<?php
namespace app\Core;

class App {
    protected $controller = 'Home';
    protected $method = 'index';
    protected $params = [];

    public function __construct() {
        $url = $this->parseUrl();

        // Check if controller exists
        if(isset($url[0]) && file_exists('../app/Controllers/' . ucfirst($url[0]) . 'Controller.php')) {
            $this->controller = ucfirst($url[0]);
            unset($url[0]);
        }

        require_once '../app/Controllers/' . $this->controller . 'Controller.php';
        $controllerClass = '\\app\\Controllers\\' . $this->controller . 'Controller';
        $this->controller = new $controllerClass;

        // Check if method exists
        if(isset($url[1])) {
            if(method_exists($this->controller, $url[1])) {
                $this->method = $url[1];
                unset($url[1]);
            }
        }

        // Get params
        $this->params = $url ? array_values($url) : [];

        // Call the method with params
        call_user_func_array([$this->controller, $this->method], $this->params);
    }

    public function parseUrl() {
        if(isset($_GET['url'])) {
            return explode('/', filter_var(rtrim($_GET['url'], '/'), FILTER_SANITIZE_URL));
        }
        return [];
    }
}