import { app } from 'electron';
import AutoLaunch from 'auto-launch';
import { readDesktopSettings } from '../desktop-settings';

let autoLauncher: AutoLaunch | null = null;

function resolveLaunchPath(): string {
  // AppImage runs from a temporary mount; APPIMAGE points to the real file path.
  const appImagePath = process.platform === 'linux'
    ? String(process.env['APPIMAGE'] || '').trim()
    : '';

  return appImagePath || process.execPath;
}

function getAutoLauncher(): AutoLaunch | null {
  if (!app.isPackaged) {
    return null;
  }

  if (!autoLauncher) {
    autoLauncher = new AutoLaunch({
      name: app.getName(),
      path: resolveLaunchPath()
    });
  }

  return autoLauncher;
}

async function setAutoStartEnabled(enabled: boolean): Promise<void> {
  const launcher = getAutoLauncher();

  if (!launcher) {
    return;
  }

  const currentlyEnabled = await launcher.isEnabled();

  if (currentlyEnabled === enabled) {
    return;
  }

  if (enabled) {
    await launcher.enable();
    return;
  }

  await launcher.disable();
}

export async function synchronizeAutoStartSetting(enabled = readDesktopSettings().autoStart): Promise<void> {
  try {
    await setAutoStartEnabled(enabled);
  } catch {
    // Auto-launch integration should never block app startup or settings saves.
  }
}