<?php

namespace Tests\Unit\User\UseCases;

use App\Auth\PasswordHasher;
use App\Shared\ValueObject\EmailAddress;
use App\User\CreateUserDto;
use App\User\UseCases\EnsureInitialAdmin\EnsureInitialAdmin;
use App\User\UseCases\EnsureInitialAdmin\EnsureInitialAdminRequest;
use Tests\Fakes\FakeHasher;
use Tests\Fakes\FakeUserRepository;
use Tests\TestCase;

class EnsureInitialAdminTest extends TestCase
{
    private FakeUserRepository $userRepository;

    private PasswordHasher $passwordHasher;

    private EnsureInitialAdmin $ensureInitialAdmin;

    protected function setUp(): void
    {
        $this->userRepository = new FakeUserRepository();
        $this->passwordHasher = new FakeHasher();
        $this->ensureInitialAdmin = new EnsureInitialAdmin(
            $this->userRepository,
            $this->passwordHasher,
        );
    }

    public function testCreatesInitialAdminWhenEmailIsMissing(): void
    {
        $this->ensureInitialAdmin->execute(
            new EnsureInitialAdminRequest(
                email: 'admin@example.com',
                password: 'secret-password',
            )
        );

        $createdUser = $this->userRepository->findByEmail(
            new EmailAddress('admin@example.com')
        );

        $this->assertNotNull($createdUser);
        $this->assertSame(
            'hashed-secret-password',
            $createdUser->getPasswordHash(),
        );
    }

    public function testLeavesExistingAdminPasswordUnchanged(): void
    {
        $this->userRepository->create(
            new CreateUserDto(
                email: new EmailAddress('admin@example.com'),
                passwordHash: 'existing-password-hash',
            )
        );

        $this->ensureInitialAdmin->execute(
            new EnsureInitialAdminRequest(
                email: 'admin@example.com',
                password: 'new-secret-password',
            )
        );

        $existingUser = $this->userRepository->findByEmail(
            new EmailAddress('admin@example.com')
        );

        $this->assertNotNull($existingUser);
        $this->assertSame(
            'existing-password-hash',
            $existingUser->getPasswordHash(),
        );
    }
}