const dayjs = require('dayjs')

module.exports = {
  site: 'canalplus-reunion.com',
  url: function ({ channel, date }) {
    const diff = date.diff(dayjs().startOf('d'), 'd')

    return `https://service.canal-overseas.com/ott-frontend/vector/63001/channel/${channel.site_id}/events?filter.day=${diff}`
  },
  logo({ channel }) {
    return channel.logo
  },
  parser: function ({ content }) {
    let programs = []
    const items = parseItems(content)
    items.forEach(item => {
      if (item.title === 'Fin des programmes') return
      programs.push({
        title: item.title,
        icon: item.URLImageDefault,
        start: parseStart(item).toJSON(),
        stop: parseStop(item).toJSON()
      })
    })

    return programs
  }
}

function parseStart(item) {
  return dayjs.unix(item.startTime)
}

function parseStop(item) {
  return dayjs.unix(item.endTime)
}

function parseItems(content) {
  const data = JSON.parse(content)
  if (!data || !data.timeSlices) return []
  const items = data.timeSlices.reduce((acc, curr) => {
    acc = acc.concat(curr.contents)
    return acc
  }, [])

  return items
}