import { NextResponse } from "next/server";
import type { NextRequest } from "next/server";

export async function middleware(req: NextRequest) {
  const token = req.cookies.get("Authorization")?.value;

  if (!token) {
    console.log("Middleware: No token found, redirecting to login...");
    return NextResponse.redirect(new URL("/auth/login", req.url));
  }

  console.log("Middleware: Token found, validating...");

  try {
    // Get the origin but handle localhost differently to avoid SSL issues
    const origin = req.nextUrl.origin;
    
    // Construct the auth check URL based on environment
    // For localhost, explicitly use HTTP instead of HTTPS
    const isLocalhost = origin.includes('localhost') || origin.includes('127.0.0.1');
    const protocol = isLocalhost ? 'http' : 'https';
    const host = req.nextUrl.host;
    const authCheckUrl = `${protocol}://${host}/api/auth/check`;
    
    console.log(`Using internal auth check URL: ${authCheckUrl}`);
    
    const res = await fetch(authCheckUrl, {
      method: "GET",
      headers: {
        "Content-Type": "application/json",
        // Explicitly pass the token in headers as well
        "Authorization": `Bearer ${token}`
      },
      credentials: 'include',
    });

    console.log(`Middleware: Auth check responded with status ${res.status}`);

    if (!res.ok) {
      console.log(`Middleware: Auth check failed with status ${res.status}, redirecting to login`);
      return NextResponse.redirect(new URL("/auth/login", req.url));
    }

    console.log("Middleware: Auth check successful, proceeding to dashboard");
  } catch (error) {
    console.error("Authentication validation failed:", error);
    return NextResponse.redirect(new URL("/auth/login", req.url));
  }

  return NextResponse.next();
}

export const config = {
  matcher: ["/dashboard/:path*"],
};