<?php

/**
 * Javascript source file existance debugger.
 * 
 * Control if each JavaScript source file name is unique.
 * 
 * @author vallance
 *
 */
class jsDebugger implements \FlowStackInterface {

	private $color;
	private $recursive;
	
	/**
	 * Constructor.
	 * Default constructor, initialize $color.
	 */
	public function __construct() {
		$this->color = new Colors();
	}
	
	/**
	 * Control parameters.
	 * Return true if JS:DEBUG is given and no other option or recursive option.
	 * 
	 * @see FlowStackInterface::control()
	 */
	public function control( $argArray ) {
		
		if(isset($argArray[1]) && strtoupper($argArray[1]) == "JS:DEBUG"){
			if(isset($argArray[2]) && (strtoupper($argArray[2]) == "-R" || strtoupper($argArray[2]) == "--RECURSIVE")){
				$this->recursive = true;
			}else if(!isset($argArray[2])){
				$this->recursive = false;
			}else{
				return false;
			}
			return true;
		}else{
			return false;
		}
	}

	/**
	 * @see FlowStackInterface::getControlMethod()
	 */
	public function getControlMethod() {
		return 'debug';
	}
	
	/**
	 * Process method.
	 * Control if each source file name is unique.
	 */
	public function debug(){
		
		$config = new ConfigObject();
		$config->autoLoad();
		$jsArray = $config->getJsDirectory();
		
		$filesArray = array();
		$fileDir = array();
		
		foreach ($jsArray as $directory) {
			foreach ($this->getFiles($directory) as $file) {
				$filesArray[] = $file[1];
				
				if(!isset($fileDir[$file[1]])){
					$fileDir[$file[1]] = $file[0];
				}else{
					$fileDir[$file[1]] .= " ".$file[0];
				}
			}
		}
		
		$arrayCount = array_count_values($filesArray);
		
		foreach ($arrayCount as $key => $value) {
			if($value == 1){
				echo $this->color->getColoredString($key, "green")."\n";
			}else{
				echo $this->color->getColoredString($key, "red")." multiple occurence ($value). File found in : \n";
				
				foreach (explode(" " ,$fileDir[$key]) as $value) {
					echo "\t".$value."\n";
				}
			}
		}
		
	}
	
	/**
	 * Return each js source file on a directory.
	 * 
	 * @param string $dirName
	 * @return array 
	 */
	public function getFiles($dirName) {
		
		$dir = dir($dirName);
		$filesArray = array();
		
		if(!preg_match("/\/$/", $dirName)){
			$dirName = trim($dirName)."/";
		}
		
		while(($entry = $dir->read())){
			
			if(is_file($dirName.$entry) && preg_match("/\.js$/", $entry)){
				$filesArray[] = array($dirName, $entry);
			}else if($this->recursive && is_dir($dirName.$entry) && $entry != '.' && $entry != '..'){
				foreach ($this->getFiles($dirName.$entry) as $recursiveFile) {
					$filesArray[] = $recursiveFile;
				}
			}
			
		}
		
		return $filesArray;
	}

}