/**
 * vacationTypeModel.js
 * 휴가 유형 관련 데이터베이스 쿼리 모델
 */

const { getDb } = require('../dbPool');

const vacationTypeModel = {
  /**
   * 모든 활성 휴가 유형 조회 (우선순위 순서대로)
   */
  async getAll(callback) {
    try {
      const db = await getDb();
      const query = `
        SELECT *
        FROM vacation_types
        WHERE is_active = 1
        ORDER BY priority ASC, id ASC
      `;
      const [rows] = await db.query(query);
      callback(null, rows);
    } catch (error) {
      callback(error);
    }
  },

  /**
   * 시스템 기본 휴가 유형만 조회
   */
  async getSystemTypes(callback) {
    try {
      const db = await getDb();
      const query = `
        SELECT *
        FROM vacation_types
        WHERE is_system = 1 AND is_active = 1
        ORDER BY priority ASC
      `;
      const [rows] = await db.query(query);
      callback(null, rows);
    } catch (error) {
      callback(error);
    }
  },

  /**
   * 특정 ID로 휴가 유형 조회
   */
  async getById(id, callback) {
    try {
      const db = await getDb();
      const query = `SELECT * FROM vacation_types WHERE id = ?`;
      const [rows] = await db.query(query, [id]);
      callback(null, rows);
    } catch (error) {
      callback(error);
    }
  },

  /**
   * 휴가 유형 코드로 조회
   */
  async getByCode(code, callback) {
    try {
      const db = await getDb();
      const query = `SELECT * FROM vacation_types WHERE type_code = ?`;
      const [rows] = await db.query(query, [code]);
      callback(null, rows);
    } catch (error) {
      callback(error);
    }
  },

  /**
   * 휴가 유형 생성
   */
  async create(typeData, callback) {
    try {
      const db = await getDb();
      const query = `INSERT INTO vacation_types SET ?`;
      const [result] = await db.query(query, typeData);
      callback(null, result);
    } catch (error) {
      callback(error);
    }
  },

  /**
   * 휴가 유형 수정
   */
  async update(id, updateData, callback) {
    try {
      const db = await getDb();
      const query = `UPDATE vacation_types SET ? WHERE id = ?`;
      const [result] = await db.query(query, [updateData, id]);
      callback(null, result);
    } catch (error) {
      callback(error);
    }
  },

  /**
   * 휴가 유형 삭제 (논리적 삭제 - is_active = 0)
   */
  async delete(id, callback) {
    try {
      const db = await getDb();
      const query = `UPDATE vacation_types SET is_active = 0, updated_at = NOW() WHERE id = ?`;
      const [result] = await db.query(query, [id]);
      callback(null, result);
    } catch (error) {
      callback(error);
    }
  },

  /**
   * 우선순위 업데이트
   */
  async updatePriority(id, priority, callback) {
    try {
      const db = await getDb();
      const query = `UPDATE vacation_types SET priority = ?, updated_at = NOW() WHERE id = ?`;
      const [result] = await db.query(query, [priority, id]);
      callback(null, result);
    } catch (error) {
      callback(error);
    }
  }
};

module.exports = vacationTypeModel;