const { scheduleJob } = require('node-schedule');
const heytripService = require('../services/heytripService');

/**
 * node-schedule
 * ?  *    *    *    *    *    *
      ┬    ┬    ┬    ┬    ┬    ┬
      │    │    │    │    │    │
      │    │    │    │    │    └ 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)
 */

/**
 * 获取可用的酒店id
 */
const Aids = () => {
  return false;
  // const jobA = scheduleJob('*/2 * * * * *', async function () {
  // const jobA = scheduleJob('0 0 0 * * *', async function () {
  //   console.log('syncing heytrip, get available accommodation ids.');
  //   const isRunning = jobA.pendingInvocations[0]?.job?.running == 1;
  //   if (!isRunning) {
  //     const res = await heytripService.syncAids();
  //     if (res.nextPage !== true) {
  //       console.log('job completed! canceled job!');
  //       jobA.cancel();
  //     }
  //   } else {
  //     console.log('pre job running! cancelNext');
  //     jobA.cancelNext();
  //   }

  // });
};

/**
 * 更新酒店的状态, 是否下架
 * 每天启动同步;
 * * 每次同步需要3000+页
 */
const AidsState = () => {
  const dailyJob = scheduleJob('0 0 0 * * *', async function () {
  // const dailyJob = scheduleJob('0 20 9 * * *', async function () {
    const jobAS = scheduleJob('*/2 * * * * *', async function () {
      console.log('--------------------syncing heytrip, get available accommodation ids.--------------------');
      const isRunning = jobAS.pendingInvocations[0]?.job?.running == 1;
      if (!isRunning) {
        const res = await heytripService.syncAidState();
        // jobAS.cancel(); // debug: 0
        if (res.nextPage !== true) {
          console.log('job completed! canceled job[AidsState]!');
          jobAS.cancel();
        }
      } else {
        console.log('pre job running! cancelNext[AidsState]');
        jobAS.cancelNext(true);
      }
    });
  });
};

/**
 * 获取新增的酒店详情
 * ID同步结束后启动, ID每10W 条大约需要半小时
 * 每天03:05:00启动
 */
const newHotelDetails = () => {
  // return false;
  const dailyJob1 = scheduleJob('0 5 3 * * *', async function () {
  // const dailyJob1 = scheduleJob('0 5 12 * * *', async function () {
    const job1 = scheduleJob('*/5 * * * * *', async function () {
      console.log('-------------------------syncing heytrip[newHotelDetails], get accommodation details.-------------------------');

      const isRunning = job1.pendingInvocations[0]?.job?.running == 1;
      if (!isRunning) {
        try {
          const res = await heytripService.newHotels('1');
          // job1.cancel(); // debug: 0
          if (res.next !== true) {
            job1.cancel(res.restart);
            console.log('job completed! canceled job[newHotelDetails]!');
          }
        } catch (error) {
          job1.cancelNext(true);
        }
      } else {
        console.log('pre job running! cancelNext[newHotelDetails]');
        job1.cancelNext(true);
      }
    });
  });
};

/**
 * 更新酒店详情, 按语种
 * 每周启动一次
 * 周五20:05:00启动
 */
const hotelLgcDetails = () => {
  // return false;
  const dailyJob2 = scheduleJob('0 5 20 * * 5', async function () {
    const job2 = scheduleJob('*/5 * * * * *', async function () {
      console.log('-------------------------syncing heytrip[hotelLgcDetails], get accommodation details.-------------------------');

      const isRunning = job2.pendingInvocations[0]?.job?.running == 1;
      if (!isRunning) {
        try {
          const res = await heytripService.newHotelsLgc('1');
          // job2.cancel(); // debug: 0
          if (res.next !== true) {
            job2.cancel(res.restart);
            console.log('job completed! canceled job[hotelLgcDetails]!');
          }
        } catch (error) {
          job2.cancelNext(true);
        }
      } else {
        console.log('pre job running! cancelNext[hotelLgcDetails]');
        job2.cancelNext(true);
      }
    });
  });
};

/**
 * 更新中国酒店的中文详情.
 * 每周启动一次
 * 周六20:05:00启动
 */
const chinaHotelDetails = () => {
  // return false;
  const dailyJobCN = scheduleJob('0 5 20 * * 6', async function () {
    const job3 = scheduleJob('*/4 * * * * *', async function () {
      console.log('-------------------------syncing heytrip[chinaHotelDetails], get china accommodation details.-------------------------');
      const isRunning = job3.pendingInvocations[0]?.job?.running == 1;
      if (!isRunning) {
        try {
          const res = await heytripService.chinaHotelsLgc2('2');
          // job3.cancel(); // debug: 0
          if (res.next !== true) {
            job3.cancel(res.restart);
            console.log('job completed! canceled job[chinaHotelDetails]!');
            // job3.reschedule('0 0 0 * * *');
          }
        } catch (error) {
          job3.cancelNext(true);
        }
      } else {
        console.log('pre job running! cancelNext[chinaHotelDetails]');
        job3.cancelNext(true);
      }
    });
  });
};

module.exports = {
  Aids, AidsState,
  newHotelDetails, hotelLgcDetails, chinaHotelDetails
}