<?php

namespace App\Console;

use Illuminate\Console\Scheduling\Schedule;
use Illuminate\Foundation\Console\Kernel as ConsoleKernel;

/**
 * app/Console/Kernel.php - Scheduler-Konfiguration
 * 
 * Diese Datei definiert alle geplanten Artisan-Commands.
 * 
 * In Production muss diese Cron-Regel eingebunden sein:
 *   * * * * * cd /path/to/app && php artisan schedule:run >> /dev/null 2>&1
 * 
 * Timezone: Europe/Berlin (Dresden Zeitzone)
 */
class KernelSchedulerExample extends ConsoleKernel
{
    /**
     * Define the application's command schedule.
     */
    protected function schedule(Schedule $schedule)
    {
        // =====================================================================
        // EVENT IMPORTS
        // =====================================================================

        // Täglicher Event-Import um 03:00 Uhr nachts
        $schedule->command('events:import')
            ->dailyAt('03:00')
            ->name('events.daily_import')
            ->onSuccess(function () {
                $this->logSuccess('Täglicher Event-Import erfolgreich');
            })
            ->onFailure(function () {
                $this->logFailure('Täglicher Event-Import fehlgeschlagen');
            });

        // Stündlicher Import für häufig aktualisierte Quellen
        $schedule->command('events:import --source="Stadt Dresden"')
            ->hourly()
            ->name('events.dresden_hourly')
            ->withoutOverlapping(30); // Verhindere Überschneidungen

        // Alle 6 Stunden andere Quellen
        $schedule->command('events:import --source="Kulturzentrum Hellerau"')
            ->everyFourHours()
            ->name('events.hellerau_import');

        // =====================================================================
        // EVENT MAINTENANCE
        // =====================================================================

        // Markiere abgelaufene Termine als "completed"
        $schedule->call(function () {
            \App\Models\EventOccurrence::query()
                ->where('status', 'scheduled')
                ->where('end_datetime', '<', now())
                ->update(['status' => 'completed']);

            \Illuminate\Support\Facades\Log::info('Completed events marked as finished');
        })
            ->dailyAt('04:00')
            ->name('events.mark_completed');

        // Archiviere verwaiste Events (ohne Termine, älter als 1 Monat)
        $schedule->call(function () {
            $archived = \App\Models\Event::query()
                ->doesntHave('occurrences')
                ->where('status', 'published')
                ->where('created_at', '<', now()->subMonths(1))
                ->update(['status' => 'archived']);

            \Illuminate\Support\Facades\Log::info("Archived {$archived} orphaned events");
        })
            ->weekly()
            ->sundays()
            ->at('05:00')
            ->name('events.cleanup_orphaned');

        // Lösche softly gelöschte Events nach 90 Tagen
        $schedule->call(function () {
            \App\Models\Event::onlyTrashed()
                ->where('deleted_at', '<', now()->subDays(90))
                ->forceDelete();

            \Illuminate\Support\Facades\Log::info('Permanently deleted old soft-deleted events');
        })
            ->weekly()
            ->name('events.purge_deleted');

        // =====================================================================
        // PERFORMANCE & OPTIMIZATION
        // =====================================================================

        // Bereinige abgelaufene Cache-Einträge
        $schedule->command('cache:prune-stale-tags')
            ->hourly()
            ->name('cache.prune');

        // Bereinige alte Log-Dateien
        $schedule->command('log:prune')
            ->daily()
            ->at('02:00')
            ->name('logs.prune');

        // =====================================================================
        // MONITORING & ALERTS (optional)
        // =====================================================================

        // Benachrichtige bei zu vielen fehlgeschlagenen Jobs
        $schedule->call(function () {
            $failedCount = \Illuminate\Support\Facades\DB::table('failed_jobs')->count();

            if ($failedCount > 10) {
                \Illuminate\Support\Facades\Log::warning("Alert: {$failedCount} failed jobs");
                // Hier könnte Slack/Email-Notification kommen
            }
        })
            ->everyFiveMinutes()
            ->name('monitor.failed_jobs');

        // =====================================================================
        // QA/TESTING (nur Development)
        // =====================================================================

        if (app()->environment('local')) {
            // Backup der Datenbank täglich um 22:00
            $schedule->command('backup:run')
                ->dailyAt('22:00')
                ->name('backup.daily');
        }
    }

    /**
     * Register the commands for the application.
     */
    protected function commands()
    {
        $this->load(__DIR__.'/Commands');
        require base_path('routes/console.php');
    }

    /**
     * Get the timezone that should be used by default for scheduled events.
     */
    protected function scheduleTimezone(): string
    {
        return 'Europe/Berlin';
    }

    // Helper-Methoden für Logging
    private function logSuccess($message)
    {
        \Illuminate\Support\Facades\Log::info("✅ {$message}");
    }

    private function logFailure($message)
    {
        \Illuminate\Support\Facades\Log::error("❌ {$message}");
    }
}