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("No token found, redirecting to login...");
    return NextResponse.redirect(new URL("/auth/login", req.url));
  }

  try {
    // Make sure we use a complete URL with protocol
    // When running locally with integrated backend, we need to specify the full URL including protocol
    const origin = req.nextUrl.origin;
    const authEndpoint = new URL("/api/auth/me", origin).toString();
    
    console.log("Verifying authentication with endpoint:", authEndpoint);
    
    const res = await fetch(authEndpoint, {
      method: "GET",
      headers: {
        "Content-Type": "application/json",
        Authorization: `Bearer ${token}`,
      },
      // Ensure we're not caching authentication checks
      cache: 'no-store'
    });

    if (!res.ok) {
      console.error(`Auth check failed with status: ${res.status}`);
      return NextResponse.redirect(new URL("/auth/login", req.url));
    }
  } catch (error) {
    console.error("Authentication validation failed:", error);
    console.error("Error details:", error instanceof Error ? error.message : 'Unknown error');
    return NextResponse.redirect(new URL("/auth/login", req.url));
  }

  return NextResponse.next();
}

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