import { MprisPlayer } from "types/service/mpris";
const mpris = await Service.import("mpris");

export const getCurrentPlayer = (activePlayer: MprisPlayer = mpris.players[0]): MprisPlayer => {
    const statusOrder = {
        Playing: 1,
        Paused: 2,
        Stopped: 3,
    };

    if (mpris.players.length === 0) {
        return mpris.players[0];
    }

    const isPlaying = mpris.players.some(
        (p: MprisPlayer) => p.play_back_status === "Playing",
    );

    const playerStillExists = mpris.players.some(
        (p) => activePlayer.bus_name === p.bus_name
    );

    const nextPlayerUp = mpris.players.sort(
        (a: MprisPlayer, b: MprisPlayer) =>
            statusOrder[a.play_back_status] -
            statusOrder[b.play_back_status],
    )[0];

    if (isPlaying || !playerStillExists) {
        return nextPlayerUp;
    }

    return activePlayer;
}