<?php
/**
 * 
 * @author Matt Johnston DEC 2009
 * @todo implement last 3 games played probably clean up the code a little
 * @version 0.1
 *
 * /----------------------VARIABLE NAMES TO USE----------------------\
 * | total_trophies | users total trophies                           |
 * | bronze         | users bronze trophies                          | 
 * | silver         | users silver trophies                          |
 * | gold           | users gold trophies                            |
 * | platinum       | users platinum trophies                        |
 * | level          | users trophy level                             |
 * | progress       | users progress to next level (in percent form) |
 * \-----------------------------------------------------------------/
 * 
 */  

class PSNCard
{
	protected $psnName;
	protected $psnHTML;
	protected $psnURL;
	protected $pregArray;
	protected $valuesToLoad;
	protected $dom;
	
	function __construct($psnName) {
		$this->psnName = $psnName; //PSN username
		$this->psnURL  = 'http://profiles.us.playstation.com/playstation/psn/profiles/'
		               . $this->psnName; //PSN stats URL to parse
		$this->pregArray = array('/Bronze/', '/Silver/', '/Gold/', '/Platinum/', '/text/',
		                       '/\%/', '/\s/'); //What values we need to replace in the data
		$this->valuesToLoad = array('text', 'leveltext', 'progresstext', 'text bronze',
		                         'text silver', 'text gold', 'text platinum');
		//^^The name of the div classes/ids that we need to get data from^^
		
		/* We have to use CURL because file_get_contents won't work on the PSN URL */
		$ch = curl_init();
		$timeout = 5; // set to zero for no timeout
		curl_setopt ($ch, CURLOPT_URL, $this->psnURL);
		curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
		$this->psnHTML = curl_exec($ch);
		curl_close($ch);
		/* END CURL */
		
		//Set up our DOM and load the HTML
		$this->dom = new DOMDocument();
		@$this->dom->loadHTML($this->psnHTML);
		$this->__parse(); //Time to parse!
	}
	
	protected function __parse() {
		//Basically, just grabs all the DIV elements for us to go through
		foreach ($this->dom->getElementsByTagName('div') as $element) {
			//Go through all of the divs and we'll check through their class values
			foreach ($element->attributes as $key => $node) {
				/*
				 * Here we'll just run through all the values we need to load instead of having
				 * to do multiple if statements
				 */
				foreach ($this->valuesToLoad as $value) {
					/*
					 * if the value of the class or the id matches what we need to load
					 * then that's some data we are looking for!
					 */
					if ($element->getAttribute($key) == $value) {
						/*
						 * varName is the name of the variable we will store in our class so that we
						 * can provide one step access to all the data for instance we will create a
						 * new class variable called "silver" so that all you have to do is access that
						 * variable to get the value of your silver trophies. Sorry if thats a little
						 * confusing.
						 */
						$varName = $value == "text" ? "total_trophies" : preg_replace($this->pregArray, '', $value);
						//Just set our class variable with the data from the current element
						$this->$varName = preg_replace($this->pregArray, '', $element->nodeValue);
					}
				}
				
			}
			
		}
		/*
		 * We return $this so that the method is chainable and we could essentially call
		 * $var = new PSNCard();
		 * echo $var->silver;
		 * That would echo the silver trophies the user has.
		 */
		return $this;
	}
}