{% extends "base.html" %}

{% block title %}Ausbilder-Bereich - Mercedes-Benz TBA Marienfelde{% endblock %}

{% block head %}
{{ super() }}
<!-- CSRF Token für AJAX-Anfragen -->
<meta name="csrf-token" content="{{ csrf_token() }}">

<!-- Verstecktes CSRF-Input als Fallback -->
<form id="csrf-form" style="display: none;">
    <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
</form>

<!-- Admin JavaScript durch Jinja-Templates ersetzt - nur noch minimales JavaScript für CSRF -->

<!-- CSRF-Validierung - nur kritische Sicherheitsfunktion -->
<script>
// Minimale CSRF-Validierung beim Laden
document.addEventListener('DOMContentLoaded', function() {
    const metaToken = document.querySelector('meta[name="csrf-token"]')?.getAttribute('content');
    const hiddenToken = document.querySelector('input[name="csrf_token"]')?.value;
    
    if (!metaToken && !hiddenToken) {
        console.error('❌ KRITISCH: Kein CSRF Token gefunden!');
        // Warnung für Benutzer ohne JavaScript-Abhängigkeit
        const warning = document.createElement('div');
        warning.className = 'fixed top-4 right-4 bg-red-500 text-white px-4 py-2 rounded-lg z-50';
        warning.textContent = 'Sicherheitswarnung: CSRF-Schutz nicht aktiv';
        document.body.appendChild(warning);
        setTimeout(() => warning.remove(), 5000);
    }
});
</script>
{% endblock %}

{% block content %}
<!-- Modernes Admin Panel mit serverseitigen Jinja-Templates -->
<div class="min-h-screen">
    
    <!-- Hero Header -->
    <div class="relative overflow-hidden bg-gradient-to-r from-slate-900 via-blue-900 to-indigo-900 text-white rounded-3xl mx-4 mt-4">
        <div class="absolute inset-0 bg-black/20"></div>
        <div class="absolute inset-0 bg-gradient-to-r from-transparent via-white/5 to-transparent"></div>
        
        <div class="relative max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-16">
            <div class="text-center">
                <!-- Mercedes-Benz Logo -->
                <div class="inline-flex items-center justify-center w-20 h-20 bg-white/10 backdrop-blur-sm rounded-full mb-6 border border-white/20">
                    <svg class="w-10 h-10 text-white" viewBox="0 0 80 80" fill="currentColor">
                        <path d="M58.6,4.5C53,1.6,46.7,0,40,0c-6.7,0-13,1.6-18.6,4.5v0C8.7,11.2,0,24.6,0,40c0,15.4,8.7,28.8,21.5,35.5
                        C27,78.3,33.3,80,40,80c6.7,0,12.9-1.7,18.5-4.6C71.3,68.8,80,55.4,80,40C80,24.6,71.3,11.2,58.6,4.5z M4,40
                        c0-13.1,7-24.5,17.5-30.9v0C26.6,6,32.5,4.2,39,4l-4.5,32.7L21.5,46.8v0L8.3,57.1C5.6,52,4,46.2,4,40z M58.6,70.8
                        C53.1,74.1,46.8,76,40,76c-6.8,0-13.2-1.9-18.6-5.2c-4.9-2.9-8.9-6.9-11.9-11.7l11.9-4.9v0L40,46.6l18.6,7.5v0l12,4.9
                        C67.6,63.9,63.4,67.9,58.6,70.8z M58.6,46.8L58.6,46.8l-12.9-10L41.1,4c6.3,0.2,12.3,2,17.4,5.1v0C69,15.4,76,26.9,76,40
                        c0,6.2-1.5,12-4.3,17.1L58.6,46.8z"/>
                    </svg>
                </div>
                
                <h1 class="text-5xl md:text-6xl font-bold mb-4 tracking-tight">
                    <span class="bg-gradient-to-r from-white to-blue-200 bg-clip-text text-transparent">
                        TBA Ausbilder-Bereich
                    </span>
                </h1>
                <p class="text-xl md:text-2xl text-blue-100 max-w-3xl mx-auto leading-relaxed">
                    Verwaltung des 3D-Drucker-Systems für die Technische Berufsausbildung Werk Marienfelde
                </p>
                
                <!-- Navigation Links ohne JavaScript -->
                <div class="flex flex-wrap justify-center gap-4 mt-8">
                    <a href="{{ url_for('admin.users_overview') }}" class="inline-flex items-center px-6 py-3 bg-white/10 backdrop-blur-sm border border-white/20 rounded-xl text-white hover:bg-white/20 transition-all duration-300 hover:scale-105">
                        <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4.354a4 4 0 110 5.292M15 21H3v-1a6 6 0 0112 0v1zm0 0h6v-1a6 6 0 00-9-5.197M13 7a4 4 0 11-8 0 4 4 0 018 0z"/>
                        </svg>
                        Benutzer verwalten
                    </a>
                    <a href="{{ url_for('admin.printers_overview') }}" class="inline-flex items-center px-6 py-3 bg-white/10 backdrop-blur-sm border border-white/20 rounded-xl text-white hover:bg-white/20 transition-all duration-300 hover:scale-105">
                        <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M17 17h2a2 2 0 002-2v-4a2 2 0 00-2-2H5a2 2 0 00-2 2v4a2 2 0 002 2m2 4h6a2 2 0 002-2v-4a2 2 0 00-2-2H9a2 2 0 00-2 2v4a2 2 0 002 2zm8-12V5a2 2 0 00-2-2H9a2 2 0 00-2 2v4h10z"/>
                        </svg>
                        Drucker verwalten
                    </a>
                    <a href="{{ url_for('admin.system_health') }}" class="inline-flex items-center px-6 py-3 bg-white/10 backdrop-blur-sm border border-white/20 rounded-xl text-white hover:bg-white/20 transition-all duration-300 hover:scale-105">
                        <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z"/>
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"/>
                        </svg>
                        System verwalten
                    </a>
                </div>
            </div>
        </div>
    </div>

    <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 -mt-8 relative z-10">
        
        <!-- Live-Statistiken mit Jinja-Templates -->
        <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-8 mb-16">
            <!-- Benutzer Stats -->
            <div class="bg-white/80 dark:bg-slate-800/80 backdrop-blur-xl rounded-3xl border border-white/20 dark:border-slate-700/50 p-8 shadow-xl">
                <div class="flex items-center justify-between mb-4">
                    <div class="p-3 bg-gradient-to-br from-blue-500 to-blue-600 rounded-xl shadow-lg">
                        <svg class="w-6 h-6 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4.354a4 4 0 110 5.292M15 21H3v-1a6 6 0 0112 0v1zm0 0h6v-1a6 6 0 00-9-5.197M13 7a4 4 0 11-8 0 4 4 0 018 0z"/>
                        </svg>
                    </div>
                    <div class="text-right">
                        <div class="text-2xl font-bold text-slate-900 dark:text-white">{{ stats['total_users'] or 0 }}</div>
                        <div class="text-sm text-slate-500 dark:text-slate-400">Registrierte Benutzer</div>
                    </div>
                </div>
            </div>

            <!-- Drucker Stats -->
            <div class="bg-white/80 dark:bg-slate-800/80 backdrop-blur-xl rounded-3xl border border-white/20 dark:border-slate-700/50 p-8 shadow-xl">
                <div class="flex items-center justify-between mb-4">
                    <div class="p-3 bg-gradient-to-br from-green-500 to-green-600 rounded-xl shadow-lg">
                        <svg class="w-6 h-6 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M17 17h2a2 2 0 002-2v-4a2 2 0 00-2-2H5a2 2 0 00-2 2v4a2 2 0 002 2m2 4h6a2 2 0 002-2v-4a2 2 0 00-2-2H9a2 2 0 00-2 2v4a2 2 0 002 2zm8-12V5a2 2 0 00-2-2H9a2 2 0 00-2 2v4h10z"/>
                        </svg>
                    </div>
                    <div class="text-right">
                        <div class="text-2xl font-bold text-slate-900 dark:text-white">{{ stats['total_printers'] or 0 }}</div>
                        <div class="text-sm text-green-500">{{ stats['online_printers'] or 0 }} online</div>
                    </div>
                </div>
            </div>

            <!-- Jobs Stats -->
            <div class="bg-white/80 dark:bg-slate-800/80 backdrop-blur-xl rounded-3xl border border-white/20 dark:border-slate-700/50 p-8 shadow-xl">
                <div class="flex items-center justify-between mb-4">
                    <div class="p-3 bg-gradient-to-br from-purple-500 to-purple-600 rounded-xl shadow-lg">
                        <svg class="w-6 h-6 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a2 2 0 00-2-2M5 11V9a2 2 0 012-2m0 0V5a2 2 0 012-2h6a2 2 0 012 2v2M7 7h10"/>
                        </svg>
                    </div>
                    <div class="text-right">
                        <div class="text-2xl font-bold text-slate-900 dark:text-white">{{ stats['active_jobs'] or 0 }}</div>
                        <div class="text-sm text-slate-500 dark:text-slate-400">{{ stats['total_jobs'] or 0 }} gesamt</div>
                    </div>
                </div>
            </div>

            <!-- Erfolgsrate Stats -->
            <div class="bg-white/80 dark:bg-slate-800/80 backdrop-blur-xl rounded-3xl border border-white/20 dark:border-slate-700/50 p-8 shadow-xl">
                <div class="flex items-center justify-between mb-4">
                    <div class="p-3 bg-gradient-to-br from-orange-500 to-orange-600 rounded-xl shadow-lg">
                        <svg class="w-6 h-6 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z"/>
                        </svg>
                    </div>
                    <div class="text-right">
                        <div class="text-2xl font-bold text-slate-900 dark:text-white">{{ stats['online_printers'] or 0 }}</div>
                        <div class="text-sm text-green-500">Stabil</div>
                    </div>
                </div>
            </div>
        </div>

        <!-- Navigation Tabs -->
        <div class="bg-white/80 dark:bg-slate-800/80 backdrop-blur-xl rounded-3xl border border-white/20 dark:border-slate-700/50 p-4 mb-12 shadow-xl">
            <nav class="flex flex-wrap gap-2" aria-label="Tabs">
                <a href="{{ url_for('admin.users_overview') }}" 
                   class="flex items-center px-6 py-3 text-sm font-medium rounded-xl transition-all duration-300 {{ 'bg-gradient-to-r from-blue-500 to-blue-600 text-white shadow-lg' if active_tab == 'users' else 'text-slate-600 dark:text-slate-300 hover:bg-slate-100 dark:hover:bg-slate-700/50 hover:text-slate-900 dark:hover:text-white' }}">
                    <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4.354a4 4 0 110 5.292M15 21H3v-1a6 6 0 0112 0v1zm0 0h6v-1a6 6 0 00-9-5.197M13 7a4 4 0 11-8 0 4 4 0 018 0z"/>
                    </svg>
                    Benutzer
                </a>
                
                <a href="{{ url_for('admin.printers_overview') }}" 
                   class="flex items-center px-6 py-3 text-sm font-medium rounded-xl transition-all duration-300 {{ 'bg-gradient-to-r from-blue-500 to-blue-600 text-white shadow-lg' if active_tab == 'printers' else 'text-slate-600 dark:text-slate-300 hover:bg-slate-100 dark:hover:bg-slate-700/50 hover:text-slate-900 dark:hover:text-white' }}">
                    <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M17 17h2a2 2 0 002-2v-4a2 2 0 00-2-2H5a2 2 0 00-2 2v4a2 2 0 002 2m2 4h6a2 2 0 002-2v-4a2 2 0 00-2-2H9a2 2 0 00-2 2v4a2 2 0 002 2zm8-12V5a2 2 0 00-2-2H9a2 2 0 00-2 2v4h10z"/>
                    </svg>
                    Drucker
                </a>
                
                <a href="{{ url_for('jobs_page') }}" 
                   class="flex items-center px-6 py-3 text-sm font-medium rounded-xl transition-all duration-300 {{ 'bg-gradient-to-r from-blue-500 to-blue-600 text-white shadow-lg' if active_tab == 'jobs' else 'text-slate-600 dark:text-slate-300 hover:bg-slate-100 dark:hover:bg-slate-700/50 hover:text-slate-900 dark:hover:text-white' }}">
                    <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a2 2 0 00-2-2M5 11V9a2 2 0 012-2m0 0V5a2 2 0 012-2h6a2 2 0 012 2v2M7 7h10"/>
                    </svg>
                    Aufträge
                </a>
                
                <a href="{{ url_for('admin.system_health') }}" 
                   class="flex items-center px-6 py-3 text-sm font-medium rounded-xl transition-all duration-300 {{ 'bg-gradient-to-r from-blue-500 to-blue-600 text-white shadow-lg' if active_tab == 'system' else 'text-slate-600 dark:text-slate-300 hover:bg-slate-100 dark:hover:bg-slate-700/50 hover:text-slate-900 dark:hover:text-white' }}">
                    <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z"/>
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"/>
                    </svg>
                    System
                </a>
                
                <a href="{{ url_for('admin.logs_overview') }}" 
                   class="flex items-center px-6 py-3 text-sm font-medium rounded-xl transition-all duration-300 {{ 'bg-gradient-to-r from-blue-500 to-blue-600 text-white shadow-lg' if active_tab == 'logs' else 'text-slate-600 dark:text-slate-300 hover:bg-slate-100 dark:hover:bg-slate-700/50 hover:text-slate-900 dark:hover:text-white' }}">
                    <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z"/>
                    </svg>
                    Logs
                </a>
            </nav>
        </div>

        <!-- Tab Content - Übersicht -->
        <div class="bg-white/80 dark:bg-slate-800/80 backdrop-blur-xl rounded-3xl border border-white/20 dark:border-slate-700/50 shadow-xl overflow-hidden">
            <div class="p-8 text-center">
                <div class="max-w-md mx-auto">
                    <svg class="w-16 h-16 mx-auto text-slate-400 dark:text-slate-500 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z"/>
                    </svg>
                    <h3 class="text-lg font-medium text-slate-900 dark:text-white mb-2">Admin-Panel Übersicht</h3>
                    <p class="text-slate-500 dark:text-slate-400">Wählen Sie einen Bereich aus, um zu beginnen.</p>
                    
                    <!-- Schnellzugriff -->
                    <div class="mt-8 grid grid-cols-2 gap-4">
                        <a href="{{ url_for('admin.add_user_page') }}" class="p-4 bg-blue-50 dark:bg-blue-900/20 rounded-xl border border-blue-200 dark:border-blue-800 hover:bg-blue-100 dark:hover:bg-blue-900/30 transition-colors">
                            <svg class="w-6 h-6 mx-auto text-blue-600 dark:text-blue-400 mb-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M18 9v3m0 0v3m0-3h3m-3 0h-3m-2-5a4 4 0 11-8 0 4 4 0 018 0zM3 20a6 6 0 0112 0v1H3v-1z"/>
                            </svg>
                            <span class="text-sm font-medium text-blue-900 dark:text-blue-300">Benutzer hinzufügen</span>
                        </a>
                        <a href="{{ url_for('admin.add_printer_page') }}" class="p-4 bg-green-50 dark:bg-green-900/20 rounded-xl border border-green-200 dark:border-green-800 hover:bg-green-100 dark:hover:bg-green-900/30 transition-colors">
                            <svg class="w-6 h-6 mx-auto text-green-600 dark:text-green-400 mb-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 6v6m0 0v6m0-6h6m-6 0H6"/>
                            </svg>
                            <span class="text-sm font-medium text-green-900 dark:text-green-300">Drucker hinzufügen</span>
                        </a>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Wartungs-Aktionen als fixe Box -->
<div class="fixed bottom-6 right-6 z-40">
    <div class="bg-white dark:bg-slate-800 rounded-2xl p-4 shadow-2xl border border-slate-200 dark:border-slate-700">
        <h3 class="text-sm font-semibold text-slate-900 dark:text-white mb-3 flex items-center">
            <svg class="h-4 w-4 text-blue-600 dark:text-blue-400 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z"/>
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"/>
            </svg>
            System-Wartung
        </h3>
        
        <div class="space-y-2">
            <form method="POST" action="{{ url_for('admin.maintenance') }}" class="w-full">
                <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
                <input type="hidden" name="action" value="clear_cache"/>
                <button type="submit" class="w-full px-3 py-2 bg-blue-500 text-white rounded-lg hover:bg-blue-600 transition-colors text-xs font-medium">
                    🗑️ Cache leeren
                </button>
            </form>
            
            <form method="POST" action="{{ url_for('admin.maintenance') }}" class="w-full">
                <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
                <input type="hidden" name="action" value="optimize_db"/>
                <button type="submit" class="w-full px-3 py-2 bg-green-500 text-white rounded-lg hover:bg-green-600 transition-colors text-xs font-medium">
                    🔧 DB optimieren
                </button>
            </form>
            
            <form method="POST" action="{{ url_for('admin.maintenance') }}" class="w-full">
                <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
                <input type="hidden" name="action" value="create_backup"/>
                <button type="submit" class="w-full px-3 py-2 bg-purple-500 text-white rounded-lg hover:bg-purple-600 transition-colors text-xs font-medium">
                    💾 Backup
                </button>
            </form>
            
            <a href="{{ url_for('admin.advanced_settings') }}" class="block w-full px-3 py-2 bg-slate-500 text-white rounded-lg hover:bg-slate-600 transition-colors text-xs font-medium text-center">
                ⚙️ Erweiterte Einstellungen
            </a>
        </div>
    </div>
</div>

{% endblock %}

{# Das gesamte JavaScript wurde durch serverseitige Jinja-Templates ersetzt #}