string;
  targetField: string;
      defaultValue?: string;
      transformFunction?: string;
    }>;
    splitConfig?: {
      sourceField: string; // 분할할 소스 필드
      delimiter: string; // 구분자 (예: ",")
      targetField: string; // 분할된 값이 들어갈 필드
    };
  }>;
}

// 외부 호출 설정
interface ExternalCallSettings {
  callType: "rest-api" | "email" | "webhook" | "ftp" | "queue";
  apiUrl?: string;
  httpMethod?: "GET" | "POST" | "PUT" | "DELETE";
  headers?: string;
  bodyTemplate?: string;
}

interface ConnectionSetupModalProps {
  isOpen: boolean;
  connection: ConnectionInfo | null;
  companyCode: string;
  onConfirm: (relationship: TableRelationship) => void;
  onCancel: () => void;
}

export const ConnectionSetupModal: React.FC<ConnectionSetupModalProps> = ({
  isOpen,
  connection,
  companyCode,
  onConfirm,
  onCancel,
}) => {
  const [config, setConfig] = useState<ConnectionConfig>({
    relationshipName: "",
    relationshipType: "one-to-one",
    connectionType: "simple-key",
    fromColumnName: "",
    toColumnName: "",
    description: "",
    settings: {},
  });

  // 연결 종류별 설정 상태
  const [simpleKeySettings, setSimpleKeySettings] = useState<SimpleKeySettings>({
    notes: "",
  });

  const [dataSaveSettings, setDataSaveSettings] = useState<DataSaveSettings>({
    actions: [],
  });

  const [externalCallSettings, setExternalCallSettings] = useState<ExternalCallSettings>({
    callType: "rest-api",
    apiUrl: "",
    httpMethod: "POST",
    headers: "{}",
    bodyTemplate: "{}",
  });

  // 테이블 및 컬럼 선택을 위한 새로운 상태들
  const [availableTables, setAvailableTables] = useState<TableInfo[]>([]);
  const [selectedFromTable, setSelectedFromTable] = useState<string>("");
  const [selectedToTable, setSelectedToTable] = useState<string>("");
  const [fromTableColumns, setFromTableColumns] = useState<ColumnInfo[]>([]);
  const [toTableColumns, setToTableColumns] = useState<ColumnInfo[]>([]);
  const [selectedFromColumns, setSelectedFromColumns] = useState<string[]>([]);
  const [selectedToColumns, setSelectedToColumns] = useState<string[]>([]);
  // 필요시 로드하는 테이블 컬럼 캐시
  const [tableColumnsCache, setTableColumnsCache] = useState<{ [tableName: string]: ColumnInfo[] }>({});

  // 조건부 연결을 위한 새로운 상태들
  const [conditions, setConditions] = useState<ConditionNode[]>([]);

  // 테이블 목록 로드
  useEffect(() => {
    const loadTables = async () => {
      try {
        const tables = await DataFlowAPI.getTables();
        setAvailableTables(tables);
      } catch (error) {
        console.error("테이블 목록 로드 실패:", error);
        toast.error("테이블 목록을 불러오는데 실패했습니다.");
      }
    };

    if (isOpen) {
      loadTables();
    }
  }, [isOpen]);

  // 모달이 열릴 때 기본값 설정
  useEffect(() => {
    if (isOpen && connection) {
      const fromTableName = connection.fromNode.tableName;
      const toTableName = connection.toNode.tableName;
      const fromDisplayName = connection.fromNode.displayName;
      const toDisplayName = connection.toNode.displayName;

      // 테이블 선택 설정
      setSelectedFromTable(fromTableName);
      setSelectedToTable(toTableName);

      // 기존 관계 정보가 있으면 사용, 없으면 기본값 설정
      const existingRel = connection.existingRelationship;
      setConfig({
        relationshipName: existingRel?.relationshipName || `${fromDisplayName} → ${toDisplayName}`,
        relationshipType:
          (existingRel?.relationshipType as "one-to-one" | "one-to-many" | "many-to-one" | "many-to-many") ||
          "one-to-one",
        connectionType: (existingRel?.connectionType as "simple-key" | "data-save" | "external-call") || "simple-key",
        fromColumnName: "",
        toColumnName: "",
        description:
          (existingRel?.settings?.description as string) || `${fromDisplayName}과 ${toDisplayName} 간의 데이터 관계`,
        settings: existingRel?.settings || {},
      });

      // 단순 키값 연결 기본값 설정
      setSimpleKeySettings({
        notes: `${fromDisplayName}과 ${toDisplayName} 간의 키값 연결`,
      });

      // 데이터 저장 기본값 설정 (빈 배열로 시작)
      setDataSaveSettings({
        actions: [],
      });

      // 외부 호출 기본값 설정
      setExternalCallSettings({
        callType: "rest-api",
        apiUrl: "https://api.example.com/webhook",
        httpMethod: "POST",
        headers: "{}",
        bodyTemplate: "{}",
      });

      // 선택된 컬럼 정보가 있다면 설정
      if (connection.selectedColumnsData) {
        const fromColumns = connection.selectedColumnsData[fromTableName]?.columns || [];
        const toColumns = connection.selectedColumnsData[toTableName]?.columns || [];

        setSelectedFromColumns(fromColumns);
        setSelectedToColumns(toColumns);

        setConfig((prev) => ({
          ...prev,
          fromColumnName: fromColumns.join(", "),
          toColumnName: toColumns.join(", "),
        }));
      }
    }
  }, [isOpen, connection]);

  // From 테이블 선택 시 컬럼 로드
  useEffect(() => {
    const loadFromColumns = async () => {
      if (selectedFromTable) {
        try {
          const columns = await DataFlowAPI.getTableColumns(selectedFromTable);
          setFromTableColumns(columns);
        } catch (error) {
          console.error("From 테이블 컬럼 로드 실패:", error);
          toast.error("From 테이블 컬럼을 불러오는데 실패했습니다.");
        }
      }
    };

    loadFromColumns();
  }, [selectedFromTable]);

  // To 테이블 선택 시 컬럼 로드
  useEffect(() => {
    const loadToColumns = async () => {
      if (selectedToTable) {
        try {
          const columns = await DataFlowAPI.getTableColumns(selectedToTable);
          setToTableColumns(columns);
        } catch (error) {
          console.error("To 테이블 컬럼 로드 실패:", error);
          toast.error("To 테이블 컬럼을 불러오는데 실패했습니다.");
        }
      }
    };

    loadToColumns();
  }, [selectedToTable]);

  // 선택된 컬럼들이 변경될 때 config 업데이트
  useEffect(() => {
    setConfig((prev) => ({
      ...prev,
      fromColumnName: selectedFromColumns.join(", "),
      toColumnName: selectedToColumns.join(", "),
    }));
  }, [selectedFromColumns, selectedToColumns]);

  // 테이블 컬럼 로드 함수 (캐시 활용)
  const loadTableColumns = async (tableName: string): Promise<ColumnInfo[]> => {
    if (tableColumnsCache[tableName]) {
      return tableColumnsCache[tableName];
    }

    try {
      const columns = await DataFlowAPI.getTableColumns(tableName);
      setTableColumnsCache((prev) => ({
        ...prev,
        [tableName]: columns,
      }));
      return columns;
    } catch (error) {
      console.error(`${tableName} 컬럼 로드 실패:`, error);
      return [];
    }
  };

  // 테이블 선택 시 컬럼 로드
  useEffect(() => {
    const loadColumns = async () => {
      const tablesToLoad = new Set<string>();

      // 필드 매핑에서 사용되는 모든 테이블 수집
      dataSaveSettings.actions.forEach((action) => {
        action.fieldMappings.forEach((mapping) => {
          if (mapping.sourceTable && !tableColumnsCache[mapping.sourceTable]) {
            tablesToLoad.add(mapping.sourceTable);
          }
          if (mapping.targetTable && !tableColumnsCache[mapping.targetTable]) {
            tablesToLoad.add(mapping.targetTable);
          }
        });
      });

      // 필요한 테이블들의 컬럼만 로드
      for (const tableName of tablesToLoad) {
        await loadTableColumns(tableName);
      }
    };

    loadColumns();
  }, [dataSaveSettings.actions, tableColumnsCache]); // eslint-disable-line react-hooks/exhaustive-deps

  const handleConfirm = () => {
    if (!config.relationshipName || !connection) {
      toast.error("필수 정보를 모두 입력해주세요.");
      return;
    }

    // 연결 종류별 설정을 준비
    let settings = {};

    switch (config.connectionType) {
      case "simple-key":
        settings = simpleKeySettings;
        break;
      case "data-save":
        settings = dataSaveSettings;
        break;
      case "external-call":
        settings = externalCallSettings;
        break;
    }

    // 선택된 컬럼들 검증
    if (selectedFromColumns.length === 0 || selectedToColumns.length === 0) {
      toast.error("선택된 컬럼이 없습니다. From과 To 테이블에서 각각 최소 1개 이상의 컬럼을 선택해주세요.");
      return;
    }

    // 선택된 테이블과 컬럼 정보 사용
    const fromTableName = selectedFromTable || connection.fromNode.tableName;
    const toTableName = selectedToTable || connection.toNode.tableName;

    // 조건부 연결 설정 데이터 준비
    const conditionalSettings = isConditionalConnection()
      ? {
          control: {
            triggerType: "insert",
            conditionTree:
              conditions.length > 0
                ? {
                    type: "group" as const,
                    operator: "AND" as const,
                    children: conditions,
                  }
                : null,
          },
          category: {
            type: config.connectionType,
          },
          plan: {
            sourceTable: fromTableName,
            targetActions:
              config.connectionType === "data-save"
                ? dataSaveSettings.actions.map((action) => ({
                    id: action.id,
                    actionType: action.actionType,
                    enabled: true,
                    conditions: action.conditions,
                    fieldMappings: action.fieldMappings.map((mapping) => ({
                      sourceTable: mapping.sourceTable,
                      sourceField: mapping.sourceField,
                      targetTable: mapping.targetTable,
                      targetField: mapping.targetField,
                      defaultValue: mapping.defaultValue,
                      transformFunction: mapping.transformFunction,
                    })),
                    splitConfig: action.splitConfig,
                  }))
                : [],
          },
        }
      : {};

    // 메모리 기반 시스템: 관계 데이터만 생성하여 부모로 전달
    const relationshipData: TableRelationship = {
      relationship_name: config.relationshipName,
      from_table_name: fromTableName,
      to_table_name: toTableName,
      from_column_name: selectedFromColumns.join(","), // 여러 컬럼을 콤마로 구분
      to_column_name: selectedToColumns.join(","), // 여러 컬럼을 콤마로 구분
      relationship_type: config.relationshipType,
      connection_type: config.connectionType,
      company_code: companyCode,
      settings: {
        ...settings,
        ...conditionalSettings, // 조건부 연결 설정 추가
        description: config.description,
        multiColumnMapping: {
          fromColumns: selectedFromColumns,
          toColumns: selectedToColumns,
          fromTable: fromTableName,
          toTable: toTableName,
        },
        isMultiColumn: selectedFromColumns.length > 1 || selectedToColumns.length > 1,
        columnCount: {
          from: selectedFromColumns.length,
          to: selectedToColumns.length,
        },
      },
    };

    toast.success("관계가 생성되었습니다!");

    // 부모 컴포넌트로 관계 데이터 전달 (DB 저장 없이)
    onConfirm(relationshipData);
    handleCancel(); // 모달 닫기
  };

  const handleCancel = () => {
    setConfig({
      relationshipName: "",
      relationshipType: "one-to-one",
      connectionType: "simple-key",
      fromColumnName: "",
      toColumnName: "",
      description: "",
    });
    onCancel();
  };

  if (!connection) return null;

  // 선택된 컬럼 데이터 가져오기 (현재 사용되지 않음 - 향후 확장을 위해 유지)
  // const selectedColumnsData = connection.selectedColumnsData || {};

  // 조건부 연결인지 확인하는 헬퍼 함수
  const isConditionalConnection = () => {
    return config.connectionType === "data-save" || config.connectionType === "external-call";
  };

  // 조건 관리 헬퍼 함수들
  const addCondition = () => {
    const newCondition: ConditionNode = {
      type: "condition",
      field: "",
      operator_type: "=",
      value: "",
      dataType: "string",
      operator: "AND", // 기본값으로 AND 설정
    };
    setConditions([...conditions, newCondition]);
  };

  const updateCondition = (index: number, field: keyof ConditionNode, value: string) => {
    const updatedConditions = [...conditions];
    updatedConditions[index] = { ...updatedConditions[index], [field]: value };
    setConditions(updatedConditions);
  };

  const removeCondition = (index: number) => {
    const updatedConditions = conditions.filter((_, i) => i !== index);
    setConditions(updatedConditions);
  };

  // 조건부 연결 설정 UI 렌더링
  const renderConditionalSettings = () => {
    return (
      <div className="rounded-lg border border-l-4 border-l-purple-500 bg-purple-50/30 p-4">
        <div className="mb-4 flex items-center gap-2">
          <Zap className="h-4 w-4 text-purple-500" />
          <span className="text-sm font-medium">전체 실행 조건 (언제 이 연결이 동작할지)</span>
        </div>

        {/* 실행 조건 설정 */}
        <div className="mb-4">
          <div className="mb-2 flex items-center justify-between">
            <Label className="text-sm font-medium">실행 조건</Label>
            <Button size="sm" variant="outline" onClick={() => addCondition()} className="h-7 text-xs">
              <Plus className="mr-1 h-3 w-3" />
              조건 추가
            </Button>
          </div>

          {/* 조건 목록 */}
          <div className="space-y-2">
            {conditions.length === 0 ? (
              <div className="rounded-lg border border-dashed p-3 text-center text-xs text-gray-500">
                조건을 추가하면 해당 조건을 만족할 때만 실행됩니다.
                <br />
                조건이 없으면 항상 실행됩니다.
              </div>
            ) : (
              conditions.map((condition, index) => (
                <div key={index} className="flex items-center gap-2 rounded border bg-white p-2">
                  {/* 첫 번째 조건이 아닐 때 AND/OR 연산자를 앞에 표시 */}
                  {index > 0 && (
                    <Select
                      value={conditions[index - 1]?.operator || "AND"}
                      onValueChange={(value: "AND" | "OR") => updateCondition(index - 1, "operator", value)}
                    >
                      <SelectTrigger className="h-8 w-24 border-blue-200 bg-blue-50 text-xs">
                        <SelectValue />
                      </SelectTrigger>
                      <SelectContent>
                        <SelectItem value="AND">AND</SelectItem>
                        <SelectItem value="OR">OR</SelectItem>
                      </SelectContent>
                    </Select>
                  )}

                  {/* 조건 필드들 */}
                  <Select
                    value={condition.field || ""}
                    onValueChange={(value) => updateCondition(index, "field", value)}
                  >
                    <SelectTrigger className="h-8 flex-1 text-xs">
                      <SelectValue placeholder="필드 선택" />
                    </SelectTrigger>
                    <SelectContent>
                      {fromTableColumns.map((column) => (
                        <SelectItem key={column.columnName} value={column.columnName}>
                          {column.columnName}
                        </SelectItem>
                      ))}
                    </SelectContent>
                  </Select>

                  <Select
                    value={condition.operator_type || "="}
                    onValueChange={(value) => updateCondition(index, "operator_type", value)}
                  >
                    <SelectTrigger className="h-8 w-20 text-xs">
                      <SelectValue />
                    </SelectTrigger>
                    <SelectContent>
                      <SelectItem value="=">=</SelectItem>
                      <SelectItem value="!=">!=</SelectItem>
                      <SelectItem value=">">&gt;</SelectItem>
                      <SelectItem value="<">&lt;</SelectItem>
                      <SelectItem value=">=">&gt;=</SelectItem>
                      <SelectItem value="<=">&lt;=</SelectItem>
                      <SelectItem value="LIKE">LIKE</SelectItem>
                    </SelectContent>
                  </Select>

                  {/* 데이터 타입에 따른 적절한 입력 컴포넌트 */}
                  {(() => {
                    const selectedColumn = fromTableColumns.find((col) => col.columnName === condition.field);
                    const dataType = selectedColumn?.dataType?.toLowerCase() || "string";

                    if (dataType.includes("timestamp") || dataType.includes("datetime") || dataType.includes("date")) {
                      return (
                        <Input
                          type="datetime-local"
                          value={condition.value || ""}
                          onChange={(e) => updateCondition(index, "value", e.target.value)}
                          className="h-8 flex-1 text-xs"
                        />
                      );
                    } else if (dataType.includes("time")) {
                      return (
                        <Input
                          type="time"
                          value={condition.value || ""}
                          onChange={(e) => updateCondition(index, "value", e.target.value)}
                          className="h-8 flex-1 text-xs"
                        />
                      );
                    } else if (dataType.includes("date")) {
                      return (
                        <Input
                          type="date"
                          value={condition.value || ""}
                          onChange={(e) => updateCondition(index, "value", e.target.value)}
                          className="h-8 flex-1 text-xs"
                        />
                      );
                    } else if (
                      dataType.includes("int") ||
                      dataType.includes("numeric") ||
                      dataType.includes("decimal") ||
                      dataType.includes("float") ||
                      dataType.includes("double")
                    ) {
                      return (
                        <Input
                          type="number"
                          placeholder="숫자"
                          value={condition.value || ""}
                          onChange={(e) => updateCondition(index, "value", e.target.value)}
                          className="h-8 flex-1 text-xs"
                        />
                      );
                    } else if (dataType.includes("bool")) {
                      return (
                        <Select
                          value={condition.value || ""}
                          onValueChange={(value) => updateCondition(index, "value", value)}
                        >
                          <SelectTrigger className="h-8 flex-1 text-xs">
                            <SelectValue placeholder="선택" />
                          </SelectTrigger>
                          <SelectContent>
                            <SelectItem value="true">TRUE</SelectItem>
                            <SelectItem value="false">FALSE</SelectItem>
                          </SelectContent>
                        </Select>
                      );
                    } else {
                      return (
                        <Input
                          placeholder="값"
                          value={condition.value || ""}
                          onChange={(e) => updateCondition(index, "value", e.target.value)}
                          className="h-8 flex-1 text-xs"
                        />
                      );
                    }
                  })()}

                  <Button size="sm" variant="ghost" onClick={() => removeCondition(index)} className="h-8 w-8 p-0">
                    <Trash2 className="h-3 w-3" />
                  </Button>
                </div>
              ))
            )}
          </div>
        </div>
      </div>
    );
  };

  // 연결 종류별 설정 패널 렌더링
  const renderConnectionTypeSettings = () => {
    switch (config.connectionType) {
      case "simple-key":
        return (
          <div className="rounded-lg border border-l-4 border-l-blue-500 bg-blue-50/30 p-4">
            <div className="mb-3 flex items-center gap-2">
              <Key className="h-4 w-4 text-blue-500" />
              <span className="text-sm font-medium">단순 키값 연결 설정</span>
            </div>
            <div className="space-y-3">
              <div>
                <Label htmlFor="notes" className="text-sm">
                  연결 설명
                </Label>
                <Textarea
                  id="notes"
                  value={simpleKeySettings.notes}
                  onChange={(e) => setSimpleKeySettings({ ...simpleKeySettings, notes: e.target.value })}
                  placeholder="데이터 연결에 대한 설명을 입력하세요"
                  rows={2}
                  className="text-sm"
                />
              </div>
            </div>
          </div>
        );

      case "data-save":
        return (
          <div className="rounded-lg border border-l-4 border-l-green-500 bg-green-50/30 p-4">
            <div className="mb-3 flex items-center gap-2">
              <Save className="h-4 w-4 text-green-500" />
              <span className="text-sm font-medium">데이터 저장 설정</span>
            </div>
            <div className="space-y-4">
              {/* 액션 목록 */}
                <div>
                <div className="mb-2 flex items-center justify-between">
                  <Label className="text-sm font-medium">저장 액션</Label>
                  <Button
                    size="sm"
                    variant="outline"
                    onClick={() => {
                      const newAction = {
                        id: `action_${dataSaveSettings.actions.length + 1}`,
                        name: `액션 ${dataSaveSettings.actions.length + 1}`,
                        actionType: "insert" as const,
                        fieldMappings: [],
                        conditions: [],
                        splitConfig: {
                          sourceField: "",
                          delimiter: ",",
                          targetField: "",
                        },
                      };
                      setDataSaveSettings({
                        ...dataSaveSettings,
                        actions: [...dataSaveSettings.actions, newAction],
                      });
                    }}
                    className="h-7 text-xs"
                  >
                    <Plus className="mr-1 h-3 w-3" />
                    액션 추가
                  </Button>
                </div>

                {dataSaveSettings.actions.length === 0 ? (
                  <div className="rounded-lg border border-dashed p-3 text-center text-xs text-gray-500">
                    저장 액션을 추가하여 데이터를 어떻게 저장할지 설정하세요.
                  </div>
                ) : (
                  <div className="space-y-3">
                    {dataSaveSettings.actions.map((action, actionIndex) => (
                      <div key={action.id} className="rounded border bg-white p-3">
                        <div className="mb-3 flex items-center justify-between">
                  <Input
                            value={action.name}
                            onChange={(e) => {
                              const newActions = [...dataSaveSettings.actions];
                              newActions[actionIndex].name = e.target.value;
                              setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                            }}
                            className="h-7 flex-1 text-xs font-medium"
                            placeholder="액션 이름"
                          />
                          <Button
                            size="sm"
                            variant="ghost"
                            onClick={() => {
                              const newActions = dataSaveSettings.actions.filter((_, i) => i !== actionIndex);
                              setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                            }}
                            className="h-7 w-7 p-0"
                          >
                            <Trash2 className="h-3 w-3" />
                          </Button>
                </div>

                        <div className="grid grid-cols-1 gap-3">
                          {/* 액션 타입 */}
                <div>
                            <Label className="text-xs">액션 타입</Label>
                            <Select
                              value={action.actionType}
                              onValueChange={(value: "insert" | "update" | "delete" | "upsert") => {
                                const newActions = [...dataSaveSettings.actions];
                                newActions[actionIndex].actionType = value;
                                setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                              }}
                            >
                              <SelectTrigger className="h-7 text-xs">
                                <SelectValue />
                              </SelectTrigger>
                              <SelectContent>
                                <SelectItem value="insert">INSERT</SelectItem>
                                <SelectItem value="update">UPDATE</SelectItem>
                                <SelectItem value="delete">DELETE</SelectItem>
                                <SelectItem value="upsert">UPSERT</SelectItem>
                              </SelectContent>
                            </Select>
                          </div>
                        </div>

                        {/* 액션별 개별 실행 조건 (선택사항) */}
                        <div className="mt-3">
                          <details className="group">
                            <summary className="flex cursor-pointer items-center justify-between rounded border p-2 text-xs font-medium text-gray-700 hover:bg-gray-50 hover:text-gray-900">
                  <div className="flex items-center gap-2">
                                🔍 이 액션의 실행 조건 (선택사항)
                                {action.conditions && action.conditions.length > 0 && (
                                  <span className="rounded-full bg-blue-100 px-2 py-0.5 text-xs text-blue-700">
                                    {action.conditions.length}개
                                  </span>
                                )}
                              </div>
                              {action.conditions && action.conditions.length > 0 && (
                                <Button
                                  size="sm"
                                  variant="ghost"
                                  onClick={(e) => {
                                    e.preventDefault();
                                    e.stopPropagation();
                                    const newActions = [...dataSaveSettings.actions];
                                    newActions[actionIndex].conditions = [];
                                    setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                  }}
                                  className="h-5 w-5 p-0 text-red-500 hover:text-red-700"
                                  title="조건 모두 삭제"
                                >
                                  <Trash2 className="h-3 w-3" />
                                </Button>
                              )}
                            </summary>
                            <div className="mt-2 space-y-2 border-l-2 border-gray-100 pl-4">
                              <div className="mb-2 flex items-center justify-between">
                                <Button
                                  size="sm"
                                  variant="outline"
                                  onClick={() => {
                                    const newActions = [...dataSaveSettings.actions];
                                    if (!newActions[actionIndex].conditions) {
                                      newActions[actionIndex].conditions = [];
                                    }
                                    newActions[actionIndex].conditions = [
                                      ...(newActions[actionIndex].conditions || []),
                                      { field: "", operator: "=", value: "", logicalOperator: "AND" },
                                    ];
                                    setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                  }}
                                  className="h-6 text-xs"
                                >
                                  <Plus className="mr-1 h-2 w-2" />
                                  조건 추가
                                </Button>
                              </div>
                              {action.conditions && action.conditions.length > 0 && (
                                <div className="space-y-2">
                                  {action.conditions.map((condition, condIndex) => (
                                    <div key={condIndex} className="flex items-center gap-2">
                                      {/* 첫 번째 조건이 아닐 때 AND/OR 연산자를 앞에 표시 */}
                                      {condIndex > 0 && (
                                        <Select
                                          value={action.conditions![condIndex - 1].logicalOperator || "AND"}
                                          onValueChange={(value: "AND" | "OR") => {
                                            const newActions = [...dataSaveSettings.actions];
                                            newActions[actionIndex].conditions![condIndex - 1].logicalOperator = value;
                                            setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                          }}
                                        >
                                          <SelectTrigger className="h-6 w-20 border-green-200 bg-green-50 text-xs">
                                            <SelectValue />
                                          </SelectTrigger>
                                          <SelectContent>
                                            <SelectItem value="AND">AND</SelectItem>
                                            <SelectItem value="OR">OR</SelectItem>
                                          </SelectContent>
                                        </Select>
                                      )}

                                      {/* 조건 필드들 */}
                                      <Select
                                        value={condition.field}
                                        onValueChange={(value) => {
                                          const newActions = [...dataSaveSettings.actions];
                                          newActions[actionIndex].conditions![condIndex].field = value;
                                          setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                        }}
                                      >
                                        <SelectTrigger className="h-6 flex-1 text-xs">
                                          <SelectValue placeholder="필드" />
                                        </SelectTrigger>
                                        <SelectContent>
                                          {fromTableColumns.map((column) => (
                                            <SelectItem key={column.columnName} value={column.columnName}>
                                              {column.columnName}
                                            </SelectItem>
                                          ))}
                                        </SelectContent>
                                      </Select>
                                      <Select
                                        value={condition.operator}
                                        onValueChange={(value: "=" | "!=" | ">" | "<" | ">=" | "<=" | "LIKE") => {
                                          const newActions = [...dataSaveSettings.actions];
                                          newActions[actionIndex].conditions![condIndex].operator = value;
                                          setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                        }}
                                      >
                                        <SelectTrigger className="h-6 w-16 text-xs">
                                          <SelectValue />
                                        </SelectTrigger>
                                        <SelectContent>
                                          <SelectItem value="=">=</SelectItem>
                                          <SelectItem value="!=">!=</SelectItem>
                                          <SelectItem value=">">&gt;</SelectItem>
                                          <SelectItem value="<">&lt;</SelectItem>
                                          <SelectItem value=">=">&gt;=</SelectItem>
                                          <SelectItem value="<=">&lt;=</SelectItem>
                                          <SelectItem value="LIKE">LIKE</SelectItem>
                                        </SelectContent>
                                      </Select>
                                      {/* 데이터 타입에 따른 적절한 입력 컴포넌트 */}
                                      {(() => {
                                        const selectedColumn = fromTableColumns.find(
                                          (col) => col.columnName === condition.field,
                                        );
                                        const dataType = selectedColumn?.dataType?.toLowerCase() || "string";

                                        if (
                                          dataType.includes("timestamp") ||
                                          dataType.includes("datetime") ||
                                          dataType.includes("date")
                                        ) {
                                          return (
                    <Input
                                              type="datetime-local"
                                              value={condition.value}
                                              onChange={(e) => {
                                                const newActions = [...dataSaveSettings.actions];
                                                newActions[actionIndex].conditions![condIndex].value = e.target.value;
                                                setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                              }}
                                              className="h-6 flex-1 text-xs"
                                            />
                                          );
                                        } else if (dataType.includes("time")) {
                                          return (
                                            <Input
                                              type="time"
                                              value={condition.value}
                                              onChange={(e) => {
                                                const newActions = [...dataSaveSettings.actions];
                                                newActions[actionIndex].conditions![condIndex].value = e.target.value;
                                                setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                              }}
                                              className="h-6 flex-1 text-xs"
                                            />
                                          );
                                        } else if (dataType.includes("date")) {
                                          return (
                                            <Input
                                              type="date"
                                              value={condition.value}
                                              onChange={(e) => {
                                                const newActions = [...dataSaveSettings.actions];
                                                newActions[actionIndex].conditions![condIndex].value = e.target.value;
                                                setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                              }}
                                              className="h-6 flex-1 text-xs"
                                            />
                                          );
                                        } else if (
                                          dataType.includes("int") ||
                                          dataType.includes("numeric") ||
                                          dataType.includes("decimal") ||
                                          dataType.includes("float") ||
                                          dataType.includes("double")
                                        ) {
                                          return (
                                            <Input
                                              type="number"
                                              placeholder="숫자"
                                              value={condition.value}
                                              onChange={(e) => {
                                                const newActions = [...dataSaveSettings.actions];
                                                newActions[actionIndex].conditions![condIndex].value = e.target.value;
                                                setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                              }}
                                              className="h-6 flex-1 text-xs"
                                            />
                                          );
                                        } else if (dataType.includes("bool")) {
                                          return (
                                            <Select
                                              value={condition.value}
                                              onValueChange={(value) => {
                                                const newActions = [...dataSaveSettings.actions];
                                                newActions[actionIndex].conditions![condIndex].value = value;
                                                setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                              }}
                                            >
                                              <SelectTrigger className="h-6 flex-1 text-xs">
                                                <SelectValue placeholder="선택" />
                                              </SelectTrigger>
                                              <SelectContent>
                                                <SelectItem value="true">TRUE</SelectItem>
                                                <SelectItem value="false">FALSE</SelectItem>
                                              </SelectContent>
                                            </Select>
                                          );
                                        } else {
                                          return (
                                            <Input
                                              placeholder="값"
                                              value={condition.value}
                                              onChange={(e) => {
                                                const newActions = [...dataSaveSettings.actions];
                                                newActions[actionIndex].conditions![condIndex].value = e.target.value;
                                                setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                              }}
                                              className="h-6 flex-1 text-xs"
                                            />
                                          );
                                        }
                                      })()}
                                      <Button
                                        size="sm"
                                        variant="ghost"
                                        onClick={() => {
                                          const newActions = [...dataSaveSettings.actions];
                                          newActions[actionIndex].conditions = newActions[
                                            actionIndex
                                          ].conditions!.filter((_, i) => i !== condIndex);
                                          setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                        }}
                                        className="h-6 w-6 p-0"
                                      >
                                        <Trash2 className="h-2 w-2" />
                    </Button>
                  </div>
                                  ))}
                </div>
                              )}
              </div>
                          </details>
                        </div>

                        {/* 데이터 분할 설정 (선택사항) */}
                        <div className="mt-3">
                          <details className="group">
                            <summary className="flex cursor-pointer items-center justify-between rounded border p-2 text-xs font-medium text-gray-700 hover:bg-gray-50 hover:text-gray-900">
                              <div className="flex items-center gap-2">
                                ✂️ 데이터 분할 설정 (선택사항)
                                {action.splitConfig && action.splitConfig.sourceField && (
                                  <span className="rounded-full bg-green-100 px-2 py-0.5 text-xs text-green-700">
                                    설정됨
                                  </span>
                                )}
                              </div>
                              {action.splitConfig && action.splitConfig.sourceField && (
                                <Button
                                  size="sm"
                                  variant="ghost"
                                  onClick={(e) => {
                                    e.preventDefault();
                                    e.stopPropagation();
                                    const newActions = [...dataSaveSettings.actions];
                                    newActions[actionIndex].splitConfig = {
                                      sourceField: "",
                                      delimiter: ",",
                                      targetField: "",
                                    };
                                    setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                  }}
                                  className="h-5 w-5 p-0 text-red-500 hover:text-red-700"
                                  title="분할 설정 초기화"
                                >
                                  <Trash2 className="h-3 w-3" />
                                </Button>
                              )}
                            </summary>
                            <div className="mt-2 space-y-2 border-l-2 border-gray-100 pl-4">
                              <Label className="text-xs font-medium">데이터 분할 설정</Label>
                              <div className="mt-1 grid grid-cols-3 gap-2">
              <div>
                                  <Label className="text-xs text-gray-500">분할할 필드</Label>
                                  <Select
                                    value={action.splitConfig?.sourceField || ""}
                                    onValueChange={(value) => {
                                      const newActions = [...dataSaveSettings.actions];
                                      if (!newActions[actionIndex].splitConfig) {
                                        newActions[actionIndex].splitConfig = {
                                          sourceField: "",
                                          delimiter: ",",
                                          targetField: "",
                                        };
                                      }
                                      newActions[actionIndex].splitConfig!.sourceField = value;
                                      setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                    }}
                                  >
                                    <SelectTrigger className="h-6 text-xs">
                                      <SelectValue placeholder="필드 선택" />
                                    </SelectTrigger>
                                    <SelectContent>
                                      {fromTableColumns.map((column) => (
                                        <SelectItem key={column.columnName} value={column.columnName}>
                                          {column.columnName}
                                        </SelectItem>
                                      ))}
                                    </SelectContent>
                                  </Select>
                                </div>
                                <div>
                                  <Label className="text-xs text-gray-500">구분자</Label>
                                  <Input
                                    value={action.splitConfig?.delimiter || ","}
                                    onChange={(e) => {
                                      const newActions = [...dataSaveSettings.actions];
                                      if (!newActions[actionIndex].splitConfig) {
                                        newActions[actionIndex].splitConfig = {
                                          sourceField: "",
                                          delimiter: ",",
                                          targetField: "",
                                        };
                                      }
                                      newActions[actionIndex].splitConfig!.delimiter = e.target.value;
                                      setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                    }}
                                    className="h-6 text-xs"
                                    placeholder=","
                                  />
                                </div>
                                <div>
                                  <Label className="text-xs text-gray-500">저장할 필드</Label>
                                  <Select
                                    value={action.splitConfig?.targetField || ""}
                                    onValueChange={(value) => {
                                      const newActions = [...dataSaveSettings.actions];
                                      if (!newActions[actionIndex].splitConfig) {
                                        newActions[actionIndex].splitConfig = {
                                          sourceField: "",
                                          delimiter: ",",
                                          targetField: "",
                                        };
                                      }
                                      newActions[actionIndex].splitConfig!.targetField = value;
                                      setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                    }}
                                  >
                                    <SelectTrigger className="h-6 text-xs">
                                      <SelectValue placeholder="필드 선택" />
                                    </SelectTrigger>
                                    <SelectContent>
                                      {toTableColumns.map((column) => (
                                        <SelectItem key={column.columnName} value={column.columnName}>
                                          {column.columnName}
                                        </SelectItem>
                                      ))}
                                    </SelectContent>
                                  </Select>
                                </div>
                              </div>
                            </div>
                          </details>
                        </div>

                        {/* 필드 매핑 */}
                        <div className="mt-3">
                          <div className="mb-2 flex items-center justify-between">
                            <Label className="text-xs font-medium">필드 매핑</Label>
                            <Button
                              size="sm"
                              variant="outline"
                              onClick={() => {
                                const newActions = [...dataSaveSettings.actions];
                                newActions[actionIndex].fieldMappings.push({
                                  sourceTable: "",
                                  sourceField: "",
                                  targetTable: "",
                                  targetField: "",
                                  defaultValue: "",
                                  transformFunction: "",
                                });
                                setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                              }}
                              className="h-6 text-xs"
                            >
                              <Plus className="mr-1 h-2 w-2" />
                              매핑 추가
                            </Button>
                          </div>
                          <div className="space-y-3">
                            {action.fieldMappings.map((mapping, mappingIndex) => (
                              <div key={mappingIndex} className="rounded border bg-white p-2">
                                {/* 컴팩트한 매핑 표시 */}
                                <div className="flex items-center gap-2 text-xs">
                                  {/* 소스 */}
                                  <div className="flex items-center gap-1 rounded bg-blue-50 px-2 py-1">
                                    <Select
                                      value={mapping.sourceTable || ""}
                                      onValueChange={(value) => {
                                        const newActions = [...dataSaveSettings.actions];
                                        newActions[actionIndex].fieldMappings[mappingIndex].sourceTable = value;
                                        newActions[actionIndex].fieldMappings[mappingIndex].sourceField = "";
                                        setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                      }}
                                    >
                                      <SelectTrigger className="h-6 w-24 border-0 bg-transparent p-0 text-xs">
                                        <SelectValue placeholder="테이블" />
                                      </SelectTrigger>
                                      <SelectContent>
                                        {availableTables.map((table) => (
                                          <SelectItem key={table.tableName} value={table.tableName}>
                                            <div className="truncate" title={table.tableName}>
                                              {table.tableName}
                                            </div>
                                          </SelectItem>
                                        ))}
                                      </SelectContent>
                                    </Select>
                                    <span className="text-gray-400">.</span>
                                    <Select
                                      value={mapping.sourceField}
                                      onValueChange={(value) => {
                                        const newActions = [...dataSaveSettings.actions];
                                        newActions[actionIndex].fieldMappings[mappingIndex].sourceField = value;
                                        setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                      }}
                                      disabled={!mapping.sourceTable}
                                    >
                                      <SelectTrigger className="h-6 w-24 border-0 bg-transparent p-0 text-xs">
                                        <SelectValue placeholder="컬럼" />
                                      </SelectTrigger>
                                      <SelectContent>
                                        {mapping.sourceTable &&
                                          tableColumnsCache[mapping.sourceTable]?.map((column) => (
                                            <SelectItem key={column.columnName} value={column.columnName}>
                                              <div className="truncate" title={column.columnName}>
                                                {column.columnName}
                                              </div>
                                            </SelectItem>
                                          ))}
                                      </SelectContent>
                                    </Select>
                                  </div>

                                  <div className="text-gray-400">→</div>

                                  {/* 타겟 */}
                                  <div className="flex items-center gap-1 rounded bg-green-50 px-2 py-1">
                                    <Select
                                      value={mapping.targetTable || ""}
                                      onValueChange={(value) => {
                                        const newActions = [...dataSaveSettings.actions];
                                        newActions[actionIndex].fieldMappings[mappingIndex].targetTable = value;
                                        newActions[actionIndex].fieldMappings[mappingIndex].targetField = "";
                                        setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                      }}
                                    >
                                      <SelectTrigger className="h-6 w-24 border-0 bg-transparent p-0 text-xs">
                                        <SelectValue placeholder="테이블" />
                                      </SelectTrigger>
                                      <SelectContent>
                                        {availableTables.map((table) => (
                                          <SelectItem key={table.tableName} value={table.tableName}>
                                            <div className="truncate" title={table.tableName}>
                                              {table.tableName}
                                            </div>
                                          </SelectItem>
                                        ))}
                                      </SelectContent>
                                    </Select>
                                    <span className="text-gray-400">.</span>
                                    <Select
                                      value={mapping.targetField}
                                      onValueChange={(value) => {
                                        const newActions = [...dataSaveSettings.actions];
                                        newActions[actionIndex].fieldMappings[mappingIndex].targetField = value;
                                        setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                      }}
                                      disabled={!mapping.targetTable}
                                    >
                                      <SelectTrigger className="h-6 w-24 border-0 bg-transparent p-0 text-xs">
                                        <SelectValue placeholder="컬럼" />
                                      </SelectTrigger>
                                      <SelectContent>
                                        {mapping.targetTable &&
                                          tableColumnsCache[mapping.targetTable]?.map((column) => (
                                            <SelectItem key={column.columnName} value={column.columnName}>
                                              <div className="truncate" title={column.columnName}>
                                                {column.columnName}
                                              </div>
                                            </SelectItem>
                                          ))}
                                      </SelectContent>
                                    </Select>
                                  </div>

                                  {/* 기본값 (인라인) */}
                                  <Input
                                    value={mapping.defaultValue || ""}
                                    onChange={(e) => {
                                      const newActions = [...dataSaveSettings.actions];
                                      newActions[actionIndex].fieldMappings[mappingIndex].defaultValue = e.target.value;
                                      setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                    }}
                                    className="h-6 w-20 text-xs"
                                    placeholder="기본값"
                                  />

                                  {/* 삭제 버튼 */}
                                  <Button
                                    size="sm"
                                    variant="ghost"
                                    onClick={() => {
                                      const newActions = [...dataSaveSettings.actions];
                                      newActions[actionIndex].fieldMappings = newActions[
                                        actionIndex
                                      ].fieldMappings.filter((_, i) => i !== mappingIndex);
                                      setDataSaveSettings({ ...dataSaveSettings, actions: newActions });
                                    }}
                                    className="h-6 w-6 p-0 text-red-500 hover:text-red-700"
                                  >
                                    <Trash2 className="h-3 w-3" />
                                  </Button>
                                </div>
                              </div>
                            ))}
                          </div>
                        </div>
                      </div>
                    ))}
                  </div>
                )}
              </div>
            </div>
          </div>
        );

      case "external-call":
        return (
          <div className="rounded-lg border border-l-4 border-l-orange-500 bg-orange-50/30 p-4">
            <div className="mb-3 flex items-center gap-2">
              <Globe className="h-4 w-4 text-orange-500" />
              <span className="text-sm font-medium">외부 호출 설정</span>
            </div>
            <div className="space-y-3">
              <div>
                <Label htmlFor="callType" className="text-sm">
                  호출 유형
                </Label>
                <Select
                  value={externalCallSettings.callType}
                  onValueChange={(value: "rest-api" | "email" | "webhook" | "ftp" | "queue") =>
                    setExternalCallSettings({ ...externalCallSettings, callType: value })
                  }
                >
                  <SelectTrigger className="text-sm">
                    <SelectValue />
                  </SelectTrigger>
                  <SelectContent>
                    <SelectItem value="rest-api">REST API 호출</SelectItem>
                    <SelectItem value="email">이메일 전송</SelectItem>
                    <SelectItem value="webhook">웹훅</SelectItem>
                    <SelectItem value="ftp">FTP 업로드</SelectItem>
                    <SelectItem value="queue">메시지 큐</SelectItem>
                  </SelectContent>
                </Select>
              </div>

              {externalCallSettings.callType === "rest-api" && (
                <>
                  <div>
                    <Label htmlFor="apiUrl" className="text-sm">
                      API URL
                    </Label>
                    <Input
                      id="apiUrl"
                      value={externalCallSettings.apiUrl}
                      onChange={(e) => setExternalCallSettings({ ...externalCallSettings, apiUrl: e.target.value })}
                      placeholder="https://api.example.com/webhook"
                      className="text-sm"
                    />
                  </div>
                  <div className="grid grid-cols-2 gap-3">
                    <div>
                      <Label htmlFor="httpMethod" className="text-sm">
                        HTTP Method
                      </Label>
                      <Select
                        value={externalCallSettings.httpMethod}
                        onValueChange={(value: "GET" | "POST" | "PUT" | "DELETE") =>
                          setExternalCallSettings({ ...externalCallSettings, httpMethod: value })
                        }
                      >
                        <SelectTrigger className="text-sm">
                          <SelectValue />
                        </SelectTrigger>
                        <SelectContent>
                          <SelectItem value="GET">GET</SelectItem>
                          <SelectItem value="POST">POST</SelectItem>
                          <SelectItem value="PUT">PUT</SelectItem>
                          <SelectItem value="DELETE">DELETE</SelectItem>
                        </SelectContent>
                      </Select>
                    </div>
                    <div>
                      <Label htmlFor="headers" className="text-sm">
                        Headers
                      </Label>
                      <Textarea
                        id="headers"
                        value={externalCallSettings.headers}
                        onChange={(e) => setExternalCallSettings({ ...externalCallSettings, headers: e.target.value })}
                        placeholder="{}"
                        rows={1}
                        className="text-sm"
                      />
                    </div>
                  </div>
                  <div>
                    <Label htmlFor="bodyTemplate" className="text-sm">
                      Body Template
                    </Label>
                    <Textarea
                      id="bodyTemplate"
                      value={externalCallSettings.bodyTemplate}
                      onChange={(e) =>
                        setExternalCallSettings({ ...externalCallSettings, bodyTemplate: e.target.value })
                      }
                      placeholder="{}"
                      rows={2}
                      className="text-sm"
                    />
                  </div>
                </>
              )}
            </div>
          </div>
        );

      default:
        return null;
    }
  };

  return (
    <Dialog open={isOpen} onOpenChange={handleCancel}>
      <DialogContent className="max-h-[80vh] max-w-3xl overflow-y-auto">
        <DialogHeader>
          <DialogTitle className="flex items-center gap-2 text-lg">
            <Link className="h-4 w-4" />
            필드 연결 설정
          </DialogTitle>
        </DialogHeader>

        <div className="space-y-4">
          {/* 테이블 및 컬럼 선택 */}
          <div className="rounded-lg border bg-gray-50 p-4">
            <div className="mb-4 text-sm font-medium">테이블 및 컬럼 선택</div>

            {/* 현재 선택된 테이블 표시 */}
            <div className="mb-4 grid grid-cols-2 gap-4">
              <div>
                <Label className="text-xs font-medium text-gray-600">From 테이블</Label>
                <div className="mt-1">
                  <span className="text-sm font-medium text-gray-800">
                    {availableTables.find((t) => t.tableName === selectedFromTable)?.displayName || selectedFromTable}
                  </span>
                  <span className="ml-2 text-xs text-gray-500">({selectedFromTable})</span>
                </div>
              </div>

              <div>
                <Label className="text-xs font-medium text-gray-600">To 테이블</Label>
                <div className="mt-1">
                  <span className="text-sm font-medium text-gray-800">
                    {availableTables.find((t) => t.tableName === selectedToTable)?.displayName || selectedToTable}
                  </span>
                  <span className="ml-2 text-xs text-gray-500">({selectedToTable})</span>
                </div>
              </div>
            </div>

            {/* 컬럼 선택 */}
            <div className="grid grid-cols-2 gap-4">
              <div>
                <Label className="text-xs font-medium text-gray-600">From 컬럼</Label>
                <div className="mt-2 max-h-32 overflow-y-auto rounded border bg-white p-2">
                  {fromTableColumns.map((column) => (
                    <label key={column.columnName} className="flex items-center gap-2 py-1 text-sm">
                      <input
                        type="checkbox"
                        checked={selectedFromColumns.includes(column.columnName)}
                        onChange={(e) => {
                          if (e.target.checked) {
                            setSelectedFromColumns((prev) => [...prev, column.columnName]);
                          } else {
                            setSelectedFromColumns((prev) => prev.filter((col) => col !== column.columnName));
                          }
                        }}
                        className="rounded"
                      />
                      <span>{column.columnName}</span>
                      <span className="text-xs text-gray-500">({column.dataType})</span>
                    </label>
                  ))}
                  {fromTableColumns.length === 0 && (
                    <div className="py-2 text-xs text-gray-500">
                      {selectedFromTable ? "컬럼을 불러오는 중..." : "테이블을 먼저 선택해주세요"}
                    </div>
                  )}
                </div>
              </div>

              <div>
                <Label className="text-xs font-medium text-gray-600">To 컬럼</Label>
                <div className="mt-2 max-h-32 overflow-y-auto rounded border bg-white p-2">
                  {toTableColumns.map((column) => (
                    <label key={column.columnName} className="flex items-center gap-2 py-1 text-sm">
                      <input
                        type="checkbox"
                        checked={selectedToColumns.includes(column.columnName)}
                        onChange={(e) => {
                          if (e.target.checked) {
                            setSelectedToColumns((prev) => [...prev, column.columnName]);
                          } else {
                            setSelectedToColumns((prev) => prev.filter((col) => col !== column.columnName));
                          }
                        }}
                        className="rounded"
                      />
                      <span>{column.columnName}</span>
                      <span className="text-xs text-gray-500">({column.dataType})</span>
                    </label>
                  ))}
                  {toTableColumns.length === 0 && (
                    <div className="py-2 text-xs text-gray-500">
                      {selectedToTable ? "컬럼을 불러오는 중..." : "테이블을 먼저 선택해주세요"}
                    </div>
                  )}
                </div>
              </div>
            </div>

            {/* 선택된 컬럼 미리보기 */}
            {(selectedFromColumns.length > 0 || selectedToColumns.length > 0) && (
              <div className="mt-4 grid grid-cols-2 gap-4">
                <div>
                  <Label className="text-xs font-medium text-gray-600">선택된 From 컬럼</Label>
                  <div className="mt-1 flex flex-wrap gap-1">
                    {selectedFromColumns.length > 0 ? (
                      selectedFromColumns.map((column) => (
                        <Badge key={column} variant="outline" className="text-xs">
                          {column}
                        </Badge>
                      ))
                    ) : (
                      <span className="text-xs text-gray-400">선택된 컬럼 없음</span>
                    )}
                  </div>
                </div>

                <div>
                  <Label className="text-xs font-medium text-gray-600">선택된 To 컬럼</Label>
                  <div className="mt-1 flex flex-wrap gap-1">
                    {selectedToColumns.length > 0 ? (
                      selectedToColumns.map((column) => (
                        <Badge key={column} variant="secondary" className="text-xs">
                          {column}
                        </Badge>
                      ))
                    ) : (
                      <span className="text-xs text-gray-400">선택된 컬럼 없음</span>
                    )}
                  </div>
                </div>
              </div>
            )}
          </div>

          {/* 기본 연결 설정 */}
          <div className="grid grid-cols-2 gap-4">
            <div>
              <Label htmlFor="relationshipName">연결 이름</Label>
              <Input
                id="relationshipName"
                value={config.relationshipName}
                onChange={(e) => setConfig({ ...config, relationshipName: e.target.value })}
                placeholder="employee_id_department_id_연결"
                className="text-sm"
              />
            </div>
          </div>

          {/* 연결 종류 선택 */}
          <div>
            <Label className="text-sm font-medium">연결 종류</Label>
            <div className="mt-2 grid grid-cols-3 gap-2">
              <div
                className={`cursor-pointer rounded-lg border-2 p-3 text-center transition-colors ${
                  config.connectionType === "simple-key"
                    ? "border-blue-500 bg-blue-50"
                    : "border-gray-200 hover:border-gray-300"
                }`}
                onClick={() => setConfig({ ...config, connectionType: "simple-key" })}
              >
                <Key className="mx-auto h-6 w-6 text-blue-500" />
                <div className="mt-1 text-xs font-medium">단순 키값 연결</div>
                <div className="text-xs text-gray-600">중계 테이블 생성</div>
              </div>

              <div
                className={`cursor-pointer rounded-lg border-2 p-3 text-center transition-colors ${
                  config.connectionType === "data-save"
                    ? "border-green-500 bg-green-50"
                    : "border-gray-200 hover:border-gray-300"
                }`}
                onClick={() => setConfig({ ...config, connectionType: "data-save" })}
              >
                <Save className="mx-auto h-6 w-6 text-green-500" />
                <div className="mt-1 text-xs font-medium">데이터 저장</div>
                <div className="text-xs text-gray-600">필드 매핑 저장</div>
              </div>

              <div
                className={`cursor-pointer rounded-lg border-2 p-3 text-center transition-colors ${
                  config.connectionType === "external-call"
                    ? "border-orange-500 bg-orange-50"
                    : "border-gray-200 hover:border-gray-300"
                }`}
                onClick={() => setConfig({ ...config, connectionType: "external-call" })}
              >
                <Globe className="mx-auto h-6 w-6 text-orange-500" />
                <div className="mt-1 text-xs font-medium">외부 호출</div>
                <div className="text-xs text-gray-600">API/이메일 호출</div>
              </div>
            </div>
          </div>

          {/* 조건부 연결을 위한 조건 설정 */}
          {isConditionalConnection() && renderConditionalSettings()}

          {/* 연결 종류별 상세 설정 */}
          {renderConnectionTypeSettings()}
        </div>

        <DialogFooter>
          <Button variant="outline" onClick={handleCancel}>
            취소
          </Button>
          <Button onClick={handleConfirm} disabled={!config.relationshipName}>
            연결 생성
          </Button>
        </DialogFooter>
      </DialogContent>
    </Dialog>
  );
};