<div class="container py-4">
    <!-- Breadcrumb -->
    <nav aria-label="breadcrumb" class="mb-4">
        <ol class="breadcrumb">
            <li class="breadcrumb-item"><a href="<?= APP_URL ?>" class="text-decoration-none">หน้าแรก</a></li>
            <li class="breadcrumb-item active">สินค้าทั้งหมด</li>
        </ol>
    </nav>

    <div class="row g-4">
        <!-- Sidebar Filter -->
        <div class="col-lg-3">
            <div class="card border-0 shadow-sm rounded-3 p-3">
                <h5 class="fw-bold mb-3"><i class="bi bi-funnel-fill text-primary me-2"></i>กรองสินค้า</h5>
                
                <form action="<?= APP_URL ?>/products" method="GET">
                    <?php if (!empty($query)): ?>
                        <input type="hidden" name="q" value="<?= Security::e($query) ?>">
                    <?php endif; ?>

                    <div class="mb-3">
                        <label class="form-label font-semibold">หมวดหมู่</label>
                        <select name="category" class="form-select" onchange="this.form.submit()">
                            <option value="0">ทุกหมวดหมู่</option>
                            <?php foreach ($categories as $cat): ?>
                                <option value="<?= $cat['id'] ?>" <?= $currentCat == $cat['id'] ? 'selected' : '' ?>>
                                    <?= Security::e($cat['name']) ?>
                                </option>
                            <?php endforeach; ?>
                        </select>
                    </div>

                    <div class="mb-3">
                        <label class="form-label font-semibold">เรียงตาม</label>
                        <select name="sort" class="form-select" onchange="this.form.submit()">
                            <option value="latest" <?= $sort === 'latest' ? 'selected' : '' ?>>มาใหม่ล่าสุด</option>
                            <option value="price_asc" <?= $sort === 'price_asc' ? 'selected' : '' ?>>ราคาต่ำไปสูง</option>
                            <option value="price_desc" <?= $sort === 'price_desc' ? 'selected' : '' ?>>ราคาสูงไปต่ำ</option>
                        </select>
                    </div>

                    <a href="<?= APP_URL ?>/products" class="btn btn-outline-secondary btn-sm w-100 rounded-pill">ล้างค่ากรอง</a>
                </form>
            </div>
        </div>

        <!-- Product Grid -->
        <div class="col-lg-9">
            <div class="d-flex justify-content-between align-items-center mb-3">
                <h5 class="fw-bold m-0">ผลลัพธ์การค้นหา (<?= count($products) ?> รายการ)</h5>
            </div>

            <?php if (empty($products)): ?>
                <div class="card border-0 shadow-sm p-5 text-center">
                    <i class="bi bi-inbox text-muted display-1 mb-3"></i>
                    <h5>ไม่พบสินค้าที่คุณกำลังค้นหา</h5>
                    <p class="text-muted">ลองค้นหาด้วยคำอื่น หรือเลือกหมวดใหม่อีกครั้ง</p>
                </div>
            <?php else: ?>
                <div class="row g-4">
                    <?php foreach ($products as $prod): ?>
                        <div class="col-6 col-md-4">
                            <div class="card border-0 shadow-sm h-100 product-card">
                                <div class="product-img-wrapper">
                                    <?php if ($prod['sale_price']): ?>
                                        <span class="badge bg-danger badge-sale">ลดราคา</span>
                                    <?php endif; ?>
                                    <?php 
                                        $imgSrc = !empty($prod['primary_image']) ? APP_URL . '/public/' . ltrim($prod['primary_image'], '/') : APP_URL . '/public/assets/images/sample-headphone.jpg';
                                    ?>
                                    <a href="<?= APP_URL ?>/product/<?= $prod['slug'] ?>">
                                        <img src="<?= $imgSrc ?>" alt="<?= Security::e($prod['title']) ?>" class="card-img-top" onerror="this.src='<?= APP_URL ?>/public/assets/images/sample-headphone.jpg'">
                                    </a>
                                </div>
                                <div class="card-body d-flex flex-column">
                                    <span class="text-secondary small mb-1"><?= Security::e($prod['category_name']) ?></span>
                                    <h6 class="card-title fw-bold text-truncate mb-2">
                                        <a href="<?= APP_URL ?>/product/<?= $prod['slug'] ?>" class="text-decoration-none text-dark"><?= Security::e($prod['title']) ?></a>
                                    </h6>
                                    <div class="small text-muted mb-2">
                                        <i class="bi bi-shop me-1 text-primary"></i>
                                        <a href="<?= APP_URL ?>/store/<?= Security::e($prod['shop_slug']) ?>" class="text-decoration-none text-muted hover-primary fw-semibold"><?= Security::e($prod['shop_name']) ?></a>
                                    </div>
                                    
                                    <div class="mt-auto d-flex align-items-center justify-content-between">
                                        <div>
                                            <?php if ($prod['sale_price']): ?>
                                                <span class="fw-bold text-danger fs-5">฿<?= number_format($prod['sale_price'], 2) ?></span>
                                                <span class="text-decoration-line-through text-muted small ms-1">฿<?= number_format($prod['price'], 2) ?></span>
                                            <?php else: ?>
                                                <span class="fw-bold text-primary fs-5">฿<?= number_format($prod['price'], 2) ?></span>
                                            <?php endif; ?>
                                        </div>
                                        <div class="d-flex gap-1">
                                            <form action="<?= APP_URL ?>/cart/add" method="POST" class="d-inline ajax-cart-form">
                                                <input type="hidden" name="csrf_token" value="<?= $csrf_token ?>">
                                                <input type="hidden" name="product_id" value="<?= $prod['id'] ?>">
                                                <input type="hidden" name="quantity" value="1">
                                                <button type="submit" class="btn btn-outline-warning btn-sm rounded-circle" title="ใส่ตะกร้า"><i class="bi bi-cart-plus"></i></button>
                                            </form>
                                            <a href="<?= APP_URL ?>/product/<?= $prod['slug'] ?>" class="btn btn-primary btn-sm rounded-circle" title="ดูรายละเอียด / สั่งซื้อ"><i class="bi bi-bag-check"></i></a>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </div>
                    <?php endforeach; ?>
                </div>
            <?php endif; ?>
        </div>
    </div>
</div>
