@extends('layouts.admin')

@section('title', 'Product Bewerken: ' . $product->name . ' | Jouwdriedee Beheer')

@section('content')
<div class="space-y-6 max-w-4xl mx-auto">

    <!-- Header -->
    <div class="flex items-center justify-between pb-6 border-b border-slate-800">
        <div>
            <a href="{{ route('admin.products.index') }}" class="text-xs text-amber-400 font-bold hover:underline inline-flex items-center space-x-1 mb-1">
                <i data-lucide="arrow-left" class="w-3.5 h-3.5"></i>
                <span>Terug naar Producten</span>
            </a>
            <h1 class="font-heading text-2xl font-black text-white">Product Bewerken: {{ $product->name }}</h1>
        </div>

        <a href="{{ route('product.show', $product->slug) }}" target="_blank" class="px-3.5 py-2 rounded-xl bg-slate-800 hover:bg-slate-700 text-slate-300 hover:text-white text-xs font-bold transition flex items-center space-x-1.5 border border-slate-700">
            <span>Bekijk Live</span>
            <i data-lucide="external-link" class="w-3.5 h-3.5"></i>
        </a>
    </div>

    <!-- Edit Form -->
    <form action="{{ route('admin.products.update', $product) }}" method="POST" class="space-y-6">
        @csrf
        @method('PUT')

        <div class="p-6 rounded-3xl bg-slate-900 border border-slate-800 space-y-5">
            
            <div class="grid grid-cols-1 md:grid-cols-3 gap-4">
                <div class="md:col-span-2 space-y-1.5">
                    <label class="block text-xs font-bold text-slate-300">Productnaam *</label>
                    <input type="text" name="name" value="{{ old('name', $product->name) }}" required class="w-full bg-slate-950 border border-slate-700 rounded-xl px-3.5 py-2.5 text-xs text-white font-bold focus:outline-none focus:ring-2 focus:ring-amber-400">
                </div>

                <div class="space-y-1.5">
                    <label class="block text-xs font-bold text-slate-300">Categorie *</label>
                    <select name="category_id" required class="w-full bg-slate-950 border border-slate-700 rounded-xl px-3 py-2.5 text-xs text-white font-bold">
                        @foreach($categories as $cat)
                            <option value="{{ $cat->id }}" {{ old('category_id', $product->category_id) == $cat->id ? 'selected' : '' }}>
                                {{ $cat->name }}
                            </option>
                        @endforeach
                    </select>
                </div>
            </div>

            <div class="grid grid-cols-1 md:grid-cols-3 gap-4">
                <div class="space-y-1.5">
                    <label class="block text-xs font-bold text-slate-300">Basisprijs (€) *</label>
                    <input type="number" step="0.01" name="base_price" value="{{ old('base_price', $product->base_price) }}" required class="w-full bg-slate-950 border border-slate-700 rounded-xl px-3.5 py-2.5 text-xs text-white font-bold">
                </div>

                <div class="md:col-span-2 space-y-1.5">
                    <label class="block text-xs font-bold text-slate-300">Korte Omschrijving (voor catalogus cards)</label>
                    <input type="text" name="short_description" value="{{ old('short_description', $product->short_description) }}" placeholder="Korte samenvatting in 1 zin..." class="w-full bg-slate-950 border border-slate-700 rounded-xl px-3.5 py-2.5 text-xs text-white">
                </div>
            </div>

            <!-- Visueel Afbeeldingen & Fotogalerij Beheer -->
            <div class="pt-5 border-t border-slate-800 space-y-4"
                 x-data="{
                    imageUrl: '{{ old('image_url', $product->image_url ?? '') }}',
                    galleryImages: {{ json_encode(old('gallery_images', $product->gallery_images ?? []), JSON_UNESCAPED_SLASHES) }},
                    newImageUrl: '',
                    addError: '',
                    isUploading: false,
                    uploadError: '',
                    showUrlInput: false,

                    setAsCover(index) {
                        let oldCover = this.imageUrl;
                        let newCover = this.galleryImages[index];
                        this.imageUrl = newCover;
                        if (oldCover && oldCover !== newCover) {
                            this.galleryImages[index] = oldCover;
                        } else {
                            this.galleryImages.splice(index, 1);
                        }
                    },

                    removeGalleryImage(index) {
                        this.galleryImages.splice(index, 1);
                    },

                    removeCover() {
                        if (this.galleryImages.length > 0) {
                            this.imageUrl = this.galleryImages.shift();
                        } else {
                            this.imageUrl = '';
                        }
                    },

                    addImageUrl() {
                        this.addError = '';
                        let url = this.newImageUrl.trim();
                        if (!url) return;
                        if (url === this.imageUrl || this.galleryImages.includes(url)) {
                            this.addError = 'Deze afbeelding is al gekoppeld aan het product!';
                            return;
                        }
                        if (!this.imageUrl) {
                            this.imageUrl = url;
                        } else {
                            this.galleryImages.push(url);
                        }
                        this.newImageUrl = '';
                    },

                    uploadFile(event) {
                        let file = event.target.files[0];
                        if (!file) return;

                        this.isUploading = true;
                        this.uploadError = '';

                        let formData = new FormData();
                        formData.append('image', file);
                        formData.append('_token', '{{ csrf_token() }}');

                        fetch('{{ route('admin.products.upload-image') }}', {
                            method: 'POST',
                            body: formData
                        })
                        .then(r => r.json())
                        .then(data => {
                            this.isUploading = false;
                            if (data.success && data.url) {
                                if (!this.imageUrl) {
                                    this.imageUrl = data.url;
                                } else {
                                    this.galleryImages.push(data.url);
                                }
                            } else {
                                this.uploadError = data.message || 'Uploaden is mislukt';
                            }
                        })
                        .catch(err => {
                            this.isUploading = false;
                            this.uploadError = 'Fout bij uploaden van afbeelding';
                        });

                        event.target.value = '';
                    }
                 }">

                <!-- Verborgen form fields die verstuurd worden naar de server -->
                <input type="hidden" name="image_url" :value="imageUrl">
                <template x-for="(img, idx) in galleryImages" :key="idx">
                    <input type="hidden" name="gallery_images[]" :value="img">
                </template>

                <div class="flex flex-col sm:flex-row sm:items-center justify-between gap-2">
                    <div>
                        <div class="flex items-center space-x-2">
                            <i data-lucide="image" class="w-4 h-4 text-amber-400"></i>
                            <h3 class="font-heading text-sm font-black text-white uppercase tracking-wider">Productafbeeldingen & Fotogalerij</h3>
                            <span class="px-2 py-0.5 rounded-full bg-slate-800 text-amber-400 font-mono text-[11px] font-bold" x-text="(imageUrl ? 1 : 0) + galleryImages.length + ' foto(\'s)'"></span>
                        </div>
                        <p class="text-xs text-slate-400 mt-0.5">
                            Alle foto's die vanuit MakerWorld zijn binnengehaald worden hier visueel getoond. Je kunt foto's toevoegen, wisselen van hoofdfoto of verwijderen.
                        </p>
                    </div>

                    <div class="flex items-center space-x-2">
                        <!-- Bestand uploaden button -->
                        <label class="px-3 py-1.5 rounded-xl bg-slate-800 hover:bg-slate-700 text-slate-200 text-xs font-bold transition flex items-center space-x-1.5 border border-slate-700 cursor-pointer">
                            <i data-lucide="upload" class="w-3.5 h-3.5 text-amber-400"></i>
                            <span x-text="isUploading ? 'Uploaden...' : 'Foto Uploaden'"></span>
                            <input type="file" accept="image/*" class="hidden" @change="uploadFile" :disabled="isUploading">
                        </label>

                        <!-- URL toevoegen toggle -->
                        <button type="button" @click="showUrlInput = !showUrlInput" class="px-3 py-1.5 rounded-xl bg-slate-800 hover:bg-slate-700 text-slate-200 text-xs font-bold transition flex items-center space-x-1.5 border border-slate-700">
                            <i data-lucide="link" class="w-3.5 h-3.5 text-amber-400"></i>
                            <span>URL Plakken</span>
                        </button>
                    </div>
                </div>

                <!-- URL Toevoegen Bar (uitklapbaar) -->
                <div x-show="showUrlInput" x-transition class="p-3 bg-slate-950 rounded-2xl border border-slate-800 space-y-2">
                    <div class="flex items-center space-x-2">
                        <input 
                            type="text" 
                            x-model="newImageUrl" 
                            @keydown.enter.prevent="addImageUrl" 
                            placeholder="Plak hier een foto-URL (bijv. https://makerworld... of /images/products/...)" 
                            class="flex-1 bg-slate-900 border border-slate-700 rounded-xl px-3 py-2 text-xs text-white placeholder-slate-500 focus:outline-none focus:ring-2 focus:ring-amber-400"
                        >
                        <button type="button" @click="addImageUrl" class="px-4 py-2 bg-amber-400 hover:bg-amber-300 text-slate-950 rounded-xl text-xs font-black transition flex items-center space-x-1">
                            <i data-lucide="plus" class="w-3.5 h-3.5"></i>
                            <span>Toevoegen</span>
                        </button>
                    </div>
                    <p x-show="addError" x-text="addError" class="text-xs text-rose-400 font-bold"></p>
                </div>

                <div x-show="uploadError" x-text="uploadError" class="p-2.5 bg-rose-500/10 border border-rose-500/30 text-xs text-rose-300 rounded-xl font-bold"></div>

                <!-- Visuele Weergave: Hoofdafbeelding + Gallerij Grid -->
                <div class="grid grid-cols-1 md:grid-cols-12 gap-4 items-start">
                    
                    <!-- Hoofdafbeelding Box (Links) -->
                    <div class="md:col-span-5 bg-slate-950 rounded-2xl border-2 border-amber-400/50 p-3 space-y-2 relative overflow-hidden">
                        <div class="flex items-center justify-between">
                            <span class="px-2.5 py-1 rounded-full bg-amber-400 text-slate-950 font-black text-[10px] uppercase tracking-wider flex items-center space-x-1 shadow-sm">
                                <i data-lucide="star" class="w-3 h-3 fill-current"></i>
                                <span>Hoofdafbeelding (Cover)</span>
                            </span>
                            
                            <template x-if="imageUrl">
                                <button type="button" @click="removeCover" class="text-slate-400 hover:text-rose-400 text-xs font-bold transition flex items-center space-x-1" title="Verwijder hoofdafbeelding">
                                    <i data-lucide="trash-2" class="w-3.5 h-3.5"></i>
                                    <span>Verwijderen</span>
                                </button>
                            </template>
                        </div>

                        <!-- Grote Image Preview -->
                        <div class="aspect-4/3 rounded-xl bg-slate-900 overflow-hidden flex items-center justify-center relative border border-slate-800">
                            <template x-if="imageUrl">
                                <img :src="imageUrl" alt="Hoofdafbeelding" class="w-full h-full object-cover">
                            </template>
                            <template x-if="!imageUrl">
                                <div class="text-center p-4 text-slate-500 space-y-1">
                                    <i data-lucide="image" class="w-8 h-8 mx-auto text-slate-600"></i>
                                    <p class="text-xs font-bold">Geen hoofdafbeelding</p>
                                    <p class="text-[10px]">Kies een foto uit de galerij of voeg er een toe.</p>
                                </div>
                            </template>
                        </div>

                        <!-- Huidige Cover URL weergave -->
                        <div class="pt-1">
                            <span class="text-[10px] font-mono text-slate-500 truncate block" x-text="imageUrl || 'Geen URL ingesteld'"></span>
                        </div>
                    </div>

                    <!-- Gallerij Foto's (Rechts) -->
                    <div class="md:col-span-7 bg-slate-950/60 rounded-2xl border border-slate-800 p-3 space-y-3">
                        <div class="flex items-center justify-between">
                            <span class="text-xs font-black text-slate-300 uppercase tracking-wider">Extra Gallerij Foto's</span>
                            <span class="text-[10px] text-slate-500 font-bold" x-text="galleryImages.length + ' extra foto(\'s)'"></span>
                        </div>

                        <!-- Grid van Extra Foto's -->
                        <div class="grid grid-cols-2 sm:grid-cols-3 gap-2.5 max-h-96 overflow-y-auto pr-1">
                            <template x-for="(img, index) in galleryImages" :key="index">
                                <div class="group relative rounded-xl bg-slate-900 border border-slate-800 hover:border-amber-400 transition overflow-hidden">
                                    <div class="aspect-square w-full overflow-hidden bg-slate-950">
                                        <img :src="img" alt="Gallerij foto" class="w-full h-full object-cover group-hover:scale-105 transition duration-200" loading="lazy">
                                    </div>

                                    <!-- Index Badge -->
                                    <div class="absolute top-1.5 left-1.5">
                                        <span class="px-1.5 py-0.5 rounded bg-slate-950/80 text-white font-mono text-[9px] font-bold backdrop-blur" x-text="'#' + (index + 1)"></span>
                                    </div>

                                    <!-- Overlay Knoppen (Maak Hoofdfoto & Verwijderen) -->
                                    <div class="absolute inset-0 bg-slate-950/70 backdrop-blur-xs opacity-0 group-hover:opacity-100 transition flex flex-col items-center justify-center gap-1.5 p-2">
                                        <button 
                                            type="button" 
                                            @click="setAsCover(index)" 
                                            class="w-full py-1.5 px-2 bg-amber-400 hover:bg-amber-300 text-slate-950 rounded-lg text-[10px] font-black uppercase tracking-wider transition flex items-center justify-center space-x-1 shadow"
                                            title="Maak deze foto de hoofdafbeelding"
                                        >
                                            <i data-lucide="star" class="w-3 h-3 fill-current"></i>
                                            <span>Als Cover</span>
                                        </button>

                                        <button 
                                            type="button" 
                                            @click="removeGalleryImage(index)" 
                                            class="w-full py-1 px-2 bg-rose-600 hover:bg-rose-500 text-white rounded-lg text-[10px] font-bold transition flex items-center justify-center space-x-1"
                                            title="Verwijder deze foto uit galerij"
                                        >
                                            <i data-lucide="trash-2" class="w-3 h-3"></i>
                                            <span>Verwijder</span>
                                        </button>
                                    </div>
                                </div>
                            </template>
                        </div>

                        <!-- Empty state als er geen extra gallerij foto's zijn -->
                        <div x-show="galleryImages.length === 0" class="text-center py-8 px-4 rounded-xl border border-dashed border-slate-800 text-slate-500 space-y-1">
                            <i data-lucide="images" class="w-6 h-6 mx-auto text-slate-600"></i>
                            <p class="text-xs font-bold text-slate-400">Nog geen extra galerijfoto's</p>
                            <p class="text-[11px] text-slate-500 max-w-xs mx-auto">
                                Voeg extra detailfoto's of printbedfoto's toe via "URL Plakken" of "Foto Uploaden".
                            </p>
                        </div>
                    </div>

                </div>

            </div>

            <div class="space-y-1.5">
                <label class="block text-xs font-bold text-slate-300">Volledige Productbeschrijving *</label>
                <textarea name="description" rows="6" required class="w-full bg-slate-950 border border-slate-700 rounded-xl px-3.5 py-2.5 text-xs text-white leading-relaxed">{{ old('description', $product->description) }}</textarea>
            </div>

            <!-- Print Specs -->
            <div class="grid grid-cols-1 sm:grid-cols-3 gap-4 pt-3 border-t border-slate-800">
                <div class="space-y-1.5">
                    <label class="block text-xs font-bold text-slate-300">Afmetingen (LxBxH)</label>
                    <input type="text" name="dimensions" value="{{ old('dimensions', $product->dimensions) }}" placeholder="bijv. 12 x 8 x 10 cm" class="w-full bg-slate-950 border border-slate-700 rounded-xl px-3 py-2 text-xs text-white">
                </div>

                <div class="space-y-1.5">
                    <label class="block text-xs font-bold text-slate-300">Gewicht (gram)</label>
                    <input type="number" name="weight_grams" value="{{ old('weight_grams', $product->weight_grams) }}" class="w-full bg-slate-950 border border-slate-700 rounded-xl px-3 py-2 text-xs text-white">
                </div>

                <div class="space-y-1.5">
                    <label class="block text-xs font-bold text-slate-300">Printtijd (uren)</label>
                    <input type="number" step="0.1" name="print_time_hours" value="{{ old('print_time_hours', $product->print_time_hours) }}" class="w-full bg-slate-950 border border-slate-700 rounded-xl px-3 py-2 text-xs text-white">
                </div>
            </div>

            <!-- Toggles -->
            <div class="pt-3 border-t border-slate-800 flex items-center space-x-6">
                <label class="flex items-center space-x-2 cursor-pointer text-xs font-bold text-slate-200">
                    <input type="checkbox" name="is_active" value="1" {{ old('is_active', $product->is_active) ? 'checked' : '' }} class="w-4 h-4 rounded text-amber-400 bg-slate-950 border-slate-700">
                    <span>Zichtbaar in webshop (Actief)</span>
                </label>

                <label class="flex items-center space-x-2 cursor-pointer text-xs font-bold text-slate-200">
                    <input type="checkbox" name="is_featured" value="1" {{ old('is_featured', $product->is_featured) ? 'checked' : '' }} class="w-4 h-4 rounded text-amber-400 bg-slate-950 border-slate-700">
                    <span>Uitlichten op homepage</span>
                </label>
            </div>

        </div>

        <div class="flex items-center justify-end space-x-3">
            <a href="{{ route('admin.products.index') }}" class="px-4 py-2.5 rounded-xl bg-slate-800 text-slate-300 hover:text-white text-xs font-bold transition">
                Annuleren
            </a>
            <button type="submit" class="px-6 py-2.5 rounded-xl bg-amber-400 hover:bg-amber-300 text-slate-950 font-black text-xs transition flex items-center space-x-1.5">
                <i data-lucide="save" class="w-4 h-4"></i>
                <span>Wijzigingen Opslaan</span>
            </button>
        </div>

    </form>
</div>
@endsection