<?php

include_once("convert.php");

class Event {
	public $title;
	public $time;
	public $description;
	public $flyer;

	public function show()
	{
		$str = "<div class=\"event\">\n";
		$str .= "  <div class=\"event_title\">" . 
			htmlspecialchars_decode($this->title, ENT_QUOTES) . "</div>\n";
		$str .= "  <div class=\"event_time\">" . date("D M jS Y", $this->time) . "</div>\n";
		$str .= "  <div class=\"event_description\">" . 
			htmlspecialchars_decode($this->description, ENT_QUOTES) . "</div>\n";
		if($this->flyer) {
			$str .= "  <img class=\"event_flyer\" alt=\"flyer\" src=\"gfx/flyers/" . $this->flyer . "\"/>\n";
		}
		$str .= "</div>\n";
		return $str;
	}

	public function Event($title, $time, $description, $flyer = "")
	{
		$this->title = $title;
		$this->time = $time;
		$this->description = $description;
		$this->flyer = $flyer;
	}
}

class Events {

	private $file;
	private $events = array();

	public function run($module)
	{
		switch($module) {
		case "events_coming":
			return $this->showcoming(-1);
			break;

		case "events_old":
		default:
			return $this->showold(-1);
			break;
		}
	}

	public function showcoming($number)
	{
		$str = "";

		$foundany = false;

		// Key sort
		ksort($this->events);

		// If number is -1 show all shows.
		if($number == -1) $number = 100000;
		
		foreach($this->events as $event) {
			if($event->time >= time()) {
				$foundany = true;
				$str .= $event->show();
				$number--;
			}
			if(!$number) return $str;
		}

		if($foundany == false) return "No shows available at the moment.";
		return $str;
	}

	public function showold($number)
	{
		$str = "";

		// Key sort
		krsort($this->events);

		// If number is -1 show all shows.
		if($number == -1) $number = 100000;

		foreach($this->events as $event) {
			if($event->time <= time()) {
				$str .= $event->show();
				$number--;
			}
			if(!$number) return $str;
		}
		return $str;
	}
	
	public function add($event) {
		$key = $event->time;
		//		array_push($this->events, $event);
		$this->events[$key] = $event;
	}
	
	public function write()
	{
		$fp = fopen($this->file, "w");
		fwrite($fp, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");

		fwrite($fp, "<events>\n");
		foreach($this->events as $event) {
			fwrite($fp, "  <event title=\"" .
						 htmlspecialchars($event->title, ENT_QUOTES, "UTF-8") . "\"\n");
			fwrite($fp, "         time=\"" . $event->time . "\"\n");
			fwrite($fp, "         description=\"" .
						 htmlspecialchars($event->description, ENT_QUOTES, "UTF-8") . "\"\n");
			fwrite($fp, "         flyer=\"" . $event->flyer . "\">\n");
			fwrite($fp, "  </event>\n");
		}
		fwrite($fp, "</events>\n");

		fclose($fp);
	}
	
	private function read()
	{

		$dom = new DomDocument;
		$dom->preserveWhiteSpace = FALSE;
		$dom->load($this->file);
		$params = $dom->getElementsByTagName('event');

		foreach ($params as $param) {
			$event = new Event($param->getAttribute('title'),
												 $param->getAttribute('time'),
												 $param->getAttribute('description'),
												 $param->getAttribute('flyer'));
			$this->add($event);
		}
		
	}

	public function Events($file)
	{
		$this->file =  $file;
		if(file_exists($file)) $this->read();
	}

}

?>