vexplor/backend-node/src/services/tableCategoryValueService.ts

import { getPool } from "../database/db";
import { logger } from "../utils/logger";
import { getSiblingMenuObjids } from "./menuService";
import {
  TableCategoryValue,
  CategoryColumn,
} from "../types/tableCategoryValue";

class TableCategoryValueService {
  /**
   * 테이블의 카테고리 타입 컬럼 목록 조회
   */
  async getCategoryColumns(
    tableName: string,
    companyCode: string
  ): Promise<CategoryColumn[]> {
    try {
      logger.info("카테고리 컬럼 목록 조회", { tableName, companyCode });

      const pool = getPool();
      
      // 멀티테넌시: 최고 관리자만 company_code="*" 데이터를 볼 수 있음
      let query: string;
      
      if (companyCode === "*") {
        // 최고 관리자: 모든 카테고리 값 조회
        query = `
          SELECT 
            tc.table_name AS "tableName",
            tc.column_name AS "columnName",
            tc.column_name AS "columnLabel",
            COUNT(cv.value_id) AS "valueCount"
          FROM table_type_columns tc
          LEFT JOIN table_column_category_values cv 
            ON tc.table_name = cv.table_name 
            AND tc.column_name = cv.column_name
            AND cv.is_active = true
          WHERE tc.table_name = $1
            AND tc.input_type = 'category'
          GROUP BY tc.table_name, tc.column_name, tc.display_order
          ORDER BY tc.display_order, tc.column_name
        `;
        logger.info("최고 관리자 카테고리 컬럼 조회");
      } else {
        // 일반 회사: 자신의 카테고리 값만 조회
        query = `
          SELECT 
            tc.table_name AS "tableName",
            tc.column_name AS "columnName",
            tc.column_name AS "columnLabel",
            COUNT(cv.value_id) AS "valueCount"
          FROM table_type_columns tc
          LEFT JOIN table_column_category_values cv 
            ON tc.table_name = cv.table_name 
            AND tc.column_name = cv.column_name
            AND cv.is_active = true
            AND cv.company_code = $2
          WHERE tc.table_name = $1
            AND tc.input_type = 'category'
          GROUP BY tc.table_name, tc.column_name, tc.display_order
          ORDER BY tc.display_order, tc.column_name
        `;
        logger.info("회사별 카테고리 컬럼 조회", { companyCode });
      }

      // 쿼리 파라미터는 company_code에 따라 다름
      const params = companyCode === "*" ? [tableName] : [tableName, companyCode];
      const result = await pool.query(query, params);

      logger.info(`카테고리 컬럼 ${result.rows.length}개 조회 완료`, {
        tableName,
        companyCode,
      });

      return result.rows;
    } catch (error: any) {
      logger.error(`카테고리 컬럼 조회 실패: ${error.message}`);
      throw error;
    }
  }

  /**
   * 특정 컬럼의 카테고리 값 목록 조회 (메뉴 스코프)
   * 
   * 메뉴 스코프 규칙:
   * - menuObjid가 제공되면 해당 메뉴와 형제 메뉴의 카테고리 값을 조회
   * - menuObjid가 없으면 테이블 스코프로 동작 (하위 호환성)
   */
  async getCategoryValues(
    tableName: string,
    columnName: string,
    companyCode: string,
    includeInactive: boolean = false,
    menuObjid?: number
  ): Promise<TableCategoryValue[]> {
    try {
      logger.info("카테고리 값 목록 조회 (메뉴 스코프)", {
        tableName,
        columnName,
        companyCode,
        includeInactive,
        menuObjid,
      });

      const pool = getPool();
      
      // 1. 메뉴 스코프: 형제 메뉴 OBJID 조회
      let siblingObjids: number[] = [];
      if (menuObjid) {
        siblingObjids = await getSiblingMenuObjids(menuObjid);
        logger.info("형제 메뉴 OBJID 목록", { menuObjid, siblingObjids });
      }
      
      // 2. 카테고리 값 조회 (형제 메뉴 포함)
      let query: string;
      let params: any[];
      
      if (companyCode === "*") {
        // 최고 관리자: 모든 카테고리 값 조회
        if (menuObjid && siblingObjids.length > 0) {
          // 메뉴 스코프 적용
          query = `
            SELECT 
              value_id AS "valueId",
              table_name AS "tableName",
              column_name AS "columnName",
              value_code AS "valueCode",
              value_label AS "valueLabel",
              value_order AS "valueOrder",
              parent_value_id AS "parentValueId",
              depth,
              description,
              color,
              icon,
              is_active AS "isActive",
              is_default AS "isDefault",
              company_code AS "companyCode",
              menu_objid AS "menuObjid",
              created_at AS "createdAt",
              updated_at AS "updatedAt",
              created_by AS "createdBy",
              updated_by AS "updatedBy"
            FROM table_column_category_values
            WHERE table_name = $1
              AND column_name = $2
              AND menu_objid = ANY($3)
          `;
          params = [tableName, columnName, siblingObjids];
        } else {
          // 테이블 스코프 (하위 호환성)
          query = `
            SELECT 
              value_id AS "valueId",
              table_name AS "tableName",
              column_name AS "columnName",
              value_code AS "valueCode",
              value_label AS "valueLabel",
              value_order AS "valueOrder",
              parent_value_id AS "parentValueId",
              depth,
              description,
              color,
              icon,
              is_active AS "isActive",
              is_default AS "isDefault",
              company_code AS "companyCode",
              menu_objid AS "menuObjid",
              created_at AS "createdAt",
              updated_at AS "updatedAt",
              created_by AS "createdBy",
              updated_by AS "updatedBy"
            FROM table_column_category_values
            WHERE table_name = $1
              AND column_name = $2
          `;
          params = [tableName, columnName];
        }
        logger.info("최고 관리자 카테고리 값 조회");
      } else {
        // 일반 회사: 자신의 카테고리 값만 조회
        if (menuObjid && siblingObjids.length > 0) {
          // 메뉴 스코프 적용
          query = `
            SELECT 
              value_id AS "valueId",
              table_name AS "tableName",
              column_name AS "columnName",
              value_code AS "valueCode",
              value_label AS "valueLabel",
              value_order AS "valueOrder",
              parent_value_id AS "parentValueId",
              depth,
              description,
              color,
              icon,
              is_active AS "isActive",
              is_default AS "isDefault",
              company_code AS "companyCode",
              menu_objid AS "menuObjid",
              created_at AS "createdAt",
              updated_at AS "updatedAt",
              created_by AS "createdBy",
              updated_by AS "updatedBy"
            FROM table_column_category_values
            WHERE table_name = $1
              AND column_name = $2
              AND menu_objid = ANY($3)
              AND company_code = $4
          `;
          params = [tableName, columnName, siblingObjids, companyCode];
        } else {
          // 테이블 스코프 (하위 호환성)
          query = `
            SELECT 
              value_id AS "valueId",
              table_name AS "tableName",
              column_name AS "columnName",
              value_code AS "valueCode",
              value_label AS "valueLabel",
              value_order AS "valueOrder",
              parent_value_id AS "parentValueId",
              depth,
              description,
              color,
              icon,
              is_active AS "isActive",
              is_default AS "isDefault",
              company_code AS "companyCode",
              menu_objid AS "menuObjid",
              created_at AS "createdAt",
              updated_at AS "updatedAt",
              created_by AS "createdBy",
              updated_by AS "updatedBy"
            FROM table_column_category_values
            WHERE table_name = $1
              AND column_name = $2
              AND company_code = $3
          `;
          params = [tableName, columnName, companyCode];
        }
        logger.info("회사별 카테고리 값 조회", { companyCode });
      }

      if (!includeInactive) {
        query += ` AND is_active = true`;
      }

      query += ` ORDER BY value_order, value_label`;

      const result = await pool.query(query, params);

      // 계층 구조로 변환
      const values = this.buildHierarchy(result.rows);

      logger.info(`카테고리 값 ${result.rows.length}개 조회 완료`, {
        tableName,
        columnName,
        companyCode,
        menuObjid,
        scopeType: menuObjid ? "menu" : "table",
      });

      return values;
    } catch (error: any) {
      logger.error(`카테고리 값 조회 실패: ${error.message}`);
      throw error;
    }
  }

  /**
   * 카테고리 값 추가 (메뉴 스코프)
   * 
   * @param value 카테고리 값 정보
   * @param companyCode 회사 코드
   * @param userId 생성자 ID
   * @param menuObjid 메뉴 OBJID (필수)
   */
  async addCategoryValue(
    value: TableCategoryValue,
    companyCode: string,
    userId: string,
    menuObjid: number
  ): Promise<TableCategoryValue> {
    const pool = getPool();

    try {
      logger.info("카테고리 값 추가 (메뉴 스코프)", {
        tableName: value.tableName,
        columnName: value.columnName,
        valueCode: value.valueCode,
        menuObjid,
        companyCode,
      });

      // 중복 코드 체크 (멀티테넌시 + 메뉴 스코프)
      let duplicateQuery: string;
      let duplicateParams: any[];
      
      if (companyCode === "*") {
        // 최고 관리자: 모든 회사에서 중복 체크
        duplicateQuery = `
          SELECT value_id 
          FROM table_column_category_values
          WHERE table_name = $1
            AND column_name = $2
            AND value_code = $3
            AND menu_objid = $4
        `;
        duplicateParams = [value.tableName, value.columnName, value.valueCode, menuObjid];
      } else {
        // 일반 회사: 자신의 회사에서만 중복 체크
        duplicateQuery = `
          SELECT value_id 
          FROM table_column_category_values
          WHERE table_name = $1
            AND column_name = $2
            AND value_code = $3
            AND menu_objid = $4
            AND company_code = $5
        `;
        duplicateParams = [value.tableName, value.columnName, value.valueCode, menuObjid, companyCode];
      }

      const duplicateResult = await pool.query(duplicateQuery, duplicateParams);

      if (duplicateResult.rows.length > 0) {
        throw new Error("이미 존재하는 코드입니다");
      }

      const insertQuery = `
        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 AS "valueId",
          table_name AS "tableName",
          column_name AS "columnName",
          value_code AS "valueCode",
          value_label AS "valueLabel",
          value_order AS "valueOrder",
          parent_value_id AS "parentValueId",
          depth,
          description,
          color,
          icon,
          is_active AS "isActive",
          is_default AS "isDefault",
          company_code AS "companyCode",
          menu_objid AS "menuObjid",
          created_at AS "createdAt",
          created_by AS "createdBy"
      `;

      const result = await pool.query(insertQuery, [
        value.tableName,
        value.columnName,
        value.valueCode,
        value.valueLabel,
        value.valueOrder || 0,
        value.parentValueId || null,
        value.depth || 1,
        value.description || null,
        value.color || null,
        value.icon || null,
        value.isActive !== false,
        value.isDefault || false,
        companyCode,
        menuObjid, // ← 메뉴 OBJID 저장
        userId,
      ]);

      logger.info("카테고리 값 추가 완료", {
        valueId: result.rows[0].valueId,
        tableName: value.tableName,
        columnName: value.columnName,
        menuObjid,
      });

      return result.rows[0];
    } catch (error: any) {
      logger.error(`카테고리 값 추가 실패: ${error.message}`);
      throw error;
    }
  }

  /**
   * 카테고리 값 수정
   */
  async updateCategoryValue(
    valueId: number,
    updates: Partial<TableCategoryValue>,
    companyCode: string,
    userId: string
  ): Promise<TableCategoryValue> {
    const pool = getPool();

    try {
      const setClauses: string[] = [];
      const values: any[] = [];
      let paramIndex = 1;

      if (updates.valueLabel !== undefined) {
        setClauses.push(`value_label = $${paramIndex++}`);
        values.push(updates.valueLabel);
      }

      if (updates.valueOrder !== undefined) {
        setClauses.push(`value_order = $${paramIndex++}`);
        values.push(updates.valueOrder);
      }

      if (updates.description !== undefined) {
        setClauses.push(`description = $${paramIndex++}`);
        values.push(updates.description);
      }

      if (updates.color !== undefined) {
        setClauses.push(`color = $${paramIndex++}`);
        values.push(updates.color);
      }

      if (updates.icon !== undefined) {
        setClauses.push(`icon = $${paramIndex++}`);
        values.push(updates.icon);
      }

      if (updates.isActive !== undefined) {
        setClauses.push(`is_active = $${paramIndex++}`);
        values.push(updates.isActive);
      }

      if (updates.isDefault !== undefined) {
        setClauses.push(`is_default = $${paramIndex++}`);
        values.push(updates.isDefault);
      }

      setClauses.push(`updated_at = NOW()`);
      setClauses.push(`updated_by = $${paramIndex++}`);
      values.push(userId);

      // 멀티테넌시: 최고 관리자는 company_code 조건 제외
      let updateQuery: string;
      
      if (companyCode === "*") {
        // 최고 관리자: 모든 카테고리 값 수정 가능
        values.push(valueId);
        updateQuery = `
          UPDATE table_column_category_values
          SET ${setClauses.join(", ")}
          WHERE value_id = $${paramIndex++}
          RETURNING 
            value_id AS "valueId",
            table_name AS "tableName",
            column_name AS "columnName",
            value_code AS "valueCode",
            value_label AS "valueLabel",
            value_order AS "valueOrder",
            description,
            color,
            icon,
            is_active AS "isActive",
            is_default AS "isDefault",
            company_code AS "companyCode",
            updated_at AS "updatedAt",
            updated_by AS "updatedBy"
        `;
      } else {
        // 일반 회사: 자신의 카테고리 값만 수정 가능
        values.push(valueId, companyCode);
        updateQuery = `
          UPDATE table_column_category_values
          SET ${setClauses.join(", ")}
          WHERE value_id = $${paramIndex++}
            AND company_code = $${paramIndex++}
          RETURNING 
            value_id AS "valueId",
            table_name AS "tableName",
            column_name AS "columnName",
            value_code AS "valueCode",
            value_label AS "valueLabel",
            value_order AS "valueOrder",
            description,
            color,
            icon,
            is_active AS "isActive",
            is_default AS "isDefault",
            company_code AS "companyCode",
            updated_at AS "updatedAt",
            updated_by AS "updatedBy"
        `;
      }

      const result = await pool.query(updateQuery, values);

      if (result.rowCount === 0) {
        throw new Error("카테고리 값을 찾을 수 없습니다");
      }

      logger.info("카테고리 값 수정 완료", { valueId, companyCode });

      return result.rows[0];
    } catch (error: any) {
      logger.error(`카테고리 값 수정 실패: ${error.message}`);
      throw error;
    }
  }

  /**
   * 카테고리 값 삭제 (비활성화)
   */
  async deleteCategoryValue(
    valueId: number,
    companyCode: string,
    userId: string
  ): Promise<void> {
    const pool = getPool();

    try {
      // 하위 값 체크 (멀티테넌시 적용)
      let checkQuery: string;
      let checkParams: any[];
      
      if (companyCode === "*") {
        // 최고 관리자: 모든 하위 값 체크
        checkQuery = `
          SELECT COUNT(*) as count
          FROM table_column_category_values
          WHERE parent_value_id = $1
            AND is_active = true
        `;
        checkParams = [valueId];
      } else {
        // 일반 회사: 자신의 하위 값만 체크
        checkQuery = `
          SELECT COUNT(*) as count
          FROM table_column_category_values
          WHERE parent_value_id = $1
            AND company_code = $2
            AND is_active = true
        `;
        checkParams = [valueId, companyCode];
      }

      const checkResult = await pool.query(checkQuery, checkParams);

      if (parseInt(checkResult.rows[0].count) > 0) {
        throw new Error("하위 카테고리 값이 있어 삭제할 수 없습니다");
      }

      // 비활성화 (멀티테넌시 적용)
      let deleteQuery: string;
      let deleteParams: any[];
      
      if (companyCode === "*") {
        // 최고 관리자: 모든 카테고리 값 삭제 가능
        deleteQuery = `
          UPDATE table_column_category_values
          SET is_active = false, updated_at = NOW(), updated_by = $2
          WHERE value_id = $1
        `;
        deleteParams = [valueId, userId];
      } else {
        // 일반 회사: 자신의 카테고리 값만 삭제 가능
        deleteQuery = `
          UPDATE table_column_category_values
          SET is_active = false, updated_at = NOW(), updated_by = $3
          WHERE value_id = $1
            AND company_code = $2
        `;
        deleteParams = [valueId, companyCode, userId];
      }

      const result = await pool.query(deleteQuery, deleteParams);
      
      if (result.rowCount === 0) {
        throw new Error("카테고리 값을 찾을 수 없거나 권한이 없습니다");
      }

      logger.info("카테고리 값 삭제(비활성화) 완료", {
        valueId,
        companyCode,
      });
    } catch (error: any) {
      logger.error(`카테고리 값 삭제 실패: ${error.message}`);
      throw error;
    }
  }

  /**
   * 카테고리 값 일괄 삭제
   */
  async bulkDeleteCategoryValues(
    valueIds: number[],
    companyCode: string,
    userId: string
  ): Promise<void> {
    const pool = getPool();

    try {
      // 멀티테넌시 적용
      let deleteQuery: string;
      let deleteParams: any[];
      
      if (companyCode === "*") {
        // 최고 관리자: 모든 카테고리 값 일괄 삭제 가능
        deleteQuery = `
          UPDATE table_column_category_values
          SET is_active = false, updated_at = NOW(), updated_by = $2
          WHERE value_id = ANY($1::int[])
        `;
        deleteParams = [valueIds, userId];
      } else {
        // 일반 회사: 자신의 카테고리 값만 일괄 삭제 가능
        deleteQuery = `
          UPDATE table_column_category_values
          SET is_active = false, updated_at = NOW(), updated_by = $3
          WHERE value_id = ANY($1::int[])
            AND company_code = $2
        `;
        deleteParams = [valueIds, companyCode, userId];
      }

      await pool.query(deleteQuery, deleteParams);

      logger.info("카테고리 값 일괄 삭제 완료", {
        count: valueIds.length,
        companyCode,
      });
    } catch (error: any) {
      logger.error(`카테고리 값 일괄 삭제 실패: ${error.message}`);
      throw error;
    }
  }

  /**
   * 카테고리 값 순서 변경
   */
  async reorderCategoryValues(
    orderedValueIds: number[],
    companyCode: string
  ): Promise<void> {
    const pool = getPool();
    const client = await pool.connect();

    try {
      await client.query("BEGIN");

      for (let i = 0; i < orderedValueIds.length; i++) {
        // 멀티테넌시 적용
        let updateQuery: string;
        let updateParams: any[];
        
        if (companyCode === "*") {
          // 최고 관리자: 모든 카테고리 값 순서 변경 가능
          updateQuery = `
            UPDATE table_column_category_values
            SET value_order = $1, updated_at = NOW()
            WHERE value_id = $2
          `;
          updateParams = [i + 1, orderedValueIds[i]];
        } else {
          // 일반 회사: 자신의 카테고리 값만 순서 변경 가능
          updateQuery = `
            UPDATE table_column_category_values
            SET value_order = $1, updated_at = NOW()
            WHERE value_id = $2
              AND company_code = $3
          `;
          updateParams = [i + 1, orderedValueIds[i], companyCode];
        }

        await client.query(updateQuery, updateParams);
      }

      await client.query("COMMIT");

      logger.info("카테고리 값 순서 변경 완료", {
        count: orderedValueIds.length,
        companyCode,
      });
    } catch (error: any) {
      await client.query("ROLLBACK");
      logger.error(`카테고리 값 순서 변경 실패: ${error.message}`);
      throw error;
    } finally {
      client.release();
    }
  }

  /**
   * 계층 구조 변환 헬퍼
   */
  private buildHierarchy(
    values: TableCategoryValue[],
    parentId: number | null = null
  ): TableCategoryValue[] {
    return values
      .filter((v) => v.parentValueId === parentId)
      .map((v) => ({
        ...v,
        children: this.buildHierarchy(values, v.valueId!),
      }));
  }
}

export default new TableCategoryValueService();