<?php

class MediaModel extends Model implements MediaInterface{
	private $mediaRenderer;
	
	public function __construct($saveableObject = null){
		if(property_exists($saveableObject, mediaType)){
			parent::__construct($saveableObject);
			if ($this->type == self::TYPE_HTML5){
				$this->mediaRenderer = new MediaHtml5($this);
			}
			if ($this->type == self::TYPE_LOCALVIDEO){
				$this->mediaRenderer = new MediaLocalVideo($this);
			}
			if ($this->type == self::TYPE_IMAGE){
				$this->mediaRenderer = new MediaImage($this);
			}
			if ($this->type == self::TYPE_PDF){
				$this->mediaRenderer = new MediaPdf($this);
			}
			if ($this->type == self::TYPE_YOUTUBE){
				$this->mediaRenderer = new MediaYoutube($this);
			}			
		}
		else{
			throw new MediaException("Invalid media type for Media; mediatype '".$mediaType."'");
		}
	}

	private function asText(){
		return $this->mediaRenderer->asText();
	}
	
	public function renderMedia(){
		$this->mediaRenderer->render();	
	}
	
	public function getType(){
		return $this->type;
	}
	
	public function getTitle(){
		return $this->details;
	}
	
	public static function getCollectionName(){
		return "media";
	}
	
	public function setOwner(HasMediaInterface $model){
		$this->owner = $model->getReference();
	}
	public function getOwnerReference(){
		return $this->owner;
	}
	
	public function getReference(){
		return $this->id;
	}
}
?>