@extends('layouts.vending')

@section('title', 'Slot Details')

@section('content')
<div class="max-w-6xl mx-auto px-4">
    <div class="mb-8">
        <div class="flex items-center justify-between mb-4">
            <div class="flex items-center space-x-4">
                <a href="{{ route('slots.index') }}" class="text-blue-600 hover:text-blue-800">
                    ← Zurück zur Übersicht
                </a>
            </div>
            <div class="flex space-x-3">
                <a href="{{ route('slots.edit', $slot) }}" 
                   class="inline-flex items-center px-4 py-2 bg-purple-600 text-white text-sm font-medium rounded-md hover:bg-purple-700">
                    Slot bearbeiten
                </a>
            </div>
        </div>
        <h1 class="text-3xl font-bold text-gray-900">Slot {{ $slot->slot_number }}</h1>
        <p class="text-gray-600 mt-2">{{ $slot->vendingMachine->name }} - {{ $slot->vendingMachine->location }}</p>
    </div>

    <!-- Slot-Informationen -->
    <div class="bg-white shadow rounded-lg p-6 mb-8">
        <h2 class="text-xl font-semibold text-gray-900 mb-6 border-b border-gray-200 pb-2">
            Slot-Informationen
        </h2>
        
        <div class="grid grid-cols-1 md:grid-cols-3 gap-6">
            <div>
                <label class="block text-sm font-medium text-gray-700">Position</label>
                <p class="mt-1 text-sm text-gray-900">{{ $slot->position ?: 'Nicht angegeben' }}</p>
            </div>
            <div>
                <label class="block text-sm font-medium text-gray-700">Kapazität</label>
                <p class="mt-1 text-sm text-gray-900">{{ $slot->capacity }} Produkte</p>
            </div>
            <div>
                <label class="block text-sm font-medium text-gray-700">Status</label>
                <p class="mt-1">
                    @if($slot->is_active)
                        <span class="inline-flex px-2 py-1 text-xs font-medium bg-green-100 text-green-800 rounded-full">Aktiv</span>
                    @else
                        <span class="inline-flex px-2 py-1 text-xs font-medium bg-red-100 text-red-800 rounded-full">Inaktiv</span>
                    @endif
                </p>
            </div>
        </div>
    </div>

    <!-- Aktuelles Produkt -->
    @if($slot->products->count() > 0)
        <div class="bg-white shadow rounded-lg p-6 mb-8">
            <h2 class="text-xl font-semibold text-gray-900 mb-6 border-b border-gray-200 pb-2">
                Aktuelles Produkt
            </h2>
            
            @foreach($slot->products as $product)
                <div class="flex items-start space-x-4 p-4 bg-blue-50 border border-blue-200 rounded-lg mb-4">
                    @if($product->image)
                        <img class="h-20 w-20 rounded object-cover" src="{{ asset('storage/' . $product->image) }}" alt="{{ $product->name }}">
                    @else
                        <div class="h-20 w-20 rounded bg-gray-200 flex items-center justify-center">
                            <span class="text-gray-400">📦</span>
                        </div>
                    @endif
                    
                    <div class="flex-1">
                        <h3 class="font-semibold text-blue-900 text-lg">{{ $product->name }}</h3>
                        <p class="text-blue-700 text-sm mb-2">{{ $product->description }}</p>
                        
                        <div class="grid grid-cols-2 md:grid-cols-4 gap-4 text-sm">
                            <div>
                                <span class="font-medium text-gray-700">Bestand:</span>
                                <span class="text-blue-900">{{ $product->pivot->quantity ?? 0 }} Stück</span>
                            </div>
                            <div>
                                <span class="font-medium text-gray-700">Preis:</span>
                                <span class="text-blue-900">{{ number_format($product->pivot->current_price ?? $product->price, 2) }}€</span>
                            </div>
                            <div>
                                <span class="font-medium text-gray-700">Kategorie:</span>
                                <span class="text-blue-900">{{ $product->category ?: 'Keine' }}</span>
                            </div>
                            <div>
                                <span class="font-medium text-gray-700">Status:</span>
                                @if(($product->pivot->quantity ?? 0) > 0)
                                    <span class="text-green-600">Verfügbar</span>
                                @else
                                    <span class="text-red-600">Ausverkauft</span>
                                @endif
                            </div>
                        </div>
                        
                        <!-- Bestand verwalten -->
                        <div class="mt-4 p-4 bg-white border rounded-lg">
                            <h4 class="font-medium text-gray-900 mb-3">Bestand verwalten</h4>
                            <form action="{{ route('slots.update-product', [$slot, $product]) }}" method="POST" class="flex items-end space-x-4">
                                @csrf
                                @method('PUT')
                                
                                <div>
                                    <label for="quantity" class="block text-sm font-medium text-gray-700 mb-1">Anzahl</label>
                                    <input type="number" id="quantity" name="quantity" 
                                           value="{{ $product->pivot->quantity ?? 0 }}" 
                                           min="0" max="{{ $slot->capacity }}"
                                           class="w-20 px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-purple-500">
                                </div>
                                
                                <div>
                                    <label for="current_price" class="block text-sm font-medium text-gray-700 mb-1">Preis (€)</label>
                                    <input type="number" id="current_price" name="current_price" 
                                           value="{{ $product->pivot->current_price ?? $product->price }}" 
                                           min="0" step="0.01"
                                           class="w-24 px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-purple-500">
                                </div>
                                
                                <button type="submit" 
                                        class="px-4 py-2 bg-blue-600 text-white text-sm font-medium rounded-md hover:bg-blue-700">
                                    Aktualisieren
                                </button>
                            </form>
                        </div>
                        
                        <!-- Produkt entfernen -->
                        <div class="mt-3 flex justify-end">
                            <form action="{{ route('slots.detach-product', [$slot, $product]) }}" method="POST" 
                                  onsubmit="return confirm('Sind Sie sicher, dass Sie dieses Produkt aus dem Slot entfernen möchten?')">
                                @csrf
                                @method('DELETE')
                                <button type="submit" class="text-red-600 hover:text-red-900 text-sm">
                                    Produkt entfernen
                                </button>
                            </form>
                        </div>
                    </div>
                </div>
            @endforeach
        </div>
    @endif

    <!-- Produkt hinzufügen -->
    <div class="bg-white shadow rounded-lg p-6">
        <h2 class="text-xl font-semibold text-gray-900 mb-6 border-b border-gray-200 pb-2">
            {{ $slot->products->count() > 0 ? 'Produkt wechseln' : 'Produkt hinzufügen' }}
        </h2>
        
        @if($products->count() > 0)
            <form action="{{ route('slots.attach-product', [$slot, 0]) }}" method="POST" id="attach-product-form">
                @csrf
                
                <div class="grid grid-cols-1 md:grid-cols-3 gap-6 mb-6">
                    <div>
                        <label for="product_id" class="block text-sm font-medium text-gray-700 mb-2">Produkt auswählen *</label>
                        <select id="product_id" name="product_id" required
                                class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-purple-500">
                            <option value="">Produkt wählen...</option>
                            @foreach($products as $product)
                                <option value="{{ $product->id }}" data-price="{{ $product->price }}">
                                    {{ $product->name }} ({{ number_format($product->price, 2) }}€)
                                </option>
                            @endforeach
                        </select>
                    </div>
                    
                    <div>
                        <label for="stock_quantity" class="block text-sm font-medium text-gray-700 mb-2">Anfangsbestand</label>
                        <input type="number" id="stock_quantity" name="stock_quantity" 
                               value="0" min="0" max="{{ $slot->capacity }}"
                               class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-purple-500">
                        <p class="text-xs text-gray-500 mt-1">Max. {{ $slot->capacity }} Stück</p>
                    </div>
                    
                    <div>
                        <label for="price" class="block text-sm font-medium text-gray-700 mb-2">Verkaufspreis (€)</label>
                        <input type="number" id="price" name="price" 
                               min="0" step="0.01" placeholder="0.00"
                               class="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-purple-500">
                        <p class="text-xs text-gray-500 mt-1">Leer = Standardpreis verwenden</p>
                    </div>
                </div>
                
                <div class="flex justify-end">
                    <button type="submit" 
                            class="inline-flex items-center px-6 py-2 bg-green-600 text-white text-sm font-medium rounded-md hover:bg-green-700">
                        {{ $slot->products->count() > 0 ? 'Produkt wechseln' : 'Produkt hinzufügen' }}
                    </button>
                </div>
            </form>
        @else
            <div class="text-center py-8">
                <p class="text-gray-500 mb-4">Keine Produkte verfügbar. Erstellen Sie zuerst Produkte.</p>
                <a href="{{ route('products.create') }}" 
                   class="inline-flex items-center px-4 py-2 bg-blue-600 text-white text-sm font-medium rounded-md hover:bg-blue-700">
                    Neues Produkt erstellen
                </a>
            </div>
        @endif
    </div>
</div>

<script>
document.getElementById('product_id')?.addEventListener('change', function() {
    const selectedOption = this.options[this.selectedIndex];
    const price = selectedOption.getAttribute('data-price');
    if (price) {
        document.getElementById('price').value = price;
    }
});

// Form Action dynamisch anpassen
document.getElementById('product_id')?.addEventListener('change', function() {
    const productId = this.value;
    const form = document.getElementById('attach-product-form');
    if (productId && form) {
        const baseUrl = form.action.replace('/0', '/' + productId);
        form.action = baseUrl;
    }
});
</script>
@endsection