import { useState } from "react";
import { Link, useLoaderData, type LoaderFunctionArgs } from "react-router";
import { mergeTracks, type Album, type Track } from "api/api";
import LastPlays from "~/components/LastPlays";
import PeriodSelector from "~/components/PeriodSelector";
import MediaLayout from "./MediaLayout";
import ActivityGrid from "~/components/ActivityGrid";
import { timeListenedString } from "~/utils/utils";

export async function clientLoader({ params }: LoaderFunctionArgs) {
    let res = await fetch(`/apis/web/v1/track?id=${params.id}`);
    if (!res.ok) {
        throw new Response("Failed to load track", { status: res.status });
    }
    const track: Track = await res.json();
    res = await fetch(`/apis/web/v1/album?id=${track.album_id}`)
    if (!res.ok) {
        throw new Response("Failed to load album for track", { status: res.status })
    }
    const album: Album = await res.json()
    return {track: track, album: album};
}

export default function Track() {
    const { track, album } = useLoaderData();
    const [period, setPeriod] = useState('week')

    return (
        <MediaLayout type="Track"
            title={track.title}
            img={track.image}
            id={track.id}
            musicbrainzId={album.musicbrainz_id}
            imgItemId={track.album_id}
            mergeFunc={mergeTracks}
            mergeCleanerFunc={(r, id) => {
                r.albums = []
                r.artists = []
                for (let i = 0; i < r.tracks.length; i ++) {
                    if (r.tracks[i].id === id) {
                        delete r.tracks[i]
                    }
                }
                return r
            }}
            subContent={<div className="flex flex-col gap-2 items-start">
            <Link to={`/album/${track.album_id}`}>appears on {album.title}</Link>
            {track.listen_count && <p>{track.listen_count} play{ track.listen_count > 1 ? 's' : ''}</p>}
            {<p title={Math.floor(track.time_listened / 60) + " minutes"}>{timeListenedString(track.time_listened)}</p>}
            {<p title={new Date(track.first_listen * 1000).toLocaleString()}>Listening since {new Date(track.first_listen * 1000).toLocaleDateString()}</p>}
            </div>}
        >
            <div className="mt-10">
                <PeriodSelector setter={setPeriod} current={period} />
            </div>
            <div className="flex flex-wrap gap-20 mt-10">
                <LastPlays limit={20} trackId={track.id}/>
                <ActivityGrid trackId={track.id} configurable />
            </div>
        </MediaLayout>
    )
}