@extends('layouts.admin')

@section('title', 'Editar Cupão - Admin')

@section('content')
<div class="d-flex justify-content-between align-items-center mb-4">
    <h1>Editar Cupão</h1>
    <a href="{{ route('admin.coupons.index') }}" class="btn btn-light"><i class="fas fa-arrow-left me-1"></i> Voltar</a>
</div>

<div class="card">
    <div class="card-body p-4">
        <form method="POST" action="{{ route('admin.coupons.update', $coupon->id) }}">
            @csrf
            @method('PUT')

            <div class="row">
                <div class="col-md-6">
                    <div class="mb-3">
                        <label class="form-label">Código do Cupão *</label>
                        <input type="text" class="form-control" name="code" value="{{ $coupon->code }}" required style="text-transform: uppercase;">
                    </div>
                </div>
                <div class="col-md-6">
                    <div class="mb-3">
                        <label class="form-label">Descrição</label>
                        <input type="text" class="form-control" name="description" value="{{ $coupon->description }}">
                    </div>
                </div>
            </div>

            <div class="row">
                <div class="col-md-4">
                    <div class="mb-3">
                        <label class="form-label">Tipo de Desconto *</label>
                        <select class="form-select" name="type" required>
                            <option value="percentage" {{ $coupon->type === 'percentage' ? 'selected' : '' }}>Percentagem (%)</option>
                            <option value="fixed" {{ $coupon->type === 'fixed' ? 'selected' : '' }}>Valor Fixo (€)</option>
                        </select>
                    </div>
                </div>
                <div class="col-md-4">
                    <div class="mb-3">
                        <label class="form-label">Valor do Desconto *</label>
                        <input type="number" step="0.01" class="form-control" name="value" value="{{ $coupon->value }}" required>
                    </div>
                </div>
                <div class="col-md-4">
                    <div class="mb-3">
                        <label class="form-label">Valor Mín. Encomenda</label>
                        <input type="number" step="0.01" class="form-control" name="min_order_value" value="{{ $coupon->min_order_value }}">
                    </div>
                </div>
            </div>

            <div class="row">
                <div class="col-md-4">
                    <div class="mb-3">
                        <label class="form-label">Máximo de Usos</label>
                        <input type="number" class="form-control" name="max_uses" value="{{ $coupon->max_uses }}">
                        <small class="text-muted">Usado: {{ $coupon->used_count }} @if($coupon->max_uses)/ {{ $coupon->max_uses }} @endif</small>
                    </div>
                </div>
                <div class="col-md-4">
                    <div class="mb-3">
                        <label class="form-label">Data de Início</label>
                        <input type="date" class="form-control" name="start_date" value="{{ $coupon->start_date?->format('Y-m-d') }}">
                    </div>
                </div>
                <div class="col-md-4">
                    <div class="mb-3">
                        <label class="form-label">Data de Fim</label>
                        <input type="date" class="form-control" name="end_date" value="{{ $coupon->end_date?->format('Y-m-d') }}">
                    </div>
                </div>
            </div>

            <hr class="my-4">
            <h5 class="section-title"><i class="fas fa-box me-2"></i>Aplicação do Cupão</h5>

            <div class="mb-3">
                <label class="form-label">O cupão aplica-se a:</label>
                <div>
                    <div class="form-check mb-2">
                        <input class="form-check-input" type="radio" name="applies_to" id="applies_all" value="all_products" {{ $coupon->applies_to === 'all_products' ? 'checked' : '' }} onchange="toggleProductSelector()">
                        <label class="form-check-label" for="applies_all">Todos os Produtos</label>
                    </div>
                    <div class="form-check mb-3">
                        <input class="form-check-input" type="radio" name="applies_to" id="applies_specific" value="specific_products" {{ $coupon->applies_to === 'specific_products' ? 'checked' : '' }} onchange="toggleProductSelector()">
                        <label class="form-check-label" for="applies_specific">Produtos Específicos</label>
                    </div>
                </div>
            </div>

            <div class="mb-3" id="product_selector" style="display: {{ $coupon->applies_to === 'specific_products' ? 'block' : 'none' }};">
                <label class="form-label">Selecionar Produtos *</label>
                <div style="max-height: 300px; overflow-y: auto; border: 2px solid #e5e7eb; border-radius: 8px; padding: 12px;">
                    <input type="text" id="product_search" class="form-control mb-2" placeholder="Pesquisar produtos..." oninput="filterProducts()">
                    @foreach($products as $product)
                    <div class="form-check product-item" data-name="{{ strtolower($product->name) }}">
                        <input class="form-check-input" type="checkbox" name="product_ids[]" value="{{ $product->id }}" id="product_{{ $product->id }}" {{ $coupon->products->contains($product->id) ? 'checked' : '' }}>
                        <label class="form-check-label" for="product_{{ $product->id }}">
                            {{ $product->name }} - {{ number_format($product->price, 2) }}€
                        </label>
                    </div>
                    @endforeach
                </div>
                <small class="text-muted">Selecione os produtos que podem usar este cupão</small>
            </div>

            <div class="mb-3">
                <div class="form-check">
                    <input class="form-check-input" type="hidden" name="is_active" value="0">
                    <input class="form-check-input" type="checkbox" name="is_active" id="is_active" value="1" {{ $coupon->is_active ? 'checked' : '' }}>
                    <label class="form-check-label" for="is_active">Cupão Ativo</label>
                </div>
            </div>

            <div class="d-flex justify-content-between mt-4">
                <a href="{{ route('admin.coupons.index') }}" class="btn btn-secondary">Cancelar</a>
                <button type="submit" class="btn btn-primary"><i class="fas fa-save me-2"></i>Guardar Alterações</button>
            </div>
        </form>
    </div>
</div>

<script>
    function toggleProductSelector() {
        const specific = document.getElementById('applies_specific').checked;
        document.getElementById('product_selector').style.display = specific ? 'block' : 'none';
    }

    function filterProducts() {
        const query = document.getElementById('product_search').value.toLowerCase();
        document.querySelectorAll('.product-item').forEach(item => {
            const name = item.getAttribute('data-name');
            item.style.display = name.includes(query) ? 'block' : 'none';
        });
    }
</script>
@endsection