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<script lang="ts">
  import { onMount } from 'svelte';
  import Message from '$lib/Loading/Message.svelte';
  import Skeleton from '$lib/Loading/Skeleton.svelte';
  import HeadTitle from '$lib/Home/HeadTitle.svelte';
  import { parseScheduleHtml } from '$lib/Data/hololive';
  import proxy from '$lib/Utility/proxy';
  import locale from '$stores/locale';
  import root from '$lib/Utility/root';
  import identity from '$stores/identity';
  import Lives from '$lib/Hololive/Lives.svelte';
  import { typeSchedule } from '$lib/Hololive/hololive';

  export let data;

  let schedulePromise: Promise<Response>;
  let pinnedStreams: string[] = [];

  onMount(() => getPinnedStreams());

  const getPinnedStreams = () => {
    let streams: string[] = [];

    const setSchedule = () => {
      pinnedStreams = streams;
      schedulePromise = fetch(proxy('https://schedule.hololive.tv'), {
        headers: {
          Cookie: 'timezone=Asia/Tokyo'
        }
      });
    };

    if ($identity.id !== -2) {
      fetch(root(`/api/preferences?id=${$identity.id}`)).then((response) => {
        if (response.ok)
          response.json().then((data) => {
            if (data && data.pinned_hololive_streams) streams = data.pinned_hololive_streams;

            setSchedule();
          });
      });

      return;
    }

    setSchedule();
  };
</script>

<HeadTitle route="hololive Schedule" path="/hololive" />

{#await schedulePromise}
  <Message message="Loading schedule ..." />

  <Skeleton grid={true} count={100} width="49%" height="16.25em" />
{:then scheduleResponse}
  {#if scheduleResponse}
    {#await scheduleResponse.text()}
      <Message message="Parsing schedule ..." />

      <Skeleton grid={true} count={100} width="49%" height="16.25em" />
    {:then untypedSchedule}
      {@const schedule = typeSchedule(parseScheduleHtml(untypedSchedule))}

      <Lives {schedule} {pinnedStreams} {getPinnedStreams} filter={data.stream} />
    {:catch}
      <Message loader="ripple" slot>
        {$locale().hololive.parseError}
        <a href={'#'} on:click={() => location.reload()}>Try again?</a>
      </Message>
    {/await}
  {:else}
    <Message message="Loading schedule ..." />

    <Skeleton grid={true} count={100} width="49%" height="16.25em" />
  {/if}
{:catch}
  <Message loader="ripple" slot>
    {$locale().hololive.loadError} Please
    <a href={'#'} on:click={() => location.reload()}>try again</a> later.
  </Message>
{/await}