<?php
  $ini = parse_ini_file("conf.ini", true);
  
  mysql_connect($ini['db']['host'],$ini['db']['user'],$ini['db']['pass']);
  mysql_select_db($ini['db']['db']);

      if ($ini['db']['log']=="1"){
       $arrival_time=microtime(true);
       $filename=basename(__FILE__);
       $filename="log_".$filename.".txt";
       $chunck=strval($arrival_time)." ".$_SERVER['REQUEST_URI']."\r\n";
       file_put_contents($filename,$chunck,FILE_APPEND);
      }

  mysql_set_charset("utf8");

  $user_id=$_REQUEST['u_id'];
  $nick=$_REQUEST['nick'];
  $password=$_REQUEST['password'];
  $message_gcm=$_REQUEST['message'];
  $message=mysql_real_escape_string($message_gcm);
  $user_code_to=$_REQUEST['user_code_to'];
  
  if (!empty($_REQUEST['u_code'])){
	$user_code_from=$_REQUEST['u_code'];
  }
  else{
	$user_code_from=0;
  }
  
  
  $sql=mysql_query("select * from banned where user_id=$user_id");
  if (mysql_num_rows($sql))
  {
	$banned=1;
  }
  else
  {
	$banned=0;
  }

  if($message!=='' && $banned==0 && $user_id<>0)
  {
    if ($user_code_from==0){
		$sql=mysql_query("select ID,user_code from contest_nick where nick='$nick' and pwd='$password' limit 1");
		if (mysql_num_rows($sql))
		{ 
			$user_code_from=mysql_result($sql,0,"user_code");
			$match=1;
		}
		else
		{ 
			$match=0; 
		}
	}
	else{
		$match=1;
	}

	if ($match==1){
		$sql=mysql_query("select last_known_user_id,nick from contest_nick where user_code=$user_code_to limit 1");
	    if (mysql_num_rows($sql))
	    {
			$user_id_to=mysql_result($sql,0,"last_known_user_id");
            $user_nick_to=mysql_result($sql,0,"nick");
			
			$sql=mysql_query("select count(*) as ban_count from personal_ban where user_id_from=$user_id_to and user_id_to=$user_id limit 1");
			$ban_count=mysql_result($sql,0,"ban_count");
			
			if ($ban_count==0){
				if ($user_id_to<>0){
					$sql=mysql_query("insert into personal_chat (user_id_from,user_id_to,nick_from,nick_to,message) values ($user_id,$user_id_to,'$nick','$user_nick_to','$message')");
						 
					$sql=mysql_query("select reg_id from gcm where user_id=$user_id_to limit 1");
					if (mysql_num_rows($sql)){
						$dataArray = array('message'=>$message_gcm,
										   'user_code_from'=>$user_code_from,
										   'user_code_to'=>$user_code_to,
										   'user_nick_from'=>$nick,
										   'user_nick_to'=>$user_nick_to,
										   'type'=>'chat_personal');
					
						$regidArray[0]=mysql_result($sql,0,"reg_id");
						$headers = array( 
								'Authorization: key=AIzaSyAYaXDEapyd-mF9V9LNW1dmuoS-ea9GwWI',
								'Content-Type: application/json');
						$fields = array(
							'registration_ids'  => $regidArray,
							'data'              => $dataArray);				

						$context = stream_context_create(array(
										'http' => array(
										'method' => 'POST',
										'header' => $headers,
										'content' => json_encode($fields))));
						$response = file_get_contents('https://android.googleapis.com/gcm/send', FALSE, $context);
						$response=json_decode($response);
                                          if ($response->success==1)
 						{
							print("ok");
						}
						else
						{
							print("wrong");
						}
					}
					else
					{
						print("usergone");
					}
				}
				else
				{
					print("usergone");
				}
			}
			else
			{
				print("banned");
			}
	    } 
		else
		{
			print("wrong");
		}
	}
	else
	{
		print("wrong");
	}
 }
 else
 {
	print("wrong");
 }
 mysql_close();
?>