<?php

class Auth extend Controller {

	function Auth()
	{
		parent::Controller();
		
		// load the library
		$this->load->library('ExtID');
	}
	
	/**
	 * Starts the authentication proccess
	 *
	 * This is just a normal page. It will have your login options
	 * as links for the user to select from.
	 */
	function index()
	{
		// Build the needed markup using the default config
		$data['login_code'] = $this->extid->generate_login('default');
		
		// Load your page
		$this->load->view('login_page', $data);
	}
	
	/**
	 * Handles the actual logging in
	 *
	 * This is where the login link in the /auth/index route direct
	 * your user. The name of this route is set in the config.
	 */
	function login()
	{
		$this->extid->authenticate();
	}
	
	/**
	 * Completes the authentication proccess
	 *
	 * This function collects the data sent back from the provider.
	 */
	function finish_auth()
	{
		$data = $this->extid->finish_auth();
		
		//
		// $data now contains the user's info sent back from the provider. Any
		// values not provided will be NULL. If the provider is Facebook, there
		// is an extra value, 'id', which refers to the user's Facebook ID number.
		//
		// $data = array(
		//   'fullname' => string, the user's name
		//   'nickname' => string, the user's username/nickname
		//   'email'    => string, the user's email address (never provided by Twitter)
		//   'id'       => string, only if provider is Facebook/Twitter
		// )
		//
	}
	
	/**
	 * Loads icons
	 */
	function load_icon()
	{
		$this->extid->load_image();
	}

}

/* End of file auth.php */
/* Location: ./system/application/controllers/auth.php */