<?php
namespace app;
use \app\Route;

class App{
    public static $classMap = array();#用于判断类是否存在，节约性能
 
    /**
     * 运行控制器和方法
     * @throws \Exception
     */
    public static function run()
    {
        $ctrlClass = '\\app\\Index';
        $action = self::getAction();
        $ctrl = new $ctrlClass();
        $ctrl->$action();
    }

    public static function getAction()
    {
        $pathinfo = "";
        if ($_SERVER['PATH_INFO']) {
            $pathinfo = $_SERVER['PATH_INFO'];
        } else {
            $pathinfo = strpos($_SERVER['REQUEST_URI'], '?') ? strstr($_SERVER['REQUEST_URI'], '?', true) : $_SERVER['REQUEST_URI'];
        }

        $action = 'index';

        if ($pathinfo) {
            $pathArr = explode('/',trim($pathinfo,'/'));//数组
            if (isset($pathArr[0])){
                $action = camelize($pathArr[0]);
                unset($pathArr[0]);
            }
            //url 多余部分转换成GET eg:index/id/1 实现get传值
            // $count = count($pathArr) + 1;

            // $i = 1;
            // while ($i < $count){
            //     if (isset($pathArr[$i+1])){
            //         $_GET[$pathArr[$i]] = $pathArr[$i+1];
            //     }
            //     $i = $i + 2;
            // };
            if (isset($pathArr[1])) {
                $_GET['doc'] = $pathArr[1];
            }
        }
        $action = $action ? : "index";
        
        $GLOBALS['action'] = $action;
        
        return $action;
    }
}