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

export function middleware(request: NextRequest) {
    const { pathname } = request.nextUrl;

    if (pathname.startsWith('/dashboard')) {
        const authToken = request.cookies.get('Authorization')?.value;

        const isPrefetch =
            request.headers.get('Next-Router-Prefetch') === '1' ||
            request.headers.get('purpose') === 'prefetch';

        if (!authToken) {
            if (isPrefetch) {
                // Let prefetch requests through so caching works
                return NextResponse.next();
            }

            const loginUrl = new URL('/auth/login', request.url);
            loginUrl.searchParams.set('redirectUrl', pathname);
            return NextResponse.redirect(loginUrl);
        }
    }

    return NextResponse.next();
}

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