<?php

declare(strict_types=1);

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

use App\Framework\Core\AppBootstrapper;
use App\Framework\Performance\EnhancedPerformanceCollector;
use App\Framework\DateTime\SystemClock;
use App\Framework\DateTime\SystemHighResolutionClock;
use App\Framework\Performance\MemoryMonitor;
use App\Framework\Notification\Notification;
use App\Framework\Notification\Storage\NotificationRepository;
use App\Framework\Notification\ValueObjects\NotificationId;
use App\Framework\Notification\ValueObjects\NotificationPriority;
use App\Framework\Notification\ValueObjects\NotificationStatus;
use App\Framework\Notification\ValueObjects\NotificationChannel;
use App\Framework\Core\ValueObjects\Timestamp;

echo "🔔 Notifications Seeder\n";
echo "=====================\n\n";

// Bootstrap application
$basePath = dirname(__DIR__);
$clock = new SystemClock();
$highResClock = new SystemHighResolutionClock();
$memoryMonitor = new MemoryMonitor();
$collector = new EnhancedPerformanceCollector($clock, $highResClock, $memoryMonitor, enabled: true);
$bootstrapper = new AppBootstrapper($basePath, $collector, $memoryMonitor);
$container = $bootstrapper->bootstrapWorker();

/** @var NotificationRepository $repository */
$repository = $container->get(NotificationRepository::class);

// Sample notification types
final readonly class NotificationType implements App\Framework\Notification\ValueObjects\NotificationTypeInterface
{
    public function __construct(private string $value) {}

    public function toString(): string
    {
        return $this->value;
    }

    public function getDisplayName(): string
    {
        return match ($this->value) {
            'ml_performance_degradation' => 'ML Performance Degradation',
            'ml_model_deployed' => 'ML Model Deployed',
            'ml_training_complete' => 'ML Training Complete',
            'system_alert' => 'System Alert',
            'security_alert' => 'Security Alert',
            'info' => 'Information',
            default => ucwords(str_replace('_', ' ', $this->value)),
        };
    }

    public function isCritical(): bool
    {
        return in_array($this->value, [
            'ml_performance_degradation',
            'security_alert',
            'system_alert'
        ], true);
    }

    public function equals($other): bool
    {
        return $other instanceof self && $this->value === $other->value;
    }
}

// Sample notifications to create
$notifications = [
    // ML Performance Alerts
    [
        'type' => 'ml_performance_degradation',
        'title' => 'ML Model Performance Degradation Detected',
        'body' => 'The spam-classifier model (v2.0.0) is experiencing performance degradation. Current accuracy: 78% (below threshold of 85%). Immediate attention recommended.',
        'priority' => NotificationPriority::URGENT,
        'action_url' => '/admin/ml/models/spam-classifier',
        'action_label' => 'View Model Details',
        'created_offset' => -7200, // 2 hours ago
    ],
    [
        'type' => 'ml_model_deployed',
        'title' => 'New ML Model Deployed Successfully',
        'body' => 'Fraud detector model v1.0.0 has been successfully deployed to production. Initial accuracy: 94%. Monitoring active.',
        'priority' => NotificationPriority::NORMAL,
        'action_url' => '/admin/ml/models/fraud-detector',
        'action_label' => 'View Deployment',
        'created_offset' => -3600, // 1 hour ago
    ],
    [
        'type' => 'ml_training_complete',
        'title' => 'Model Training Completed',
        'body' => 'Sentiment analyzer training completed successfully. New version 2.1.0 ready for deployment. Validation accuracy: 91%.',
        'priority' => NotificationPriority::HIGH,
        'action_url' => '/admin/ml/models/sentiment-analyzer',
        'action_label' => 'Review & Deploy',
        'created_offset' => -1800, // 30 minutes ago
    ],

    // System Alerts
    [
        'type' => 'system_alert',
        'title' => 'High Memory Usage Detected',
        'body' => 'System memory usage exceeded 85% threshold. Current usage: 87%. Consider scaling resources or optimizing memory-intensive processes.',
        'priority' => NotificationPriority::HIGH,
        'action_url' => '/admin/performance',
        'action_label' => 'View Metrics',
        'created_offset' => -900, // 15 minutes ago
    ],
    [
        'type' => 'system_alert',
        'title' => 'Queue Backlog Warning',
        'body' => 'Job queue backlog detected. 1,234 pending jobs in queue. Processing rate: 45 jobs/minute. Estimated clearance time: 27 minutes.',
        'priority' => NotificationPriority::NORMAL,
        'action_url' => '/admin/queue',
        'action_label' => 'View Queue',
        'created_offset' => -600, // 10 minutes ago
    ],

    // Security Alerts
    [
        'type' => 'security_alert',
        'title' => 'Suspicious Login Attempts Detected',
        'body' => 'Multiple failed login attempts detected from IP 203.0.113.42. Rate limiting applied. Review access logs for potential security threat.',
        'priority' => NotificationPriority::URGENT,
        'action_url' => '/admin/security/logs',
        'action_label' => 'View Security Logs',
        'created_offset' => -300, // 5 minutes ago
    ],
    [
        'type' => 'security_alert',
        'title' => 'WAF Blocked Malicious Request',
        'body' => 'Web Application Firewall blocked SQL injection attempt. Attack pattern detected: UNION SELECT. Source IP: 198.51.100.10.',
        'priority' => NotificationPriority::HIGH,
        'action_url' => '/admin/security/waf',
        'action_label' => 'View WAF Logs',
        'created_offset' => -120, // 2 minutes ago
    ],

    // Info Notifications
    [
        'type' => 'info',
        'title' => 'System Backup Completed',
        'body' => 'Daily system backup completed successfully. Backup size: 2.3 GB. Next scheduled backup: Tomorrow at 2:00 AM.',
        'priority' => NotificationPriority::LOW,
        'action_url' => '/admin/backups',
        'action_label' => 'View Backups',
        'created_offset' => -86400, // 1 day ago
    ],
    [
        'type' => 'info',
        'title' => 'Database Optimization Recommended',
        'body' => 'Database performance analysis suggests optimizing 3 tables. Estimated performance improvement: 15%. Schedule maintenance window for optimization.',
        'priority' => NotificationPriority::NORMAL,
        'action_url' => '/admin/database/optimization',
        'action_label' => 'View Recommendations',
        'created_offset' => -172800, // 2 days ago
    ],
    [
        'type' => 'info',
        'title' => 'Weekly Performance Report Available',
        'body' => 'Weekly system performance report is now available. Key metrics: 99.8% uptime, 145ms avg response time, 1.2M requests processed.',
        'priority' => NotificationPriority::LOW,
        'action_url' => '/admin/reports/weekly',
        'action_label' => 'View Report',
        'created_offset' => -259200, // 3 days ago
    ],
];

echo "Creating " . count($notifications) . " sample notifications...\n\n";

$createdCount = 0;
$now = time();

foreach ($notifications as $index => $notificationData) {
    $notificationNum = $index + 1;
    echo "[$notificationNum/" . count($notifications) . "] Creating: {$notificationData['title']}\n";

    try {
        // Create notification timestamp (offset from now)
        $createdAt = Timestamp::fromTimestamp($now + $notificationData['created_offset']);

        // For recent notifications (< 1 hour ago), leave unread
        // For older notifications, mark some as read
        $isRecent = abs($notificationData['created_offset']) < 3600;
        $shouldBeRead = !$isRecent && (($index % 3) === 0); // Mark every 3rd older notification as read

        $notification = new Notification(
            id: NotificationId::generate(),
            recipientId: 'admin',
            type: new NotificationType($notificationData['type']),
            title: $notificationData['title'],
            body: $notificationData['body'],
            createdAt: $createdAt,
            data: [],
            channels: [NotificationChannel::DATABASE],
            priority: $notificationData['priority'],
            status: $shouldBeRead ? NotificationStatus::READ : NotificationStatus::SENT,
            sentAt: $createdAt,
            readAt: $shouldBeRead ? Timestamp::fromTimestamp($now + $notificationData['created_offset'] + 300) : null,
            actionUrl: $notificationData['action_url'],
            actionLabel: $notificationData['action_label']
        );

        $repository->save($notification);

        $createdCount++;

        $statusIcon = $shouldBeRead ? '✓' : '📬';
        $priorityLabel = $notificationData['priority']->value;

        echo "  $statusIcon Successfully created ($priorityLabel priority, " . ($shouldBeRead ? 'read' : 'unread') . ")\n";
        echo "     - Created: " . $createdAt->format('Y-m-d H:i:s') . "\n";

        if ($notificationData['action_url']) {
            echo "     - Action: {$notificationData['action_label']} → {$notificationData['action_url']}\n";
        }

        echo "\n";

    } catch (\Exception $e) {
        echo "  ❌ Error: {$e->getMessage()}\n\n";
    }
}

echo "=====================\n";
echo "✅ Seeding complete!\n\n";

echo "Summary:\n";
echo "- Total notifications created: $createdCount\n";

// Get current stats
$unreadCount = $repository->countUnreadByUser('admin');
echo "- Unread notifications: $unreadCount\n";

$allNotifications = $repository->findByUser('admin', limit: 100);
echo "- Total notifications for admin: " . count($allNotifications) . "\n\n";

echo "Next steps:\n";
echo "1. Visit https://localhost/admin/notifications to view the notifications\n";
echo "2. Test mark as read functionality\n";
echo "3. Test mark all as read functionality\n";
echo "4. Verify unread badge updates in real-time\n";