@extends('admin.layout')

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

@section('content')
    <div class="card">
        <h2>Edit Produk: {{ $product->name }}</h2>
        @if($errors->any())<div class="error">{{ $errors->first() }}</div>@endif
        <form method="post" action="{{ route('admin.products.update', $product->id) }}" enctype="multipart/form-data">
            @csrf
            <div class="form-row">
                <label>Nama</label>
                <input type="text" name="name" value="{{ old('name', $product->name) }}">
            </div>
            <div class="form-row">
                <label>Warna</label>
                <input type="text" name="color" value="{{ old('color', $product->color) }}">
            </div>
            <div class="form-row">
                <label>Image URL / Path</label>
                <input type="text" name="image_url" value="{{ old('image_url', $product->image_url) }}">
                <div style="margin-top:8px">atau upload gambar baru:</div>
                <input type="file" name="image" accept="image/*">
            </div>

            <h3>Pengendalian Stok (Min-Max)</h3>
            <div class="sizes-grid">
                <div class="size-item">
                    <label>Stok Minimum (Reorder Point)</label>
                    <input type="number" name="min_stock" value="{{ old('min_stock', $product->min_stock ?? 5) }}" min="0" required>
                </div>
                <div class="size-item">
                    <label>Stok Maksimum</label>
                    <input type="number" name="max_stock" value="{{ old('max_stock', $product->max_stock ?? 50) }}" min="0" required>
                </div>
            </div>
            @if($product->isLowStock())
                <div class="alert alert-warning">
                    ⚠ Stok rendah! Stok saat ini: {{ $product->total_stock }} | Reorder Qty: {{ $product->reorder_quantity }} unit
                </div>
            @endif

            <h3>Stok per Ukuran</h3>
            <div class="sizes-grid">
                @php
                    $sizes = $product->sizes->pluck('size')->unique();
                    $orderedSizes = ['S','M','L','XL','XXL'];
                    $sizes = $sizes->sortBy(function ($size) use ($orderedSizes) {
                        $index = array_search($size, $orderedSizes, true);
                        return $index === false ? 100 + intval(preg_replace('/[^0-9]/', '', $size)) : $index;
                    });
                    if ($sizes->isEmpty()) {
                        $sizes = collect($orderedSizes);
                    }
                @endphp
                @foreach($sizes as $s)
                    @php $row = $product->sizes->firstWhere('size', $s); $val = $row ? $row->stock : 0; @endphp
                    <div class="size-item">
                        <label>{{ $s }}</label>
                        <input type="number" name="sizes[{{ $s }}]" value="{{ old("sizes.$s", $val) }}" min="0">
                    </div>
                @endforeach
            </div>

            <div style="margin-top:16px">
                <button class="btn" type="submit">Simpan</button>
                <a class="btn ghost" href="{{ route('admin.products.index') }}" style="margin-left:12px">Batal</a>
            </div>
        </form>
    </div>
@endsection