const { Tray, Menu, nativeImage, shell, clipboard } = require('electron');

// Minimal green-circle tray icon, kept from the previous version for visual continuity.
const TRAY_ICON_BASE64 =
  'data:image/png;base64,' +
  'iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAAXNSR0IArs4c6QAAAa' +
  'RJREFUWEftlj1OxDAQhe0TcARuABUNDQUF4gRIFJyAG9BQcQJOwA1oKGgoOAI3wP' +
  'vkWRnZjr1xsgVilCiy4/n85s14nMGO/wY79v/dAfwH4T8IpUNoSj9FxAPiS+IHRO' +
  'nzEscvUz4gnkV8JF5C7BNfEe8j6pznxFvEp8RviM8RfyXOlxPVd0j5QAgOBaET5E' +
  'xgXxBPIS5GzlMEMxIJ3kLwPPFT4gPEudC+ILYimlkuJKovoeSBaEuCg8CTiHPC0r' +
  'sQnETM7Q7HqRdS70ygIHYb4p/Ee4hziT0cDx23BaGMwA3EF4nXEi8iz6fOF4Tae+' +
  'LniOuJsxN5PxZ+JgTfIL5K7E4cJIiScr5LjA7lPmvuP0/ETvAEvQn4Tqy+HNNyTk' +
  'fiWeT/0niDe4kqEkX5e5bOGwmhOsRsN2UEQ/qvY/ISxOuIq4k7tI2EcJ38NcT3iX' +
  'PB7S4/EuoISgYrLKD1dOhOPFP6+4R7ieoQPNv9/ULZ+zfis+0Y1e+F7oF3H5F+Xt' +
  'T5p0AqBYeEeEF8k/gtcS56z6f/E5UOLHL8A8a4yC0IHbH4AAAAASUVORK5CYII=';

/**
 * @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 };