<?php

/**
 * ToolBox - Only static functions missing from php librairy
 * @author franzz
 */
class ToolBox
{
	public static function cleanPost(&$asData)
	{
		//get rid of magic quotes
		if(function_exists('get_magic_quotes_gpc') && get_magic_quotes_gpc())
		{
			$asData = self::cleanData($asData, 'stripslashes');
		}
	}
	
	public static function cleanData($oData, $sCleaningFunc)
	{
		if(!is_array($oData))
		{
			return call_user_func($sCleaningFunc, $oData);
		}
		elseif(count($oData)>0)
		{
			$asCleaningFunc = array_fill(1, count($oData), $sCleaningFunc);
			$asKeys = array_map(array('self', 'cleanData'), array_keys($oData), $asCleaningFunc);
			$asValues = array_map(array('self', 'cleanData'), $oData, $asCleaningFunc);
			return array_combine($asKeys, $asValues);
		}
	}
	
	public static function fixGlobalVars($argv)
	{
		//Add CLI arguments
		if(defined('STDIN')) mb_parse_str(implode('&', array_slice($argv, 1)), $_GET);
	
		//Add Server Name
		$sServerName = array_key_exists('SERVER_NAME', $_SERVER)?$_SERVER['SERVER_NAME']:$_SERVER['PWD'];
		$sAppPath = 'http://'.str_replace('http://', '', $sServerName.dirname($_SERVER['SCRIPT_NAME']));
		$_GET['serv_name'] = $sAppPath.(mb_substr($sAppPath, -1)!='/'?'/':'');
	}

	public static function array_map_encapsulate($oData, $sChar)
	{
		if(is_array($oData))
		{
			$asChar = array_fill(1, count($oData), $sChar);
			return array_combine(array_keys($oData), array_map(array('self', 'array_map_encapsulate'), $oData, $asChar));
		}
		else
		{
			return $sChar.$oData.$sChar;
		}
	}

	public static function capitalizeWords($acText, $sCharList = '')
	{
		// Use ucwords if no delimiters are given
		if($sCharList=='')
		{
			return Toolbox::mb_ucwords($acText);
		}

		// Go through all characters
		$capitalizeNext = true;
		$max = mb_strlen($acText);
		for ($i = 0; $i < $max; $i++)
		{
			if(mb_strpos($sCharList, $acText[$i]) !== false)
			{
				$capitalizeNext = true;
			}
			elseif($capitalizeNext)
			{
				$capitalizeNext = false;
				$acText[$i] = mb_strtoupper($acText[$i]);
			}
		}

		return $acText;
	}
	
	public static function createThumbnail($sInPath, $iMaxWidth, $iMaxHeight, $sOutPath='', $bDeleteIn=false, $asImageExts=array('jpg', 'jpeg', 'gif', 'png'))
	{
		$asResult = array('error'=>'');
	
		//Look up the extension to choose the image creator
		//TODO use MIME types
		$sInInfo = pathinfo($sInPath);
		$sInName = mb_strtolower($sInInfo['basename']);
		$sImageExt = mb_strtolower($sInInfo['extension']);
		$sImageExt = ($sImageExt=='jpg')?'jpeg':$sImageExt;
	
		//New Destination folder
		if($sOutPath=='') $sOutPath = $sInPath;
		elseif(mb_substr($sOutPath, -1)=='/') $sOutPath .= $sInName;
	
		//New sizes
		if(in_array($sImageExt, $asImageExts))
		{
			list($iWidth, $iHeight) = getimagesize($sInPath);
			if($iWidth > $iMaxWidth || $iHeight > $iMaxHeight)
			{
				$dResizeDeltaWidth = $iWidth - $iMaxWidth;
				$dResizeDeltaHeight = $iHeight - $iMaxHeight;
				if($dResizeDeltaWidth > $dResizeDeltaHeight)
				{
					$iResizedWidth = $iMaxWidth;
					$iResizedHeight = ($iResizedWidth / $iWidth) * $iHeight;
				}
				else
				{
					$iResizedHeight = $iMaxHeight;
					$iResizedWidth = ($iResizedHeight / $iHeight) * $iWidth;
				}
					
				//create image from source
				$oSource = call_user_func('imagecreatefrom'.$sImageExt, $sInPath);
	
				//Resize
				$oThumb = imagecreatetruecolor($iResizedWidth, $iResizedHeight);
				imagecopyresized($oThumb, $oSource, 0, 0, 0, 0, $iResizedWidth, $iResizedHeight, $iWidth, $iHeight);
	
				//Save
				if(file_exists($sOutPath)) unlink($sOutPath);
				if(!call_user_func_array('image'.$sImageExt, array($oThumb, $sOutPath)))
				{
					$asResult['error'] = 'Unable to create thumbnail : '.$sOutPath;
				}
			}
			elseif($sInPath != $sOutPath)
			{
				$iResizedWidth = $iWidth;
				$iResizedHeight = $iHeight;
				if(!copy($sInPath, $sOutPath)) $asResult['error'] = 'Copy failed from '.$sInPath.' to '.$sOutPath;
			}
			$asResult['width'] = $iResizedWidth;
			$asResult['height'] = $iResizedHeight;
			$asResult['out'] = $sOutPath;
		}
		else $asResult['error'] = 'Wrong file type';
	
		if($bDeleteIn && $asResult['error']=='' && $sInPath != $sOutPath) unlink($sInPath);
			
		return $asResult;
	}
	
	public static function utf8_compliant($sText)
	{
		if(strlen($sText) == 0) return true;
		return (preg_match('/^.{1}/us', $sText, $ar) == 1);
	}
	
	public static function mb_ucwords($sText)
	{
		return mb_convert_case($sText, MB_CASE_TITLE, "UTF-8");
	}
	
	public static function file_get_contents_utf8($oFile)
	{
		$sContent = file_get_contents($oFile);
		return mb_convert_encoding($sContent, 'UTF-8', mb_detect_encoding($sContent, 'UTF-8, ISO-8859-1', true));
	}
	
	public static function rgbToHex($R, $G, $B)
	{
		$R = dechex($R);
		if(strlen($R)<2) $R='0'.$R;
		
		$G = dechex($G);
		if(strlen($G)<2) $G='0'.$G;

		$B = dechex($B);
		if(strlen($B)<2) $B='0'.$B;
		
		return $R.$G.$B;
	}
	
	public static function setCookie($sCookieName, $sCookieValue, $iDays)
	{
		$iTimeLimit = time()+60*60*24*$iDays;
		setcookie($sCookieName, $sCookieValue, $iTimeLimit);
	}
}

/* Debug */

function pre($sText, $sTitle='Test', $bDie=false, $sMode='log')
{
	$sLog =	'<fieldset class="rounded">
	<legend class="rounded">'.$sTitle.'</legend>
	<pre>'.print_r($sText, true).'</pre>
	</fieldset>';
	switch($sMode)
	{
		case 'echo':
			echo $sLog;
			break;
		case 'return':
			if($bDie) echo $sLog;
			break;
		case 'log':
			file_put_contents('log.html', ($sTitle!=''?$sTitle." :\n":'').print_r($sText, true)."\n\n", FILE_APPEND);
			break;
		default:
			break;
	}

	if($bDie)
	{
		die('die() called by the test function '.__FUNCTION__.'().'.($sMode=='log'?' Check log.html for details':''));
	}

	return $sLog;
}

function dlog($sText, $bDie=false, $sTitle='Test')
{
	pre($sText, date('d/m/Y  H:m:i').' - '.$sTitle, $bDie, 'log');
}

?>