import { Workspace } from "@rbxts/services"
import { LoadSongs, SongList } from "./InitSongs";


let SongPlaying = new Instance("StringValue")
SongPlaying.Name = "SongPlaying";
SongPlaying.Value = "Nothing";
SongPlaying.Parent = Workspace
let AudioObject = new Instance("Sound");
AudioObject.Name = "MusicSystem"
AudioObject.Parent = Workspace

let RequestedMusic = new Array<number>();

let IsRunning = false;


function ToSoundId(AudioId : Number) : string
{
    return `rbxassetid://${AudioId}`;
}
let CurrentSong : number;
function PickNewSong()
{
    print("Stop Detected!");
    CurrentSong = math.random(0, SongList.size()-1)
    if(RequestedMusic.size() > 0)
    {
        AudioObject.SoundId = ToSoundId(RequestedMusic[0])
        RequestedMusic.pop();
    }
    else
    {
        AudioObject.SoundId = ToSoundId(SongList[CurrentSong].AudioId);
    }
    print("Playing new song!")
    AudioObject.Play();
}

function RunMusic()
{
    if(IsRunning) return;
    IsRunning = true;
    LoadSongs();
    CurrentSong = math.random(0, SongList.size()-1);
    AudioObject.Played.Connect(()=>{
        SongPlaying.Value = SongList[CurrentSong].SongName;
        let Counter = 0;
        while(AudioObject.TimeLength === 0 || Counter < 100) { wait(); print("Waiting for TimeLength not to = 0"); Counter++; }
        wait(AudioObject.TimeLength)
        AudioObject.Stop();
        PickNewSong();
    })

    AudioObject.SoundId = ToSoundId(SongList[CurrentSong].AudioId);
    AudioObject.Play();
    AudioObject.Parent = Workspace;

}

let IsRequestInProgress = false;
function RequestMusic(plr : Player, MusicId : number)
{
    if(IsRequestInProgress) { return false }
    let DataFolder = plr.FindFirstChild<Folder>("DataFolder");
    if(DataFolder !== undefined)
    {
        let MusicCredits = DataFolder.FindFirstChild<NumberValue>("MusicCredits");
        if(MusicCredits !== undefined)
        {
            if(MusicCredits.Value > 0)
            {
                MusicCredits.Value = MusicCredits.Value - 1;
                RequestedMusic.push(MusicId);
            }
        }
    }
}

export {RunMusic}