<?php include'includes/db-conn.inc.php';
if(isset($_SESSION['rand']))
  {
      $cartkey = $_SESSION['rand'];
      // echo "<script>alert($cartkey);</script>";
    }
    else
    {
      if(isset($_SESSION['customer_email']))
      {
            $customerid = $_SESSION['customer_id'];
            $sqls=mysqli_query($conn,"select * from tbl_order where customer_id='$customerid' and cart_status='0' ") or die(mysqli_query($conn));
            $rows =mysqli_fetch_assoc($sqls);
           $cartkey = $rows['order_id'];
       }
       else{
        $cartkey = "0";
       }

    }

   $sqlc=mysqli_query($conn,"select * from tbl_order_details where order_id='$cartkey'") or die(mysqli_query($conn));

$coupon_str= mysqli_real_escape_string($conn,$_POST['coupon_str']);
 //echo $coupon_str;

$coupondetails=mysqli_query($conn,"select * from tbl_coupon_master where coupon_code='$coupon_str' and status='1'") or die(mysqli_query($conn));

$count=mysqli_num_rows($coupondetails);
    $jsonArr=array();
  if($count>0)
    {

        $data = mysqli_fetch_assoc($coupondetails);
          $coupon_code = $data['coupon_code'];
         $coupon_value = $data['coupon_value'];
         $cart_min_value = $data['cart_min_value'];
    
        $total = 0;
        // $shippingcharge =0;
        while($rowc = mysqli_fetch_assoc($sqlc)){
        $total += ($rowc['price'] * $rowc['quanitity']);
        "Rs. ".$rowc['price'] * $rowc['quanitity']; 
        // $shippingcharge +=$rowc['shipping'];
        }

        if($total>499){
            $shipping =0;
            }else if($total<499 && $total>1){
              $shipping =60;
            }
            else {
               $shipping =0;
                 }

             $totalamount=$total+$shipping;

             if ($cart_min_value>$totalamount) {
              $jsonArr=array('is_error'=>'yes','result'=>'Coupon Code valid upto order '.$cart_min_value,'totalamount'=>$totalamount);
              // echo "less Total";
             }
             else{
                 $finalprice=$totalamount-$coupon_value;
      $jsonArr=array('is_error'=>'no','result'=>'₹ '.$finalprice,'couponvalue'=>'₹ -'.$coupon_value,'couponcode'=>$coupon_code,'totalamount'=>'₹ '.$totalamount,'message'=>'Promo Code Applied.');

             }
   


        
    
    }
else{

    // echo "result not found";
    
    $jsonArr=array('is_error'=>'yes','result'=>'Promo Code not found.');
   



}   

echo json_encode($jsonArr);

 ?>