<?php
header('Content-Type: application/json');
require_once 'db/config.php';

$response = ['success' => false, 'message' => 'ID de producto no proporcionado.'];

if (isset($_GET['id'])) {
    $product_id = filter_input(INPUT_GET, 'id', FILTER_VALIDATE_INT);

    if ($product_id) {
        try {
            $pdo = db();
            $stmt = $pdo->prepare("SELECT id, nombre, sku FROM products WHERE id = :id");
            $stmt->execute(['id' => $product_id]);
            $product = $stmt->fetch(PDO::FETCH_ASSOC);

            if ($product) {
                $response = ['success' => true, 'product' => $product];
            } else {
                $response['message'] = 'Producto no encontrado.';
            }
        } catch (PDOException $e) {
            $response['message'] = 'Error en la base de datos: ' . $e->getMessage();
        }
    } else {
        $response['message'] = 'ID de producto inválido.';
    }
}

echo json_encode($response);
?>