<?php

/**
 * Manage includes
 * @author franzz
 * @version 1.0
 */
class ClassManagement extends PhpObject
{
	const INC_FOLDER = 'inc/';
	const INC_EXT = '.php';
	const SETTINGS_FILE = 'settings.php';
	const TOOLBOX_CLASS = 'toolbox';

	private $asIncFiles;

	function __construct($sMainClass)
	{
		parent::__construct(__CLASS__, true);
		$this->asIncFiles = array();
		
		//try to include default files
		$this->incFile(self::SETTINGS_FILE);
		$this->incClass(self::TOOLBOX_CLASS);
		
		//Include main class
		$this->incClass($sMainClass);
	}

	function __destruct()
	{
		parent::__destruct();
	}

	public function incClass($sClassName)
	{
		return $this->incFile(self::INC_FOLDER.$sClassName.self::INC_EXT);
	}

	public function incFile($sFilePath, $bMandatory=true)
	{
		$bIncluded = false;
		if(!in_array($sFilePath, $this->asIncFiles))
		{
			$sMissingFile = 'File "'.$sFilePath.'" missing.';
			if(file_exists($sFilePath))
			{
				$bIncluded = require_once($sFilePath);
				$this->asIncFiles[] = $sFilePath;
			}
			elseif($bMandatory)
			{
				die($sMissingFile.' Stopping process.');
			}
			else
			{
				$this->addError($sMissingFile);
			}
		}
		return $bIncluded;
	}
}

/**
 * 
 * @author franzz
 * @version 1.0a
 */
class PhpObject
{
	//Log file name
	const LOG_FILENAME = 'log.html';

	//Message types
	const NOTICE_TAB = 'Notice';
	const WARNING_TAB = 'Warning';
	const ERROR_TAB = 'Error';
	const ALL_TAB = 'All';

	//Extraction mode
	const MODE_ARRAY = 0;
	const MODE_TEXT = 1;
	const MODE_HTML = 2;
	const MODE_FILE = 3;

	//Class variables
	private $asMessageStack;
	private $iExtractMode;
	private $sChildClass;
	private $bDebug;
	
	function __construct($sClass='', $bDebug=false, $iExtractMode=self::MODE_FILE)
	{
		$this->resetMessageStack();
		$this->setDebug($bDebug);
		$this->iExtractMode = $iExtractMode;
		$this->sChildClass = $sClass;
	}
	
	public function setDebug($bDebug)
	{
		$this->bDebug = $bDebug;
	}

	public function getDebug()
	{
		return $this->bDebug;
	}
	
	private static function getLogPath()
	{
		return dirname(__FILE__).'/'.self::LOG_FILENAME;
	}

	private function resetMessageStack($sType=self::ALL_TAB)
	{
		if($sType==self::ALL_TAB)
		{
			$this->resetMessageStack(self::NOTICE_TAB);
			$this->resetMessageStack(self::WARNING_TAB);
			$this->resetMessageStack(self::ERROR_TAB);
		}
		else
		{
			$this->asMessageStack[$sType] = array();
		}
	}

	protected function addNotice($sNotice)
	{
		$this->addMessage(self::NOTICE_TAB, $sNotice);
	}

	protected function addWarning($sWarning)
	{
		$this->addMessage(self::WARNING_TAB, $sWarning);
	}

	protected function addError($sError)
	{
		$this->addMessage(self::ERROR_TAB, $sError);
	}

	private function addMessage($sType, $sMessage)
	{
		$this->asMessageStack[$sType][] = $sMessage;
	}

	protected function getCleanMessageStack($sType=self::ALL_TAB)
	{
		$asMessages = ($sType==self::ALL_TAB)?$this->asMessageStack:$this->asMessageStack[$sType];
		$this->resetMessageStack($sType);

		return $this->glueMessages($asMessages);
	}
	
	protected function cleanMessageStack()
	{
		$sErrorStack = $this->getCleanMessageStack($this->getDebug()?self::ALL_TAB:self::ERROR_TAB);
		if($sErrorStack!='')
		{
			switch($this->iExtractMode)
			{
				case self::MODE_TEXT:
					echo $sErrorStack;
					break;
				case self::MODE_HTML:
					echo $sErrorStack;
					break;
				case self::MODE_ARRAY:
					break;
				case self::MODE_FILE:
					@file_put_contents(self::getLogPath(), "\n\n".$this->sChildClass.' - '.date('r')."\n".$sErrorStack, FILE_APPEND);
					break;
			}
		}
	}

	protected function getCleanMessageStacks($aoExtsources, $sType=self::ALL_TAB)
	{
		$aoExtsources[] = $this;
		$aoMessages = array();
		foreach($aoExtsources as $oExtSource)
		{
			$oMessages = $oExtSource->getCleanMessageStack($sType);
			if($oMessages!='')
			{
				$aoMessages[get_class($oExtSource)] = $oMessages;
			}
		}
		return $this->glueMessages($aoMessages);
	}

	private function glueMessages($asMessages)
	{
		switch($this->iExtractMode)
		{
			case self::MODE_TEXT:
				$oMessageStack = self::recursiveImplode("\n", $asMessages);
				break;
			case self::MODE_HTML:
				$oMessageStack = self::recursiveImplode('<br />', $asMessages);
				break;
			case self::MODE_ARRAY:
				$oMessageStack = $asMessages;
				break;
			case self::MODE_FILE:
				$oMessageStack = self::recursiveImplode("\n", $asMessages);
				break;
		}
		return $oMessageStack;
	}

	private static function flattenMessageStack($asTab, $sGlobalKey='')
	{
		$asFlatTab = array();
		foreach($asTab as $oKey=>$oRow)
		{
			$sKey = is_numeric($oKey)?$sGlobalKey:$oKey.' - ';
			if(is_array($oRow))
			{
				$asFlatTab = array_merge($asFlatTab, self::flattenMessageStack($oRow, $sKey));
			}
			else
			{
				$asFlatTab[] = $sKey.$oRow;
			}
		}
		return $asFlatTab;
	}

	private static function recursiveImplode($sGlue, $asTab)
	{
		$asTab = self::flattenMessageStack($asTab);
		return implode($sGlue, $asTab);
	}

	function __destruct()
	{
		$this->cleanMessageStack();
	}
}

?>