<?php

require_once( dirname( __FILE__ ).DIRECTORY_SEPARATOR.'vendor'.DIRECTORY_SEPARATOR.'class.phpmailer.php' );

class SmtpMailer extends Mailer
{
    var $mailer = null;


	function __construct( $mailer = null )
	{
	    parent::__construct();
	    $this->mailer = $mailer;
	}


    protected function instanciate()
    {
        if( null == $this->mailer ) {
	        $this->mailer = new PHPMailer( true );
            $this->mailer->IsSMTP();
            $this->mailer->CharSet = defined('SMTPMAILER_CHARSET_ENCODING')? SMTPMAILER_CHARSET_ENCODING : "utf-8";
            $this->mailer->Host = defined('SMTPMAILER_SMTP_SERVER_ADDRESS')? SMTPMAILER_SMTP_SERVER_ADDRESS : "localhost";
            $this->mailer->Port = defined('SMTPMAILER_SMTP_SERVER_PORT')? SMTPMAILER_SMTP_SERVER_PORT : 25;
            $this->mailer->SMTPSecure = defined('SMTPMAILER_USE_SECURE_CONNECTION')? strtolower( SMTPMAILER_USE_SECURE_CONNECTION ) : '';
            $this->mailer->SMTPAuth = defined('SMTPMAILER_DO_AUTHENTICATE')? SMTPMAILER_DO_AUTHENTICATE : false;
            if( $this->mailer->SMTPAuth ) {
                $this->mailer->Username = defined('SMTPMAILER_USERNAME')? SMTPMAILER_USERNAME : "username";
                $this->mailer->Password = defined('SMTPMAILER_PASSWORD')? SMTPMAILER_PASSWORD : "password";
            }
            $this->mailer->SMTPDebug = defined('SMTPMAILER_DEBUG_MESSAGING_LEVEL')? SMTPMAILER_DEBUG_MESSAGING_LEVEL : 0;
            $this->mailer->SetLanguage( defined('SMTPMAILER_LANGUAGE_OF_MESSAGES')? SMTPMAILER_LANGUAGE_OF_MESSAGES : 'en' );
        }
    }


    /* Overwriting Mailer's function */
	function sendPlain($to, $from, $subject, $plainContent, $attachedFiles = false, $customheaders = false)
	{
	    $this->instanciate();
        $this->mailer->IsHTML( false );
        $this->mailer->Body = $plainContent;
        $this->sendMailViaSmtp( $to, $from, $subject, $attachedFiles, $customheaders, false );
	}


    /* Overwriting Mailer's function */
	function sendHTML($to, $from, $subject, $htmlContent, $attachedFiles = false, $customheaders = false, $plainContent = false, $inlineImages = false)
	{
	    $this->instanciate();
        $this->mailer->IsHTML( true );
        if( $inlineImages ) {
            $this->mailer->MsgHTML( $htmlContent, Director::baseFolder() );
        }
        else {
            $this->mailer->Body = $htmlContent;
            if( empty( $plainContent ) ) $plainContent = trim( Convert::html2raw( $htmlContent ) );
            $this->mailer->AltBody = $plainContent;
        }
        $this->sendMailViaSmtp( $to, $from, $subject, $attachedFiles, $customheaders, $inlineImages );
    }


    protected function sendMailViaSmtp( $to, $from, $subject, $attachedFiles = false, $customheaders = false, $inlineImages = false )
    {
        if( $this->mailer->SMTPDebug > 0 ) echo "<em><strong>*** Debug mode is on</strong>, printing debug messages and not redirecting to the website:</em><br />";
        $msgForLog = "\n*** The sender was : $from\n*** The message was :\n{$this->mailer->AltBody}\n";

        try {
            $this->buildBasicMail( $to, $from, $subject );
            $this->addCustomHeaders( $customheaders );
            $this->attachFiles( $attachedFiles );
            $this->mailer->Send();

            if( $this->mailer->SMTPDebug > 0 ) {
                echo "<em><strong>*** E-mail to $to has been sent.</strong></em><br />";
                echo "<em><strong>*** The debug mode blocked the process</strong> to avoid the url redirection. So the CC e-mail is not sent.</em>";
                die();
            }

        } catch( phpmailerException $e ) {
            $this->handleError( $e->errorMessage(), $msgForLog );
        } catch( Exception $e ) {
            $this->handleError( $e->getMessage(), $msgForLog );
        }
    }


    function handleError( $e, $msgForLog )
    {
        $msg = $e . $msgForLog;
        if( $this->mailer->SMTPDebug > 0 ) {
        	echo( $msg );
        }
        Debug::log( $msg );
        die();
    }

    protected function buildBasicMail( $to, $from, $subject )
    {
        if( preg_match('/(\'|")(.*?)\1[ ]+<[ ]*(.*?)[ ]*>/', $from, $from_splitted ) ) {
            // If $from countain a name, e.g. "My Name" <me@acme.com>
            $this->mailer->SetFrom( $from_splitted[3], $from_splitted[2] );
        }
        else {
            $this->mailer->SetFrom( $from );
        }

        $to = validEmailAddr( $to );
        $this->mailer->ClearAddresses();
	    $addresses = explode(',',$to);
	    foreach($addresses as $address){
		    $address = trim($address);
            $this->mailer->AddAddress( $address, ucfirst( substr( $address, 0, strpos( $address, '@' ) ) ) ); // For the recipient's name, the string before the @ from the e-mail address is used
	    }
        $this->mailer->Subject = $subject;
    }


    protected function addCustomHeaders( $headers )
    {
    	if( null == $headers or !is_array( $headers ) ) $headers = array();
	    if( !isset( $headers["X-Mailer"] ) ) $headers["X-Mailer"] = X_MAILER;
	    if( !isset( $headers["X-Priority"] ) ) $headers["X-Priority"] = 3;

	    $this->mailer->ClearCustomHeaders();
	    foreach( $headers as $header_name => $header_value ) {
	        $this->mailer->AddCustomHeader( $header_name.':'.$header_value );
	    }
    }


    protected function attachFiles( $attachedFiles )
    {
        if( !empty( $attachedFiles ) and is_array( $attachedFiles ) ) {
            foreach( $attachedFiles as $attachedFile ) {
                $this->mailer->AddAttachment( Director::baseFolder().DIRECTORY_SEPARATOR.$attachedFile['filename'] );
            }
        }
    }

}

?>