<?php
	class Functions{
		
		
		function CallVoipConnect($params){
                    // se for um ramal.
                    
                    if($params['typePhone'] == 'ramal'){
                            isset($_SESSION['phpgw_info']['user']['preferences']['expressoMail']['telephone_number']) ? $fromNumber = $_SESSION['phpgw_info']['user']['preferences']['expressoMail']['telephone_number']: $fromNumber = $_SESSION['phpgw_info']['user']['preferences']['contactcenter']['telephone_number'] ;
                            //return ":".$this->verifica_sip().":".$_SESSION['phpgw_info']['user']['preferences']['expressoMail']['SIP'];
                            if ($fromNumber == $params['to']){
                                    return $this->getLang("You can't call yourself");
                                    }

                            if (preg_match('/^\([0-9]{2}\)[0-9]{4}\-[0-9]{4}$/',$fromNumber) == 0){
                                    return $this->getLang("you extension number is incorect");
                                    }

                            if (preg_match('/^\([0-9]{2}\)[0-9]{4}\-[0-9]{4}$/',$params['to']) == 0){
                                    return $this->getLang("The extension ".$params['to']." is incorrect.");
                                    }
                            if ($this->verifica_sip()){
                               $tipo="sip";
                               $fromNumber = substr($_SESSION['phpgw_info']['user']['preferences']['expressoMail']['telephone_number'],1,2).$_SESSION['phpgw_info']['user']['preferences']['expressoMail']['SIP'];
                            }else{
                               $tipo="ramal";
                               $fromNumber = substr($fromNumber,1,2).substr($fromNumber,strlen($fromNumber) - 4, strlen($fromNumber) - 1);
                            }
                            $toNumber	= $params['to'] ? substr($params['to'],1,2).substr($params['to'],strlen($params['to']) - 4, strlen($params['to']) - 1) : 0;
                            //return $fromNumber.$toNumber;
                            }

                            //se convencional
                    if($params['typePhone'] == 'com'){
                            $fromNumber = $_SESSION['phpgw_info']['user']['preferences']['expressoMail']['telephone_number'];
                            if(!$fromNumber)
                                    return false;
                            $fromNumber = substr($fromNumber,strlen($fromNumber) - 4, strlen($fromNumber) - 1);
                            $toNumber	= $params['to'] ? substr($params['to'],strlen($params['to']) - 4, strlen($params['to']) - 1) : 0;

                                 }

                    // Se for celular, passa os digitos do n�mero e conecta com outro VoIP Server.....
                    if($params['typePhone'] == 'mob'){
                            $toNumber	= $params['to'];

                    }
                    
                    
                    $url = "&acao=liga&tipo=".$tipo."&ramal=".$fromNumber."&numero=".$toNumber;
                    
                    $resp = $this->connectVoip($url);
                    
                    return $this->getLang("Calling extension: ").$resp;
		}
                function set_followme($params){
                    $ramal = $_SESSION['phpgw_info']['user']['preferences']['expressoMail']['telephone_number'];
                    $ramal = substr($ramal,1,2).substr($ramal,strlen($ramal) - 4, strlen($ramal) - 1);
                    $url="&acao=set_followme&ramal=".$ramal.'&siga='.$params['follow'];
                    $resp = $this->connectVoip($url);
                    return $resp;
                }
                 function get_followme($params){
                    $ramal = $_SESSION['phpgw_info']['user']['preferences']['expressoMail']['telephone_number'];
                    $ramal = substr($ramal,1,2).substr($ramal,strlen($ramal) - 4, strlen($ramal) - 1);
                    $url="&acao=get_followme&ramal=".$ramal;
                    $resp = $this->connectVoip($url);
                    if(trim($resp) == "FALSE")
                        return FALSE;
                    $telefones = unserialize($resp);
                                         
                    foreach($telefones as $tel)
                    {
                        $Ultimosquatro = substr($tel,-4);
                        if($Ultimosquatro == substr($_SESSION['phpgw_info']['user']['preferences']['expressoMail']['telephone_number'],-4))
                            $resposta['exten'] = $tel;
                         elseif($Ultimosquatro == substr($_SESSION['phpgw_info']['user']['preferences']['expressoMail']['mobile'],-4))
                            $resposta['mobile'] = $tel;
                         elseif($tel == $_SESSION['phpgw_info']['user']['preferences']['expressoMail']['SIP'])
                            $resposta['sip'] = $tel;
                         else
                            $resposta['other'] = $tel;
                    }
                    return $resposta;
                    
                }

                function verifica_sip(){
                    if(isset($_SESSION['phpgw_info']['user']['preferences']['expressoMail']['SIP'])){
                            $ramal = substr($_SESSION['phpgw_info']['user']['preferences']['expressoMail']['telephone_number'],1,2).$_SESSION['phpgw_info']['user']['preferences']['expressoMail']['SIP'];
                    $url="&acao=verifica_sip&ramal=".$ramal;
                    $resp = $this->connectVoip($url);
                    if(trim($resp) == "true")
                      return TRUE;
                    }
                    return FALSE;
                }

                function connectVoip($param){
                    
                     $voipServer= $_SESSION['phpgw_info']['expressomail']['server']['voip_server'];
                     $voipUrl	= $_SESSION['phpgw_info']['expressomail']['server']['voip_url'];
                     $voipPort	= $_SESSION['phpgw_info']['expressomail']['server']['voip_port'];
                    if(!$voipServer || !$voipUrl || !$voipPort){
                         return false;}
                    $url = "http://".$voipServer.":".$voipPort.$voipUrl."?magic=1333&".$param;
                    $sMethod = 'GET ';
                    $crlf = "\r\n";
                    $sRequest = " HTTP/1.1" . $crlf;
                    $sRequest .= "Host: localhost" . $crlf;
                    $sRequest .= "Accept: */* " . $crlf;
                    $sRequest .= "Connection: Close" . $crlf . $crlf;
                    $sRequest = $sMethod . $url . $sRequest;
                    $sockHttp = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
                    if (!$sockHttp)  {
                        return "socket_create falhou";
                    }
                    $resSocketConnect = socket_connect($sockHttp, $voipServer, $voipPort);
                    if (!$resSocketConnect) {
                        return "socket_connect falhou";
                    }
                    $resSocketWrite = socket_write($sockHttp, $sRequest, strlen($sRequest));
                    if (!$resSocketWrite) {
                        return "socket_write falhou";
                    }
                    $sResponse = '';
                    while ($sRead = socket_read($sockHttp, 512)) {
                        $sResponse .= $sRead;
                    }

                    socket_close($qsockHttp);
                    $pos = strpos($sResponse, $crlf . $crlf);
                    $resp = substr($sResponse, $pos + 2 * strlen($crlf));
                    return $resp;
                }
                
		function getDirContents($dir){
			//$dir = dirname($dir);
	
		   	if (!is_dir($dir)) 	{
		   			return 'Error: Cannot load files in :'. $dir.' !';
		   	}
		   	
		   	if ($root=@opendir($dir))	{
		       
		       while ($file=readdir($root))	{	           
		           if($file!="." && $file!="..")
			           $files[]=$dir."/".$file;           
		       }
		       
		   	}
		   	
		   return $files;
		}
				
		function getFilesJs($includeFiles = '', $update_version = ''){
			
			$files = $this -> getDirContents('js');
			$str_files = '';
			
			if($includeFiles) {
				$includeFiles = explode(",",trim($includeFiles));
				// Bug fixed for array_search function
				$includeFiles[count($includeFiles)] = $includeFiles[0];
				$includeFiles[0] = null;
				// End Bug fixed.
			}														
			for($i = 0; $i < count($files); $i++) {				
				if(count(explode('.js',$files[$i])) > 1) {
					if($includeFiles  && array_search(trim($files[$i]),$includeFiles)){	
						$str_files .= "<script src='".$files[$i]."?".$update_version."' type='text/javascript'></script>";						
					}
				}
			}
			
			return $str_files;
		}								

		function getReturnExecuteForm(){
			$response = $_SESSION['response'];
			$_SESSION['response'] = null;
			return $response;
		}
		
		function getLang($key){
			if ($_SESSION['phpgw_info']['expressomail']['lang'][$key])
			return $_SESSION['phpgw_info']['expressomail']['lang'][$key];			
			else
				return ($key . '*');
		}

		function get_preferences()	{
			return $_SESSION['phpgw_info']['user']['preferences']['expressoMail'];
		}
	}
?>