import { useEffect, useState } from 'react';
import TrackPlayer, { usePlaybackState, Track } from 'react-native-track-player';

/**
 * This hook retrieves the current playing track from TrackPlayer
 */
export default function useQueue(): Track[] | undefined {
    const state = usePlaybackState();
    const [queue, setQueue] = useState<Track[]>();

    useEffect(() => {
        TrackPlayer.getQueue().then(setQueue);
    }, [state]);

    return queue;
}

/**
 * Shorthand helper to determine whether a queue exists
 */
export function useHasQueue(): boolean {
    const queue = useQueue();
    return !!queue && queue.length > 1;
}