<?php

class PRODUCT
{
	public $product = null;
	public $version = null;
	public $edition = '';
	public $type = 'LSWS';

	public $tmp_path = null;
	public $processes = 1;

	public $new_release = null;
	public $new_version = null;
	public $cur_build = 0;


	public $installed_releases = array();

	private function __construct()
	{
		$this->init();
	}

	public static function GetInstance()
	{
        if ( !isset($GLOBALS['_PRODUCT_']) )
			$GLOBALS['_PRODUCT_'] = new PRODUCT();
		return $GLOBALS['_PRODUCT_'];
	}

	function init() {
		$this->processes = DUtil::grab_input("server", 'LSWS_CHILDREN','int');

		$matches = array();
		$this->product = 'LiteSpeed Web Server';
		$str = DUtil::grab_input("server",'LSWS_EDITION');
		if ( preg_match('/^(.*)\/(.*)\/(.*)$/i', $str, $matches ) ) {
			$this->edition = strtoupper(trim($matches[2]));
			$this->version = trim($matches[3]);
		}
		$this->tmp_path = "/tmp/lshttpd/";
	}

	function getInstalled() {

        $srt = DUtil::grab_input("server",'LS_SERVER_ROOT');
		$dir = $srt . 'bin';
		$dh = @opendir($dir);
		if ($dh) {
			while (($fname = readdir($dh)) !== false) {
				$matches = array();
				if (preg_match('/^lswsctrl\.(.*)$/', $fname, $matches)) {
					$this->installed_releases[] = $matches[1];
				}
			}
			closedir($dh);
		}
		$buildfile = $srt . 'BUILD';
		if (  file_exists($buildfile)) {
			$this->cur_build = trim(file_get_contents($buildfile));
		}
	}

	function isInstalled($version) {
		$state = FALSE;

		foreach($this->installed_releases as $value) {
			if($version == $value) {
				return TRUE;
			}
		}

		return $state;
	}

	function refreshVersion() {
        $srt = DUtil::grab_input("server",'LS_SERVER_ROOT');
		$versionfile = $srt . 'VERSION';
		$this->version = trim( file_get_contents($versionfile) );
		$buildfile = $srt . 'BUILD';
		if (  file_exists($buildfile)) {
			$this->cur_build = trim(file_get_contents($buildfile));
		}
	}

	function getNewVersion() {
        $srt = DUtil::grab_input("server",'LS_SERVER_ROOT');
		$dir = $srt . 'autoupdate';
		$releasefile = $srt . 'autoupdate/release';
		if ( file_exists($releasefile) ) {
			$this->new_release = trim( file_get_contents($releasefile) );
			$matches = array();
			if (strpos($this->new_release, '-')) {
				if ( preg_match( '/^(.*)-/', $this->new_release, $matches ) ) {
					$this->new_version = $matches[1];
				}
			}
			else {
				$this->new_version = $this->new_release;
			}
		}
	}

}