@extends('layouts.admin')

@section('title', 'Edit Produk')
@section('page-title', 'Edit Produk')

@section('admin_content')
<div class="page-header">
    <h1>Edit Produk</h1>
    <a href="{{ route('admin.products.index') }}" class="text-sm text-gray-500 hover:text-gray-700">
        <i class="fas fa-arrow-left mr-1"></i> Kembali
    </a>
</div>

<form method="POST" action="{{ route('admin.products.update', $product->id) }}" enctype="multipart/form-data" id="product-form">
    @csrf
    @method('PUT')
    <div class="grid grid-cols-1 lg:grid-cols-3 gap-6">
        <div class="lg:col-span-2 space-y-6">
            <div class="admin-panel-card">
                <h3 class="font-semibold text-gray-900 mb-4">Informasi Produk</h3>

                <div class="mb-4">
                    <label class="form-label">Nama Produk <span class="text-red-500">*</span></label>
                    <input type="text" name="name" value="{{ old('name', $product->name) }}" required class="form-input">
                    @error('name') <p class="text-red-500 text-xs mt-1">{{ $message }}</p> @enderror
                </div>

                <div class="grid grid-cols-1 sm:grid-cols-3 gap-4 mb-4">
                    <div>
                        <label class="form-label">Kategori <span class="text-red-500">*</span></label>
                        <select name="category_id" required class="form-input">
                            <option value="">Pilih Kategori</option>
                            @foreach($categories as $cat)
                                <option value="{{ $cat->id }}" {{ old('category_id', $product->category_id) == $cat->id ? 'selected' : '' }}>{{ $cat->name }}</option>
                            @endforeach
                        </select>
                        @error('category_id') <p class="text-red-500 text-xs mt-1">{{ $message }}</p> @enderror
                    </div>
                    <div>
                        <label class="form-label">Badge</label>
                        <select name="badge" class="form-input">
                            <option value="">Tanpa Badge</option>
                            <option value="new" {{ old('badge', $product->badge) === 'new' ? 'selected' : '' }}>Baru (New)</option>
                            <option value="sale" {{ old('badge', $product->badge) === 'sale' ? 'selected' : '' }}>Sale</option>
                            <option value="habis_terjual" {{ old('badge', $product->badge) === 'habis_terjual' ? 'selected' : '' }}>Habis Terjual</option>
                        </select>
                    </div>
                    <div>
                        <label class="form-label">Status</label>
                        <select name="status" class="form-input">
                            <option value="active" {{ old('status', $product->status ?? 'active') === 'active' ? 'selected' : '' }}>Aktif</option>
                            <option value="inactive" {{ old('status', $product->status) === 'inactive' ? 'selected' : '' }}>Nonaktif</option>
                        </select>
                    </div>
                </div>

                <div class="mb-4">
                    <div class="mb-2 flex items-center justify-between gap-3">
                        <label class="form-label mb-0">Deskripsi (Markdown)</label>
                        <span class="text-[11px] text-gray-500">Mendukung heading, list, bold, link</span>
                    </div>
                    <textarea name="description" rows="8" class="form-input font-mono text-sm" id="product-description" placeholder="# Judul produk\n\nTulis deskripsi dengan **Markdown**...">{{ old('description', $product->description) }}</textarea>
                    <p class="mt-2 text-xs text-gray-500">Contoh: <code>## Manfaat</code>, <code>**teks tebal**</code>, <code>- poin manfaat</code></p>
                </div>

                <div class="mb-4">
                    <label class="flex items-center gap-2 cursor-pointer">
                        <input type="checkbox" name="is_featured" value="1" {{ old('is_featured', $product->is_featured) ? 'checked' : '' }} class="w-4 h-4 text-blue-600 rounded">
                        <span class="text-sm font-medium text-gray-700">Best Seller (Featured)</span>
                    </label>
                </div>
            </div>

            @include('admin.product._image-manager')

            <div class="admin-panel-card">
                <div class="flex items-center justify-between mb-4">
                    <h3 class="font-semibold text-gray-900">Variasi Produk</h3>
                    <label class="flex items-center gap-2 cursor-pointer">
                        <input type="checkbox" name="has_variations" value="1" id="toggle-variations" {{ old('has_variations', $product->has_variations) ? 'checked' : '' }} onchange="toggleVariations()" class="w-4 h-4 text-blue-600 rounded">
                        <span class="text-sm font-medium text-gray-700">Aktifkan Variasi</span>
                    </label>
                </div>

                <div id="variation-section" class="{{ old('has_variations', $product->has_variations) ? '' : 'hidden' }}">
                    <div id="variations-container" class="space-y-3">
                        @if(old('variation_price', $product->variations->pluck('price')->toArray()))
                            @foreach(old('variation_price', $product->variations) as $i => $v)
                                <div class="variation-row flex gap-3 items-end">
                                    <div class="flex-1">
                                        <label class="form-label">Berat (gram)</label>
                                        <input type="number" name="variation_weight[]" step="1" min="0" value="{{ is_object($v) ? $v->weight : (old('variation_weight')[$i] ?? '') }}" class="form-input" placeholder="Masukkan berat dalam gram">
                                    </div>
                                    <div class="flex-1">
                                        <label class="form-label">Harga (Rp)</label>
                                        <input type="number" name="variation_price[]" value="{{ is_object($v) ? $v->price : $v }}" class="form-input">
                                    </div>
                                    <div class="flex-1">
                                        <label class="form-label">Harga Coret (Rp)</label>
                                        <input type="number" name="variation_compare_at_price[]" value="{{ is_object($v) ? ($v->compare_at_price ?? '') : '' }}" min="0" class="form-input" placeholder="Opsional">
                                    </div>
                                    <div class="flex-1">
                                        <label class="form-label">Stok</label>
                                        <input type="number" name="variation_stock[]" value="{{ is_object($v) ? $v->stock : (old('variation_stock')[$i] ?? '') }}" class="form-input">
                                    </div>
                                    <button type="button" onclick="removeVariation(this)" class="btn-danger btn-sm mb-0.5"><i class="fas fa-times"></i></button>
                                </div>
                            @endforeach
                        @endif
                    </div>
                    <button type="button" onclick="addVariation()" class="mt-3 text-sm text-blue-600 hover:underline">
                        <i class="fas fa-plus mr-1"></i> Tambah Variasi
                    </button>
                </div>

                <div id="global-price-section" class="{{ old('has_variations', $product->has_variations) ? 'hidden' : '' }}">
                    <div class="grid grid-cols-1 sm:grid-cols-2 gap-4">
                        <div>
                            <label class="form-label">Harga Global <span class="text-red-500">*</span></label>
                            <input type="number" name="price" value="{{ old('price', $product->price) }}" required class="form-input">
                            @error('price') <p class="text-red-500 text-xs mt-1">{{ $message }}</p> @enderror
                        </div>
                        <div>
                            <label class="form-label">Stok Global <span class="text-red-500">*</span></label>
                            <input type="number" name="stock" value="{{ old('stock', $product->stock) }}" required class="form-input">
                            @error('stock') <p class="text-red-500 text-xs mt-1">{{ $message }}</p> @enderror
                        </div>
                    </div>
                    <div class="mt-3">
                        <label class="form-label">Harga Coret <span class="text-gray-400">(opsional, untuk label Sale)</span></label>
                        <input type="number" name="compare_at_price" value="{{ old('compare_at_price', $product->compare_at_price) }}" min="0" class="form-input" placeholder="Kosongkan jika tidak ada harga coret">
                    </div>
                </div>
            </div>
        </div>

        <div>
            <div class="admin-panel-card sticky top-20">
                <button type="submit" class="btn-primary w-full">
                    <i class="fas fa-save mr-1"></i> Perbarui Produk
                </button>
            </div>
        </div>
    </div>
</form>
@endsection

@section('scripts')
@verbatim
function toggleVariations() {
    const checked = document.getElementById('toggle-variations').checked;
    document.getElementById('variation-section').classList.toggle('hidden', !checked);
    document.getElementById('global-price-section').classList.toggle('hidden', checked);
}

function addVariation() {
    const container = document.getElementById('variations-container');
    const row = document.createElement('div');
    row.className = 'variation-row flex gap-3 items-end';
    row.innerHTML = `
        <div class="flex-1">
            <label class="form-label">Berat (gram)</label>
            <input type="number" name="variation_weight[]" step="1" min="0" class="form-input" placeholder="Masukkan berat dalam gram">
        </div>
        <div class="flex-1">
            <label class="form-label">Harga (Rp)</label>
            <input type="number" name="variation_price[]" class="form-input">
        </div>
        <div class="flex-1">
            <label class="form-label">Harga Coret (Rp)</label>
            <input type="number" name="variation_compare_at_price[]" min="0" class="form-input" placeholder="Opsional">
        </div>
        <div class="flex-1">
            <label class="form-label">Stok</label>
            <input type="number" name="variation_stock[]" class="form-input">
        </div>
        <button type="button" onclick="removeVariation(this)" class="btn-danger btn-sm mb-0.5"><i class="fas fa-times"></i></button>
    `;
    container.appendChild(row);
}

function removeVariation(btn) {
    btn.closest('.variation-row').remove();
}

@endverbatim
@endsection