'use strict';
const {
  Model
} = require('sequelize');

module.exports = (sequelize, DataTypes) => {
  class Contact extends Model {
    /**
     * Helper method for defining associations.
     * This method is not a part of Sequelize lifecycle.
     * The `models/index` file will call this method automatically.
     */
    static associate(models) {
      // define association here
    }
  }
  
  Contact.init({
  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'
  }
  }, {
    sequelize,
    modelName: 'Contact',
    tableName: 'contacts',
    timestamps: true,
    indexes: [
      {
        fields: ['email']
      },
      {
        fields: ['status']
      },
      {
        fields: ['createdAt']
      }
    ]
  });
  
  return Contact;
};