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1<?php
2namespace Controllers;
3
4require_once __DIR__ . '/../Models/Cart.php';
5require_once __DIR__ . '/../Models/Product.php';
6
7use Models\Cart;
8use Models\Product;
9
10class ProductController {
11    private $conn;
12
13    public function __construct($conn) {
14        $this->conn = $conn;
15    }
16
17    public function getLatestProducts($limit = 6) {
18        try {
19            $query = "SELECT * FROM products LIMIT :limit";
20            $stmt = $this->conn->prepare($query);
21            $stmt->bindValue(':limit', $limit, \PDO::PARAM_INT);
22            $stmt->execute();
23            
24            $products = [];
25            foreach($stmt->fetchAll(\PDO::FETCH_ASSOC) as $row) {
26                $product = new Product();
27                $product->setId($row['id']);
28                $product->setName($row['name']);
29                $product->setPrice($row['price']);
30                $product->setImage($row['image']);
31                $products[] = $product;
32            }
33            return $products;
34        } catch (\Exception $e) {
35            error_log("Error al obtener productos: " . $e->getMessage());
36            return [];
37        }
38    }
39
40    public function addToCart($userId, $productData) {
41        try {
42            $cart = new Cart();
43            $cart->setUserId($userId);
44            $cart->setName($productData['product_name']);
45            $cart->setPrice($productData['product_price']);
46            $cart->setQuantity($productData['product_quantity']);
47            $cart->setImage($productData['product_image']);
48            
49            // Verificar si el producto ya está en el carrito
50            $stmt = $this->conn->prepare("SELECT * FROM cart WHERE user_id = ? AND name = ?");
51            $stmt->execute([$userId, $cart->getName()]);
52            
53            if($stmt->rowCount() > 0) {
54                return ['success' => false, 'message' => 'El producto ya está en el carrito'];
55            }
56
57            // Añadir al carrito
58            $query = "INSERT INTO cart (user_id, name, price, quantity, image) 
59                     VALUES (?, ?, ?, ?, ?)";
60            $stmt = $this->conn->prepare($query);
61            
62            $stmt->execute([
63                $cart->getUserId(),
64                $cart->getName(),
65                $cart->getPrice(),
66                $cart->getQuantity(),
67                $cart->getImage()
68            ]);
69            
70            return ['success' => true, 'message' => 'Producto añadido al carrito'];
71        } catch (\Exception $e) {
72            error_log("Error al añadir al carrito: " . $e->getMessage());
73            return ['success' => false, 'message' => 'Error al añadir al carrito'];
74        }
75    }
76
77    public function getAllProducts() {
78        try {
79            $query = "SELECT * FROM products";
80            $stmt = $this->conn->prepare($query);
81            $stmt->execute();
82            
83            $products = [];
84            foreach($stmt->fetchAll(\PDO::FETCH_ASSOC) as $row) {
85                $product = new Product();
86                $product->setId($row['id']);
87                $product->setName($row['name']);
88                $product->setPrice($row['price']);
89                $product->setImage($row['image']);
90                $products[] = $product;
91            }
92            return $products;
93        } catch (\Exception $e) {
94            error_log("Error al obtener todos los productos: " . $e->getMessage());
95            return [];
96        }
97    }
98
99    public function getCartItems($userId) {
100        try {
101            $query = "SELECT * FROM cart WHERE user_id = ?";
102            $stmt = $this->conn->prepare($query);
103            $stmt->execute([$userId]);
104            return $stmt->fetchAll(\PDO::FETCH_ASSOC);
105        } catch (\Exception $e) {
106            error_log("Error al obtener items del carrito: " . $e->getMessage());
107            return [];
108        }
109    }
110
111    public function updateCartQuantity($cartId, $quantity) {
112        try {
113            $query = "UPDATE cart SET quantity = ? WHERE id = ?";
114            $stmt = $this->conn->prepare($query);
115            $stmt->execute([$quantity, $cartId]);
116            return ['success' => true, 'message' => '¡Cantidad actualizada!'];
117        } catch (\Exception $e) {
118            error_log("Error al actualizar cantidad: " . $e->getMessage());
119            return ['success' => false, 'message' => 'Error al actualizar cantidad'];
120        }
121    }
122
123    public function deleteCartItem($cartId) {
124        try {
125            $query = "DELETE FROM cart WHERE id = ?";
126            $stmt = $this->conn->prepare($query);
127            $stmt->execute([$cartId]);
128            return true;
129        } catch (\Exception $e) {
130            error_log("Error al eliminar item: " . $e->getMessage());
131            return false;
132        }
133    }
134
135    public function deleteAllCartItems($userId) {
136        try {
137            $query = "DELETE FROM cart WHERE user_id = ?";
138            $stmt = $this->conn->prepare($query);
139            $stmt->execute([$userId]);
140            return true;
141        } catch (\Exception $e) {
142            error_log("Error al eliminar todos los items: " . $e->getMessage());
143            return false;
144        }
145    }
146}