'use strict';
const Subscription = require('egg').Subscription;

// 2023/8/25 每日统计登录人数
class dayUsers extends Subscription {
  /**
   * cron
   * *    *    *    *    *    *
   * ┬    ┬    ┬    ┬    ┬    ┬
   * │    │    │    │    │    |
   * │    │    │    │    │    └ day of week (0 - 7) (0 or 7 is Sun)
   * │    │    │    │    └───── month (1 - 12)
   * │    │    │    └────────── day of month (1 - 31)
   * │    │    └─────────────── hour (0 - 23)
   * │    └──────────────────── minute (0 - 59)
   * └───────────────────────── second (0 - 59, optional)
   * @returns {{cron: string, type: string}}
   */
  // 通过 schedule 属性来设置定时任务的执行间隔等配置
  static get schedule() {
    return {
      // interval: '1m', // 1 分钟间隔
      // interval: '10s', // 10s
      // cron: '0 0 */3 * * *', // 每三小时准点执行一次
      cron: '0 58 23 * * *', // 每天23:58执行一次
      type: 'all', // 指定所有的 worker 都需要执行
    };
  }

  // subscribe 是真正定时任务执行时被运行的函数
  async subscribe() {
    const that = this;
    const seq = that.app.Sequelize;
    const tmpTime = that.app.szjcomo.time();
    const transaction = await that.app.model.transaction();
    try {
      const users = await that.app.model.Users.findAll({
        where: { update_ttime: { [seq.Op.between]: [ `${that.app.szjcomo.date('Y-m-d', tmpTime)} 00:00:00`, `${that.app.szjcomo.date('Y-m-d', tmpTime)} 23:59:59` ] } },
        order: [[ 'update_ttime', 'asc' ]],
        attributes: [ 'user_id', 'nickname', 'headimgurl', 'login_time', 'update_ttime', 'is_employee' ],
      });
      const result = JSON.parse(JSON.stringify(users));
      // 2023/8/27 批量创建用户登录记录
      const datas = await result.map(item => {
        return Object.assign(item, {
          create_time: that.app.szjcomo.date('Y-m-d H:i:s'),
        });
      });
      await that.app.model.UserLoginLogs.bulkCreate(datas, { transaction });
      transaction.commit();
    } catch (e) {
      console.log(e);
      if (transaction) {
        transaction.rollback();
      }
    }
  }

}

module.exports = dayUsers;