import { type NextRequest, userAgent, NextResponse } from 'next/server';
import { type SellerDocument } from './const/types';

export function middleware(request: NextRequest) {
  try {
    const { isBot } = userAgent(request);

    const currentUser: SellerDocument | undefined = request.cookies.get(
      'loggedUser'
    )?.value
      ? (JSON.parse(request.cookies.get('loggedUser')!.value) as SellerDocument)
      : undefined;

    const redirectCode = isBot ? 308 : 307;

    console.log(
      'Test middleware (No cache - Redirect): ',
      currentUser?.verifiedLevel,
      redirectCode
    );

    if (
      currentUser &&
      (request.nextUrl.pathname.startsWith('/login') ||
        request.nextUrl.pathname.startsWith('/register'))
    ) {
      console.log('Redirecting to dashboard');
      const redirectResponse = NextResponse.redirect(
        new URL('/dashboard', request.url),
        redirectCode
      );

      return redirectResponse;
    }

    if (currentUser && request.nextUrl.pathname.startsWith('/sellers')) {
      console.log('Redirecting to home');
      const redirectResponse = NextResponse.redirect(
        new URL('/', request.url),
        redirectCode
      );

      return redirectResponse;
    }
    return NextResponse.next();
  } catch (error) {
    console.error('Middleware error: ', error);
    return NextResponse.next();
  }
}

export const config = {
  matcher: ['/((?!api|_next/static|_next/image|favicon.ico).*)']
};