@extends('layouts.app')

@section('title', 'Edit Product - ' . $product->name)

@section('content')
<div class="mb-4">
    <nav aria-label="breadcrumb">
        <ol class="breadcrumb mb-1 small">
            <li class="breadcrumb-item"><a href="{{ route('products.index') }}" class="text-success text-decoration-none">Products</a></li>
            <li class="breadcrumb-item"><a href="{{ route('products.show', $product) }}" class="text-success text-decoration-none">{{ $product->name }}</a></li>
            <li class="breadcrumb-item active" aria-current="page">Edit Product</li>
        </ol>
    </nav>
    <h3 class="fw-bold mb-1 text-dark">Edit Product: {{ $product->name }}</h3>
    <p class="text-muted mb-0 small">Update pricing, retail barcodes, and master specifications.</p>
</div>

<div class="card shadow-sm border-0">
    <div class="card-body p-4">
        <form method="POST" action="{{ route('products.update', $product) }}" enctype="multipart/form-data">
            @csrf
            @method('PUT')

            <h5 class="fw-bold text-dark mb-3"><i class="bi bi-tag me-2 text-success"></i>Core Identification & Categorization</h5>
            <div class="row g-3 mb-4">
                <div class="col-md-6">
                    <label for="name" class="form-label small fw-semibold">Product Name <span class="text-danger">*</span></label>
                    <input type="text" class="form-control @error('name') is-invalid @enderror" id="name" name="name" value="{{ old('name', $product->name) }}" required>
                    @error('name')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>

                <div class="col-md-6">
                    <label for="category_id" class="form-label small fw-semibold">Category <span class="text-danger">*</span></label>
                    <select class="form-select @error('category_id') is-invalid @enderror" id="category_id" name="category_id" required>
                        @foreach($categories as $cat)
                            <option value="{{ $cat->id }}" {{ old('category_id', $product->category_id) == $cat->id ? 'selected' : '' }}>
                                {{ $cat->name }} ({{ $cat->code }})
                            </option>
                        @endforeach
                    </select>
                    @error('category_id')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>

                <div class="col-md-4">
                    <label for="product_code" class="form-label small fw-semibold">Product Code <span class="text-danger">*</span></label>
                    <input type="text" class="form-control text-uppercase font-monospace @error('product_code') is-invalid @enderror" id="product_code" name="product_code" value="{{ old('product_code', $product->product_code) }}" required>
                    @error('product_code')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>

                <div class="col-md-4">
                    <label for="sku" class="form-label small fw-semibold">Stock Keeping Unit (SKU) <span class="text-danger">*</span></label>
                    <input type="text" class="form-control text-uppercase font-monospace @error('sku') is-invalid @enderror" id="sku" name="sku" value="{{ old('sku', $product->sku) }}" required>
                    @error('sku')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>

                <div class="col-md-4">
                    <label for="barcode" class="form-label small fw-semibold">Standard Retail Barcode</label>
                    <input type="text" class="form-control font-monospace @error('barcode') is-invalid @enderror" id="barcode" name="barcode" value="{{ old('barcode', $product->barcode) }}">
                    @error('barcode')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>
            </div>

            <h5 class="fw-bold text-dark mb-3 border-top pt-3"><i class="bi bi-currency-rupee me-2 text-success"></i>Pricing, Taxation & Measurement</h5>
            <div class="row g-3 mb-4">
                <div class="col-md-3">
                    <label for="selling_price" class="form-label small fw-semibold">Selling Price (₹) <span class="text-danger">*</span></label>
                    <div class="input-group">
                        <span class="input-group-text">₹</span>
                        <input type="number" step="0.01" min="0" class="form-control @error('selling_price') is-invalid @enderror" id="selling_price" name="selling_price" value="{{ old('selling_price', $product->selling_price) }}" required>
                    </div>
                    @error('selling_price')
                        <div class="invalid-feedback d-block">{{ $message }}</div>
                    @enderror
                </div>

                <div class="col-md-3">
                    <label for="tax_rate" class="form-label small fw-semibold">GST Tax Rate (%) <span class="text-danger">*</span></label>
                    <select class="form-select @error('tax_rate') is-invalid @enderror" id="tax_rate" name="tax_rate" required>
                        @foreach($taxRates as $rate)
                            <option value="{{ $rate }}" {{ old('tax_rate', $product->tax_rate) == $rate ? 'selected' : '' }}>
                                {{ (float)$rate }}% GST
                            </option>
                        @endforeach
                    </select>
                    @error('tax_rate')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>

                <div class="col-md-3">
                    <label for="size_or_weight" class="form-label small fw-semibold">Size or Weight Specification</label>
                    <input type="text" class="form-control @error('size_or_weight') is-invalid @enderror" id="size_or_weight" name="size_or_weight" value="{{ old('size_or_weight', $product->size_or_weight) }}">
                    @error('size_or_weight')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>

                <div class="col-md-3">
                    <label for="unit_of_measurement" class="form-label small fw-semibold">Unit of Measurement (UOM) <span class="text-danger">*</span></label>
                    <select class="form-select @error('unit_of_measurement') is-invalid @enderror" id="unit_of_measurement" name="unit_of_measurement" required>
                        @foreach($uomList as $uom)
                            <option value="{{ $uom }}" {{ old('unit_of_measurement', $product->unit_of_measurement) === $uom ? 'selected' : '' }}>
                                {{ strtoupper($uom) }}
                            </option>
                        @endforeach
                    </select>
                    @error('unit_of_measurement')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>
            </div>

            <h5 class="fw-bold text-dark mb-3 border-top pt-3"><i class="bi bi-file-earmark-text me-2 text-success"></i>Specifications & Visual Asset</h5>
            <div class="row g-3 mb-4">
                <div class="col-md-7">
                    <label for="description" class="form-label small fw-semibold">Product Description</label>
                    <textarea class="form-control @error('description') is-invalid @enderror" id="description" name="description" rows="4">{{ old('description', $product->description) }}</textarea>
                    @error('description')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>

                <div class="col-md-5">
                    @if($product->image_url)
                        <div class="mb-2 d-flex align-items-center gap-3 p-2 border rounded bg-light">
                            <img src="{{ $product->image_url }}" alt="{{ $product->name }}" style="width: 50px; height: 50px; object-fit: cover;" class="rounded border">
                            <div>
                                <small class="text-muted d-block">Current Packaging Image</small>
                                <div class="form-check small mt-1">
                                    <input class="form-check-input" type="checkbox" name="remove_image" id="remove_image" value="1">
                                    <label class="form-check-label text-danger" for="remove_image">Remove Image</label>
                                </div>
                            </div>
                        </div>
                    @endif

                    <label for="image" class="form-label small fw-semibold">Replace Product Image</label>
                    <input type="file" class="form-control @error('image') is-invalid @enderror" id="image" name="image" accept="image/jpeg,image/png,image/jpg,image/webp">
                    @error('image')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror

                    <div class="mt-3">
                        <label for="status" class="form-label small fw-semibold">Status</label>
                        <select class="form-select" id="status" name="status">
                            <option value="active" {{ old('status', $product->status) === 'active' ? 'selected' : '' }}>Active</option>
                            <option value="inactive" {{ old('status', $product->status) === 'inactive' ? 'selected' : '' }}>Inactive</option>
                        </select>
                    </div>
                </div>
            </div>

            <div class="border-top pt-3 d-flex justify-content-end gap-2">
                <a href="{{ route('products.show', $product) }}" class="btn btn-light border">Cancel</a>
                <button type="submit" class="btn btn-agri">
                    <i class="bi bi-check2-circle me-1"></i> Update Product Specifications
                </button>
            </div>
        </form>
    </div>
</div>
@endsection