<?php

namespace App\Tests\Security;

use App\Entity\Account;
use App\Entity\Customer;
use App\Security\AuthenticationEntryPoint;
use PHPUnit\Framework\Attributes\AllowMockObjectsWithoutExpectations;
use PHPUnit\Framework\TestCase;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;

#[AllowMockObjectsWithoutExpectations]
class AuthenticationEntryPointTest extends TestCase
{
    private $urlGenerator;
    private $tokenStorage;
    private $entryPoint;

    protected function setUp(): void
    {
        $this->urlGenerator = $this->createMock(UrlGeneratorInterface::class);
        $this->tokenStorage = $this->createMock(TokenStorageInterface::class);
        $this->entryPoint = new AuthenticationEntryPoint($this->urlGenerator, $this->tokenStorage);
    }

    public function testStartJsonRequestReturnsForbidden()
    {
        $request = Request::create('/api/resource');
        $request->headers->set('Accept', 'application/json');

        $response = $this->entryPoint->start($request);

        $this->assertInstanceOf(JsonResponse::class, $response);
        $this->assertEquals(Response::HTTP_FORBIDDEN, $response->getStatusCode());
    }

    public function testStartCrmPathWithCustomerRedirectsToHome()
    {
        $request = Request::create('/crm/dashboard');
        
        $customer = $this->createMock(Customer::class);
        $token = $this->createMock(TokenInterface::class);
        $token->method('getUser')->willReturn($customer);
        $this->tokenStorage->method('getToken')->willReturn($token);

        $this->urlGenerator->expects($this->once())
            ->method('generate')
            ->with('app_home')
            ->willReturn('/home');

        $response = $this->entryPoint->start($request);

        $this->assertInstanceOf(RedirectResponse::class, $response);
        $this->assertEquals('/home', $response->getTargetUrl());
    }

    public function testStartCrmPathWithoutUserRedirectsToHome()
    {
        $request = Request::create('/crm/dashboard');
        
        $this->tokenStorage->method('getToken')->willReturn(null);

        $this->urlGenerator->expects($this->once())
            ->method('generate')
            ->with('app_home')
            ->willReturn('/home');

        $response = $this->entryPoint->start($request);

        $this->assertInstanceOf(RedirectResponse::class, $response);
        $this->assertEquals('/home', $response->getTargetUrl());
    }

    public function testStartReservationPathWithoutUserRedirectsToReservationLogin()
    {
        $request = Request::create('/reservation/book');
        
        $this->tokenStorage->method('getToken')->willReturn(null);

        $this->urlGenerator->expects($this->once())
            ->method('generate')
            ->with('reservation_login')
            ->willReturn('/reservation/login');

        $response = $this->entryPoint->start($request);

        $this->assertInstanceOf(RedirectResponse::class, $response);
        $this->assertEquals('/reservation/login', $response->getTargetUrl());
    }

    public function testStartReservationPathWithUserRedirectsToHomeOnlyBecauseDefaultFallback()
    {
        // Note: The logic in AuthenticationEntryPoint for /reservation only handles !$user.
        // If user exists (Account or Customer), it falls through to the default return at the end.
        
        $request = Request::create('/reservation/book');
        
        $user = $this->createMock(Account::class);
        $token = $this->createMock(TokenInterface::class);
        $token->method('getUser')->willReturn($user);
        $this->tokenStorage->method('getToken')->willReturn($token);

        $this->urlGenerator->expects($this->once())
            ->method('generate')
            ->with('app_home')
            ->willReturn('/home');

        $response = $this->entryPoint->start($request);

        $this->assertInstanceOf(RedirectResponse::class, $response);
        $this->assertEquals('/home', $response->getTargetUrl());
    }
}
