false, 'message' => 'Please enter a code.']);
exit;
}
try {
$stmt = $pdo->prepare("SELECT * FROM coupons WHERE code = ? AND status = 1");
$stmt->execute([$code]);
$coupon = $stmt->fetch(PDO::FETCH_ASSOC);
if($coupon) {
$discount = 0;
if($coupon['discount_type'] == 'fixed') {
$discount = $coupon['discount_value'];
} else {
// Percentage Calculation
$discount = ($cartTotal * $coupon['discount_value']) / 100;
}
// Discount total se zyada na ho
if($discount > $cartTotal) $discount = $cartTotal;
$newTotal = $cartTotal - $discount;
echo json_encode([
'success' => true,
'discount' => round($discount, 2),
'new_total' => round($newTotal, 2),
'message' => 'Coupon Applied Successfully!'
]);
} else {
echo json_encode(['success' => false, 'message' => 'Invalid or Expired Coupon.']);
}
} catch (Exception $e) {
echo json_encode(['success' => false, 'message' => 'Server Error: ' . $e->getMessage()]);
}
?>