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

const Contact = sequelize.define('Contact', {
  id: {
    type: DataTypes.INTEGER,
    primaryKey: true,
    autoIncrement: true
  },
  name: {
    type: DataTypes.STRING(100),
    allowNull: false,
    comment: '联系人姓名'
  },
  email: {
    type: DataTypes.STRING(255),
    allowNull: false,
    validate: {
      isEmail: true
    },
    comment: '联系人邮箱'
  },
  phone: {
    type: DataTypes.STRING(20),
    allowNull: true,
    comment: '联系电话'
  },
  company: {
    type: DataTypes.STRING(200),
    allowNull: true,
    comment: '公司名称'
  },
  subject: {
    type: DataTypes.STRING(200),
    allowNull: false,
    comment: '留言主题'
  },
  message: {
    type: DataTypes.TEXT,
    allowNull: false,
    comment: '留言内容'
  },
  status: {
    type: DataTypes.INTEGER,
    defaultValue: 0,
    comment: '处理状态：0-未处理，1-已处理'
  },
  isEmailSent: {
    type: DataTypes.BOOLEAN,
    defaultValue: false,
    comment: '是否已发送邮件通知'
  }
}, {
  tableName: 'contacts',
  timestamps: true,
  indexes: [
    {
      fields: ['email']
    },
    {
      fields: ['status']
    },
    {
      fields: ['createdAt']
    }
  ]
});

module.exports = Contact;