<?php

include "general.php";
include "connect.php";


if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
    header('Access-Control-Allow-Origin : *');
    header('Access-Control-Allow-Methods : POST, GET, OPTIONS, PUT, DELETE');
    header('Access-Control-Allow-Headers : *');
    exit;
}


$email_u=$_POST["email_u"];
$email_f=$_POST["email_f"];
$domain =$_POST["domain"];

//check if there is unread message  from
 $query= "select message_count_u from penpalfriends where email_u ='$email_u' and email_f = '$email_f'";
 $myresponse =getQuery1($query); 

if($myresponse !="#"){

  $query = "update penpalfriends set message_count_u ='0'  where email_u ='$email_u' and email_f = '$email_f'";   
  $queryresponse = updateQuery($query);

  $query = "update penpalchat set messageread ='2'  where (email_u ='$email_u' and email_f = '$email_f' and sentby='$email_f' and messageread='1') or (email_u ='$email_f' and email_f = '$email_u' and sentby='$email_f' and messageread='1')";   
  $queryresponse = updateQuery($query);  
  echo "1";
  die();
}
 


//let's do the reverse

$query= "select message_count_u from penpalfriends where email_u ='$email_f' and email_f = '$email_u'";
$myresponse =getQuery1($query); 
//echo $query;

if($myresponse !="#"){

 $query = "update penpalfriends set message_count_f ='0'  where email_u ='$email_f' and email_f = '$email_u'";
 $queryresponse = updateQuery($query);
// echo $query;

 $query = "update penpalchat set messageread ='2'  where (email_u ='$email_u' and email_f = '$email_f' and sentby='$email_f' and messageread='1') or (email_u ='$email_f' and email_f = '$email_u' and sentby='$email_f' and messageread='1')";   
 $queryresponse = updateQuery($query);  
 //echo $query;
 echo "2";
 die();
}

echo "0";
?>