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) => p["play-back-status"] === "Playing",
    );

    const playerStillExists = mpris.players.some(
        (p) => activePlayer["bus-name"] === p["bus-name"],
    );

    const nextPlayerUp = mpris.players.sort(
        (a, b) =>
            statusOrder[a["play-back-status"]] -
            statusOrder[b["play-back-status"]],
    )[0];

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

    return activePlayer;
}