@extends('layouts.admin')

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

@section('content')
<div class="row mb-4 align-items-center">
    <div class="col">
        <nav aria-label="breadcrumb">
            <ol class="breadcrumb mb-1 small">
                <li class="breadcrumb-item"><a href="{{ route('admin.dashboard') }}" class="text-decoration-none">Dashboard</a></li>
                <li class="breadcrumb-item"><a href="{{ route('admin.products.index') }}" class="text-decoration-none">Produk</a></li>
                <li class="breadcrumb-item active">Edit: {{ $product->name }}</li>
            </ol>
        </nav>
        <h4 class="fw-bold mb-0 text-dark">
            <i class="bi bi-pencil-square text-warning me-2"></i>Edit Produk
        </h4>
    </div>
</div>

<form action="{{ route('admin.products.update', $product) }}" method="POST" enctype="multipart/form-data">
    @csrf
    @method('PUT')
    <div class="row g-4">

        {{-- Kolom Kiri: Informasi Produk --}}
        <div class="col-lg-8">
            <div class="card card-custom mb-4">
                <div class="card-header bg-white border-bottom py-3 px-4">
                    <h6 class="fw-bold mb-0 text-dark"><i class="bi bi-info-circle me-2 text-warning"></i>Informasi Produk</h6>
                </div>
                <div class="card-body p-4">

                    {{-- Kategori --}}
                    <div class="mb-3">
                        <label for="category_id" class="form-label fw-semibold">
                            Kategori <span class="text-danger">*</span>
                        </label>
                        <select
                            name="category_id"
                            id="category_id"
                            class="form-select @error('category_id') is-invalid @enderror"
                        >
                            <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')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                    </div>

                    {{-- Nama Produk --}}
                    <div class="mb-3">
                        <label for="name" class="form-label fw-semibold">
                            Nama Produk <span class="text-danger">*</span>
                        </label>
                        <input
                            type="text"
                            name="name"
                            id="name"
                            value="{{ old('name', $product->name) }}"
                            class="form-control @error('name') is-invalid @enderror"
                            placeholder="Nama produk"
                            maxlength="255"
                        >
                        @error('name')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                    </div>

                    {{-- Deskripsi --}}
                    <div class="mb-3">
                        <label for="description" class="form-label fw-semibold">Deskripsi Produk</label>
                        <textarea
                            name="description"
                            id="description"
                            rows="5"
                            class="form-control @error('description') is-invalid @enderror"
                            placeholder="Deskripsi produk..."
                        >{{ old('description', $product->description) }}</textarea>
                        @error('description')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                    </div>

                    {{-- Harga & Stok --}}
                    <div class="row g-3">
                        <div class="col-md-6">
                            <label for="price" class="form-label fw-semibold">
                                Harga (Rp) <span class="text-danger">*</span>
                            </label>
                            <div class="input-group">
                                <span class="input-group-text">Rp</span>
                                <input
                                    type="number"
                                    name="price"
                                    id="price"
                                    value="{{ old('price', $product->price) }}"
                                    class="form-control @error('price') is-invalid @enderror"
                                    placeholder="0"
                                    min="0"
                                    step="1"
                                >
                                @error('price')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                        </div>
                        <div class="col-md-6">
                            <label for="stock" class="form-label fw-semibold">
                                Stok <span class="text-danger">*</span>
                            </label>
                            <div class="input-group">
                                <input
                                    type="number"
                                    name="stock"
                                    id="stock"
                                    value="{{ old('stock', $product->stock) }}"
                                    class="form-control @error('stock') is-invalid @enderror"
                                    placeholder="0"
                                    min="0"
                                    step="1"
                                >
                                <span class="input-group-text">unit</span>
                                @error('stock')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                        </div>
                    </div>

                </div>
            </div>

            {{-- Info SKU & Slug --}}
            <div class="card card-custom mb-4">
                <div class="card-header bg-white border-bottom py-3 px-4">
                    <h6 class="fw-bold mb-0 text-dark text-muted"><i class="bi bi-info-square me-2"></i>Info Sistem</h6>
                </div>
                <div class="card-body px-4 py-3">
                    <div class="row g-3 small text-muted">
                        <div class="col-sm-6">
                            <span class="fw-semibold">SKU:</span>
                            <code class="ms-2">{{ $product->sku }}</code>
                        </div>
                        <div class="col-sm-6">
                            <span class="fw-semibold">Slug:</span>
                            <code class="ms-2">{{ $product->slug }}</code>
                        </div>
                        <div class="col-sm-6">
                            <span class="fw-semibold">Dibuat:</span>
                            <span class="ms-2">{{ $product->created_at->format('d M Y') }}</span>
                        </div>
                        <div class="col-sm-6">
                            <span class="fw-semibold">Diperbarui:</span>
                            <span class="ms-2">{{ $product->updated_at->format('d M Y') }}</span>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        {{-- Kolom Kanan: Gambar & Status --}}
        <div class="col-lg-4">

            {{-- Upload Gambar --}}
            <div class="card card-custom mb-4">
                <div class="card-header bg-white border-bottom py-3 px-4">
                    <h6 class="fw-bold mb-0 text-dark"><i class="bi bi-image me-2 text-warning"></i>Gambar Produk</h6>
                </div>
                <div class="card-body p-4">
                    {{-- Gambar Saat Ini --}}
                    <div class="mb-3 text-center">
                        <img
                            id="imagePreview"
                            src="{{ $product->image && Storage::disk('public')->exists($product->image) ? asset('storage/' . $product->image) : 'https://placehold.co/300x200/f1f5f9/94a3b8?text=Belum+Ada+Gambar' }}"
                            alt="{{ $product->name }}"
                            class="img-fluid rounded-3 border"
                            style="max-height: 200px; object-fit: cover; width: 100%;"
                        >
                        @if($product->image)
                            <div class="mt-1">
                                <small class="text-muted"><i class="bi bi-check-circle-fill text-success me-1"></i>Gambar tersedia</small>
                            </div>
                        @endif
                    </div>
                    <div class="mb-2">
                        <label for="image" class="form-label fw-semibold small">Ganti Gambar (opsional)</label>
                        <input
                            type="file"
                            name="image"
                            id="image"
                            accept="image/jpeg,image/png,image/jpg,image/webp"
                            class="form-control form-control-sm @error('image') is-invalid @enderror"
                        >
                        @error('image')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                        <div class="form-text">Format: JPG, PNG, WEBP. Maks. 2MB. Kosongkan jika tidak ingin mengganti.</div>
                    </div>
                </div>
            </div>

            {{-- Status --}}
            <div class="card card-custom mb-4">
                <div class="card-header bg-white border-bottom py-3 px-4">
                    <h6 class="fw-bold mb-0 text-dark"><i class="bi bi-toggle-on me-2 text-warning"></i>Status Produk</h6>
                </div>
                <div class="card-body p-4">
                    <div class="form-check form-switch">
                        <input
                            class="form-check-input"
                            type="checkbox"
                            name="is_active"
                            id="is_active"
                            value="1"
                            {{ old('is_active', $product->is_active) ? 'checked' : '' }}
                            style="width: 2.5em; height: 1.25em;"
                        >
                        <label class="form-check-label fw-semibold ms-2" for="is_active">
                            Produk Aktif & Tampil di Toko
                        </label>
                    </div>
                    <div class="form-text mt-2">
                        Produk nonaktif tidak akan tampil kepada pembeli.
                    </div>
                </div>
            </div>

            {{-- Tombol Aksi --}}
            <div class="d-grid gap-2">
                <button type="submit" class="btn btn-warning text-dark fw-semibold rounded-pill px-4 shadow-sm">
                    <i class="bi bi-save me-2"></i>Simpan Perubahan
                </button>
                <a href="{{ route('admin.products.index') }}" class="btn btn-outline-secondary rounded-pill px-4">
                    <i class="bi bi-arrow-left me-2"></i>Batal
                </a>
            </div>

        </div>
    </div>
</form>
@endsection

@section('scripts')
<script>
    // Preview gambar baru sebelum upload
    document.getElementById('image').addEventListener('change', function (e) {
        const file = e.target.files[0];
        if (file && file.type.startsWith('image/')) {
            const reader = new FileReader();
            reader.onload = function (ev) {
                document.getElementById('imagePreview').src = ev.target.result;
            };
            reader.readAsDataURL(file);
        }
    });
</script>
@endsection