const { Tray, Menu, nativeImage, shell, clipboard } = require('electron');
const { TRAY_ICON_BASE64 } = require('./tray-icon');

/**
 * @param {Object} options
 * @param {number} options.port
 * @param {() => void} options.onShow
 * @param {() => void} options.onQuit
 * @returns {{ update: (info: { title: string|null, artist: string|null }) => void, destroy: () => void }}
 */
function createTray({ port, onShow, onQuit }) {
  let trayInstance = null;
  let currentTitle = null;
  let currentArtist = null;

  function buildMenu() {
    const url = `http://localhost:${port}/`;
    const nowPlaying =
      currentTitle && currentArtist
        ? `${currentTitle} — ${currentArtist}`
        : currentTitle || 'Nothing playing';

    return Menu.buildFromTemplate([
      { label: "What's That Music", enabled: false },
      { label: `Now Playing: ${nowPlaying}`, enabled: false },
      { type: 'separator' },
      { label: 'Show Player', click: () => onShow && onShow() },
      { label: 'Open Overlay in Browser', click: () => shell.openExternal(url) },
      { label: 'Copy OBS URL', click: () => clipboard.writeText(url) },
      { type: 'separator' },
      { label: 'Quit', click: () => onQuit && onQuit() },
    ]);
  }

  const icon = nativeImage.createFromDataURL(TRAY_ICON_BASE64);
  icon.setTemplateImage(true);

  trayInstance = new Tray(icon);
  trayInstance.setToolTip("What's That Music");
  trayInstance.setContextMenu(buildMenu());

  return {
    update({ title, artist }) {
      currentTitle = title || null;
      currentArtist = artist || null;
      if (trayInstance) trayInstance.setContextMenu(buildMenu());
    },
    destroy() {
      if (trayInstance) {
        trayInstance.destroy();
        trayInstance = null;
      }
    },
  };
}

module.exports = { createTray };