<?php

namespace Lychee\Access;

use Lychee\Modules\Album;
use Lychee\Modules\Photo;
use Lychee\Modules\Session;
use Lychee\Modules\Validator;

final class Guest extends Access {

	public static function init($fn) {

		switch ($fn) {

			// Album functions
			case 'Album::getAll':     self::getAlbumsAction(); break;
			case 'Album::get':        self::getAlbumAction(); break;
			case 'Album::getPublic':  self::checkAlbumAccessAction(); break;

			// Photo functions
			case 'Photo::get':        self::getPhotoAction(); break;

			// Session functions
			case 'Session::init':     self::initAction(); break;
			case 'Session::login':    self::loginAction(); break;
			case 'Session::logout':   self::logoutAction(); break;

			// $_GET functions
			case 'Album::getArchive': self::getAlbumArchiveAction(); break;
			case 'Photo::getArchive': self::getPhotoArchiveAction(); break;

			// Error
			default:                  self::fnNotFound(); break;

		}

		return true;

	}

	// Album functions

	private static function getAlbumsAction() {

		$album = new Album(null);
		echo json_encode($album->getAll(true));

	}

	private static function getAlbumAction() {

		Validator::required(isset($_POST['albumID'], $_POST['password']), __METHOD__);

		$album = new Album($_POST['albumID']);

		if ($album->getPublic()) {

			// Album public
			if ($album->checkPassword($_POST['password'])) echo json_encode($album->get());
			else                                           echo 'Warning: Wrong password!';

		} else {

			// Album private
			echo 'Warning: Album private!';

		}

	}

	private static function checkAlbumAccessAction() {

		Validator::required(isset($_POST['albumID'], $_POST['password']), __METHOD__);

		$album = new Album($_POST['albumID']);

		if ($album->getPublic()) {

			// Album public
			if ($album->checkPassword($_POST['password'])) echo true;
			else                                           echo false;

		} else {

			// Album private
			echo false;

		}

	}

	// Photo functions

	private static function getPhotoAction() {

		Validator::required(isset($_POST['photoID'], $_POST['albumID'], $_POST['password']), __METHOD__);

		$photo = new Photo($_POST['photoID']);

		$pgP = $photo->getPublic($_POST['password']);

		if ($pgP===2)      echo json_encode($photo->get($_POST['albumID']));
		else if ($pgP===1) echo 'Warning: Wrong password!';
		else if ($pgP===0) echo 'Warning: Photo private!';

	}

	// Session functions

	private static function initAction() {

		$session = new Session();
		echo json_encode($session->init(true));

	}

	private static function loginAction() {

		Validator::required(isset($_POST['user'], $_POST['password']), __METHOD__);

		$session = new Session();
		echo $session->login($_POST['user'], $_POST['password']);

	}

	private static function logoutAction() {

		$session = new Session();
		echo $session->logout();

	}

	// $_GET functions

	private static function getAlbumArchiveAction() {

		Validator::required(isset($_GET['albumID'], $_GET['password']), __METHOD__);

		$album = new Album($_GET['albumID']);

		if ($album->getPublic()&&$album->getDownloadable()) {

			// Album Public
			if ($album->checkPassword($_GET['password'])) $album->getArchive();
			else                                          exit('Warning: Wrong password!');

		} else {

			// Album Private
			exit('Warning: Album private or not downloadable!');

		}

	}

	private static function getPhotoArchiveAction() {

		Validator::required(isset($_GET['photoID'], $_GET['password']), __METHOD__);

		$photo = new Photo($_GET['photoID']);

		$pgP = $photo->getPublic($_GET['password']);

		// Photo Download
		if ($pgP===2) {

			// Photo Public
			$photo->getArchive();

		} else {

			// Photo Private
			exit('Warning: Photo private or password incorrect!');

		}

	}

}

?>