const open = require("open");
const dayjs = require('dayjs');
const shelljs = require('shelljs')

const start = dayjs('2018-12-28 11:00:00');
const end = dayjs(dayjs().format('YYYY-MM-DD HH:00:00'));

const files = shelljs.ls('./other/files')



const download = (hour) => {
  const startTime = start.add(hour, 'hour');
  const endTime = start.add(hour + 1, 'hour');

  if (endTime.diff(end, 'hour') > 0) {
    return;
  }
  const url = `https://h5data.yoho.cn/rs/ufo/prod/size/download?startTime=${startTime.format('YYYYMMDD-HH')}&endTime=${endTime.format('YYYYMMDD-HH')}`;
  const file = `${startTime.format('YYYYMMDD-HH')}_${endTime.format('YYYYMMDD-HH')}.xls`

  if (!files.some(f => f === file)) {
    console.log(file, url)
    open(url)

    return setTimeout(() => {
      download(hour + 1);
    }, 1000);
    
  }
  setTimeout(() => {
    download(hour + 1);
  }, 1);
}

download(0)