ERP-node/backend-node/src/services/menuCopyService.ts

import { PoolClient } from "pg";
import { query, pool } from "../database/db";
import logger from "../utils/logger";

/**
 * 메뉴 복사 결과
 */
export interface MenuCopyResult {
  success: boolean;
  copiedMenus: number;
  copiedScreens: number;
  copiedFlows: number;
  copiedCategories: number;
  copiedCodes: number;
  copiedCategorySettings: number;
  copiedNumberingRules: number;
  menuIdMap: Record<number, number>;
  screenIdMap: Record<number, number>;
  flowIdMap: Record<number, number>;
  warnings: string[];
}

/**
 * 메뉴 정보
 */
interface Menu {
  objid: number;
  menu_type: number | null;
  parent_obj_id: number | null;
  menu_name_kor: string | null;
  menu_name_eng: string | null;
  seq: number | null;
  menu_url: string | null;
  menu_desc: string | null;
  writer: string | null;
  regdate: Date | null;
  status: string | null;
  system_name: string | null;
  company_code: string | null;
  lang_key: string | null;
  lang_key_desc: string | null;
  screen_code: string | null;
  menu_code: string | null;
}

/**
 * 화면 정의
 */
interface ScreenDefinition {
  screen_id: number;
  screen_name: string;
  screen_code: string;
  table_name: string;
  company_code: string;
  description: string | null;
  is_active: string;
  layout_metadata: any;
  db_source_type: string | null;
  db_connection_id: number | null;
}

/**
 * 화면 레이아웃
 */
interface ScreenLayout {
  layout_id: number;
  screen_id: number;
  component_type: string;
  component_id: string;
  parent_id: string | null;
  position_x: number;
  position_y: number;
  width: number;
  height: number;
  properties: any;
  display_order: number;
  layout_type: string | null;
  layout_config: any;
  zones_config: any;
  zone_id: string | null;
}

/**
 * 플로우 정의
 */
interface FlowDefinition {
  id: number;
  name: string;
  description: string | null;
  table_name: string;
  is_active: boolean;
  company_code: string;
  db_source_type: string | null;
  db_connection_id: number | null;
}

/**
 * 플로우 스텝
 */
interface FlowStep {
  id: number;
  flow_definition_id: number;
  step_name: string;
  step_order: number;
  condition_json: any;
  color: string | null;
  position_x: number | null;
  position_y: number | null;
  table_name: string | null;
  move_type: string | null;
  status_column: string | null;
  status_value: string | null;
  target_table: string | null;
  field_mappings: any;
  required_fields: any;
  integration_type: string | null;
  integration_config: any;
  display_config: any;
}

/**
 * 플로우 스텝 연결
 */
interface FlowStepConnection {
  id: number;
  flow_definition_id: number;
  from_step_id: number;
  to_step_id: number;
  label: string | null;
}

/**
 * 코드 카테고리
 */
interface CodeCategory {
  category_code: string;
  category_name: string;
  category_name_eng: string | null;
  description: string | null;
  sort_order: number | null;
  is_active: string;
  company_code: string;
  menu_objid: number;
}

/**
 * 코드 정보
 */
interface CodeInfo {
  code_category: string;
  code_value: string;
  code_name: string;
  code_name_eng: string | null;
  description: string | null;
  sort_order: number | null;
  is_active: string;
  company_code: string;
  menu_objid: number;
}

/**
 * 메뉴 복사 서비스
 */
export class MenuCopyService {
  /**
   * 메뉴 트리 수집 (재귀)
   */
  private async collectMenuTree(
    rootMenuObjid: number,
    client: PoolClient
  ): Promise<Menu[]> {
    logger.info(`📂 메뉴 트리 수집 시작: rootMenuObjid=${rootMenuObjid}`);

    const result: Menu[] = [];
    const visited = new Set<number>();
    const stack: number[] = [rootMenuObjid];

    while (stack.length > 0) {
      const currentObjid = stack.pop()!;

      if (visited.has(currentObjid)) continue;
      visited.add(currentObjid);

      // 현재 메뉴 조회
      const menuResult = await client.query<Menu>(
        `SELECT * FROM menu_info WHERE objid = $1`,
        [currentObjid]
      );

      if (menuResult.rows.length === 0) {
        logger.warn(`⚠️ 메뉴를 찾을 수 없음: objid=${currentObjid}`);
        continue;
      }

      const menu = menuResult.rows[0];
      result.push(menu);

      // 자식 메뉴 조회
      const childrenResult = await client.query<Menu>(
        `SELECT * FROM menu_info WHERE parent_obj_id = $1 ORDER BY seq`,
        [currentObjid]
      );

      for (const child of childrenResult.rows) {
        if (!visited.has(child.objid)) {
          stack.push(child.objid);
        }
      }
    }

    logger.info(`✅ 메뉴 트리 수집 완료: ${result.length}개`);
    return result;
  }

  /**
   * 화면 레이아웃에서 참조 화면 추출
   */
  private extractReferencedScreens(layouts: ScreenLayout[]): number[] {
    const referenced: number[] = [];

    for (const layout of layouts) {
      const props = layout.properties;

      if (!props) continue;

      // 1) 모달 버튼 (숫자 또는 문자열)
      if (props?.componentConfig?.action?.targetScreenId) {
        const targetId = props.componentConfig.action.targetScreenId;
        const numId =
          typeof targetId === "number" ? targetId : parseInt(targetId);
        if (!isNaN(numId)) {
          referenced.push(numId);
        }
      }

      // 2) 조건부 컨테이너 (숫자 또는 문자열)
      if (
        props?.componentConfig?.sections &&
        Array.isArray(props.componentConfig.sections)
      ) {
        for (const section of props.componentConfig.sections) {
          if (section.screenId) {
            const screenId = section.screenId;
            const numId =
              typeof screenId === "number" ? screenId : parseInt(screenId);
            if (!isNaN(numId)) {
              referenced.push(numId);
            }
          }
        }
      }
    }

    return referenced;
  }

  /**
   * 화면 수집 (중복 제거, 재귀적 참조 추적)
   */
  private async collectScreens(
    menuObjids: number[],
    sourceCompanyCode: string,
    client: PoolClient
  ): Promise<Set<number>> {
    logger.info(
      `📄 화면 수집 시작: ${menuObjids.length}개 메뉴, company=${sourceCompanyCode}`
    );

    const screenIds = new Set<number>();
    const visited = new Set<number>();

    // 1) 메뉴에 직접 할당된 화면
    for (const menuObjid of menuObjids) {
      const assignmentsResult = await client.query<{ screen_id: number }>(
        `SELECT DISTINCT screen_id 
         FROM screen_menu_assignments 
         WHERE menu_objid = $1 AND company_code = $2`,
        [menuObjid, sourceCompanyCode]
      );

      for (const assignment of assignmentsResult.rows) {
        screenIds.add(assignment.screen_id);
      }
    }

    logger.info(`📌 직접 할당 화면: ${screenIds.size}개`);

    // 2) 화면 내부에서 참조되는 화면 (재귀)
    const queue = Array.from(screenIds);

    while (queue.length > 0) {
      const screenId = queue.shift()!;

      if (visited.has(screenId)) continue;
      visited.add(screenId);

      // 화면 레이아웃 조회
      const layoutsResult = await client.query<ScreenLayout>(
        `SELECT * FROM screen_layouts WHERE screen_id = $1`,
        [screenId]
      );

      // 참조 화면 추출
      const referencedScreens = this.extractReferencedScreens(
        layoutsResult.rows
      );

      if (referencedScreens.length > 0) {
        logger.info(
          `    📎 화면 ${screenId}에서 참조 화면 발견: ${referencedScreens.join(", ")}`
        );
      }

      for (const refId of referencedScreens) {
        if (!screenIds.has(refId)) {
          screenIds.add(refId);
          queue.push(refId);
        }
      }
    }

    logger.info(`✅ 화면 수집 완료: ${screenIds.size}개 (참조 포함)`);
    return screenIds;
  }

  /**
   * 플로우 수집
   */
  private async collectFlows(
    screenIds: Set<number>,
    client: PoolClient
  ): Promise<Set<number>> {
    logger.info(`🔄 플로우 수집 시작: ${screenIds.size}개 화면`);

    const flowIds = new Set<number>();

    for (const screenId of screenIds) {
      const layoutsResult = await client.query<ScreenLayout>(
        `SELECT properties FROM screen_layouts WHERE screen_id = $1`,
        [screenId]
      );

      for (const layout of layoutsResult.rows) {
        const props = layout.properties;

        // webTypeConfig.dataflowConfig.flowConfig.flowId
        const flowId = props?.webTypeConfig?.dataflowConfig?.flowConfig?.flowId;
        if (flowId) {
          flowIds.add(flowId);
        }
      }
    }

    logger.info(`✅ 플로우 수집 완료: ${flowIds.size}개`);
    return flowIds;
  }

  /**
   * 코드 수집
   */
  private async collectCodes(
    menuObjids: number[],
    sourceCompanyCode: string,
    client: PoolClient
  ): Promise<{ categories: CodeCategory[]; codes: CodeInfo[] }> {
    logger.info(`📋 코드 수집 시작: ${menuObjids.length}개 메뉴`);

    const categories: CodeCategory[] = [];
    const codes: CodeInfo[] = [];

    for (const menuObjid of menuObjids) {
      // 코드 카테고리
      const catsResult = await client.query<CodeCategory>(
        `SELECT * FROM code_category 
         WHERE menu_objid = $1 AND company_code = $2`,
        [menuObjid, sourceCompanyCode]
      );
      categories.push(...catsResult.rows);

      // 각 카테고리의 코드 정보
      for (const cat of catsResult.rows) {
        const codesResult = await client.query<CodeInfo>(
          `SELECT * FROM code_info 
           WHERE code_category = $1 AND menu_objid = $2 AND company_code = $3`,
          [cat.category_code, menuObjid, sourceCompanyCode]
        );
        codes.push(...codesResult.rows);
      }
    }

    logger.info(
      `✅ 코드 수집 완료: 카테고리 ${categories.length}개, 코드 ${codes.length}개`
    );
    return { categories, codes };
  }

  /**
   * 카테고리 설정 수집
   */
  private async collectCategorySettings(
    menuObjids: number[],
    sourceCompanyCode: string,
    client: PoolClient
  ): Promise<{
    columnMappings: any[];
    categoryValues: any[];
  }> {
    logger.info(`📂 카테고리 설정 수집 시작: ${menuObjids.length}개 메뉴`);

    const columnMappings: any[] = [];
    const categoryValues: any[] = [];

    // 카테고리 컬럼 매핑 (메뉴별 + 공통)
    const mappingsResult = await client.query(
      `SELECT * FROM category_column_mapping 
       WHERE (menu_objid = ANY($1) OR menu_objid = 0) 
       AND company_code = $2`,
      [menuObjids, sourceCompanyCode]
    );
    columnMappings.push(...mappingsResult.rows);

    // 테이블 컬럼 카테고리 값 (메뉴별 + 공통)
    const valuesResult = await client.query(
      `SELECT * FROM table_column_category_values 
       WHERE (menu_objid = ANY($1) OR menu_objid = 0) 
       AND company_code = $2`,
      [menuObjids, sourceCompanyCode]
    );
    categoryValues.push(...valuesResult.rows);

    logger.info(
      `✅ 카테고리 설정 수집 완료: 컬럼 매핑 ${columnMappings.length}개 (공통 포함), 카테고리 값 ${categoryValues.length}개 (공통 포함)`
    );
    return { columnMappings, categoryValues };
  }

  /**
   * 채번 규칙 수집
   */
  private async collectNumberingRules(
    menuObjids: number[],
    sourceCompanyCode: string,
    client: PoolClient
  ): Promise<{
    rules: any[];
    parts: any[];
  }> {
    logger.info(`📋 채번 규칙 수집 시작: ${menuObjids.length}개 메뉴`);

    const rules: any[] = [];
    const parts: any[] = [];

    for (const menuObjid of menuObjids) {
      // 채번 규칙
      const rulesResult = await client.query(
        `SELECT * FROM numbering_rules 
         WHERE menu_objid = $1 AND company_code = $2`,
        [menuObjid, sourceCompanyCode]
      );
      rules.push(...rulesResult.rows);

      // 각 규칙의 파트
      for (const rule of rulesResult.rows) {
        const partsResult = await client.query(
          `SELECT * FROM numbering_rule_parts 
           WHERE rule_id = $1 AND company_code = $2`,
          [rule.rule_id, sourceCompanyCode]
        );
        parts.push(...partsResult.rows);
      }
    }

    logger.info(
      `✅ 채번 규칙 수집 완료: 규칙 ${rules.length}개, 파트 ${parts.length}개`
    );
    return { rules, parts };
  }

  /**
   * 다음 메뉴 objid 생성
   */
  private async getNextMenuObjid(client: PoolClient): Promise<number> {
    const result = await client.query<{ max_objid: string }>(
      `SELECT COALESCE(MAX(objid), 0)::text as max_objid FROM menu_info`
    );
    return parseInt(result.rows[0].max_objid, 10) + 1;
  }

  /**
   * 고유 화면 코드 생성
   */
  private async generateUniqueScreenCode(
    targetCompanyCode: string,
    client: PoolClient
  ): Promise<string> {
    // {company_code}_{순번} 형식
    const prefix = targetCompanyCode === "*" ? "*" : targetCompanyCode;

    const result = await client.query<{ max_num: string }>(
      `SELECT COALESCE(
        MAX(
          CASE 
            WHEN screen_code ~ '^${prefix}_[0-9]+$' 
            THEN CAST(SUBSTRING(screen_code FROM '${prefix}_([0-9]+)') AS INTEGER)
            ELSE 0
          END
        ), 0
      )::text as max_num
      FROM screen_definitions
      WHERE company_code = $1`,
      [targetCompanyCode]
    );

    const maxNum = parseInt(result.rows[0].max_num, 10);
    const newNum = maxNum + 1;
    return `${prefix}_${String(newNum).padStart(3, "0")}`;
  }

  /**
   * properties 내부 참조 업데이트
   */
  /**
   * properties 내부의 모든 screen_id, screenId, targetScreenId, flowId 재귀 업데이트
   */
  private updateReferencesInProperties(
    properties: any,
    screenIdMap: Map<number, number>,
    flowIdMap: Map<number, number>
  ): any {
    if (!properties) return properties;

    // 깊은 복사
    const updated = JSON.parse(JSON.stringify(properties));

    // 재귀적으로 객체/배열 탐색
    this.recursiveUpdateReferences(updated, screenIdMap, flowIdMap);

    return updated;
  }

  /**
   * 재귀적으로 모든 ID 참조 업데이트
   */
  private recursiveUpdateReferences(
    obj: any,
    screenIdMap: Map<number, number>,
    flowIdMap: Map<number, number>,
    path: string = ""
  ): void {
    if (!obj || typeof obj !== "object") return;

    // 배열인 경우
    if (Array.isArray(obj)) {
      obj.forEach((item, index) => {
        this.recursiveUpdateReferences(
          item,
          screenIdMap,
          flowIdMap,
          `${path}[${index}]`
        );
      });
      return;
    }

    // 객체인 경우 - 키별로 처리
    for (const key of Object.keys(obj)) {
      const value = obj[key];
      const currentPath = path ? `${path}.${key}` : key;

      // screen_id, screenId, targetScreenId 매핑 (숫자 또는 숫자 문자열)
      if (
        key === "screen_id" ||
        key === "screenId" ||
        key === "targetScreenId"
      ) {
        const numValue = typeof value === "number" ? value : parseInt(value);
        if (!isNaN(numValue)) {
          const newId = screenIdMap.get(numValue);
          if (newId) {
            obj[key] = typeof value === "number" ? newId : String(newId); // 원래 타입 유지
            logger.info(
              `    🔗 화면 참조 업데이트 (${currentPath}): ${value} → ${newId}`
            );
          }
        }
      }

      // flowId 매핑 (숫자 또는 숫자 문자열)
      if (key === "flowId") {
        const numValue = typeof value === "number" ? value : parseInt(value);
        if (!isNaN(numValue)) {
          const newId = flowIdMap.get(numValue);
          if (newId) {
            obj[key] = typeof value === "number" ? newId : String(newId); // 원래 타입 유지
            logger.debug(
              `  🔗 플로우 참조 업데이트 (${currentPath}): ${value} → ${newId}`
            );
          }
        }
      }

      // 재귀 호출
      if (typeof value === "object" && value !== null) {
        this.recursiveUpdateReferences(
          value,
          screenIdMap,
          flowIdMap,
          currentPath
        );
      }
    }
  }

  /**
   * 기존 복사본 삭제 (덮어쓰기를 위한 사전 정리)
   *
   * 같은 원본 메뉴에서 복사된 메뉴 구조가 대상 회사에 이미 존재하면 삭제
   */
  private async deleteExistingCopy(
    sourceMenuObjid: number,
    targetCompanyCode: string,
    client: PoolClient
  ): Promise<void> {
    logger.info("\n🗑️  [0단계] 기존 복사본 확인 및 삭제");

    // 1. 대상 회사에 같은 이름의 최상위 메뉴가 있는지 확인
    const sourceMenuResult = await client.query<Menu>(
      `SELECT menu_name_kor, menu_name_eng 
       FROM menu_info 
       WHERE objid = $1`,
      [sourceMenuObjid]
    );

    if (sourceMenuResult.rows.length === 0) {
      logger.warn("⚠️ 원본 메뉴를 찾을 수 없습니다");
      return;
    }

    const sourceMenu = sourceMenuResult.rows[0];

    // 2. 대상 회사에 같은 원본에서 복사된 메뉴 찾기 (source_menu_objid로 정확히 매칭)
    const existingMenuResult = await client.query<{ objid: number }>(
      `SELECT objid 
       FROM menu_info 
       WHERE source_menu_objid = $1 
         AND company_code = $2 
         AND (parent_obj_id = 0 OR parent_obj_id IS NULL)`,
      [sourceMenuObjid, targetCompanyCode]
    );

    if (existingMenuResult.rows.length === 0) {
      logger.info("✅ 기존 복사본 없음 - 새로 생성됩니다");
      return;
    }

    const existingMenuObjid = existingMenuResult.rows[0].objid;
    logger.info(
      `🔍 기존 복사본 발견: ${sourceMenu.menu_name_kor} (원본: ${sourceMenuObjid}, 복사본: ${existingMenuObjid})`
    );

    // 3. 기존 메뉴 트리 수집
    const existingMenus = await this.collectMenuTree(existingMenuObjid, client);
    const existingMenuIds = existingMenus.map((m) => m.objid);

    logger.info(`📊 삭제 대상: 메뉴 ${existingMenus.length}개`);

    // 4. 관련 화면 ID 수집
    const existingScreenIds = await client.query<{ screen_id: number }>(
      `SELECT DISTINCT screen_id 
       FROM screen_menu_assignments 
       WHERE menu_objid = ANY($1) AND company_code = $2`,
      [existingMenuIds, targetCompanyCode]
    );

    const screenIds = existingScreenIds.rows.map((r) => r.screen_id);

    // 5. 삭제 순서 (외래키 제약 고려)

    // 5-1. 화면 레이아웃 삭제
    if (screenIds.length > 0) {
      await client.query(
        `DELETE FROM screen_layouts WHERE screen_id = ANY($1)`,
        [screenIds]
      );
      logger.info(`  ✅ 화면 레이아웃 삭제 완료`);
    }

    // 5-2. 화면-메뉴 할당 삭제
    await client.query(
      `DELETE FROM screen_menu_assignments 
       WHERE menu_objid = ANY($1) AND company_code = $2`,
      [existingMenuIds, targetCompanyCode]
    );
    logger.info(`  ✅ 화면-메뉴 할당 삭제 완료`);

    // 5-3. 화면 정의 삭제
    if (screenIds.length > 0) {
      await client.query(
        `DELETE FROM screen_definitions 
         WHERE screen_id = ANY($1) AND company_code = $2`,
        [screenIds, targetCompanyCode]
      );
      logger.info(`  ✅ 화면 정의 삭제 완료`);
    }

    // 5-4. 메뉴 권한 삭제
    await client.query(`DELETE FROM rel_menu_auth WHERE menu_objid = ANY($1)`, [
      existingMenuIds,
    ]);
    logger.info(`  ✅ 메뉴 권한 삭제 완료`);

    // 5-5. 채번 규칙 파트 삭제
    await client.query(
      `DELETE FROM numbering_rule_parts
       WHERE rule_id IN (
         SELECT rule_id FROM numbering_rules 
         WHERE menu_objid = ANY($1) AND company_code = $2
       )`,
      [existingMenuIds, targetCompanyCode]
    );
    logger.info(`  ✅ 채번 규칙 파트 삭제 완료`);

    // 5-6. 채번 규칙 삭제
    await client.query(
      `DELETE FROM numbering_rules 
       WHERE menu_objid = ANY($1) AND company_code = $2`,
      [existingMenuIds, targetCompanyCode]
    );
    logger.info(`  ✅ 채번 규칙 삭제 완료`);

    // 5-7. 테이블 컬럼 카테고리 값 삭제
    await client.query(
      `DELETE FROM table_column_category_values 
       WHERE menu_objid = ANY($1) AND company_code = $2`,
      [existingMenuIds, targetCompanyCode]
    );
    logger.info(`  ✅ 카테고리 값 삭제 완료`);

    // 5-8. 카테고리 컬럼 매핑 삭제
    await client.query(
      `DELETE FROM category_column_mapping 
       WHERE menu_objid = ANY($1) AND company_code = $2`,
      [existingMenuIds, targetCompanyCode]
    );
    logger.info(`  ✅ 카테고리 매핑 삭제 완료`);

    // 5-9. 메뉴 삭제 (역순: 하위 메뉴부터)
    for (let i = existingMenus.length - 1; i >= 0; i--) {
      await client.query(`DELETE FROM menu_info WHERE objid = $1`, [
        existingMenus[i].objid,
      ]);
    }
    logger.info(`  ✅ 메뉴 삭제 완료: ${existingMenus.length}개`);

    logger.info("✅ 기존 복사본 삭제 완료 - 덮어쓰기 준비됨");
  }

  /**
   * 메뉴 복사 (메인 함수)
   */
  async copyMenu(
    sourceMenuObjid: number,
    targetCompanyCode: string,
    userId: string,
    screenNameConfig?: {
      removeText?: string;
      addPrefix?: string;
    }
  ): Promise<MenuCopyResult> {
    logger.info(`
🚀 ============================================
   메뉴 복사 시작
   원본 메뉴: ${sourceMenuObjid}
   대상 회사: ${targetCompanyCode}
   사용자: ${userId}
============================================
    `);

    const warnings: string[] = [];
    const client = await pool.connect();

    try {
      // 트랜잭션 시작
      await client.query("BEGIN");
      logger.info("📦 트랜잭션 시작");

      // === 0단계: 기존 복사본 삭제 (덮어쓰기) ===
      await this.deleteExistingCopy(sourceMenuObjid, targetCompanyCode, client);

      // === 1단계: 수집 (Collection Phase) ===
      logger.info("\n📂 [1단계] 데이터 수집");

      const menus = await this.collectMenuTree(sourceMenuObjid, client);
      const sourceCompanyCode = menus[0].company_code!;

      const screenIds = await this.collectScreens(
        menus.map((m) => m.objid),
        sourceCompanyCode,
        client
      );

      const flowIds = await this.collectFlows(screenIds, client);

      const codes = await this.collectCodes(
        menus.map((m) => m.objid),
        sourceCompanyCode,
        client
      );

      const categorySettings = await this.collectCategorySettings(
        menus.map((m) => m.objid),
        sourceCompanyCode,
        client
      );

      const numberingRules = await this.collectNumberingRules(
        menus.map((m) => m.objid),
        sourceCompanyCode,
        client
      );

      logger.info(`
📊 수집 완료:
   - 메뉴: ${menus.length}개
   - 화면: ${screenIds.size}개
   - 플로우: ${flowIds.size}개
   - 코드 카테고리: ${codes.categories.length}개
   - 코드: ${codes.codes.length}개
   - 카테고리 설정: 컬럼 매핑 ${categorySettings.columnMappings.length}개, 카테고리 값 ${categorySettings.categoryValues.length}개
   - 채번 규칙: 규칙 ${numberingRules.rules.length}개, 파트 ${numberingRules.parts.length}개
      `);

      // === 2단계: 플로우 복사 ===
      logger.info("\n🔄 [2단계] 플로우 복사");
      const flowIdMap = await this.copyFlows(
        flowIds,
        targetCompanyCode,
        userId,
        client
      );

      // === 3단계: 화면 복사 ===
      logger.info("\n📄 [3단계] 화면 복사");
      const screenIdMap = await this.copyScreens(
        screenIds,
        targetCompanyCode,
        flowIdMap,
        userId,
        client,
        screenNameConfig
      );

      // === 4단계: 메뉴 복사 ===
      logger.info("\n📂 [4단계] 메뉴 복사");
      const menuIdMap = await this.copyMenus(
        menus,
        sourceMenuObjid, // 원본 최상위 메뉴 ID 전달
        targetCompanyCode,
        screenIdMap,
        userId,
        client
      );

      // === 5단계: 화면-메뉴 할당 ===
      logger.info("\n🔗 [5단계] 화면-메뉴 할당");
      await this.createScreenMenuAssignments(
        menus,
        menuIdMap,
        screenIdMap,
        targetCompanyCode,
        client
      );

      // === 6단계: 코드 복사 ===
      logger.info("\n📋 [6단계] 코드 복사");
      await this.copyCodes(codes, menuIdMap, targetCompanyCode, userId, client);

      // === 7단계: 카테고리 설정 복사 ===
      logger.info("\n📂 [7단계] 카테고리 설정 복사");
      await this.copyCategorySettings(
        categorySettings,
        menuIdMap,
        targetCompanyCode,
        userId,
        client
      );

      // === 8단계: 채번 규칙 복사 ===
      logger.info("\n📋 [8단계] 채번 규칙 복사");
      await this.copyNumberingRules(
        numberingRules,
        menuIdMap,
        targetCompanyCode,
        userId,
        client
      );

      // 커밋
      await client.query("COMMIT");
      logger.info("✅ 트랜잭션 커밋 완료");

      const result: MenuCopyResult = {
        success: true,
        copiedMenus: menuIdMap.size,
        copiedScreens: screenIdMap.size,
        copiedFlows: flowIdMap.size,
        copiedCategories: codes.categories.length,
        copiedCodes: codes.codes.length,
        copiedCategorySettings:
          categorySettings.columnMappings.length +
          categorySettings.categoryValues.length,
        copiedNumberingRules:
          numberingRules.rules.length + numberingRules.parts.length,
        menuIdMap: Object.fromEntries(menuIdMap),
        screenIdMap: Object.fromEntries(screenIdMap),
        flowIdMap: Object.fromEntries(flowIdMap),
        warnings,
      };

      logger.info(`
🎉 ============================================
   메뉴 복사 완료!
   - 메뉴: ${result.copiedMenus}개
   - 화면: ${result.copiedScreens}개
   - 플로우: ${result.copiedFlows}개
   - 코드 카테고리: ${result.copiedCategories}개
   - 코드: ${result.copiedCodes}개
   - 카테고리 설정: ${result.copiedCategorySettings}개
   - 채번 규칙: ${result.copiedNumberingRules}개
============================================
      `);

      return result;
    } catch (error: any) {
      // 롤백
      await client.query("ROLLBACK");
      logger.error("❌ 메뉴 복사 실패, 롤백됨:", error);
      throw error;
    } finally {
      client.release();
    }
  }

  /**
   * 플로우 복사
   */
  private async copyFlows(
    flowIds: Set<number>,
    targetCompanyCode: string,
    userId: string,
    client: PoolClient
  ): Promise<Map<number, number>> {
    const flowIdMap = new Map<number, number>();

    if (flowIds.size === 0) {
      logger.info("📭 복사할 플로우 없음");
      return flowIdMap;
    }

    logger.info(`🔄 플로우 복사 중: ${flowIds.size}개`);

    for (const originalFlowId of flowIds) {
      try {
        // 1) flow_definition 조회
        const flowDefResult = await client.query<FlowDefinition>(
          `SELECT * FROM flow_definition WHERE id = $1`,
          [originalFlowId]
        );

        if (flowDefResult.rows.length === 0) {
          logger.warn(`⚠️ 플로우를 찾을 수 없음: id=${originalFlowId}`);
          continue;
        }

        const flowDef = flowDefResult.rows[0];

        // 2) flow_definition 복사
        const newFlowResult = await client.query<{ id: number }>(
          `INSERT INTO flow_definition (
            name, description, table_name, is_active, 
            company_code, created_by, db_source_type, db_connection_id
          ) VALUES ($1, $2, $3, $4, $5, $6, $7, $8)
          RETURNING id`,
          [
            flowDef.name,
            flowDef.description,
            flowDef.table_name,
            flowDef.is_active,
            targetCompanyCode, // 새 회사 코드
            userId,
            flowDef.db_source_type,
            flowDef.db_connection_id,
          ]
        );

        const newFlowId = newFlowResult.rows[0].id;
        flowIdMap.set(originalFlowId, newFlowId);

        logger.info(
          `  ✅ 플로우 복사: ${originalFlowId} → ${newFlowId} (${flowDef.name})`
        );

        // 3) flow_step 복사
        const stepsResult = await client.query<FlowStep>(
          `SELECT * FROM flow_step WHERE flow_definition_id = $1 ORDER BY step_order`,
          [originalFlowId]
        );

        const stepIdMap = new Map<number, number>();

        for (const step of stepsResult.rows) {
          const newStepResult = await client.query<{ id: number }>(
            `INSERT INTO flow_step (
              flow_definition_id, step_name, step_order, condition_json,
              color, position_x, position_y, table_name, move_type,
              status_column, status_value, target_table, field_mappings,
              required_fields, integration_type, integration_config, display_config
            ) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15, $16, $17)
            RETURNING id`,
            [
              newFlowId, // 새 플로우 ID
              step.step_name,
              step.step_order,
              step.condition_json,
              step.color,
              step.position_x,
              step.position_y,
              step.table_name,
              step.move_type,
              step.status_column,
              step.status_value,
              step.target_table,
              step.field_mappings,
              step.required_fields,
              step.integration_type,
              step.integration_config,
              step.display_config,
            ]
          );

          const newStepId = newStepResult.rows[0].id;
          stepIdMap.set(step.id, newStepId);
        }

        logger.info(`    ↳ 스텝 복사: ${stepIdMap.size}개`);

        // 4) flow_step_connection 복사 (스텝 ID 재매핑)
        const connectionsResult = await client.query<FlowStepConnection>(
          `SELECT * FROM flow_step_connection WHERE flow_definition_id = $1`,
          [originalFlowId]
        );

        for (const conn of connectionsResult.rows) {
          const newFromStepId = stepIdMap.get(conn.from_step_id);
          const newToStepId = stepIdMap.get(conn.to_step_id);

          if (!newFromStepId || !newToStepId) {
            logger.warn(
              `⚠️ 스텝 ID 매핑 실패: ${conn.from_step_id} → ${conn.to_step_id}`
            );
            continue;
          }

          await client.query(
            `INSERT INTO flow_step_connection (
              flow_definition_id, from_step_id, to_step_id, label
            ) VALUES ($1, $2, $3, $4)`,
            [newFlowId, newFromStepId, newToStepId, conn.label]
          );
        }

        logger.info(`    ↳ 연결 복사: ${connectionsResult.rows.length}개`);
      } catch (error: any) {
        logger.error(`❌ 플로우 복사 실패: id=${originalFlowId}`, error);
        throw error;
      }
    }

    logger.info(`✅ 플로우 복사 완료: ${flowIdMap.size}개`);
    return flowIdMap;
  }

  /**
   * 화면 복사
   */
  private async copyScreens(
    screenIds: Set<number>,
    targetCompanyCode: string,
    flowIdMap: Map<number, number>,
    userId: string,
    client: PoolClient,
    screenNameConfig?: {
      removeText?: string;
      addPrefix?: string;
    }
  ): Promise<Map<number, number>> {
    const screenIdMap = new Map<number, number>();

    if (screenIds.size === 0) {
      logger.info("📭 복사할 화면 없음");
      return screenIdMap;
    }

    logger.info(`📄 화면 복사 중: ${screenIds.size}개`);

    // === 1단계: 모든 screen_definitions 먼저 복사 (screenIdMap 생성) ===
    const screenDefsToProcess: Array<{
      originalScreenId: number;
      newScreenId: number;
      screenDef: ScreenDefinition;
    }> = [];

    for (const originalScreenId of screenIds) {
      try {
        // 1) screen_definitions 조회
        const screenDefResult = await client.query<ScreenDefinition>(
          `SELECT * FROM screen_definitions WHERE screen_id = $1`,
          [originalScreenId]
        );

        if (screenDefResult.rows.length === 0) {
          logger.warn(`⚠️ 화면을 찾을 수 없음: screen_id=${originalScreenId}`);
          continue;
        }

        const screenDef = screenDefResult.rows[0];

        // 2) 새 screen_code 생성
        const newScreenCode = await this.generateUniqueScreenCode(
          targetCompanyCode,
          client
        );

        // 2-1) 화면명 변환 적용
        let transformedScreenName = screenDef.screen_name;
        if (screenNameConfig) {
          // 1. 제거할 텍스트 제거
          if (screenNameConfig.removeText?.trim()) {
            transformedScreenName = transformedScreenName.replace(
              new RegExp(screenNameConfig.removeText.trim(), "g"),
              ""
            );
            transformedScreenName = transformedScreenName.trim(); // 앞뒤 공백 제거
          }

          // 2. 접두사 추가
          if (screenNameConfig.addPrefix?.trim()) {
            transformedScreenName =
              screenNameConfig.addPrefix.trim() + " " + transformedScreenName;
          }
        }

        // 3) screen_definitions 복사 (deleted 필드는 NULL로 설정, 삭제된 화면도 활성화)
        const newScreenResult = await client.query<{ screen_id: number }>(
          `INSERT INTO screen_definitions (
            screen_name, screen_code, table_name, company_code,
            description, is_active, layout_metadata,
            db_source_type, db_connection_id, created_by,
            deleted_date, deleted_by, delete_reason
          ) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13)
          RETURNING screen_id`,
          [
            transformedScreenName, // 변환된 화면명
            newScreenCode, // 새 화면 코드
            screenDef.table_name,
            targetCompanyCode, // 새 회사 코드
            screenDef.description,
            screenDef.is_active === "D" ? "Y" : screenDef.is_active, // 삭제된 화면은 활성화
            screenDef.layout_metadata,
            screenDef.db_source_type,
            screenDef.db_connection_id,
            userId,
            null, // deleted_date: NULL (새 화면은 삭제되지 않음)
            null, // deleted_by: NULL
            null, // delete_reason: NULL
          ]
        );

        const newScreenId = newScreenResult.rows[0].screen_id;
        screenIdMap.set(originalScreenId, newScreenId);

        logger.info(
          `  ✅ 화면 정의 복사: ${originalScreenId} → ${newScreenId} (${screenDef.screen_name})`
        );

        // 저장해서 2단계에서 처리
        screenDefsToProcess.push({ originalScreenId, newScreenId, screenDef });
      } catch (error: any) {
        logger.error(
          `❌ 화면 정의 복사 실패: screen_id=${originalScreenId}`,
          error
        );
        throw error;
      }
    }

    // === 2단계: screen_layouts 복사 (이제 screenIdMap이 완성됨) ===
    logger.info(
      `\n📐 레이아웃 복사 시작 (screenIdMap 완성: ${screenIdMap.size}개)`
    );

    for (const {
      originalScreenId,
      newScreenId,
      screenDef,
    } of screenDefsToProcess) {
      try {
        // screen_layouts 복사
        const layoutsResult = await client.query<ScreenLayout>(
          `SELECT * FROM screen_layouts WHERE screen_id = $1 ORDER BY display_order`,
          [originalScreenId]
        );

        // 1단계: component_id 매핑 생성 (원본 → 새 ID)
        const componentIdMap = new Map<string, string>();
        for (const layout of layoutsResult.rows) {
          const newComponentId = `comp_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
          componentIdMap.set(layout.component_id, newComponentId);
        }

        // 2단계: screen_layouts 복사 (parent_id, zone_id도 매핑)
        for (const layout of layoutsResult.rows) {
          const newComponentId = componentIdMap.get(layout.component_id)!;

          // parent_id와 zone_id 매핑 (다른 컴포넌트를 참조하는 경우)
          const newParentId = layout.parent_id
            ? componentIdMap.get(layout.parent_id) || layout.parent_id
            : null;
          const newZoneId = layout.zone_id
            ? componentIdMap.get(layout.zone_id) || layout.zone_id
            : null;

          // properties 내부 참조 업데이트
          const updatedProperties = this.updateReferencesInProperties(
            layout.properties,
            screenIdMap,
            flowIdMap
          );

          await client.query(
            `INSERT INTO screen_layouts (
              screen_id, component_type, component_id, parent_id,
              position_x, position_y, width, height, properties,
              display_order, layout_type, layout_config, zones_config, zone_id
            ) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14)`,
            [
              newScreenId, // 새 화면 ID
              layout.component_type,
              newComponentId, // 새 컴포넌트 ID
              newParentId, // 매핑된 parent_id
              layout.position_x,
              layout.position_y,
              layout.width,
              layout.height,
              updatedProperties, // 업데이트된 속성
              layout.display_order,
              layout.layout_type,
              layout.layout_config,
              layout.zones_config,
              newZoneId, // 매핑된 zone_id
            ]
          );
        }

        logger.info(`    ↳ 레이아웃 복사: ${layoutsResult.rows.length}개`);
      } catch (error: any) {
        logger.error(
          `❌ 레이아웃 복사 실패: screen_id=${originalScreenId}`,
          error
        );
        throw error;
      }
    }

    logger.info(`\n✅ 화면 복사 완료: ${screenIdMap.size}개`);
    return screenIdMap;
  }

  /**
   * 메뉴 위상 정렬 (부모 먼저)
   */
  private topologicalSortMenus(menus: Menu[]): Menu[] {
    const result: Menu[] = [];
    const visited = new Set<number>();
    const menuMap = new Map<number, Menu>();

    for (const menu of menus) {
      menuMap.set(menu.objid, menu);
    }

    const visit = (menu: Menu) => {
      if (visited.has(menu.objid)) return;

      // 부모 먼저 방문
      if (menu.parent_obj_id) {
        const parent = menuMap.get(menu.parent_obj_id);
        if (parent) {
          visit(parent);
        }
      }

      visited.add(menu.objid);
      result.push(menu);
    };

    for (const menu of menus) {
      visit(menu);
    }

    return result;
  }

  /**
   * screen_code 재매핑
   */
  private getNewScreenCode(
    screenIdMap: Map<number, number>,
    screenCode: string | null,
    client: PoolClient
  ): string | null {
    if (!screenCode) return null;

    // screen_code로 screen_id 조회 (원본 회사)
    // 간단하게 처리: 새 화면 코드는 이미 생성됨
    return screenCode;
  }

  /**
   * 메뉴 복사
   */
  private async copyMenus(
    menus: Menu[],
    rootMenuObjid: number,
    targetCompanyCode: string,
    screenIdMap: Map<number, number>,
    userId: string,
    client: PoolClient
  ): Promise<Map<number, number>> {
    const menuIdMap = new Map<number, number>();

    if (menus.length === 0) {
      logger.info("📭 복사할 메뉴 없음");
      return menuIdMap;
    }

    logger.info(`📂 메뉴 복사 중: ${menus.length}개`);

    // 위상 정렬 (부모 먼저 삽입)
    const sortedMenus = this.topologicalSortMenus(menus);

    for (const menu of sortedMenus) {
      try {
        // 새 objid 생성
        const newObjId = await this.getNextMenuObjid(client);

        // parent_obj_id 재매핑
        // NULL이나 0은 최상위 메뉴를 의미하므로 0으로 통일
        let newParentObjId: number | null;
        if (!menu.parent_obj_id || menu.parent_obj_id === 0) {
          newParentObjId = 0; // 최상위 메뉴는 항상 0
        } else {
          newParentObjId =
            menuIdMap.get(menu.parent_obj_id) || menu.parent_obj_id;
        }

        // source_menu_objid 저장: 원본 최상위 메뉴만 저장 (덮어쓰기 식별용)
        // BigInt 타입이 문자열로 반환될 수 있으므로 문자열로 변환 후 비교
        const isRootMenu = String(menu.objid) === String(rootMenuObjid);
        const sourceMenuObjid = isRootMenu ? menu.objid : null;

        if (sourceMenuObjid) {
          logger.info(
            `    📌 source_menu_objid 저장: ${sourceMenuObjid} (원본 최상위 메뉴)`
          );
        }

        // screen_code는 그대로 유지 (화면-메뉴 할당에서 처리)
        await client.query(
          `INSERT INTO menu_info (
            objid, menu_type, parent_obj_id, menu_name_kor, menu_name_eng,
            seq, menu_url, menu_desc, writer, status, system_name,
            company_code, lang_key, lang_key_desc, screen_code, menu_code,
            source_menu_objid
          ) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15, $16, $17)`,
          [
            newObjId,
            menu.menu_type,
            newParentObjId, // 재매핑
            menu.menu_name_kor,
            menu.menu_name_eng,
            menu.seq,
            menu.menu_url,
            menu.menu_desc,
            userId,
            menu.status,
            menu.system_name,
            targetCompanyCode, // 새 회사 코드
            menu.lang_key,
            menu.lang_key_desc,
            menu.screen_code, // 그대로 유지
            menu.menu_code,
            sourceMenuObjid, // 원본 메뉴 ID (최상위만)
          ]
        );

        menuIdMap.set(menu.objid, newObjId);

        logger.info(
          `  ✅ 메뉴 복사: ${menu.objid} → ${newObjId} (${menu.menu_name_kor})`
        );
      } catch (error: any) {
        logger.error(`❌ 메뉴 복사 실패: objid=${menu.objid}`, error);
        throw error;
      }
    }

    logger.info(`✅ 메뉴 복사 완료: ${menuIdMap.size}개`);
    return menuIdMap;
  }

  /**
   * 화면-메뉴 할당
   */
  private async createScreenMenuAssignments(
    menus: Menu[],
    menuIdMap: Map<number, number>,
    screenIdMap: Map<number, number>,
    targetCompanyCode: string,
    client: PoolClient
  ): Promise<void> {
    logger.info(`🔗 화면-메뉴 할당 중...`);

    let assignmentCount = 0;

    for (const menu of menus) {
      const newMenuObjid = menuIdMap.get(menu.objid);
      if (!newMenuObjid) continue;

      // 원본 메뉴에 할당된 화면 조회
      const assignmentsResult = await client.query<{
        screen_id: number;
        display_order: number;
        is_active: string;
      }>(
        `SELECT screen_id, display_order, is_active 
         FROM screen_menu_assignments 
         WHERE menu_objid = $1 AND company_code = $2`,
        [menu.objid, menu.company_code]
      );

      for (const assignment of assignmentsResult.rows) {
        const newScreenId = screenIdMap.get(assignment.screen_id);
        if (!newScreenId) {
          logger.warn(
            `⚠️ 화면 ID 매핑 없음: screen_id=${assignment.screen_id}`
          );
          continue;
        }

        // 새 할당 생성
        await client.query(
          `INSERT INTO screen_menu_assignments (
            screen_id, menu_objid, company_code, display_order, is_active, created_by
          ) VALUES ($1, $2, $3, $4, $5, $6)`,
          [
            newScreenId, // 재매핑
            newMenuObjid, // 재매핑
            targetCompanyCode,
            assignment.display_order,
            assignment.is_active,
            "system",
          ]
        );

        assignmentCount++;
      }
    }

    logger.info(`✅ 화면-메뉴 할당 완료: ${assignmentCount}개`);
  }

  /**
   * 코드 카테고리 중복 체크
   */
  private async checkCodeCategoryExists(
    categoryCode: string,
    companyCode: string,
    menuObjid: number,
    client: PoolClient
  ): Promise<boolean> {
    const result = await client.query<{ exists: boolean }>(
      `SELECT EXISTS(
        SELECT 1 FROM code_category 
        WHERE category_code = $1 AND company_code = $2 AND menu_objid = $3
      ) as exists`,
      [categoryCode, companyCode, menuObjid]
    );
    return result.rows[0].exists;
  }

  /**
   * 코드 정보 중복 체크
   */
  private async checkCodeInfoExists(
    categoryCode: string,
    codeValue: string,
    companyCode: string,
    menuObjid: number,
    client: PoolClient
  ): Promise<boolean> {
    const result = await client.query<{ exists: boolean }>(
      `SELECT EXISTS(
        SELECT 1 FROM code_info 
        WHERE code_category = $1 AND code_value = $2 
          AND company_code = $3 AND menu_objid = $4
      ) as exists`,
      [categoryCode, codeValue, companyCode, menuObjid]
    );
    return result.rows[0].exists;
  }

  /**
   * 코드 복사
   */
  private async copyCodes(
    codes: { categories: CodeCategory[]; codes: CodeInfo[] },
    menuIdMap: Map<number, number>,
    targetCompanyCode: string,
    userId: string,
    client: PoolClient
  ): Promise<void> {
    logger.info(`📋 코드 복사 중...`);

    let categoryCount = 0;
    let codeCount = 0;
    let skippedCategories = 0;
    let skippedCodes = 0;

    // 1) 코드 카테고리 복사 (중복 체크)
    for (const category of codes.categories) {
      const newMenuObjid = menuIdMap.get(category.menu_objid);
      if (!newMenuObjid) continue;

      // 중복 체크
      const exists = await this.checkCodeCategoryExists(
        category.category_code,
        targetCompanyCode,
        newMenuObjid,
        client
      );

      if (exists) {
        skippedCategories++;
        logger.debug(
          `  ⏭️  카테고리 이미 존재: ${category.category_code} (menu_objid=${newMenuObjid})`
        );
        continue;
      }

      // 카테고리 복사
      await client.query(
        `INSERT INTO code_category (
          category_code, category_name, category_name_eng, description,
          sort_order, is_active, company_code, menu_objid, created_by
        ) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)`,
        [
          category.category_code,
          category.category_name,
          category.category_name_eng,
          category.description,
          category.sort_order,
          category.is_active,
          targetCompanyCode, // 새 회사 코드
          newMenuObjid, // 재매핑
          userId,
        ]
      );

      categoryCount++;
    }

    // 2) 코드 정보 복사 (중복 체크)
    for (const code of codes.codes) {
      const newMenuObjid = menuIdMap.get(code.menu_objid);
      if (!newMenuObjid) continue;

      // 중복 체크
      const exists = await this.checkCodeInfoExists(
        code.code_category,
        code.code_value,
        targetCompanyCode,
        newMenuObjid,
        client
      );

      if (exists) {
        skippedCodes++;
        logger.debug(
          `  ⏭️  코드 이미 존재: ${code.code_category}.${code.code_value} (menu_objid=${newMenuObjid})`
        );
        continue;
      }

      // 코드 복사
      await client.query(
        `INSERT INTO code_info (
          code_category, code_value, code_name, code_name_eng, description,
          sort_order, is_active, company_code, menu_objid, created_by
        ) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)`,
        [
          code.code_category,
          code.code_value,
          code.code_name,
          code.code_name_eng,
          code.description,
          code.sort_order,
          code.is_active,
          targetCompanyCode, // 새 회사 코드
          newMenuObjid, // 재매핑
          userId,
        ]
      );

      codeCount++;
    }

    logger.info(
      `✅ 코드 복사 완료: 카테고리 ${categoryCount}개 (${skippedCategories}개 스킵), 코드 ${codeCount}개 (${skippedCodes}개 스킵)`
    );
  }

  /**
   * 카테고리 설정 복사
   */
  private async copyCategorySettings(
    settings: { columnMappings: any[]; categoryValues: any[] },
    menuIdMap: Map<number, number>,
    targetCompanyCode: string,
    userId: string,
    client: PoolClient
  ): Promise<void> {
    logger.info(`📂 카테고리 설정 복사 중...`);

    const valueIdMap = new Map<number, number>(); // 원본 value_id → 새 value_id
    let mappingCount = 0;
    let valueCount = 0;

    // 1) 카테고리 컬럼 매핑 복사 (덮어쓰기 모드)
    for (const mapping of settings.columnMappings) {
      // menu_objid = 0인 공통 설정은 그대로 0으로 유지
      const newMenuObjid = mapping.menu_objid === 0 
        ? 0 
        : menuIdMap.get(mapping.menu_objid);
      
      if (newMenuObjid === undefined) {
        logger.debug(`  ⏭️  매핑할 메뉴가 없음: menu_objid=${mapping.menu_objid}`);
        continue;
      }

      // 기존 매핑 삭제 (덮어쓰기)
      await client.query(
        `DELETE FROM category_column_mapping 
         WHERE table_name = $1 AND physical_column_name = $2 AND company_code = $3`,
        [mapping.table_name, mapping.physical_column_name, targetCompanyCode]
      );

      // 새 매핑 추가
      await client.query(
        `INSERT INTO category_column_mapping (
          table_name, logical_column_name, physical_column_name,
          menu_objid, company_code, description, created_by
        ) VALUES ($1, $2, $3, $4, $5, $6, $7)`,
        [
          mapping.table_name,
          mapping.logical_column_name,
          mapping.physical_column_name,
          newMenuObjid,
          targetCompanyCode,
          mapping.description,
          userId,
        ]
      );

      mappingCount++;
    }

    // 2) 테이블 컬럼 카테고리 값 복사 (덮어쓰기 모드, 부모-자식 관계 유지)
    const sortedValues = settings.categoryValues.sort(
      (a, b) => a.depth - b.depth
    );

    // 먼저 기존 값들을 모두 삭제 (테이블+컬럼 단위)
    const uniqueTableColumns = new Set<string>();
    for (const value of sortedValues) {
      uniqueTableColumns.add(`${value.table_name}:${value.column_name}`);
    }

    for (const tableColumn of uniqueTableColumns) {
      const [tableName, columnName] = tableColumn.split(":");
      await client.query(
        `DELETE FROM table_column_category_values 
         WHERE table_name = $1 AND column_name = $2 AND company_code = $3`,
        [tableName, columnName, targetCompanyCode]
      );
      logger.debug(`  🗑️  기존 카테고리 값 삭제: ${tableName}.${columnName}`);
    }

    // 새 값 추가
    for (const value of sortedValues) {
      // menu_objid = 0인 공통 설정은 그대로 0으로 유지
      const newMenuObjid = value.menu_objid === 0 
        ? 0 
        : menuIdMap.get(value.menu_objid);
      
      if (newMenuObjid === undefined) {
        logger.debug(`  ⏭️  매핑할 메뉴가 없음: menu_objid=${value.menu_objid}`);
        continue;
      }

      // 부모 ID 재매핑
      let newParentValueId = null;
      if (value.parent_value_id) {
        newParentValueId = valueIdMap.get(value.parent_value_id) || null;
      }

      const result = await client.query(
        `INSERT INTO table_column_category_values (
          table_name, column_name, value_code, value_label,
          value_order, parent_value_id, depth, description,
          color, icon, is_active, is_default,
          company_code, menu_objid, created_by
        ) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15)
        RETURNING value_id`,
        [
          value.table_name,
          value.column_name,
          value.value_code,
          value.value_label,
          value.value_order,
          newParentValueId,
          value.depth,
          value.description,
          value.color,
          value.icon,
          value.is_active,
          value.is_default,
          targetCompanyCode,
          newMenuObjid,
          userId,
        ]
      );

      // ID 매핑 저장
      const newValueId = result.rows[0].value_id;
      valueIdMap.set(value.value_id, newValueId);

      valueCount++;
    }

    logger.info(
      `✅ 카테고리 설정 복사 완료: 컬럼 매핑 ${mappingCount}개, 카테고리 값 ${valueCount}개 (덮어쓰기)`
    );
  }

  /**
   * 채번 규칙 복사
   */
  private async copyNumberingRules(
    rules: { rules: any[]; parts: any[] },
    menuIdMap: Map<number, number>,
    targetCompanyCode: string,
    userId: string,
    client: PoolClient
  ): Promise<void> {
    logger.info(`📋 채번 규칙 복사 중...`);

    const ruleIdMap = new Map<string, string>(); // 원본 rule_id → 새 rule_id
    let ruleCount = 0;
    let partCount = 0;

    // 1) 채번 규칙 복사
    for (const rule of rules.rules) {
      const newMenuObjid = menuIdMap.get(rule.menu_objid);
      if (!newMenuObjid) continue;

      // 새 rule_id 생성 (타임스탬프 기반)
      const newRuleId = `rule-${Date.now()}-${Math.random().toString(36).substring(2, 9)}`;
      ruleIdMap.set(rule.rule_id, newRuleId);

      await client.query(
        `INSERT INTO numbering_rules (
          rule_id, rule_name, description, separator,
          reset_period, current_sequence, table_name, column_name,
          company_code, menu_objid, created_by, scope_type
        ) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12)`,
        [
          newRuleId,
          rule.rule_name,
          rule.description,
          rule.separator,
          rule.reset_period,
          1, // 시퀀스 초기화
          rule.table_name,
          rule.column_name,
          targetCompanyCode,
          newMenuObjid,
          userId,
          rule.scope_type,
        ]
      );

      ruleCount++;
    }

    // 2) 채번 규칙 파트 복사
    for (const part of rules.parts) {
      const newRuleId = ruleIdMap.get(part.rule_id);
      if (!newRuleId) continue;

      await client.query(
        `INSERT INTO numbering_rule_parts (
          rule_id, part_order, part_type, generation_method,
          auto_config, manual_config, company_code
        ) VALUES ($1, $2, $3, $4, $5, $6, $7)`,
        [
          newRuleId,
          part.part_order,
          part.part_type,
          part.generation_method,
          part.auto_config,
          part.manual_config,
          targetCompanyCode,
        ]
      );

      partCount++;
    }

    logger.info(
      `✅ 채번 규칙 복사 완료: 규칙 ${ruleCount}개, 파트 ${partCount}개`
    );
  }
}