<template>
  <content-with-heading>
    <template slot="heading-left">
      <div class="title is-4">{{ album.name }}
        <a class="button is-small is-danger is-outlined" @click="rss_unsubscribe">
          <span class="icon">
            <i class="mdi mdi-bookmark-remove"></i>
          </span>
          <span>Unsubscribe</span>
        </a>
      </div>
     </template>
    <template slot="heading-right">
      <div class="buttons is-centered">
        <a class="button is-small" @click="mark_all_played" v-if="unplayed">
          <span class="icon">
            <i class="mdi mdi-pencil"></i>
          </span>
          <span>Mark All Played</span>
        </a>
        <a class="button is-small is-light is-rounded" @click="show_album_details_modal = true">
          <span class="icon"><i class="mdi mdi-dots-horizontal mdi-18px"></i></span>
        </a>
        <a class="button is-small is-dark is-rounded" @click="play">
          <span class="icon">
            <i class="mdi mdi-play"></i>
          </span>
          <span>Play</span>
        </a>
      </div>
    </template>
    <template slot="content">
      <p class="heading has-text-centered-mobile">{{ album.track_count }} tracks</p>
      <list-item-track v-for="track in tracks" :key="track.id" :track="track" @click="play_track(track)">
        <template slot="progress">
          <range-slider
            class="track-progress"
            min="0"
            :max="track.length_ms"
            step="1"
            :disabled="true"
            :value="track.seek_ms" >
          </range-slider>
        </template>
        <template slot="actions">
          <a @click="open_dialog(track)">
            <span class="icon has-text-dark"><i class="mdi mdi-dots-vertical mdi-18px"></i></span>
          </a>
        </template>
      </list-item-track>
      <modal-dialog-track :show="show_details_modal" :track="selected_track" @close="show_details_modal = false" @play_count_changed="reload_tracks" />
      <modal-dialog-album :show="show_album_details_modal" :album="album" :media_kind="'podcast'" @close="show_album_details_modal = false" />
    </template>
  </content-with-heading>
</template>

<script>
import { LoadDataBeforeEnterMixin } from './mixin'
import ContentWithHeading from '@/templates/ContentWithHeading'
import ListItemTrack from '@/components/ListItemTrack'
import ModalDialogTrack from '@/components/ModalDialogTrack'
import ModalDialogAlbum from '@/components/ModalDialogAlbum'
import RangeSlider from 'vue-range-slider'
import webapi from '@/webapi'

const albumData = {
  load: function (to) {
    return Promise.all([
      webapi.library_album(to.params.album_id),
      webapi.library_podcast_episodes(to.params.album_id)
    ])
  },

  set: function (vm, response) {
    vm.album = response[0].data
    vm.tracks = response[1].data.tracks.items
    vm.unplayed = !vm.tracks.every(track => track.play_count > 0)
  }
}

export default {
  name: 'PagePodcast',
  mixins: [LoadDataBeforeEnterMixin(albumData)],
  components: { ContentWithHeading, ListItemTrack, ModalDialogTrack, RangeSlider, ModalDialogAlbum },

  data () {
    return {
      album: {},
      tracks: [],
      unplayed: false,

      show_details_modal: false,
      selected_track: {},

      show_album_details_modal: false
    }
  },

  methods: {
    play: function () {
      webapi.player_play_uri(this.album.uri, false)
    },

    play_track: function (track) {
      webapi.player_play_uri(track.uri, false)
    },

    mark_all_played: function () {
      webapi.library_album_track_update(this.album.id, { play_count: 'played' }).then(({ data }) => (
        this.tracks.forEach(track => {
          if (track.play_count === 0) {
            track.play_count = 1
          }
        })
      ))
      this.unplayed = false
    },

    open_dialog: function (track) {
      this.selected_track = track
      this.show_details_modal = true
    },

    rss_unsubscribe: function () {
      webapi.search({ type: 'playlist', query: this.album.name }).then(({ data }) => {
        var plids = [...new Set(data.playlists.items
          .filter(pl => pl.name === this.album.name)
          .map(pl => pl.id))]

        if (plids.length === 1) {
          plids.forEach(pl => {
            webapi.library_playlist_delete(pl)
          })
          this.$router.push({ path: '/podcasts' })
        } else {
          this.$store.dispatch('add_notification', { text: 'Failed to delete playlist, unable to find unique plid', type: 'danger' })
        }
      })
    },

    reload_tracks: function () {
      webapi.library_podcast_episodes(this.album.id).then(({ data }) => {
        this.tracks = data.tracks.items
      })
    }
  }
}
</script>

<style>
</style>
