<?php

namespace PhangoApp\PhaRouter;
use PhangoApp\PhaUtils\Utils;

class Config {
    
    static public $home_module='welcome';
    
}

// Very simple router, two levels deep, module and controller
// First deep element in path modules/{module}/controllers/index.php -> /module
// Second deep element in path modules/{module}/controllers/{controller}.php -> /module/controller
// Third deep element and more in path are variables into controller function
// Filter the elements path with slugify function. 

function get_controller($controller, $args=[]) {
    
    if(is_file($controller)) {
        
        include($controller);
        
        return call_user_func_array('controller', $args);
        
    }
    else {

        echo 'Page not found';
        
        http_response_code(404);
    
        exit(1);
        
    }
    
}

function get_route($path_info) {

    if($path_info!='') {
        
        $arr_path=explode('/', $path_info);
        
        if($arr_path[count($arr_path)-1]=='') {
            
            unset($arr_path[count($arr_path)-1]);
            
        }

        unset($arr_path[0]);
        
        foreach($arr_path as $k => $info) {
            
            $arr_path[$k]=Utils::slugify($info);
        }
        
        switch (count($arr_path)) {
            
            case 0:
            
                $controller='modules/'.\PhangoApp\PhaRouter\Config::$home_module.'/controllers/index.php';
        
                return \PhangoApp\PhaRouter\get_controller($controller, []);
            
            break;
            
            case 1:
            
                $controller='modules/'.$arr_path[1].'/controllers/index.php';
        
                return \PhangoApp\PhaRouter\get_controller($controller, []);
            
            break;
            
            case 2:
            
                $controller='modules/'.$arr_path[1].'/controllers/'.$arr_path[2].'.php';
        
                return \PhangoApp\PhaRouter\get_controller($controller, []);
            
            break;
            
            default:
            
                $controller='modules/'.$arr_path[1].'/controllers/'.$arr_path[2].'.php';
            
                $args=array_slice($arr_path, 2, count($arr_path));
                
                return \PhangoApp\PhaRouter\get_controller($controller, $args);
            
            break;
            
        }
        
    }
    else {
        
        $controller='modules/'.\PhangoApp\PhaRouter\Config::$home_module.'/controllers/index.php';
        
        return \PhangoApp\PhaRouter\get_controller($controller, []);
        
    }


}