/*
  author: Yagnik Poshiya
  organization: Webbrains Technologies Private Limited
*/

import { createServerClient } from '@supabase/ssr';
import { NextResponse, type NextRequest } from 'next/server';

import { isRefreshTokenError } from '@/lib/auth/session-expired';

const PROTECTED_PREFIXES = ['/dashboard', '/org/', '/project/'];

function isProtectedRoute(pathname: string): boolean {
  return PROTECTED_PREFIXES.some(
    (p) => pathname === p || pathname.startsWith(p),
  );
}

export async function proxy(request: NextRequest) {
  let supabaseResponse = NextResponse.next({ request });

  const supabase = createServerClient(
    process.env.NEXT_PUBLIC_SUPABASE_URL!,
    process.env.NEXT_PUBLIC_SUPABASE_PUBLISHABLE_KEY!,
    {
      cookies: {
        getAll() {
          return request.cookies.getAll();
        },
        setAll(cookiesToSet) {
          cookiesToSet.forEach(({ name, value }) =>
            request.cookies.set(name, value),
          );
          supabaseResponse = NextResponse.next({ request });
          cookiesToSet.forEach(({ name, value, options }) =>
            supabaseResponse.cookies.set(name, value, options),
          );
        },
      },
    },
  );

  const {
    data: { user },
    error,
  } = await supabase.auth.getUser();

  const { pathname, search } = request.nextUrl;

  if (!user && isProtectedRoute(pathname)) {
    const url = request.nextUrl.clone();
    url.pathname = '/auth';
    url.search = '';
    url.searchParams.set('next', pathname + search);
    if (isRefreshTokenError(error)) {
      url.searchParams.set('reason', 'session_expired');
    }
    return NextResponse.redirect(url);
  }

  return supabaseResponse;
}

export const config = {
  matcher: [
    '/((?!_next/static|_next/image|favicon\\.ico|.*\\.(?:svg|png|jpg|jpeg|gif|webp|ico)$).*)',
  ],
};