<?php

declare(strict_types=1);

namespace App\Tests\Unit\Administration\Application\Command;

use App\Administration\Application\Command\RemoveRole\RemoveRoleCommand;
use App\Administration\Application\Command\RemoveRole\RemoveRoleHandler;
use App\Administration\Domain\Event\RoleRetire;
use App\Administration\Domain\Exception\DernierRoleNonRetirableException;
use App\Administration\Domain\Exception\RoleNonAttribueException;
use App\Administration\Domain\Model\User\Email;
use App\Administration\Domain\Model\User\Role;
use App\Administration\Domain\Model\User\User;
use App\Administration\Infrastructure\Persistence\InMemory\InMemoryUserRepository;
use App\Shared\Domain\Clock;
use App\Shared\Domain\Tenant\TenantId;
use DateTimeImmutable;
use PHPUnit\Framework\Attributes\Test;
use PHPUnit\Framework\TestCase;

final class RemoveRoleHandlerTest extends TestCase
{
    private const string TENANT_ID = '550e8400-e29b-41d4-a716-446655440002';

    private InMemoryUserRepository $userRepository;
    private RemoveRoleHandler $handler;

    protected function setUp(): void
    {
        $this->userRepository = new InMemoryUserRepository();

        $clock = new class implements Clock {
            public function now(): DateTimeImmutable
            {
                return new DateTimeImmutable('2026-02-08 10:00:00');
            }
        };

        $this->handler = new RemoveRoleHandler($this->userRepository, $clock);
    }

    #[Test]
    public function itRemovesRoleFromUser(): void
    {
        $user = $this->createUserWithRoles(Role::PROF, Role::PARENT);
        $this->userRepository->save($user);

        $result = ($this->handler)(new RemoveRoleCommand(
            userId: (string) $user->id,
            role: Role::PARENT->value,
        ));

        self::assertTrue($result->aLeRole(Role::PROF));
        self::assertFalse($result->aLeRole(Role::PARENT));
    }

    #[Test]
    public function itRecordsRoleRetireEvent(): void
    {
        $user = $this->createUserWithRoles(Role::PROF, Role::PARENT);
        $this->userRepository->save($user);
        $user->pullDomainEvents();

        ($this->handler)(new RemoveRoleCommand(
            userId: (string) $user->id,
            role: Role::PARENT->value,
        ));

        $savedUser = $this->userRepository->get($user->id);
        $events = $savedUser->pullDomainEvents();

        self::assertCount(1, $events);
        self::assertInstanceOf(RoleRetire::class, $events[0]);
    }

    #[Test]
    public function itThrowsWhenRoleNotAssigned(): void
    {
        $user = $this->createUser(Role::PROF);
        $this->userRepository->save($user);

        $this->expectException(RoleNonAttribueException::class);

        ($this->handler)(new RemoveRoleCommand(
            userId: (string) $user->id,
            role: Role::PARENT->value,
        ));
    }

    #[Test]
    public function itThrowsWhenRemovingLastRole(): void
    {
        $user = $this->createUser(Role::PROF);
        $this->userRepository->save($user);

        $this->expectException(DernierRoleNonRetirableException::class);

        ($this->handler)(new RemoveRoleCommand(
            userId: (string) $user->id,
            role: Role::PROF->value,
        ));
    }

    private function createUser(Role $role): User
    {
        return User::creer(
            email: new Email('user@example.com'),
            role: $role,
            tenantId: TenantId::fromString(self::TENANT_ID),
            schoolName: 'École Alpha',
            dateNaissance: null,
            createdAt: new DateTimeImmutable('2026-01-15 10:00:00'),
        );
    }

    private function createUserWithRoles(Role $role, Role ...$additionalRoles): User
    {
        $user = $this->createUser($role);
        foreach ($additionalRoles as $r) {
            $user->attribuerRole($r, new DateTimeImmutable());
        }

        return $user;
    }
}