@extends('layouts.app')

@section('title', isset($product) ? 'Editar Produto' : 'Novo Produto')

@section('content')
<div class="page-header">
    <div>
        <h1 class="page-title">{{ isset($product) ? 'Editar Produto' : 'Novo Produto' }}</h1>
        <p class="page-subtitle">Preencha os dados do produto ou serviço</p>
    </div>
    <a href="{{ route('products.index') }}" class="btn btn-ghost">← Voltar</a>
</div>

<form method="POST" action="{{ isset($product) ? route('products.update', $product) : route('products.store') }}">
    @csrf
    @if(isset($product)) @method('PUT') @endif

    <div style="display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;">

        {{-- Identificação --}}
        <div class="card">
            <div class="card-header"><h3 class="card-title">Identificação</h3></div>
            <div class="card-body form-grid">
                <div class="form-group" style="grid-column:span 2;">
                    <label class="form-label">Nome do Produto *</label>
                    <input type="text" name="name" class="form-control @error('name') is-invalid @enderror" value="{{ old('name', $product->name ?? '') }}" required>
                    @error('name')<span class="invalid-feedback">{{ $message }}</span>@enderror
                </div>
                <div class="form-group">
                    <label class="form-label">Nome Curto (PDV)</label>
                    <input type="text" name="name_short" class="form-control" value="{{ old('name_short', $product->name_short ?? '') }}" maxlength="60">
                </div>
                <div class="form-group">
                    <label class="form-label">Tipo *</label>
                    <select name="type" class="form-control">
                        <option value="product" @selected(old('type', $product->type ?? 'product') === 'product')>Produto</option>
                        <option value="service" @selected(old('type', $product->type ?? '') === 'service')>Serviço</option>
                        <option value="kit"     @selected(old('type', $product->type ?? '') === 'kit')>Kit</option>
                    </select>
                </div>
                <div class="form-group">
                    <label class="form-label">Código</label>
                    <input type="text" name="code" class="form-control" value="{{ old('code', $product->code ?? '') }}" maxlength="60">
                </div>
                <div class="form-group">
                    <label class="form-label">Código de Barras</label>
                    <input type="text" name="barcode" class="form-control" value="{{ old('barcode', $product->barcode ?? '') }}" maxlength="60">
                </div>
                <div class="form-group">
                    <label class="form-label">SKU</label>
                    <input type="text" name="sku" class="form-control" value="{{ old('sku', $product->sku ?? '') }}" maxlength="60">
                </div>
                <div class="form-group">
                    <label class="form-label">Referência</label>
                    <input type="text" name="reference" class="form-control" value="{{ old('reference', $product->reference ?? '') }}" maxlength="60">
                </div>
                <div class="form-group">
                    <label class="form-label">Categoria</label>
                    <select name="category_id" class="form-control">
                        <option value="">Sem categoria</option>
                        @foreach($categories as $cat)
                            <option value="{{ $cat->id }}" @selected(old('category_id', $product->category_id ?? '') == $cat->id)>{{ $cat->name }}</option>
                        @endforeach
                    </select>
                </div>
                <div class="form-group">
                    <label class="form-label">Marca</label>
                    <select name="brand_id" class="form-control">
                        <option value="">Sem marca</option>
                        @foreach($brands as $brand)
                            <option value="{{ $brand->id }}" @selected(old('brand_id', $product->brand_id ?? '') == $brand->id)>{{ $brand->name }}</option>
                        @endforeach
                    </select>
                </div>
                <div class="form-group" style="grid-column:span 2;">
                    <label class="form-label">Descrição</label>
                    <textarea name="description" class="form-control" rows="3">{{ old('description', $product->description ?? '') }}</textarea>
                </div>
                <div class="form-group">
                    <label class="form-label" style="display:flex;align-items:center;gap:.5rem;">
                        <input type="hidden" name="is_active" value="0">
                        <input type="checkbox" name="is_active" value="1" @checked(old('is_active', $product->is_active ?? true))>
                        Produto ativo
                    </label>
                </div>
            </div>
        </div>

        {{-- Preços e Unidade --}}
        <div style="display:flex;flex-direction:column;gap:1.5rem;">
            <div class="card">
                <div class="card-header"><h3 class="card-title">Preços e Unidade</h3></div>
                <div class="card-body form-grid">
                    <div class="form-group">
                        <label class="form-label">Unidade *</label>
                        <select name="unit" class="form-control">
                            @foreach(['UN','PC','KG','G','L','ML','M','M2','M3','CX','DZ','PAR','PT'] as $u)
                                <option value="{{ $u }}" @selected(old('unit', $product->unit ?? 'UN') === $u)>{{ $u }}</option>
                            @endforeach
                        </select>
                    </div>
                    <div class="form-group">
                        <label class="form-label">Unidade Fiscal</label>
                        <input type="text" name="unit_tax" class="form-control" value="{{ old('unit_tax', $product->unit_tax ?? '') }}" maxlength="6">
                    </div>
                    <div class="form-group">
                        <label class="form-label">Custo (R$)</label>
                        <input type="number" name="price_cost" class="form-control" step="0.0001" min="0" value="{{ old('price_cost', $product->price_cost ?? '') }}">
                    </div>
                    <div class="form-group">
                        <label class="form-label">Preço Venda (R$) *</label>
                        <input type="number" name="price_sale" class="form-control" step="0.0001" min="0" value="{{ old('price_sale', $product->price_sale ?? '') }}" required>
                    </div>
                    <div class="form-group">
                        <label class="form-label">Preço Mínimo (R$)</label>
                        <input type="number" name="price_min" class="form-control" step="0.0001" min="0" value="{{ old('price_min', $product->price_min ?? '') }}">
                    </div>
                    <div class="form-group">
                        <label class="form-label">Preço Máximo (R$)</label>
                        <input type="number" name="markup" class="form-control" step="0.01" min="0" value="{{ old('markup', $product->markup ?? '') }}" placeholder="Margem %">
                    </div>
                </div>
            </div>

            {{-- Estoque --}}
            <div class="card">
                <div class="card-header"><h3 class="card-title">Controle de Estoque</h3></div>
                <div class="card-body form-grid">
                    <div class="form-group" style="grid-column:span 2;">
                        <label class="form-label" style="display:flex;align-items:center;gap:.5rem;">
                            <input type="hidden" name="manage_stock" value="0">
                            <input type="checkbox" name="manage_stock" value="1" id="manage_stock" @checked(old('manage_stock', $product->manage_stock ?? true))>
                            Controlar estoque deste produto
                        </label>
                    </div>
                    <div class="form-group">
                        <label class="form-label">Qtd. Atual</label>
                        <input type="number" name="stock_current" class="form-control" step="0.0001" value="{{ old('stock_current', $product->stock_current ?? 0) }}" {{ isset($product) ? 'disabled' : '' }}>
                        @if(isset($product)) <small class="text-muted">Ajuste via movimentações de estoque</small> @endif
                    </div>
                    <div class="form-group">
                        <label class="form-label">Estoque Mínimo</label>
                        <input type="number" name="stock_min" class="form-control" step="0.0001" min="0" value="{{ old('stock_min', $product->stock_min ?? '') }}">
                    </div>
                    <div class="form-group">
                        <label class="form-label">Estoque Máximo</label>
                        <input type="number" name="stock_max" class="form-control" step="0.0001" min="0" value="{{ old('stock_max', $product->stock_max ?? '') }}">
                    </div>
                </div>
            </div>
        </div>
    </div>

    {{-- Tributação --}}
    <div class="card" style="margin-top:1.5rem;">
        <div class="card-header"><h3 class="card-title">Dados Fiscais e Tributação</h3></div>
        <div class="card-body form-grid" style="grid-template-columns:repeat(4,1fr);">
            <div class="form-group">
                <label class="form-label">NCM</label>
                <input type="text" name="ncm" class="form-control" value="{{ old('ncm', $product->taxes?->ncm ?? '') }}" maxlength="10">
            </div>
            <div class="form-group">
                <label class="form-label">CEST</label>
                <input type="text" name="cest" class="form-control" value="{{ old('cest', $product->taxes?->cest ?? '') }}" maxlength="7">
            </div>
            <div class="form-group">
                <label class="form-label">Origem</label>
                <select name="origin" class="form-control">
                    <option value="0" @selected(old('origin', $product->taxes?->origin ?? '0') === '0')>0 – Nacional</option>
                    <option value="1" @selected(old('origin', $product->taxes?->origin ?? '') === '1')>1 – Estrangeira (import. direta)</option>
                    <option value="2" @selected(old('origin', $product->taxes?->origin ?? '') === '2')>2 – Estrangeira (merc. interno)</option>
                    <option value="3" @selected(old('origin', $product->taxes?->origin ?? '') === '3')>3 – Nacional c/ + 40% conteúdo externo</option>
                    <option value="4" @selected(old('origin', $product->taxes?->origin ?? '') === '4')>4 – Nacional (proc. básicos)</option>
                    <option value="5" @selected(old('origin', $product->taxes?->origin ?? '') === '5')>5 – Nacional c/ ≤ 40% conteúdo externo</option>
                </select>
            </div>
            <div class="form-group">
                <label class="form-label">CST ICMS / CSOSN</label>
                <input type="text" name="cst_icms" class="form-control" value="{{ old('cst_icms', $product->taxes?->cst_icms ?? '') }}" maxlength="3" placeholder="ex: 400">
            </div>
            <div class="form-group">
                <label class="form-label">Alíquota ICMS (%)</label>
                <input type="number" name="aliquota_icms" class="form-control" step="0.0001" min="0" max="100" value="{{ old('aliquota_icms', $product->taxes?->aliquota_icms ?? '') }}">
            </div>
            <div class="form-group">
                <label class="form-label">CST PIS</label>
                <input type="text" name="cst_pis" class="form-control" value="{{ old('cst_pis', $product->taxes?->cst_pis ?? '') }}" maxlength="3">
            </div>
            <div class="form-group">
                <label class="form-label">Alíquota PIS (%)</label>
                <input type="number" name="aliquota_pis" class="form-control" step="0.0001" min="0" value="{{ old('aliquota_pis', $product->taxes?->aliquota_pis ?? '') }}">
            </div>
            <div class="form-group">
                <label class="form-label">CST COFINS</label>
                <input type="text" name="cst_cofins" class="form-control" value="{{ old('cst_cofins', $product->taxes?->cst_cofins ?? '') }}" maxlength="3">
            </div>
            <div class="form-group">
                <label class="form-label">Alíquota COFINS (%)</label>
                <input type="number" name="aliquota_cofins" class="form-control" step="0.0001" min="0" value="{{ old('aliquota_cofins', $product->taxes?->aliquota_cofins ?? '') }}">
            </div>
            <div class="form-group">
                <label class="form-label">Alíquota IPI (%)</label>
                <input type="number" name="aliquota_ipi" class="form-control" step="0.0001" min="0" value="{{ old('aliquota_ipi', $product->taxes?->aliquota_ipi ?? '') }}">
            </div>
            <div class="form-group">
                <label class="form-label">ISS (%) – Serviços</label>
                <input type="number" name="iss_percent" class="form-control" step="0.0001" min="0" value="{{ old('iss_percent', $product->taxes?->iss_percent ?? '') }}">
            </div>
            <div class="form-group">
                <label class="form-label">Código Serviço LC 116</label>
                <input type="text" name="codigo_servico" class="form-control" value="{{ old('codigo_servico', $product->taxes?->codigo_servico ?? '') }}" maxlength="10">
            </div>
        </div>
    </div>

    <div style="margin-top:1.5rem;display:flex;justify-content:flex-end;gap:1rem;">
        <a href="{{ route('products.index') }}" class="btn btn-ghost">Cancelar</a>
        <button type="submit" class="btn btn-primary">{{ isset($product) ? 'Salvar Alterações' : 'Cadastrar Produto' }}</button>
    </div>
</form>
@endsection