<?php namespace ZN;
/**
 * ZN PHP Web Framework
 * 
 * "Simplicity is the ultimate sophistication." ~ Da Vinci
 * 
 * @package ZN
 * @license MIT [http://opensource.org/licenses/MIT]
 * @author  Ozan UYKUN [ozan@znframework.com]
 */

class Structure
{
    /**
     * Get structure data
     * 
     * @param string $requestUri = NULL
     * 
     * @return array
     */
    public static function data($requestUri = NULL)
    {
        $namespace    = PROJECT_CONTROLLER_NAMESPACE;
        $openFunction = $function = Config::get('Routing', 'openFunction') ?: 'main';
        $parameters   = [];
        $isFile       = '';
        $page         = '';
        $url          = explode('?', $requestUri ?? In::requestURI());
        $segments     = explode('/', $url[0]);

        # The controller information in the URL to be executed is captured.
        $page = $segments[0];

        $classInfo = Autoloader::getClassFileInfo($namespace . $page);

        # Virtual Controller - Added[5.6.0]
        if( ! empty($isFile = $classInfo['path']) )
        {
            $page = pathinfo($isFile, PATHINFO_FILENAME);
        }

        unset($segments[0]);

        # The method information in the URL to be executed is captured.
        if( isset($segments[1]) )
        {
            $function = $segments[1];

            unset($segments[1]);    
        }

        return
        [
            'page'         => $page,
            'file'         => $isFile,
            'function'     => $function,
            'namespace'    => $namespace,
            'openFunction' => $openFunction,
            'parameters'   => array_values($segments ?? [])
        ];
    }

    /**
     * Structure short path descriptions.
     * 
     * @param void
     * 
     * @return void
     */
    public static function defines()
    {
        define('STRUCTURE_DATA'      , self::data());
        define('CURRENT_COPEN_PAGE'  , STRUCTURE_DATA['openFunction']);
        define('CURRENT_CFPARAMETERS', STRUCTURE_DATA['parameters']);
        define('CURRENT_CFILE'       , STRUCTURE_DATA['file']);
        define('CURRENT_CFUNCTION'   , STRUCTURE_DATA['function']);
        define('CURRENT_CPAGE'       , ($page = STRUCTURE_DATA['page']) . '.php');
        define('CURRENT_CONTROLLER'  , $page);
        define('CURRENT_CNAMESPACE'  , $namespace = STRUCTURE_DATA['namespace'] );
        define('CURRENT_CCLASS'      , $namespace . CURRENT_CONTROLLER);
        define('CURRENT_CFPATH'      , str_replace
        (
            CONTROLLERS_DIR, '', CURRENT_CONTROLLER) . '/' . CURRENT_CFUNCTION
        );
        define('CURRENT_CFURI'       , strtolower(CURRENT_CFPATH));
        define('CURRENT_CFURL'       , Request::getSiteURL() . CURRENT_CFPATH);
    }
}