<?php

namespace Core;

class Request {
    private function __construct() {}

    public static function get(array $opts) {
        if (!isset($opts['controller'])) {
            throw new \Exception("Missing required key 'controller'");
        }
        $controller = new $opts['controller'];
        $action = empty($opts['action']) ? 'index' : $opts['action'];
        $args = empty($opts['args']) ? array() : $opts['args'];
        if (!method_exists($controller, $action)) {
            throw new \Exception("The action $action does not exists in class {$opts['controller']}");
        }
        return call_user_func_array(array($controller, $action), $args);
    }
}