<?php

class Router{
    private string $path = "/PHP/project/index.php";
    
    private $router;
    public function __construct()
    {
        global $dir,$vues;
        try{
            session_start();
            $tabError = array();
            $this->router =  new AltoRouter();
            $this->router->setBasePath($this->path);
            $this->initialiseRoutes();
            
            
            $match = $this->router->match();
            if(!$match){
                $tabError[] = 'error : wrong path ';
                
                require($dir . $vues['error']);
            }
            switch ($match['target']){
                case 'UserControler' :
                    $this->userConnexion('UserControler', $match);
                    break;
                case 'VisteurControler' :
                    $this->callController('VisteurControler', $match);
                    break;
                case 'any':
                    
                    VisteurControler::displayView();
                    break;
                default:
                    $tabError[] = 'error : Wrong call router';
                    require($dir . $vues['error']);
            }
        }catch (PDOException $exp){
            $tabError[] = 'error data base' . $exp->getMessage();
            require($dir . $vues['error']);
        } catch (Exception $exp2){
            $tabError[] = 'unknow exeption' . $exp2->getMessage();
            require($dir . $vues['error']);
        }catch (Error $e){
            $tabError[] = 'unknow error' . $e->getMessage();
            require($dir . $vues['error']);
        }
    }

    private function userConnexion(string $controller, array $match) : void{
        global $dir, $vues;

        if(ModelUser::isUser() != NULL){
            $controller = 'UserControler';
            $this->callController($controller, $match);
        }
        else{
            VisteurControler::displayView();
        }

    }

    private function initialiseRoutes() : void{
       $this->router->map( 'GET|POST', '/user/[a:action]?/[i:id]?', 'UserControler','user_action');
       $this->router->map( 'GET|POST', '/', 'any');
       $this->router->map( 'GET|POST', '/[a:action]/[i:id]?', 'VisteurControler','vistor_action');

    }

    private function callController(string $controller, array $match) : void{
        global $dir, $vues;
        $action = Validation::val_action($match['params']['action']);
        $controller = new $controller;
         if(isset($match['params']['id'])){
            $param[] = $match['params']['id'];
        } else
            $param[] = array();
        if(is_callable(array($controller, $action)))
            call_user_func_array(array($controller, $action), $param);
        else{
            $tabError[] = 'error : controller ';
            require($dir . $vues['error']);
        }
    }

}