<?php
/**
 * fastphp框架核心
 */
class Core
{
    private static  $model = 'common';
    // 运行程序
    public function run()
    {
        spl_autoload_register(array($this, 'loadClass'));
        $this->setReporting();
        $this->removeMagicQuotes();
        $this->unregisterGlobals();
        $this->query_data_filter();
        $this->route();
    }

    // 路由处理
    public function route()
    {
        $path_info = $_SERVER['PATH_INFO'];
        $path_info && $path_info = @explode('/',trim($path_info,'/'));
        $parame = $_SERVER['QUERY_STRING'];
        $query_string = (array)str::strtoparames($parame);

        // 获取模块。分为前端和后台
        if($path_info[0]==WEB_PATH || $path_info[0]==ADMIN_PATH){
            self::$model = $path_info[0];
            array_shift($path_info);
        }

        if($path_info){
            $controllerName = ucfirst($path_info[0]);
            array_shift($path_info);
        }elseif($query_string['mod']){
            $controllerName = ucfirst($query_string['mod']);
        }else{
            $controllerName = 'Index';
        }
        $controller = ucfirst($controllerName) . 'Controller';
        if(!class_exists($controller)){
            View::page_404();
        }

        if($path_info){
            $action = str_replace('.html','',$path_info[0]);//将act的后缀去掉
            array_shift($path_info);
        }elseif($query_string['act']){
            $action = $query_string['act'];
        }else{
            $action = 'index';
        }
        $action .= '_action';
        $controller_main = new $controller($controllerName,$action,self::$model);
        if(!method_exists($controller_main,$action)){
            View::page_404();
        }

        // 实例化控制器
        //$dispatch = new $controller($controllerName, $action,self::$model);
        // 如果控制器存和动作存在，这调用并传入URL参数
        if ((int)method_exists($controller, $action)) {
            call_user_func_array(array($controller_main, $action),array(($path_info[0]?str_replace('.html','',$path_info[0]):$parame)));
        } else {
            View::page_404();
            //exit($controller. '::'.$action. "控制器不存在");
        }
    }

    // 检测开发环境
    public function setReporting()
    {
        header('Content-Type: text/html; charset=utf-8');
        date_default_timezone_set('PRC');
        if (APP_DEBUG === true) {
            error_reporting(E_ALL);
            ini_set('display_errors','On');
            /*@error_reporting(E_ALL ^ E_NOTICE ^ E_DEPRECATED);
            //@ini_set('session.cookie_domain','www.bspect.com');
            phpversion()<'5.3.0' && set_magic_quotes_runtime(0);
            	//5.1.0*/
        } else {
            error_reporting(E_ALL);
            ini_set('display_errors','Off');
//            ini_set('log_errors', 'On');
//            ini_set('error_log', RUNTIME_PATH. 'logs/error.log');
        }
        //开户session
        //@ini_set('session.cookie_domain','tbbcompany.com');
        session_start();
        isset($_GET['session_id']) && @session_id($_GET['session_id']);
    }

    // 删除敏感字符
    public function stripSlashesDeep($value)
    {
        $value = is_array($value) ? array_map(array($this, 'stripSlashesDeep'), $value) : stripslashes($value);
        return $value;
    }

    // 检测敏感字符并删除
    public function removeMagicQuotes()
    {
        if (get_magic_quotes_gpc()) {
            $_GET = isset($_GET) ? $this->stripSlashesDeep($_GET ) : '';
            $_POST = isset($_POST) ? $this->stripSlashesDeep($_POST ) : '';
            $_COOKIE = isset($_COOKIE) ? $this->stripSlashesDeep($_COOKIE) : '';
            $_SESSION = isset($_SESSION) ? $this->stripSlashesDeep($_SESSION) : '';
        }
    }

    // 检测自定义全局变量（register globals）并移除
    public function unregisterGlobals()
    {
        if (ini_get('register_globals')) {
            $array = array('_SESSION', '_POST', '_GET', '_COOKIE', '_REQUEST', '_SERVER', '_ENV', '_FILES');
           foreach ($array as $value) {
                foreach ($GLOBALS[$value] as $key => $var) {
                    if ($var === $GLOBALS[$key]) {
                        unset($GLOBALS[$key]);
                    }
                }
            }
        }
    }

    // 自动加载控制器和模型类 
    public static function loadClass($class)
    {
        $url = isset($_GET['url']) ? $_GET['url'] : false;

        $frameworks = FRAME_PATH . $class . '.class.php';
        $status_class = FRAME_PATH . '/class/' . $class . '.class.php';

        $controllers = APP_PATH . 'application/'.(self::$model).'/controllers/' . $class . '.class.php';
        $models = APP_PATH . 'application/'.(self::$model).'/models/' . $class . '.class.php';
        if (file_exists($frameworks)) {
            // 加载框架核心类
            include $frameworks;
        }elseif(file_exists($status_class)){
            //常用用类
            include $status_class;
        } elseif (file_exists($controllers)) {
            // 加载应用控制器类
            include $controllers;
        } elseif (file_exists($models)) {
            //加载应用模型类
            include $models;
        } else {
            // 错误代码
        }
    }

    /***
     *	数据过滤
     */
    private function  query_data_filter(){
        $this->slashes_gpcf($_GET);
        $this->slashes_gpcf($_POST);
        $this->slashes_gpcf($_COOKIE);
        $this->slashes_gpcf($_FILES);
        $this->slashes_gpcf($_REQUEST);
    }

    /**
     *	请求数据处理
     */
    private function slashes_gpcf(&$ary){
        foreach($ary as $k=>$v){
            if(is_array($v)){
                self::slashes_gpcf($ary[$k]);
            }else{
                $ary[$k]=trim($ary[$k]);
                !get_magic_quotes_gpc() && $ary[$k]=addslashes($ary[$k]);
            }
        }
    }
}