const Sequelize = require('sequelize');

/**
 * 聊天会话列表表模型
 * 按 Boss 「好友/会话」列表维度存储，会话摘要信息
 */
module.exports = (db) => {
  const chat_records = db.define('chat_records', {
    // 设备与平台
    sn_code: {
      comment: '设备SN码',
      type: Sequelize.STRING(50),
      allowNull: false,
      defaultValue: ''
    },
    platform: {
      comment: '平台: boss-Boss直聘, liepin-猎聘',
      type: Sequelize.STRING(20),
      allowNull: false,
      defaultValue: 'boss'
    },

    // Boss 会话列表字段（与接口 friend 对象对应）
    friendId: {
      comment: '好友ID',
      type: Sequelize.BIGINT,
      allowNull: false
    },
    friendSource: {
      comment: '好友来源',
      type: Sequelize.INTEGER,
      allowNull: true,
      defaultValue: 0
    },
    encryptFriendId: {
      comment: '好友加密ID',
      type: Sequelize.STRING(100),
      allowNull: false,
      defaultValue: ''
    },
    name: {
      comment: 'HR姓名',
      type: Sequelize.STRING(50),
      allowNull: true,
      defaultValue: ''
    },
    updateTime: {
      comment: '最后更新时间(毫秒时间戳)',
      type: Sequelize.BIGINT,
      allowNull: true
    },
    brandName: {
      comment: '公司名称',
      type: Sequelize.STRING(200),
      allowNull: true,
      defaultValue: ''
    },
    jobName: {
      comment: '职位名称',
      type: Sequelize.STRING(200),
      allowNull: true,
      defaultValue: ''
    },
    jobTypeDesc: {
      comment: '职位类型描述',
      type: Sequelize.STRING(100),
      allowNull: true,
      defaultValue: ''
    },
    jobCity: {
      comment: '职位城市',
      type: Sequelize.STRING(100),
      allowNull: true,
      defaultValue: ''
    },
    positionName: {
      comment: '岗位名称/方向',
      type: Sequelize.STRING(200),
      allowNull: true,
      defaultValue: ''
    },
    bossTitle: {
      comment: 'Boss/HR 职位头衔',
      type: Sequelize.STRING(100),
      allowNull: true,
      defaultValue: ''
    },
    waterLevel: {
      comment: '水位（Boss 优先级标记）',
      type: Sequelize.INTEGER,
      allowNull: true,
      defaultValue: 0
    }

  }, {
    timestamps: false,
    indexes: [
      { unique: false, fields: ['sn_code'] },
      { unique: false, fields: ['platform'] },
      { unique: false, fields: ['friendId'] },
      { unique: false, fields: ['encryptFriendId'] }
    ]
  });

  // chat_records.sync({ force: true });

  return chat_records;
};