export function getApiUrl(path: string): string {
  const cleanPath = path.startsWith('/') ? path : `/${path}`;

  if (typeof window !== 'undefined' && window.location) {
    const origin = window.location.origin;
    // Local Expo dev server direct port
    if (origin.includes(':8081')) {
      return `http://localhost:8080/api${cleanPath}`;
    }
    // Deployed Modal Sandbox direct port
    if (origin.includes('.modal.host') || origin.includes('.modal.run')) {
      const backendOrigin = origin.replace('-8081-', '-8080-').replace('-8081.modal.run', '-8080.modal.run');
      return `${backendOrigin}/api${cleanPath}`;
    }

    // Relative path works when accessed via port 5173 /mobile proxy
    return `/api${cleanPath}`;
  }

  // Fallback for native devices
  const baseUrl = process.env.EXPO_PUBLIC_API_URL || 'http://localhost:8080/api';
  return `${baseUrl}${cleanPath}`;
}