<?php

class EventCinema extends PhpObject
{
	//DB
	const DB = 'db.json';
	private $asMovies;
	
	//Remote
	const PROM_LINK = 'https://www.eventcinemas.co.nz/Promotions/MembersMovieOfTheWeek#cinemas=502';
	
	public function __construct()
	{
		$this->loadMoviesFromDb();
		$this->addMovieOfTheWeek();
	}
	
	private function loadMoviesFromDb()
	{
		if(!file_exists(self::DB)) $this->asMovies = array();
		else
		{
			$sContent = file_get_contents(self::DB);
			$this->asMovies = json_decode($sContent==''?'{}':$sContent, true);
		}
	}
	
	private function saveMovieToDb()
	{
		$sContent= json_encode($this->asMovies);
		file_put_contents(self::DB, $sContent);
	}
	
	private function getCurl($sUrl, $bHeader=false, $asPostData=array())
	{
		$oCurl = curl_init();
		
		curl_setopt($oCurl, CURLOPT_URL, $sUrl);
		curl_setopt($oCurl, CURLOPT_HEADER, $bHeader);
		if(!empty($asPostData))
		{
			curl_setopt($oCurl, CURLOPT_POST, count($asPostData));
			curl_setopt($oCurl, CURLOPT_POSTFIELDS, $asPostData);
		}
		
		curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, true);
		
		//Fake browser
		curl_setopt($oCurl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
		//if($this->sReferer!='') curl_setopt($oCurl, CURLOPT_REFERER, $this->sReferer);
		curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, false);
		//if($bHeader) curl_setopt($oCurl, CURLOPT_FOLLOWLOCATION, true);
		
		//Cookies
		//$sCookies = $this->getCookies();
		//if($sCookies!='') curl_setopt($oCurl, CURLOPT_COOKIE, $sCookies);
		$fCookieJar = tempnam('/tmp','cookie');
		curl_setopt($oCurl, CURLOPT_COOKIESESSION, true);
		curl_setopt($oCurl, CURLOPT_COOKIEJAR, $fCookieJar);
		curl_setopt($oCurl, CURLOPT_COOKIEFILE, $fCookieJar);
		
		$sContent = curl_exec($oCurl);
		
		curl_close($oCurl);
		//$this->sReferer = $sUrl;
		return $sContent;
	}
	
	private function addMovieOfTheWeek()
	{
		$asNewMovie = $this->getMovieOfTheWeek();
		$sTitle = $asNewMovie['title'];
		
		//Merge with DB
		if(!array_key_exists($sTitle, $this->asMovies))
		{
			$this->asMovies = array($sTitle=>$asNewMovie) + $this->asMovies;
		}
		else $this->asMovies[$sTitle] = $asNewMovie;
		
		$this->saveMovieToDb();
	}
	
	private function getMovieOfTheWeek()
	{
		//Get Event Cinema Page
		$sContent = $this->getCurl(self::PROM_LINK);
		
		//Build DOM
		$oDom = new DOMDocument();
		@$oDom->loadHTML($sContent);
		$oXPath = new DOMXPath($oDom);
		
		//Get header object
		$oHeader = $oXPath->query('//*[@class="header-title"]//*[@class="featured-name arrow-top small"]')->item(0)->childNodes;
		$sTitle = $oHeader->item(3)->nodeValue;
		$aoDetails = $oHeader->item(5)->childNodes;
		$sDates = mb_substr($aoDetails->item(1)->nodeValue, 6);
		
		return array('title'=>$sTitle, 'dates'=>$sDates);
	}
	
	public function getRss()
	{
		$asDesc = array
		(
				'title'=>'Rarbg RSS Feed',
				'link'=>'',
				'copyright'=>'Powered by Franzz. RSS Feed Generator under GPLv3 License',
				'description'=>'Rarbg RSS Feed',
				'language'=>'en',
				'webmaster_mail'=>'franzz@gmail.com'
		);
		$oFeed = new Feed($asDesc);
		
		foreach($this->asMovies as $asMovie)
		{
			$asItem = array();
			$asItem['title'] = $asMovie['title'];
			$asItem['link'] = self::PROM_LINK;
			$asItem['guid'] = $asMovie['title'];
			$asItem['category'] = 'Movies';
			$asItem['pub_date'] = date('r');
			$asItem['author'] = 'Event Cinema - Queen Street';
			$asItem['description'] = $asMovie['dates'].' '.date('Y');
			
			$oFeed->addItem($asItem);
		}
		
		return $oFeed->getFeed();
	}
}