'use client';

// Helper function to verify authentication with the local API
export async function verifyAuth(token: string) {
  try {
    let authEndpoint;
    
    // Check if we're running in a browser environment
    if (typeof window !== 'undefined') {
      // Use the current origin in browser environments
      const origin = window.location.origin;
      authEndpoint = new URL('/api/auth/me', origin).toString();
      console.log(`Using browser origin for auth endpoint: ${authEndpoint}`);
    } else {
      // For SSR or when window is not available (e.g. in Docker container)
      // Use the environment variable if available
      if (process.env.SERVER_API_URL) {
        authEndpoint = `${process.env.SERVER_API_URL}/auth/me`;
        console.log(`Using SERVER_API_URL for auth endpoint: ${authEndpoint}`);
      } else {
        // Fallback for local development
        const protocol = (process.env.USE_HTTPS === 'false') ? 'http' : 'https';
        const port = process.env.INTERNAL_API_PORT || '3000';
        authEndpoint = `${protocol}://localhost:${port}/api/auth/me`;
        console.log(`Using fallback for auth endpoint: ${authEndpoint}`);
      }
    }
    
    console.log(`Verifying authentication with endpoint: ${authEndpoint}`);
    
    const response = await fetch(authEndpoint, {
      method: "GET",
      headers: {
        "Content-Type": "application/json",
        Authorization: `Bearer ${token}`,
      },
      // Prevent caching of auth requests
      cache: 'no-store'
    });

    if (!response.ok) {
      console.error(`Auth verification failed: ${response.status}`);
      return false;
    }
    
    return await response.json();
  } catch (error) {
    console.error("Authentication verification failed:", error);
    console.error("Error details:", error instanceof Error ? error.message : 'Unknown error');
    return false;
  }
}