<?php

namespace Tests\Unit\Auth\UseCases;

use App\Auth\Session;
use App\Auth\UseCases\CreateSession\CreateSession;
use App\Shared\ValueObject\EmailAddress;
use App\User\User;
use DateTimeImmutable;
use DateTimeZone;
use Tests\Fakes\FakeClock;
use Tests\Fakes\FakeSessionRepository;
use Tests\Fakes\FakeTokenGenerator;
use Tests\TestCase;

class CreateSessionTest extends TestCase
{
    private FakeSessionRepository $sessionRepo;

    private FakeTokenGenerator $tokenGenerator;

    private FakeClock $clock;

    private DateTimeImmutable $now;

    private CreateSession $useCase;

    protected function setUp(): void
    {
        $this->now = new DateTimeImmutable(
            '2026-05-06T12:00:00',
            new DateTimeZone('UTC')
        );
        $this->sessionRepo = new FakeSessionRepository;
        $this->tokenGenerator = new FakeTokenGenerator(['token-abc']);
        $this->clock = new FakeClock($this->now);
        $this->useCase = new CreateSession(
            $this->sessionRepo,
            $this->tokenGenerator,
            $this->clock,
        );
    }

    private function makeUser(): User
    {
        return new User(
            id: 7,
            email: new EmailAddress('user@example.com'),
            passwordHash: 'hashed:irrelevant',
            isAdmin: false,
        );
    }

    public function test_creates_session_with_generated_token(): void
    {
        $session = $this->useCase->execute($this->makeUser());

        $this->assertInstanceOf(Session::class, $session);
        $this->assertSame('token-abc', $session->getToken());
        $this->assertSame(7, $session->getUser()->getId());
    }

    public function test_session_created_at_is_clock_now(): void
    {
        $session = $this->useCase->execute($this->makeUser());

        $this->assertEquals($this->now, $session->getCreatedAt());
    }

    public function test_session_expires_seven_days_from_now(): void
    {
        $session = $this->useCase->execute($this->makeUser());

        $expected = $this->now->modify('+7 days');
        $this->assertEquals($expected, $session->getExpiresAt());
    }

    public function test_session_is_findable_by_token(): void
    {
        $this->useCase->execute($this->makeUser());

        $found = $this->sessionRepo->findByToken('token-abc');
        $this->assertNotNull($found);
        $this->assertSame(7, $found->getUser()->getId());
    }
}