/* global navHome, searchClear, searchWrapper, skeletonCardTemplate, bareCardTemplate, fullCardTemplate, home, searchText, searchGenre, searchYear, searchSeason, searchFormat, searchStatus, searchSort, navSchedule, homeContinueMore, homeReleasesMore, homePlanningMore, homeTrendingMore, homeRomanceMore, homeActionMore, homeContinue, homeReleases, homePlanning, homeTrending, homeRomance, homeAction */

// THIS IS WHY YOU FUCKING USE FRAMEWORKS

import { alRequest } from './anilist.js'
import { resolveFileMedia, relations, nyaaSearch } from './anime.js'
import { getRSSurl, getRSSContent } from './rss.js'
import { settings } from './settings.js'
import { client } from './main.js'
import { countdown, flattenObj, userBrowser } from './util.js'
import halfmoon from 'halfmoon'
export function loadHomePage () {
  const homeLoadElements = [navSchedule, homeContinueMore, homeReleasesMore, homePlanningMore, homeTrendingMore, homeRomanceMore, homeActionMore]
  const homePreviewElements = [homeContinue, homeReleases, homePlanning, homeTrending, homeRomance, homeAction]
  const homeSearchElements = [searchText, searchGenre, searchYear, searchSeason, searchFormat, searchStatus, searchSort]
  const browseGallery = document.querySelector('.browse')
  const homeLoadFunctions = {
    continue: async function (page) {
      if (!page) gallerySkeleton(browseGallery)
      const res = await alRequest({ method: 'UserLists', status_in: 'CURRENT', id: alID, page: page || 1 })
      const mediaList = res.data.Page.mediaList.map(i => i.media).filter(media => {
        return media.status !== 'RELEASING' || media.mediaListEntry?.progress < media.nextAiringEpisode?.episode - 1
      })
      galleryAppend({ media: mediaList, gallery: browseGallery, method: 'continue', page: page || 1 })
      return res.data.Page.pageInfo.hasNextPage
    },
    releases: async function () {
      gallerySkeleton(browseGallery)
      const cards = await releasesCards((await getRSSContent(getRSSurl())).querySelectorAll('item'))
      browseGallery.textContent = ''
      browseGallery.append(...cards)
      home.classList.remove('loading')
      home.onscroll = undefined
      return false
    },
    planning: async function (page) {
      if (!page) gallerySkeleton(browseGallery)
      const res = await alRequest({ method: 'UserLists', status_in: 'PLANNING', id: alID, page: page || 1 })
      const mediaList = res.data.Page.mediaList
      galleryAppend({ media: mediaList.map(i => i.media), gallery: browseGallery, method: 'planning', page: page || 1 })
      return res.data.Page.pageInfo.hasNextPage
    },
    trending: async function () {
      gallerySkeleton(browseGallery)
      clearSearch()
      searchSort.value = 'TRENDING_DESC'
      return await homeLoadFunctions.search()
    },
    romance: async function () {
      gallerySkeleton(browseGallery)
      clearSearch()
      searchGenre.value = 'romance'
      searchSort.value = 'TRENDING_DESC'
      return await homeLoadFunctions.search()
    },
    action: async function () {
      gallerySkeleton(browseGallery)
      clearSearch()
      searchGenre.value = 'action'
      searchSort.value = 'TRENDING_DESC'
      return await homeLoadFunctions.search()
    },
    schedule: async function (page) {
      if (!page) gallerySkeleton(browseGallery)
      const res = await alRequest({ method: 'AiringSchedule', page: page || 1 })
      const mediaList = res.data.Page.airingSchedules
      galleryAppend({ media: mediaList.filter(entry => entry.media.countryOfOrigin !== 'CN' && entry.media.isAdult === false), gallery: browseGallery, method: 'schedule', page: page || 1, schedule: true })
      return res.data.Page.pageInfo.hasNextPage
    },
    search: async function (page) {
      const def = {
        method: 'Search',
        page: page || 1
      }
      const opts = {}
      Object.assign(opts, def)
      for (const element of homeSearchElements) {
        if (element.value) opts[element.dataset.option] = element.value
      }
      if (Object.keys(def).length !== Object.keys(opts).length) {
        const res = await alRequest(opts)
        const mediaList = res.data.Page.media
        galleryAppend({ media: mediaList, gallery: browseGallery, method: 'search', page: page || 1 })
        return res.data.Page.pageInfo.hasNextPage
      } else {
        searchClear.classList.remove('text-primary')
        home.classList.remove('loading')
        reloadHome()
        return false
      }
    }
  }
  const homePreviewFunctions = {
    continue: function () {
      alRequest({ method: 'UserLists', status_in: 'CURRENT', id: alID, perPage: 50 }).then(res => {
        const mediaList = res.data.Page.mediaList.filter(({ media }) => {
          return media.status !== 'RELEASING' || media.mediaListEntry?.progress < media.nextAiringEpisode?.episode - 1
        }).slice(0, 5).map(i => i.media)
        galleryAppend({ media: mediaList, gallery: homeContinue })
      })
    },
    releases: async function () { // this could be cleaner, but oh well
      const doc = await getRSSContent(getRSSurl())
      if (doc) {
        const pubDate = doc.querySelector('pubDate').textContent
        if (lastRSSDate !== pubDate) {
          if (lastRSSDate) {
            homeReleases.textContent = ''
            homeReleases.append(...gallerySkeletonFrag(5))
            if (settings.other1) {
              resolveFileMedia({ fileName: doc.querySelector('item title').textContent, isRelease: true }).then(mediaInformation => {
                const notification = new Notification(mediaInformation.media.title.userPreferred, {
                  body: `Episode ${mediaInformation.episodeNumber} was just released!`,
                  icon: mediaInformation.media.coverImage.medium
                })
                notification.onclick = async () => {
                  window.parent.focus()
                  relations[mediaInformation.parseObject.anime_title] = (await alRequest({ id: mediaInformation.media.id, method: 'SearchIDSingle' })).data.Media.id
                  client.playTorrent(doc.querySelector('item link').textContent, { media: mediaInformation, episode: mediaInformation.episode })
                }
              })
            }
          }
          lastRSSDate = pubDate
          const cards = await releasesCards(doc.querySelectorAll('item'), 5)
          homeReleases.textContent = ''
          homeReleases.append(...cards)
        }
      }
    },
    planning: function () {
      alRequest({ method: 'UserLists', status_in: 'PLANNING', id: alID, perPage: 5 }).then(res => {
        galleryAppend({ media: res.data.Page.mediaList.map(i => i.media), gallery: homePlanning })
      })
    },
    trending: function () {
      alRequest({ method: 'Search', id: alID, perPage: 5, sort: 'TRENDING_DESC' }).then(res => {
        galleryAppend({ media: res.data.Page.media, gallery: homeTrending })
      })
    },
    romance: function () {
      alRequest({ method: 'Search', genre: 'Romance', perPage: 5, sort: 'TRENDING_DESC' }).then(res => {
        galleryAppend({ media: res.data.Page.media, gallery: homeRomance })
      })
    },
    action: function () {
      alRequest({ method: 'Search', genre: 'Action', perPage: 5, sort: 'TRENDING_DESC' }).then(res => {
        galleryAppend({ media: res.data.Page.media, gallery: homeAction })
      })
    }
  }
  const gallerySkeletonFrag = function (limit) {
    const cards = []
    while (limit--) {
      cards.push(skeletonCard.cloneNode(true))
    }
    return cards
  }
  let loadTimeout
  let lastDate
  let lastRSSDate
  let canScroll = true

  function gallerySkeleton (gallery) {
    home.classList.add('loading')
    gallery.textContent = ''
    gallery.append(...gallerySkeletonFrag(10))
  }
  function galleryAppend (opts) {
    if (opts.page === 1) {
      home.classList.remove('loading')
    }
    if (opts.method) {
      canScroll = false
      home.onscroll = function () {
        if (this.scrollTop + this.clientHeight > this.scrollHeight - 800 && !loadTimeout && canScroll) {
          canScroll = false
          loadTimeout = setTimeout(function () { loadTimeout = undefined }, 1000)
          homeLoadFunctions[opts.method](opts.page + 1).then((hasNextPage) => { canScroll = hasNextPage })
        }
      }
    }
    if (!opts.page || opts.page === 1) {
      opts.gallery.textContent = ''
    }
    const date = new Date()
    const cards = []
    opts.media.forEach(media => {
      if (opts.schedule) {
        if (media.timeUntilAiring && (!lastDate || (new Date(+date + media.timeUntilAiring * 1000).getDay() !== lastDate.getDay()))) {
          const div = document.createElement('div')
          lastDate = new Date(+date + media.timeUntilAiring * 1000)
          div.classList.add('day-row', 'font-size-24', 'font-weight-bold', 'h-50', 'd-flex', 'align-items-end')
          div.textContent = lastDate.toLocaleDateString('en-US', { weekday: 'long' })
          cards.push(div)
        }
        media = media.media
      }
      cards.push(cardCreator({ media: media, schedule: opts.schedule, onclick: () => viewMedia(media) }))
    })
    opts.gallery.append(...cards)
    canScroll = true
  }

  for (const item of homePreviewElements) {
    homePreviewFunctions[item.dataset.function]()
  }
  setInterval(homePreviewFunctions.releases, 30000)
  for (const item of homeLoadElements) {
    item.onclick = function () {
      home.scrollTop = 0
      home.classList.add('browsing')
      searchClear.classList.add('text-primary')
      homeLoadFunctions[item.dataset.function]()
    }
  }
  function reloadHome () {
    clearSearch()
    searchClear.classList.remove('text-primary')
    home.classList.remove('browsing')
    lastRSSDate = undefined
    home.onscroll = undefined
    home.scrollTop = 0
    for (const item of homePreviewElements) {
      item.textContent = ''
      item.append(...gallerySkeletonFrag(5))
      homePreviewFunctions[item.dataset.function]()
    }
    document.querySelector('.browse').textContent = ''
  }
  navHome.onclick = reloadHome
  searchClear.onclick = reloadHome
  function clearSearch () {
    for (const element of homeSearchElements) {
      element.value = ''
    }
  }
  let searchTimeout
  searchWrapper.oninput = () => {
    if (!searchTimeout) {
      home.classList.add('browsing')
      gallerySkeleton(browseGallery)
      home.scrollTop = 0
    } else {
      clearTimeout(searchTimeout)
    }
    searchClear.classList.add('text-primary')
    searchTimeout = setTimeout(() => {
      homeLoadFunctions.search()
      searchTimeout = undefined
    }, 500)
  }
}

const skeletonCard = skeletonCardTemplate.cloneNode(true).content
const bareCard = bareCardTemplate.cloneNode(true).content
const fullCard = fullCardTemplate.cloneNode(true).content
export function cardCreator (opts) {
  if (opts.media) {
    const card = fullCard.cloneNode(true)
    const nodes = card.querySelectorAll('*')
    nodes[0].onclick = opts.onclick
    nodes[0].style = `--color:${opts.media.coverImage.color || '#1890ff'};`
    nodes[3].src = opts.media.coverImage.extraLarge || ''
    nodes[6].textContent = [opts.media.title.userPreferred, opts.episodeNumber].filter(s => s).join(' - ')
    if (opts.schedule && opts.media.nextAiringEpisode) nodes[7].textContent = 'EP ' + opts.media.nextAiringEpisode.episode + ' in ' + countdown(opts.media.nextAiringEpisode.timeUntilAiring)
    nodes[8].innerHTML = '<span>' + [
      opts.media.format === 'TV' ? 'TV Show' : opts.media.format?.toLowerCase().replace(/_/g, ' '),
      opts.media.episodes ? opts.media.episodes + ' Episodes' : opts.media.duration ? opts.media.duration + ' Minutes' : undefined,
      opts.media.status?.toLowerCase().replace(/_/g, ' '),
      [opts.media.season?.toLowerCase(), opts.media.seasonYear].filter(s => s).join(' ')
    ].filter(s => s).join('</span><span>') + '</span>'
    nodes[13].innerHTML = opts.media.description
    nodes[14].innerHTML = opts.media.genres.map(key => (`<span class="badge badge-pill badge-color text-dark mt-5 font-weight-bold">${key}</span> `)).join('')
    return card
  } else if (opts.parseObject) {
    const card = bareCard.cloneNode(true)
    card.querySelector('h5').textContent = [opts.parseObject.anime_title, opts.parseObject.episode_number].filter(s => s).join(' - ')
    card.firstElementChild.onclick = opts.onclick
    return card
  }
  return skeletonCard.cloneNode(true)
}

async function releasesCards (items, limit) {
  const cards = []
  const media = await resolveFileMedia({ fileName: [...items].map(item => item.querySelector('title').textContent).slice(0, limit), isRelease: true })
  media.forEach((mediaInformation, index) => {
    mediaInformation.onclick = () => client.playTorrent(items[index].querySelector('link').textContent, { media: mediaInformation, episode: mediaInformation.episode })
    cards.push(cardCreator(mediaInformation))
  })
  localStorage.setItem('relations', JSON.stringify(relations))
  return cards
}
const genreBadge = document.createElement('span')
genreBadge.classList.add('badge', 'badge-pill', 'shadow')

function genreBadges (genres = []) {
  const badges = []
  for (const genre of genres) {
    const badge = genreBadge.cloneNode(true)
    badge.textContent = genre
    badges.push(badge)
  }
  return badges
}
const detailsMap = [
  { property: 'episode', label: 'Airing', icon: 'schedule', custom: 'property' },
  { property: 'genres', label: 'Genres', icon: 'theater_comedy' },
  { property: 'season', label: 'Season', icon: 'spa', custom: 'property' },
  { property: 'episodes', label: 'Episodes', icon: 'theaters', custom: 'property' },
  { property: 'duration', label: 'Duration', icon: 'timer' },
  { property: 'format', label: 'Format', icon: 'monitor' },
  { property: 'status', label: 'Status', icon: 'live_tv' },
  { property: 'nodes', label: 'Studio', icon: 'business' },
  { property: 'source', label: 'Source', icon: 'source' },
  { property: 'averageScore', label: 'Rating', icon: 'trending_up', custom: 'property' },
  { property: 'english', label: 'English', icon: 'title' },
  { property: 'romaji', label: 'Romaji', icon: 'translate' },
  { property: 'native', label: 'Native', icon: '語', custom: 'icon' }
]
/* global detailTemplate */
const detailTemp = detailTemplate.cloneNode(true).content
function mediaDetails (media) {
  const details = []
  for (const detail of detailsMap) {
    if (media[detail.property]) {
      const clone = detailTemp.cloneNode(true)
      const nodes = clone.querySelectorAll('*')
      switch (media[detail.property].constructor) {
        case String: {
          nodes[4].textContent = media[detail.property].replace(/_/g, ' ').toLowerCase()
          break
        }
        case Number: {
          nodes[4].textContent = media[detail.property]
          break
        }
        case Array: {
          if (detail.property === 'nodes') {
            nodes[4].textContent = media[detail.property][0] && media[detail.property][0].name
          } else {
            nodes[4].textContent = media[detail.property].join(', ').replace(/_/g, ' ').toLowerCase()
          }
        }
      }
      nodes[1].textContent = detail.icon
      nodes[3].textContent = detail.label
      switch (detail.custom) {
        case 'icon': {
          nodes[1].classList.remove('material-icons', 'font-size-24')
          nodes[1].classList.add('d-flex', 'align-items-center', 'text-nowrap', 'font-size-12', 'font-weight-bold')
          break
        }
        case 'property': {
          if (detail.property === 'episodes' && media.progress) {
            nodes[4].innerHTML = `Watched <b>${media.progress}</b> of <b>${media.episodes}</b>`
          } else if (detail.property === 'averageScore') {
            nodes[4].textContent = media.averageScore + '%'
          } else if (detail.property === 'season') {
            nodes[4].textContent = [media.season?.toLowerCase(), media.seasonYear].filter(f => f).join(' ')
          } else if (detail.property === 'episode') {
            nodes[4].textContent = `Ep ${media.episode}: ${countdown(media.timeUntilAiring)}`
          } else {
            nodes[4].textContent = media[detail.property]
          }
        }
      }
      details.push(clone)
    }
  }
  return details
}

function trailerPopup (trailer) {
  trailerVideo.src = ''
  halfmoon.toggleModal('trailer')
  switch (trailer.site) { // should support the other possible sites too, but i cant find any examples
    case 'youtube':
      trailerVideo.src = 'https://www.youtube.com/embed/' + trailer.id
      break
  }
}
trailerClose.onclick = () => {
  trailerVideo.src = ''
}

navNowPlaying.onclick = () => { if (client.nowPlaying?.media) viewMedia(client.nowPlaying.media) }
/* global trailerVideo, viewAnime, trailerClose, navNowPlaying */
const viewNodes = viewAnime.querySelectorAll('*')
export function viewMedia (input, episode) {
  halfmoon.showModal('viewAnime')
  const media = flattenObj(input)
  viewNodes[9].src = media.extraLarge || media.medium
  viewNodes[13].textContent = media.userPreferred
  viewNodes[17].textContent = media.averageScore + '%'
  viewNodes[20].textContent = media.format === 'TV' ? media.format : media.format?.toLowerCase()
  if (media.episodes === 1 || (!media.episodes && !media.episode)) {
    viewNodes[14].classList.add('movie')
    viewNodes[31].classList.add('movie')
    viewNodes[28].textContent = media.duration + ' min'
  } else {
    viewNodes[31].classList.remove('movie')
    viewNodes[14].classList.remove('movie')
    viewNodes[24].textContent = media.episodes
  }
  viewNodes[29].textContent = ''
  viewNodes[29].append(...genreBadges(media.genres))

  if (media.episodes || media.episode) {
    viewNodes[31].classList.remove('hidden')
    viewNodes[33].onclick = () => { nyaaSearch(input, Number(viewNodes[44].value) || 1); halfmoon.hideModal('viewAnime') }
    viewNodes[44].value = episode || Math.min(Number(media.progress) + 1 || 1, media.episodes)
    viewNodes[35].textContent = media.progress && media.progress !== media.episodes ? 'Continue' : 'Play'

    viewNodes[46].onclick = () => { nyaaSearch(input, Number(viewNodes[56].value) || 1, true); halfmoon.hideModal('viewAnime') }
    viewNodes[56].value = episode || Math.min(Number(media.progress) + 1 || 1, media.episodes)
  } else {
    viewNodes[31].classList.add('hidden')
  }
  if (media.bannerImage) {
    viewNodes[4].style = `background-image: linear-gradient(0deg, rgba(17,20,23,1) 0%, rgba(17,20,23,0.80) 25%, rgba(17,20,23,0.40) 50%, rgba(37,40,44,0) 100%), url('${media.bannerImage}') !important`
  } else {
    viewNodes[4].style = 'background-image: linear-gradient(0deg, rgba(17,20,23,1) 0%, rgba(17,20,23,0.80) 25%, rgba(17,20,23,0.40) 50%, rgba(37,40,44,0) 100%) !important'
  }

  viewNodes[57].onclick = () => trailerPopup(input.trailer)

  viewNodes[63].innerHTML = media.description

  viewNodes[66].textContent = ''
  viewNodes[66].append(...mediaDetails(media))
}

export let alID // login icon
/* global oauth */
export function initMenu () {
  if (localStorage.getItem('ALtoken')) {
    alRequest({ method: 'Viewer' }).then(result => {
      oauth.removeAttribute('href')
      oauth.setAttribute('data-title', `${result.data.Viewer.name}\nClick To Logout`)
      oauth.innerHTML = `
      <span class="text-nowrap d-flex align-items-center">
      <img src="${result.data.Viewer.avatar.medium}">
      <span class="text">${result.data.Viewer.name}</span>
      <span class="material-icons menu text">logout</span>
      </span>`
      oauth.onclick = () => {
        localStorage.removeItem('ALtoken')
        location.reload()
      }
      alID = result.data.Viewer.id
      loadHomePage()
    })
  } else {
    loadHomePage()
    home.classList.add('noauth')
  }
}

if (userBrowser === 'firefox') {
  halfmoon.initStickyAlert({
    content: 'Your browser will likely not support many video formats, containers and features. Please use Chromium!',
    title: 'Bad Browser',
    alertType: 'alert-danger',
    fillType: ''
  })
}