/**
 * Server-side session helper for Better Auth
 * This provides getSession() for use in server components
 */

import { cookies, headers } from "next/headers";

export async function getSession() {
  try {
    const cookieStore = await cookies();
    const headerStore = await headers();
    
    // Get the session token from cookies
    // Try both with and without __Secure prefix
    let sessionToken = cookieStore.get('better-auth.session_token');
    if (!sessionToken) {
      sessionToken = cookieStore.get('__Secure-better-auth.session_token');
    }
    
    if (!sessionToken) {
      return null;
    }
    
    // Use BETTER_AUTH_URL from environment for internal fetch
    // This ensures consistent origin for server-side requests
    const baseUrl = process.env.BETTER_AUTH_URL || 'http://localhost:3000';
    
    // Make a request to the Better Auth API to get the session
    const response = await fetch(`${baseUrl}/api/auth/get-session?disableCookieCache=true`, {
      method: 'GET',
      headers: {
        'Cookie': `${sessionToken.name}=${sessionToken.value}`,
      },
      cache: 'no-store',
    });
    
    if (!response.ok) {
      console.log('Session API response not OK:', response.status);
      return null;
    }
    
    return await response.json();
  } catch (error) {
    console.error('Failed to get session:', error);
    return null;
  }
}

// For backward compatibility with existing code
export type AuthUser = {
  user: {
    id: string;
    email: string;
    name?: string;
    role?: string;
    [key: string]: unknown;
  };
  session: {
    token: string;
    expiresAt: Date;
    [key: string]: unknown;
  };
} | null;