<?php

declare(strict_types=1);

namespace App\Tests\Unit\Scolarite\Application\Command\SaveAppreciation;

use App\Administration\Domain\Model\SchoolClass\ClassId;
use App\Administration\Domain\Model\Subject\SubjectId;
use App\Administration\Domain\Model\User\UserId;
use App\Scolarite\Application\Command\SaveAppreciation\SaveAppreciationCommand;
use App\Scolarite\Application\Command\SaveAppreciation\SaveAppreciationHandler;
use App\Scolarite\Application\Port\EnseignantAffectationChecker;
use App\Scolarite\Application\Service\AutorisationSaisieNotesChecker;
use App\Scolarite\Domain\Exception\AppreciationTropLongueException;
use App\Scolarite\Domain\Exception\GradeNotFoundException;
use App\Scolarite\Domain\Exception\NonProprietaireDeLEvaluationException;
use App\Scolarite\Domain\Model\Evaluation\Coefficient;
use App\Scolarite\Domain\Model\Evaluation\Evaluation;
use App\Scolarite\Domain\Model\Evaluation\EvaluationId;
use App\Scolarite\Domain\Model\Evaluation\EvaluationStatus;
use App\Scolarite\Domain\Model\Evaluation\GradeScale;
use App\Scolarite\Domain\Model\Grade\Grade;
use App\Scolarite\Domain\Model\Grade\GradeStatus;
use App\Scolarite\Domain\Model\Grade\GradeValue;
use App\Scolarite\Infrastructure\Persistence\InMemory\InMemoryEvaluationRepository;
use App\Scolarite\Infrastructure\Persistence\InMemory\InMemoryGradeRepository;
use App\Scolarite\Infrastructure\Persistence\InMemory\InMemoryTeacherReplacementRepository;
use App\Shared\Domain\Clock;
use App\Shared\Domain\Tenant\TenantId;
use DateTimeImmutable;
use PHPUnit\Framework\Attributes\Test;
use PHPUnit\Framework\TestCase;

use function str_repeat;

final class SaveAppreciationHandlerTest extends TestCase
{
    private const string TENANT_ID = '550e8400-e29b-41d4-a716-446655440001';
    private const string EVALUATION_ID = '550e8400-e29b-41d4-a716-446655440040';
    private const string TEACHER_ID = '550e8400-e29b-41d4-a716-446655440010';
    private const string STUDENT_ID = '550e8400-e29b-41d4-a716-446655440050';

    private InMemoryEvaluationRepository $evaluationRepository;
    private InMemoryGradeRepository $gradeRepository;
    private InMemoryTeacherReplacementRepository $replacementRepository;
    private Clock $clock;
    private string $gradeId;

    /** @var array<string, bool> */
    private array $affectationResults = [];

    protected function setUp(): void
    {
        $this->evaluationRepository = new InMemoryEvaluationRepository();
        $this->gradeRepository = new InMemoryGradeRepository();
        $this->replacementRepository = new InMemoryTeacherReplacementRepository();
        $this->clock = new class implements Clock {
            public function now(): DateTimeImmutable
            {
                return new DateTimeImmutable('2026-03-31 10:00:00');
            }
        };

        $this->affectationResults = [];
        $this->affectationResults[self::TEACHER_ID] = true;
        $this->seedEvaluationAndGrade();
    }

    public function isTeacherAffecte(string $teacherId): bool
    {
        return $this->affectationResults[$teacherId] ?? false;
    }

    #[Test]
    public function itSavesAppreciation(): void
    {
        $handler = $this->createHandler();

        $grade = $handler(new SaveAppreciationCommand(
            tenantId: self::TENANT_ID,
            gradeId: $this->gradeId,
            teacherId: self::TEACHER_ID,
            appreciation: 'Très bon travail',
        ));

        self::assertSame('Très bon travail', $grade->appreciation);
        self::assertNotNull($grade->appreciationUpdatedAt);
    }

    #[Test]
    public function itClearsAppreciation(): void
    {
        $handler = $this->createHandler();

        $handler(new SaveAppreciationCommand(
            tenantId: self::TENANT_ID,
            gradeId: $this->gradeId,
            teacherId: self::TEACHER_ID,
            appreciation: 'Bon travail',
        ));

        $grade = $handler(new SaveAppreciationCommand(
            tenantId: self::TENANT_ID,
            gradeId: $this->gradeId,
            teacherId: self::TEACHER_ID,
            appreciation: null,
        ));

        self::assertNull($grade->appreciation);
    }

    #[Test]
    public function itThrowsWhenTeacherNotOwner(): void
    {
        $handler = $this->createHandler();

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

        $handler(new SaveAppreciationCommand(
            tenantId: self::TENANT_ID,
            gradeId: $this->gradeId,
            teacherId: '550e8400-e29b-41d4-a716-446655440099',
            appreciation: 'Test',
        ));
    }

    #[Test]
    public function itThrowsWhenGradeNotFound(): void
    {
        $handler = $this->createHandler();

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

        $handler(new SaveAppreciationCommand(
            tenantId: self::TENANT_ID,
            gradeId: '550e8400-e29b-41d4-a716-446655440099',
            teacherId: self::TEACHER_ID,
            appreciation: 'Test',
        ));
    }

    #[Test]
    public function itThrowsWhenAppreciationTooLong(): void
    {
        $handler = $this->createHandler();

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

        $handler(new SaveAppreciationCommand(
            tenantId: self::TENANT_ID,
            gradeId: $this->gradeId,
            teacherId: self::TEACHER_ID,
            appreciation: str_repeat('a', 501),
        ));
    }

    private function createHandler(): SaveAppreciationHandler
    {
        return new SaveAppreciationHandler(
            $this->evaluationRepository,
            $this->gradeRepository,
            $this->createAutorisationChecker(),
            $this->clock,
        );
    }

    private function createAutorisationChecker(): AutorisationSaisieNotesChecker
    {
        $test = $this;
        $affectationChecker = new class($test) implements EnseignantAffectationChecker {
            public function __construct(private readonly SaveAppreciationHandlerTest $test)
            {
            }

            public function estAffecte(
                UserId $teacherId,
                ClassId $classId,
                SubjectId $subjectId,
                TenantId $tenantId,
            ): bool {
                return $this->test->isTeacherAffecte((string) $teacherId);
            }
        };

        return new AutorisationSaisieNotesChecker(
            $affectationChecker,
            $this->replacementRepository,
        );
    }

    private function seedEvaluationAndGrade(): void
    {
        $tenantId = TenantId::fromString(self::TENANT_ID);

        $evaluation = Evaluation::reconstitute(
            id: EvaluationId::fromString(self::EVALUATION_ID),
            tenantId: $tenantId,
            classId: ClassId::fromString('550e8400-e29b-41d4-a716-446655440020'),
            subjectId: SubjectId::fromString('550e8400-e29b-41d4-a716-446655440030'),
            teacherId: UserId::fromString(self::TEACHER_ID),
            title: 'Contrôle',
            description: null,
            evaluationDate: new DateTimeImmutable('2026-04-15'),
            gradeScale: new GradeScale(20),
            coefficient: new Coefficient(1.0),
            status: EvaluationStatus::PUBLISHED,
            createdAt: new DateTimeImmutable('2026-03-12 10:00:00'),
            updatedAt: new DateTimeImmutable('2026-03-12 10:00:00'),
        );

        $this->evaluationRepository->save($evaluation);

        $grade = Grade::saisir(
            tenantId: $tenantId,
            evaluationId: EvaluationId::fromString(self::EVALUATION_ID),
            studentId: UserId::fromString(self::STUDENT_ID),
            value: new GradeValue(15.5),
            status: GradeStatus::GRADED,
            gradeScale: new GradeScale(20),
            createdBy: UserId::fromString(self::TEACHER_ID),
            now: new DateTimeImmutable('2026-03-27 10:00:00'),
        );

        $this->gradeRepository->save($grade);
        $this->gradeId = (string) $grade->id;
    }
}