const dayjs = require('dayjs')
const utc = require('dayjs/plugin/utc')
const timezone = require('dayjs/plugin/timezone')

dayjs.extend(utc)
dayjs.extend(timezone)

const packages = {
  'OSNTV CONNECT': 3720,
  'OSNTV PRIME': 3733,
  ALFA: 1281,
  'OSN PINOY PLUS EXTRA': 3519
}
const country = 'AE'
const tz = 'Asia/Dubai'

module.exports = {
  site: 'osn.com',
  days: 2,
  url({ channel, date }) {
    return `https://www.osn.com/api/TVScheduleWebService.asmx/time?dt=${encodeURIComponent(
      date.format('MM/DD/YYYY')
    )}&co=${country}&ch=${channel.site_id}&mo=false&hr=0`
  },
  request: {
    headers({ channel }) {
      return {
        Referer: `https://www.osn.com/${channel.lang}-${country.toLowerCase()}/watch/tv-schedule`
      }
    }
  },
  parser({ content, channel }) {
    const programs = []
    const items = JSON.parse(content) || []
    if (Array.isArray(items)) {
      for (const item of items) {
        const title = channel.lang === 'ar' ? item.Arab_Title : item.Title
        const start = dayjs.tz(item.StartDateTime, 'DD MMM YYYY, HH:mm', tz)
        const duration = parseInt(item.TotalDivWidth / 4.8)
        const stop = start.add(duration, 'm')
        programs.push({ title, start, stop })
      }
    }

    return programs
  },
  async channels({ lang = 'ar' }) {
    const result = {}
    const axios = require('axios')
    for (const pkg of Object.values(packages)) {
      const channels = await axios
        .get(
          `https://www.osn.com/api/tvchannels.ashx?culture=en-US&packageId=${pkg}&country=${country}`
        )
        .then(response => response.data)
        .catch(console.error)

      if (Array.isArray(channels)) {
        for (const ch of channels) {
          if (result[ch.channelCode] === undefined) {
            result[ch.channelCode] = {
              lang,
              site_id: ch.channelCode,
              name: ch.channeltitle
            }
          }
        }
      }
    }

    return Object.values(result)
  }
}