<?php 
include('includes/config/config.php');
$itemId = $_REQUEST['item_id'];

function getStock($itemId){

    $query = "select a.item_id,  b.stock_qty,b.expiry_date, a.unit_id from  tbl_items a left join item_stock b on a.item_id = b.item_id where a.item_id = '".$itemId."' and a.is_group_item = 'N' and b.ohc_type_id = '".$_SESSION['current_ohcttype']."'  and stock_qty > 0 and item_batch_no!='' ";
error_log("query for available medicine : ".$query);
if (!$result = @mysqli_query($GLOBALS['conn'],$query)) {
    die(mysqli_error($GLOBALS['conn']));
}
$qty=0;
if(mysqli_num_rows($result) > 0) {
    
    while ($row = @mysqli_fetch_assoc($result)) {


        if($row['expiry_date']!="0000-00-00" && $row['expiry_date']!="" && $row['expiry_date']!=null){
            $date= date('Y-m-d', strtotime($row['expiry_date'])) ;
            $date_today= date("Y-m-d");
            
            
            // error_log($date_today." pp ".$date);
        if($date>=$date_today){
            $qty+=$row["stock_qty"];
        }
        }else{
            $qty+=$row["stock_qty"];
        }
        
    }

  return $qty;
}
}

$query = "select i.item_name, i.item_form_id, d.item_batch_no, i.is_prescription, i.unit_id, i.item_id from tbl_items i inner join item_stock d on i.item_id = d.item_id where d.expiry_date>=CURDATE() and d.item_batch_no!='' and d.ohc_type_id ='".$_SESSION['current_ohcttype']."' and i.item_id = '".$itemId."'  and stock_qty > 0";
error_log("str availabe_qty".$query);
  
if (!$result = @mysqli_query($conn,$query)) {
            die(mysqli_error($conn));
        }
	$data = array();
	if(mysqli_num_rows($result) > 0) {
        while ($row = mysqli_fetch_assoc($result)) {
            ////
           $row['current_stock_level'] =getStock($itemId);          
            $data = $row;
        }
    }
	 else
    {
        $data['status'] = 200;
        $data['message'] = "Data not found!";
    }


 echo json_encode($data);
?>