import Widget from "resource:///com/github/Aylur/ags/widget.js";
import Mpris from "resource:///com/github/Aylur/ags/service/mpris.js";
import * as Utils from "resource:///com/github/Aylur/ags/utils.js";
import HoverRevealer from "../../misc/HoverRevealer.js";
import * as mpris from "../../misc/mpris.js";
import options from "../../options.js";

export const getPlayer = (name = options.mpris.preferred.value) =>
  Mpris.getPlayer(name) || Mpris.players[0] || null;

/**
 * @param {Object} o
 * @param {import('types/service/mpris').MprisPlayer} o.player
 * @param {import('../../misc/HoverRevealer').HoverRevealProps['direction']=} o.direction
 */
const Indicator = ({ player, direction = "right" }) =>
  HoverRevealer({
    class_name: `media panel-button ${player.name}`,
    direction,
    on_primary_click: () => player.playPause(),
    on_scroll_up: () => player.next(),
    on_scroll_down: () => player.previous(),
    on_secondary_click: () => player.playPause(),
    indicator: mpris.PlayerIcon(player),
    child: Widget.Label({
      vexpand: true,
      truncate: "end",
      max_width_chars: 40,
      connections: [
        [
          player,
          (label) => {
            label.label = `${player.track_artists.join(", ")} - ${
              player.track_title
            }`;
          },
        ],
      ],
    }),
    connections: [
      [
        player,
        (revealer) => {
          if (revealer._current === player.track_title) return;

          revealer._current = player.track_title;
          revealer.reveal_child = true;
          Utils.timeout(3000, () => {
            revealer.reveal_child = false;
          });
        },
      ],
    ],
  });

/**
 * @param {Object} o
 * @param {import('../../misc/HoverRevealer').HoverRevealProps['direction']=} o.direction
 */
export default ({ direction = "right" } = {}) => {
  let current = null;

  const update = (box) => {
    const player = getPlayer();
    box.visible = !!player;

    if (!player) {
      current = null;
      return;
    }

    if (current === player) return;

    current = player;
    box.children = [Indicator({ player, direction })];
  };

  return Widget.Box({
    connections: [
      [options.mpris.preferred, update],
      [Mpris, update, "notify::players"],
    ],
  });
};