<?php
class Controller {

	private $request 			= null;
	private $template 		= '';
	private $view 				= null;

	/**
	 *
	 * @param Array $request $_GET and $_POST
	 */
	public function __construct($request) {
		ErrorHandler::$eh = new ErrorHandler();
		Database::$db = new Database();

		$this->view = new View();
		$this->request = $request;

		if(!empty($request['action']) && $request['action']) { // any action needs to be done?
			$this->actionController();
		}

		$this->template = !empty(strtok($_SERVER['REQUEST_URI'], '?')) ? strtok($_SERVER['REQUEST_URI'], '?') : 'default';
	}

	/**
	 * Return requested page
	 *
	 * @return String Content of requested page
	 */
	public function display() {
		$singlePage = false; // set to true if header/footer shouldn't be used
		switch($this->template) {

			case 'default':
			default:
				$singlePage = true;
				$this->view->setTemplate('default');
				$this->view->assign("test", "joo");
				break;
		}

		if(!$singlePage) {
			$headerView = new View();
			$footerView = new View();

			$headerView->setTemplate("header");
			$footerView->setTemplate("footer");

			$header = $headerView->loadTemplate(); // save them in vars to prevent errors being ignored
			$footer = $footerView->loadTemplate();

			$this->view->assign("errors", ErrorHandler::$eh->getErrors()); // get errors as last thing

			return $header . $this->view->loadTemplate() . $footer;
		}

		$this->view->assign("errors", ErrorHandler::$eh->getErrors()); // get errors as last thing

		return $this->view->loadTemplate();
	}

	private function actionController() {
		switch($this->request['action']) {
			default:
				error_log("Unknown action: " . $this->request['action']);
				break;
		}
	}
}
?>