<template>
  <div>
    <!-- Year in review banner shown at the top in December and January -->
    <stats-year-in-review-banner v-if="showYearInReviewBanner" />

    <app-settings-content :header-text="$strings.HeaderYourStats" class="!mb-4">
      <div class="flex justify-center">
        <div class="flex p-2">
          <svg class="hidden sm:block h-14 w-14 lg:h-18 lg:w-18" viewBox="0 0 24 24">
            <path
              fill="currentColor"
              d="M19 1L14 6V17L19 12.5V1M21 5V18.5C19.9 18.15 18.7 18 17.5 18C15.8 18 13.35 18.65 12 19.5V6C10.55 4.9 8.45 4.5 6.5 4.5C4.55 4.5 2.45 4.9 1 6V20.65C1 20.9 1.25 21.15 1.5 21.15C1.6 21.15 1.65 21.1 1.75 21.1C3.1 20.45 5.05 20 6.5 20C8.45 20 10.55 20.4 12 21.5C13.35 20.65 15.8 20 17.5 20C19.15 20 20.85 20.3 22.25 21.05C22.35 21.1 22.4 21.1 22.5 21.1C22.75 21.1 23 20.85 23 20.6V6C22.4 5.55 21.75 5.25 21 5M10 18.41C8.75 18.09 7.5 18 6.5 18C5.44 18 4.18 18.19 3 18.5V7.13C3.91 6.73 5.14 6.5 6.5 6.5C7.86 6.5 9.09 6.73 10 7.13V18.41Z"
            />
          </svg>
          <div class="px-3">
            <p class="text-4xl md:text-5xl font-bold">{{ userItemsFinished.length }}</p>
            <p class="text-xs md:text-sm text-white text-opacity-80">{{ $strings.LabelStatsItemsFinished }}</p>
          </div>
        </div>

        <div class="flex p-2">
          <div class="hidden sm:block">
            <span class="hidden sm:block material-icons-outlined text-5xl lg:text-6xl">event</span>
          </div>
          <div class="px-1">
            <p class="text-4xl md:text-5xl font-bold">{{ totalDaysListened }}</p>
            <p class="text-xs md:text-sm text-white text-opacity-80">{{ $strings.LabelStatsDaysListened }}</p>
          </div>
        </div>

        <div class="flex p-2">
          <div class="hidden sm:block">
            <span class="material-icons-outlined text-5xl lg:text-6xl">watch_later</span>
          </div>
          <div class="px-1">
            <p class="text-4xl md:text-5xl font-bold">{{ totalMinutesListening }}</p>
            <p class="text-xs md:text-sm text-white text-opacity-80">{{ $strings.LabelStatsMinutesListening }}</p>
          </div>
        </div>
      </div>
      <div class="flex flex-col md:flex-row overflow-hidden max-w-full">
        <stats-daily-listening-chart :listening-stats="listeningStats" class="origin-top-left transform scale-75 lg:scale-100" />
        <div class="w-80 my-6 mx-auto">
          <div class="flex mb-4 items-center">
            <h1 class="text-2xl">{{ $strings.HeaderStatsRecentSessions }}</h1>
            <div class="flex-grow" />
            <ui-btn v-if="isAdminOrUp" :to="`/config/users/${user.id}/sessions`" class="text-xs" :padding-x="1.5" :padding-y="1">{{ $strings.ButtonViewAll }}</ui-btn>
          </div>
          <p v-if="!mostRecentListeningSessions.length">{{ $strings.MessageNoListeningSessions }}</p>
          <template v-for="(item, index) in mostRecentListeningSessions">
            <div :key="item.id" class="w-full py-0.5">
              <div class="flex items-center mb-1">
                <p class="text-sm text-white text-opacity-70 w-8">{{ index + 1 }}.&nbsp;</p>
                <div class="w-56">
                  <p class="text-sm text-white text-opacity-80 truncate">{{ item.mediaMetadata ? item.mediaMetadata.title : '' }}</p>
                  <p class="text-xs text-white text-opacity-50">{{ $dateDistanceFromNow(item.updatedAt) }}</p>
                </div>
                <div class="flex-grow" />
                <div class="w-18 text-right">
                  <p class="text-sm font-bold">{{ $elapsedPretty(item.timeListening) }}</p>
                </div>
              </div>
            </div>
          </template>
        </div>
      </div>
      <stats-heatmap v-if="listeningStats" :days-listening="listeningStats.days" class="my-2" />
    </app-settings-content>

    <!-- Year in review banner shown at the bottom Feb - Nov -->
    <stats-year-in-review-banner v-if="!showYearInReviewBanner" />
  </div>
</template>

<script>
export default {
  data() {
    return {
      listeningStats: null,
      windowWidth: 0,
      showYearInReviewBanner: false
    }
  },
  watch: {
    currentLibraryId(newVal, oldVal) {
      if (newVal) {
        this.init()
      }
    }
  },
  computed: {
    isAdminOrUp() {
      return this.$store.getters['user/getIsAdminOrUp']
    },
    user() {
      return this.$store.state.user.user
    },
    username() {
      return this.user.username
    },
    currentLibraryId() {
      return this.$store.state.libraries.currentLibraryId
    },
    userMediaProgress() {
      return this.user.mediaProgress || []
    },
    userItemsFinished() {
      return this.userMediaProgress.filter((lip) => !!lip.isFinished)
    },
    mostRecentListeningSessions() {
      if (!this.listeningStats) return []
      return this.listeningStats.recentSessions || []
    },
    totalMinutesListening() {
      if (!this.listeningStats) return 0
      return Math.round(this.listeningStats.totalTime / 60)
    },
    totalDaysListened() {
      if (!this.listeningStats) return 0
      return Object.values(this.listeningStats.days).length
    }
  },
  methods: {
    async init() {
      this.listeningStats = await this.$axios.$get(`/api/me/listening-stats`).catch((err) => {
        console.error('Failed to load listening sesions', err)
        return []
      })

      let month = new Date().getMonth()
      // January and December show year in review banner
      if (month === 11 || month === 0) {
        this.showYearInReviewBanner = true
      }
    }
  },
  mounted() {
    this.init()
  }
}
</script>