<?php

namespace alveolata\session;

// require_once(DIR_ALVEOLATA . '/definitions.php');
require_once(DIR_ALVEOLATA . '/session/interface.php');
require_once(DIR_ALVEOLATA . '/session/implementation-memory.php');
require_once(DIR_ALVEOLATA . '/session/implementation-file.php');
require_once(DIR_ALVEOLATA . '/session/implementation-cgi.php');


/**
 * @author Christian Fraß <frass@greenscale.de>
 */
function begin(
	string $kind,
	array $parameters = []
) : interface_session
{
	switch ($kind) {
		default: {
			throw (new \Exception(sprintf('invalid session kind "%s"', $kind)));
			break;
		}
		case 'memory': {
			return (
				implementation_memory::begin()
			);
			break;
		}
		case 'file': {
			return (
				implementation_file::begin()
			);
			break;
		}
		case 'cgi': {
			return (
				implementation_cgi::begin()
			);
			break;
		}
	}
}


/**
 * @author Christian Fraß <frass@greenscale.de>
 */
function get(
	string $kind,
	string $id
) : interface_session
{
	switch ($kind) {
		default: {
			throw (new \Exception(sprintf('invalid session kind "%s"', $kind)));
			break;
		}
		case 'memory': {
			return (
				implementation_memory::get($id)
			);
			break;
		}
		case 'file': {
			return (
				implementation_file::get($id)
			);
			break;
		}
		case 'cgi': {
			return (
				implementation_cgi::get($id)
			);
			break;
		}
	}
}

 ?>