const { DataTypes } = require('sequelize');
const sequelize = require('../config/db');

const Region = sequelize.define('Region', {
  id: {
    type: DataTypes.INTEGER,
    primaryKey: true,
    autoIncrement: true,
    comment: '区域ID'
  },
  name: {
    type: DataTypes.STRING(50),
    allowNull: false,
    unique: true,
    comment: '区域名称'
  },
  description: {
    type: DataTypes.TEXT,
    allowNull: true,
    comment: '区域描述'
  },
  createTime: {
    type: DataTypes.DATE,
    defaultValue: DataTypes.NOW,
    comment: '创建时间'
  },
  updateTime: {
    type: DataTypes.DATE,
    defaultValue: DataTypes.NOW,
    onUpdate: DataTypes.NOW,
    comment: '更新时间'
  },
  isDeleted: {
    type: DataTypes.INTEGER,
    allowNull: false,
    defaultValue: 0,
    comment: '删除状态（0：未删除，1：已删除）'
  }
}, {
  tableName: 'regions',
  timestamps: false
});

module.exports = Region;