<?php

/*
 * Autor: Rafael Sales
 * Email: msn:raphasales@hotmail.com
 * 
 * Modifica: 17/09/2013
 * Autor: Amarildo Pereira
 * Email: amrlcba@terra.com.br
 * 
 * Modifica: 24/08/2017
 * Autor: Victor Mendonça
 * Email: androidmend@gmail.com
 */

final class BackupInfo {

    public $proto;
    public $host;
    public $anon; //anonymous
    public $user;
    public $pass;
    public $dir;
    public $dirAtual;
    public $port = 21;
    public $timeout = 90;
    public $messge;
    public $realMessge;
    public $hasError = false;
    public $backupHandler = null;

    public function __construct($dest, AbstractBackup $backupHandler) {
        $this->proto = $dest['proto'];
        $this->host = str_replace("\\", "/", $dest['host']);
        $this->anon = ($dest['anon'] == 1);
        $this->user = $this->anon ? "anonymous" : str_replace("\\", "/", $dest['user']);
        $this->pass = $this->anon ? "" : $dest['pass'];
        $this->dir = $this->VerBarraPath(str_replace("\\", "/", $dest['dir']));
        if ($dest['port'] && $this->proto != 4) {
            $this->port = $dest['port'];
        }
        if ($dest['timeout']) {
            $this->timeout = $dest['timeout'];
        }
        $this->backupHandler = $backupHandler;
    }

    public function connect() {

        if (is_null($this->proto) || empty($this->proto)) {
            $this->Except("Nenhum protocolo informado para a realização do backup");
        }

        /*
         * Tenta se conectar ao servidor destino de acordo com o protocolo
         */
        $this->backupHandler->Connect($this);

        return !$this->hasError;
    }

    public function GetMessage() {
        return $this->messge;
    }

    public function GetRealMessage() {
        return $this->realMessge;
    }

    public function Except($msg, $realMessage = '') {
        $this->hasError = true;
        $this->messge = $msg;
        $error = error_get_last();
        $this->realMessge = $realMessage . "[" . $error['message'] . "]\n";
    }

    public function VerBarraPath($path) {
        if (substr($path, -1) != '/') {
            return $path . '/';
        }

        return $path;
    }

    public function GetMode($file) {
        return (StringClass::ContemTexto($file, '.txt')) || (StringClass::ContemTexto($file, '.sql')) ? FTP_ASCII : FTP_BINARY;
    }

    function getBackupHandler() {
        return $this->backupHandler;
    }

    /**
     * Retorna o último erro lançado pelo $backupHandler
     * @return null|string
     */
    public function GetLastHandlerException() {
        return $this->backupHandler->getExceptionMessage();
    }

}