<?php

declare(strict_types=1);

require_once __DIR__ . '/../../vendor/autoload.php';

use App\Framework\Core\ValueObjects\Duration;
use App\Framework\Filesystem\ValueObjects\FilePath;
use App\Framework\Http\Url\Rfc3986Url;
use App\Framework\Logging\ChannelLogger;
use App\Framework\Logging\LogChannel;
use App\Framework\Logging\Logger;
use App\Framework\Logging\LogLevel;
use App\Framework\Logging\ValueObjects\LogContext;
use App\Framework\Process\Services\BackupVerificationService;
use App\Framework\Process\Services\LogAnalysisService;
use App\Framework\Process\Services\NetworkDiagnosticsService;
use App\Framework\Process\Services\SystemHealthCheckService;
use App\Framework\Process\Services\SystemInfoService;
use App\Framework\Process\Services\UrlHealthCheckService;
use App\Framework\Process\SystemProcess;

// Simple Logger für Tests
$logger = new class () implements Logger {
    public ChannelLogger $security {
        get => $this->createDummyChannel();
    }

    public ChannelLogger $cache {
        get => $this->createDummyChannel();
    }

    public ChannelLogger $database {
        get => $this->createDummyChannel();
    }

    public ChannelLogger $framework {
        get => $this->createDummyChannel();
    }

    public ChannelLogger $error {
        get => $this->createDummyChannel();
    }

    public function emergency(string $message, ?LogContext $context = null): void
    {
    }

    public function alert(string $message, ?LogContext $context = null): void
    {
    }

    public function critical(string $message, ?LogContext $context = null): void
    {
    }

    public function error(string $message, ?LogContext $context = null): void
    {
    }

    public function warning(string $message, ?LogContext $context = null): void
    {
    }

    public function notice(string $message, ?LogContext $context = null): void
    {
    }

    public function info(string $message, ?LogContext $context = null): void
    {
    }

    public function debug(string $message, ?LogContext $context = null): void
    {
    }

    public function log(LogLevel $level, string $message, ?LogContext $context = null): void
    {
    }

    public function logToChannel(LogChannel $channel, LogLevel $level, string $message, ?LogContext $context = null): void
    {
    }

    private function createDummyChannel(): ChannelLogger
    {
        return new class ($this) implements ChannelLogger {
            public function __construct(private Logger $logger)
            {
            }

            public function debug(string $message, ?LogContext $context = null): void
            {
            }

            public function info(string $message, ?LogContext $context = null): void
            {
            }

            public function notice(string $message, ?LogContext $context = null): void
            {
            }

            public function warning(string $message, ?LogContext $context = null): void
            {
            }

            public function error(string $message, ?LogContext $context = null): void
            {
            }

            public function critical(string $message, ?LogContext $context = null): void
            {
            }

            public function alert(string $message, ?LogContext $context = null): void
            {
            }

            public function emergency(string $message, ?LogContext $context = null): void
            {
            }
        };
    }
};

$process = new SystemProcess($logger);

echo "=== Process Services Test Suite ===\n\n";

// Test 1: SystemInfoService
echo "Test 1: SystemInfoService\n";
echo str_repeat('-', 50) . "\n";

try {
    $systemInfoService = new SystemInfoService($process);
    $systemInfo = $systemInfoService();

    echo "✅ SystemInfo retrieved\n";
    echo "   Uptime: " . $systemInfo->uptime->uptime->toHumanReadable() . "\n";
    echo "   Load: " . $systemInfo->load->oneMinute . ", " . $systemInfo->load->fiveMinutes . ", " . $systemInfo->load->fifteenMinutes . "\n";
    echo "   Memory: " . $systemInfo->memory->getUsagePercentage() . "% used\n";
    echo "   Disk: " . $systemInfo->disk->getUsagePercentage() . "% used\n";
} catch (Exception $e) {
    echo "❌ Failed: " . $e->getMessage() . "\n";
}
echo "\n";

// Test 2: SystemHealthCheckService
echo "Test 2: SystemHealthCheckService\n";
echo str_repeat('-', 50) . "\n";

try {
    $systemInfoService = new SystemInfoService($process);
    $healthCheckService = new SystemHealthCheckService($systemInfoService);
    $healthReport = $healthCheckService();

    echo "✅ Health Check completed\n";
    echo "   Overall Status: " . $healthReport->overallStatus->value . "\n";
    echo "   Total Checks: " . count($healthReport->checks) . "\n";

    $counts = $healthReport->getStatusCounts();
    echo "   Healthy: " . $counts['healthy'] . "\n";
    echo "   Degraded: " . $counts['degraded'] . "\n";
    echo "   Unhealthy: " . $counts['unhealthy'] . "\n";

    echo "\n   Check Details:\n";
    foreach ($healthReport->checks as $check) {
        $icon = match($check->status) {
            \App\Framework\Process\ValueObjects\Health\HealthStatus::HEALTHY => '✅',
            \App\Framework\Process\ValueObjects\Health\HealthStatus::DEGRADED => '⚠️',
            \App\Framework\Process\ValueObjects\Health\HealthStatus::UNHEALTHY => '❌',
        };
        echo "   {$icon} {$check->name}: {$check->message}\n";
    }
} catch (Exception $e) {
    echo "❌ Failed: " . $e->getMessage() . "\n";
}
echo "\n";

// Test 3: LogAnalysisService
echo "Test 3: LogAnalysisService\n";
echo str_repeat('-', 50) . "\n";

try {
    $logAnalysisService = new LogAnalysisService($process);

    // Test mit /var/log/syslog falls vorhanden
    $logFile = FilePath::create('/var/log/syslog');

    if ($logFile->exists()) {
        $result = $logAnalysisService->findErrors($logFile, 100);

        echo "✅ Log Analysis completed\n";
        echo "   Total Entries: " . $result->getTotalCount() . "\n";
        echo "   Errors: " . count($result->getErrors()) . "\n";
        echo "   Warnings: " . count($result->getWarnings()) . "\n";
        echo "   Info: " . count($result->getInfoMessages()) . "\n";

        if (! empty($result->getErrors())) {
            echo "\n   Top Errors:\n";
            $topErrors = $result->getTopErrors(3);
            foreach ($topErrors as $message => $count) {
                echo "   - [{$count}x] " . substr($message, 0, 60) . "...\n";
            }
        }
    } else {
        echo "⏭️  Skipped: /var/log/syslog not found\n";
    }
} catch (Exception $e) {
    echo "❌ Failed: " . $e->getMessage() . "\n";
}
echo "\n";

// Test 4: BackupVerificationService
echo "Test 4: BackupVerificationService\n";
echo str_repeat('-', 50) . "\n";

try {
    $backupService = new BackupVerificationService($process);

    // Test mit temporärem Verzeichnis
    $tmpDir = FilePath::create(sys_get_temp_dir() . '/test-backups');

    if (! $tmpDir->exists()) {
        mkdir($tmpDir->toString());
    }

    // Erstelle Test-Backup-Datei
    $testBackup = $tmpDir->toString() . '/backup-test.sql';
    file_put_contents($testBackup, "-- Test SQL Backup\nSELECT * FROM test;");

    $result = $backupService->verify($tmpDir, '*.sql');

    echo "✅ Backup Verification completed\n";
    echo "   Total Backups: " . $result->totalCount . "\n";
    echo "   Fresh Backups: " . $result->getFreshBackupCount() . "\n";
    echo "   Old Backups: " . $result->getOldBackupCount() . "\n";

    if ($latest = $result->getLatestBackup()) {
        echo "   Latest Backup: " . $latest->name . "\n";
        echo "   Created: " . $latest->createdAt->format('Y-m-d H:i:s') . "\n";
        echo "   Size: " . $latest->size->toHumanReadable() . "\n";
    }

    // Cleanup
    unlink($testBackup);
    rmdir($tmpDir->toString());
} catch (Exception $e) {
    echo "❌ Failed: " . $e->getMessage() . "\n";
}
echo "\n";

// Test 5: NetworkDiagnosticsService
echo "Test 5: NetworkDiagnosticsService\n";
echo str_repeat('-', 50) . "\n";

try {
    $networkService = new NetworkDiagnosticsService($process);

    // Ping Test
    echo "   Ping Test:\n";

    try {
        $pingResult = $networkService->ping('8.8.8.8', 2);

        if ($pingResult->isReachable) {
            echo "   ✅ 8.8.8.8 is reachable\n";
            echo "      Latency: " . $pingResult->latency->toHumanReadable() . "\n";
            echo "      Packet Loss: " . $pingResult->packetLoss . "%\n";
        } else {
            echo "   ❌ 8.8.8.8 is not reachable\n";
        }
    } catch (Exception $e) {
        echo "   ⏭️  Ping skipped: " . $e->getMessage() . "\n";
    }

    // DNS Lookup Test
    echo "\n   DNS Lookup Test:\n";

    try {
        $dnsResult = $networkService->dnsLookup('google.com');

        if ($dnsResult->resolved) {
            echo "   ✅ google.com resolved\n";
            echo "      Addresses: " . count($dnsResult->addresses) . "\n";
            echo "      IPv4 Count: " . count($dnsResult->getIpv4Addresses()) . "\n";
            echo "      IPv6 Count: " . count($dnsResult->getIpv6Addresses()) . "\n";

            if ($firstAddress = $dnsResult->getFirstAddress()) {
                echo "      First Address: " . $firstAddress->value . "\n";
            }
        } else {
            echo "   ❌ google.com failed to resolve\n";
        }
    } catch (Exception $e) {
        echo "   ⏭️  DNS lookup skipped: " . $e->getMessage() . "\n";
    }

    // Port Check Test
    echo "\n   Port Check Test:\n";

    try {
        $portResult = $networkService->checkPort('google.com', 443);

        if ($portResult->isOpen) {
            echo "   ✅ Port 443 is open on google.com\n";
            echo "      Service: " . $portResult->service . "\n";
        } else {
            echo "   ❌ Port 443 is closed on google.com\n";
        }
    } catch (Exception $e) {
        echo "   ⏭️  Port check skipped: " . $e->getMessage() . "\n";
    }
} catch (Exception $e) {
    echo "❌ Failed: " . $e->getMessage() . "\n";
}
echo "\n";

// Test 6: UrlHealthCheckService
echo "Test 6: UrlHealthCheckService\n";
echo str_repeat('-', 50) . "\n";

try {
    $urlHealthService = new UrlHealthCheckService($process);

    $url = Rfc3986Url::parse('https://www.google.com');
    $timeout = Duration::fromSeconds(5);

    $healthCheck = $urlHealthService->checkUrl($url, $timeout);

    if ($healthCheck->isAccessible) {
        echo "✅ URL is accessible\n";
        echo "   Status: " . $healthCheck->status->value . " - " . $healthCheck->status->getDescription() . "\n";
        echo "   Response Time: " . $healthCheck->responseTime->toHumanReadable() . "\n";
        echo "   Is Successful: " . ($healthCheck->isSuccessful() ? 'Yes' : 'No') . "\n";
        echo "   Is Redirect: " . ($healthCheck->isRedirect() ? 'Yes' : 'No') . "\n";
        echo "   Fast Response (<1s): " . ($healthCheck->isResponseTimeFast(Duration::fromSeconds(1)) ? 'Yes' : 'No') . "\n";

        if ($healthCheck->redirectUrl) {
            echo "   Redirect URL: " . $healthCheck->redirectUrl->toString() . "\n";
        }
    } else {
        echo "❌ URL is not accessible\n";
        echo "   Error: " . $healthCheck->error . "\n";
    }

    // Test mit Headers
    echo "\n   Testing with Headers:\n";
    $healthCheckWithHeaders = $urlHealthService->checkUrlWithHeaders($url, $timeout);

    if ($healthCheckWithHeaders->isAccessible && $healthCheckWithHeaders->headers) {
        echo "   ✅ Headers retrieved\n";

        $headers = $healthCheckWithHeaders->headers->all();
        $headerCount = count($headers);
        echo "   Total Headers: {$headerCount}\n";

        if ($contentType = $healthCheckWithHeaders->headers->getFirst('Content-Type')) {
            echo "   Content-Type: {$contentType}\n";
        }

        if ($server = $healthCheckWithHeaders->headers->getFirst('Server')) {
            echo "   Server: {$server}\n";
        }
    }
} catch (Exception $e) {
    echo "❌ Failed: " . $e->getMessage() . "\n";
}
echo "\n";

echo "=== Test Suite Completed ===\n";