/**
 * 员工模型
 * @file Employee.js
 * @description 员工数据模型
 */
const { DataTypes } = require('sequelize');
const { sequelize } = require('../config/database');

const Employee = sequelize.define('Employee', {
  id: {
    type: DataTypes.INTEGER,
    primaryKey: true,
    autoIncrement: true
  },
  name: {
    type: DataTypes.STRING(50),
    allowNull: false,
    comment: '员工姓名'
  },
  employee_id: {
    type: DataTypes.STRING(20),
    allowNull: false,
    unique: true,
    comment: '员工编号'
  },
  department_id: {
    type: DataTypes.INTEGER,
    allowNull: false,
    comment: '部门ID'
  },
  position_id: {
    type: DataTypes.INTEGER,
    allowNull: false,
    comment: '职位ID'
  },
  phone: {
    type: DataTypes.STRING(20),
    allowNull: true,
    comment: '联系电话'
  },
  email: {
    type: DataTypes.STRING(100),
    allowNull: true,
    comment: '邮箱地址'
  },
  hire_date: {
    type: DataTypes.DATEONLY,
    allowNull: false,
    comment: '入职日期'
  },
  salary: {
    type: DataTypes.BIGINT,
    allowNull: false,
    defaultValue: 0,
    comment: '薪资（分）'
  },
  status: {
    type: DataTypes.ENUM('active', 'inactive', 'resigned'),
    allowNull: false,
    defaultValue: 'active',
    comment: '员工状态：在职、离职、已辞职'
  },
  created_at: {
    type: DataTypes.DATE,
    allowNull: false,
    defaultValue: DataTypes.NOW
  },
  updated_at: {
    type: DataTypes.DATE,
    allowNull: false,
    defaultValue: DataTypes.NOW
  }
}, {
  sequelize,
  tableName: 'bank_employees',
  modelName: 'Employee',
  timestamps: true,
  createdAt: 'created_at',
  updatedAt: 'updated_at'
});

module.exports = Employee;