<?php

declare(strict_types=1);

use App\Framework\Audit\AuditLogger;
use App\Framework\Audit\InMemoryAuditLogger;
use App\Framework\Audit\ValueObjects\AuditEntry;
use App\Framework\DateTime\Clock;
use App\Framework\ExceptionHandling\Audit\ExceptionAuditLogger;
use App\Framework\ExceptionHandling\Context\ExceptionContextData;
use App\Framework\ExceptionHandling\Context\ExceptionContextProvider;
use App\Framework\ExceptionHandling\ErrorKernel;
use App\Framework\ExceptionHandling\Factory\ExceptionFactory;
use App\Framework\ExceptionHandling\Reporter\Reporter;
use App\Framework\ExceptionHandling\Scope\ErrorScope;
use App\Framework\ExceptionHandling\Renderers\ErrorRendererFactory;

describe('Exception Audit Integration', function () {
    beforeEach(function () {
        $this->auditLogger = new InMemoryAuditLogger();
        $this->clock = new class implements Clock {
            private DateTimeImmutable $now;

            public function __construct()
            {
                $this->now = new DateTimeImmutable('2024-01-01 12:00:00');
            }

            public function now(): DateTimeImmutable
            {
                return $this->now;
            }

            public function fromTimestamp(\App\Framework\Core\ValueObjects\Timestamp $timestamp): DateTimeImmutable
            {
                return DateTimeImmutable::createFromFormat('U', (string) $timestamp->value);
            }

            public function fromString(string $dateTime, ?string $format = null): DateTimeImmutable
            {
                return DateTimeImmutable::createFromFormat($format ?? 'Y-m-d H:i:s', $dateTime);
            }

            public function today(): DateTimeImmutable
            {
                return $this->now;
            }

            public function yesterday(): DateTimeImmutable
            {
                return $this->now->modify('-1 day');
            }

            public function tomorrow(): DateTimeImmutable
            {
                return $this->now->modify('+1 day');
            }

            public function time(): \App\Framework\Core\ValueObjects\Timestamp
            {
                return new \App\Framework\Core\ValueObjects\Timestamp($this->now->getTimestamp());
            }
        };
        $this->contextProvider = new ExceptionContextProvider();
        $this->exceptionAuditLogger = new ExceptionAuditLogger(
            $this->auditLogger,
            $this->clock,
            $this->contextProvider
        );
        $this->errorScope = new ErrorScope();
        $this->factory = new ExceptionFactory($this->contextProvider, $this->errorScope);
    });

    it('automatically logs auditable exceptions through ErrorKernel', function () {
        $reporter = new class implements Reporter {
            public function report(\Throwable $exception): void
            {
                // Mock reporter
            }
        };

        $rendererFactory = new ErrorRendererFactory(false);
        $errorKernel = new ErrorKernel(
            rendererFactory: $rendererFactory,
            reporter: $reporter,
            contextProvider: $this->contextProvider,
            auditLogger: $this->exceptionAuditLogger
        );

        // Create auditable exception
        $exception = $this->factory->createAuditable(
            RuntimeException::class,
            'User creation failed',
            'user.create',
            'UserService',
            ['user_id' => '123']
        );

        // Handle exception through ErrorKernel
        $errorKernel->handle($exception);

        // Check that audit entry was created
        $entries = getAllAuditEntries($this->auditLogger);
        expect($entries)->toHaveCount(1);

        $entry = $entries[0];
        expect($entry->success)->toBeFalse();
        expect($entry->errorMessage)->toBe('User creation failed');
        expect($entry->entityType)->toBe('userservice');
    });

    it('does not log non-auditable exceptions through ErrorKernel', function () {
        $reporter = new class implements Reporter {
            public function report(\Throwable $exception): void
            {
                // Mock reporter
            }
        };

        $rendererFactory = new ErrorRendererFactory(false);
        $errorKernel = new ErrorKernel(
            rendererFactory: $rendererFactory,
            reporter: $reporter,
            contextProvider: $this->contextProvider,
            auditLogger: $this->exceptionAuditLogger
        );

        // Create non-auditable exception
        $exception = $this->factory->createNonAuditable(
            RuntimeException::class,
            'Validation error'
        );

        // Handle exception through ErrorKernel
        $errorKernel->handle($exception);

        // Check that no audit entry was created
        $entries = getAllAuditEntries($this->auditLogger);
        expect($entries)->toHaveCount(0);
    });

    it('logs exception with audit level through factory', function () {
        $reporter = new class implements Reporter {
            public function report(\Throwable $exception): void
            {
                // Mock reporter
            }
        };

        $rendererFactory = new ErrorRendererFactory(false);
        $errorKernel = new ErrorKernel(
            rendererFactory: $rendererFactory,
            reporter: $reporter,
            contextProvider: $this->contextProvider,
            auditLogger: $this->exceptionAuditLogger
        );

        // Create exception with audit level
        $exception = $this->factory->withAuditLevel(
            RuntimeException::class,
            'Warning: Resource limit reached',
            'WARNING'
        );

        // Handle exception
        $errorKernel->handle($exception);

        // Check that audit entry was created with level
        $entries = getAllAuditEntries($this->auditLogger);
        expect($entries)->toHaveCount(1);

        $entry = $entries[0];
        $context = $this->contextProvider->get($exception);
        expect($context)->not->toBeNull();
        expect($context->auditLevel)->toBe('WARNING');
    });

    it('preserves all context information in audit entry', function () {
        $reporter = new class implements Reporter {
            public function report(\Throwable $exception): void
            {
                // Mock reporter
            }
        };

        $rendererFactory = new ErrorRendererFactory(false);
        $errorKernel = new ErrorKernel(
            rendererFactory: $rendererFactory,
            reporter: $reporter,
            contextProvider: $this->contextProvider,
            auditLogger: $this->exceptionAuditLogger
        );

        // Create exception with full context (using Value Objects)
        $context = ExceptionContextData::forOperation('payment.process', 'PaymentGateway')
            ->addData(['order_id' => 'order-123', 'amount' => 5000])
            ->withUserId('user-456')
            ->withRequestId('req-789') // String for backward compatibility (RequestId needs secret)
            ->withSessionId(\App\Framework\Http\Session\SessionId::fromString('session-abc'))
            ->withClientIp(\App\Framework\Http\IpAddress::from('192.168.1.100'))
            ->withUserAgent(\App\Framework\UserAgent\UserAgent::fromString('Mozilla/5.0'))
            ->withTags('payment', 'external_api', 'critical')
            ->withAuditable(true);

        $exception = $this->factory->create(
            RuntimeException::class,
            'Payment processing failed',
            $context
        );

        // Handle exception
        $errorKernel->handle($exception);

        // Check audit entry
        $entries = getAllAuditEntries($this->auditLogger);
        expect($entries)->toHaveCount(1);

        $entry = $entries[0];
        expect($entry->userId)->toBe('user-456');
        expect($entry->entityId)->toBe('order-123');
        expect($entry->ipAddress)->not->toBeNull();
        expect((string) $entry->ipAddress)->toBe('192.168.1.100');
        expect($entry->userAgent)->not->toBeNull();
        expect($entry->userAgent->value)->toBe('Mozilla/5.0');
        expect($entry->metadata)->toHaveKey('request_id');
        expect($entry->metadata['request_id'])->toBe('req-789');
        expect($entry->metadata)->toHaveKey('session_id');
        expect($entry->metadata['session_id'])->toBe('session-abc');
        expect($entry->metadata)->toHaveKey('tags');
        expect($entry->metadata['tags'])->toContain('payment', 'external_api', 'critical');
    });
});

/**
 * Helper to get all audit entries from InMemoryAuditLogger
 *
 * @return array<AuditEntry>
 */
function getAllAuditEntries(AuditLogger $logger): array
{
    if ($logger instanceof InMemoryAuditLogger) {
        // Use reflection to access private entries property
        $reflection = new ReflectionClass($logger);
        $property = $reflection->getProperty('entries');
        $property->setAccessible(true);
        return array_values($property->getValue($logger));
    }

    // For other implementations, query all entries
    $query = new \App\Framework\Audit\ValueObjects\AuditQuery();
    return $logger->query($query);
}