<?php
use base\Config;
use base\Route;

/**
 * 获取设置配置
 * @param  string $key   配置项
 * @param  mixed  $value 配置值
 * @return array
 */
function C($key = NULL, $value = NULL){
    if( func_num_args() <= 1 ){
        return Config::get($key);
    }else{
        return Config::set($key, $value);
    }
}

/**
 * URL生成
 * @param  string $route  地址
 * @param  array  $params 参数
 * @return string
 */
function U($route = null, $params = array(), $domain = false){
    $url = Route::url($route, $params);
    if (true === $domain) {
        $domain = $_SERVER['HTTP_HOST'];
        $url = (is_ssl() ? 'https://' : 'http://') . $domain . $url;
    }
    return $url;
}

/**
 * 对象调用函数
 * @param  string $class 模块名/类名
 * @param  string $layer 模块层
 * @return object
 */
function A($class, $layer = 'models'){
    static $objArr = array();
    $param = explode('/', $class, 2);
    $paramCount = count($param);
    switch ($paramCount) {
    case 1:
        $app = APP_NAME;
        $module = $param[0];
        break;
    case 2:
        $app = $param[0];
        $module = $param[1];
        break;
    }
    $app = strtolower($app);
    $class = "\\apps\\{$app}\\{$layer}\\{$module}".ucfirst(rtrim($layer, 's'));
    if(!class_exists($class)){
        $class = "\\apps\\base\\{$layer}\\{$module}".ucfirst(rtrim($layer, 's'));
    }
    if(isset($objArr[$class])){
        return $objArr[$class];
    }
    if(!class_exists($class)){
        throw new \Exception("Class '{$class}' not found'", 500);
    }
    $obj = new $class();
    $objArr[$class] = $obj;
    return $obj;
}

/**
 * 获得 ECSHOP 当前环境的 HTTP 协议方式
 *
 * @access  public
 *
 * @return  void
 */
function http()
{
    return (isset($_SERVER['HTTPS']) && (strtolower($_SERVER['HTTPS']) != 'off')) ? 'https://' : 'http://';
}

/**
 * 取得当前的域名
 *
 * @access  public
 *
 * @return  string      当前的域名
 */
function get_domain()
{
    /* 协议 */
    $protocol = http();

    /* 域名或IP地址 */
    if (isset($_SERVER['HTTP_X_FORWARDED_HOST']))
    {
        $host = $_SERVER['HTTP_X_FORWARDED_HOST'];
    }
    elseif (isset($_SERVER['HTTP_HOST']))
    {
        $host = $_SERVER['HTTP_HOST'];
    }
    else
    {
        /* 端口 */
        if (isset($_SERVER['SERVER_PORT']))
        {
            $port = ':' . $_SERVER['SERVER_PORT'];

            if ((':80' == $port && 'http://' == $protocol) || (':443' == $port && 'https://' == $protocol))
            {
                $port = '';
            }
        }
        else
        {
            $port = '';
        }

        if (isset($_SERVER['SERVER_NAME']))
        {
            $host = $_SERVER['SERVER_NAME'] . $port;
        }
        elseif (isset($_SERVER['SERVER_ADDR']))
        {
            $host = $_SERVER['SERVER_ADDR'] . $port; //IP
        }
    }

    return $protocol . $host;
}

/**
 *  * 获取顶级域名
 *   * @param unknown $url
 *    * @return unknown
 *     */
function get_top_domain($url = '')
{
    $url = empty($url) ? get_domain() : $url;
    $host = strtolower($url);
    if (strpos($host, '/') !== false) {
        $parse = @parse_url($host);
        $host = $parse['host'];
    }
    $topleveldomaindb = array(
        'com',
        'edu',
        'gov',
        'int',
        'mil',
        'net',
        'org',
        'biz',
        'info',
        'pro',
        'name',
        'museum',
        'coop',
        'aero',
        'xxx',
        'idv',
        'mobi',
        'cc',
        'me'
    );
    $str = '';
    foreach ($topleveldomaindb as $v) {
        $str .= ($str ? '|' : '') . $v;
    }

    $matchstr = "[^\.]+\.(?:(" . $str . ")|\w{2}|((" . $str . ")\.\w{2}))$";
    if (preg_match("/" . $matchstr . "/ies", $host, $matchs)) {
        $domain = $matchs['0'];
    } else {
        $domain = $host;
    }
    return $domain;
}


/**
 * 自动注册类
 */
spl_autoload_register(function($class){
    static $fileList = array();
    $prefixes =array(
        'base' => BASE_PATH,
        'libraries' => BASE_PATH,
        'classes' => BASE_PATH,
        'vendor' => BASE_PATH,
        'apps' => BASE_PATH,
        '*' => BASE_PATH,
    );

    $class = ltrim($class, '\\');
    if (false !== ($pos = strrpos($class, '\\')) ){
        $namespace = substr($class, 0, $pos);
        $className = substr($class, $pos + 1);

        foreach ($prefixes as $prefix => $baseDir){
            if ( '*'!==$prefix && 0!==strpos($namespace, $prefix) ) continue;

            //file path case-insensitive
            $fileDIR = $baseDir.str_replace('\\', '/', $namespace).'/';
            if( !isset($fileList[$fileDIR]) ){
                $fileList[$fileDIR] = array();
                foreach(glob($fileDIR.'*.php') as $file){
                    $fileList[$fileDIR][] = $file;
                }
            }

            $fileBase = $baseDir.str_replace('\\', '/', $namespace).'/'.$className;
            foreach($fileList[$fileDIR] as $file){
                if( false!==stripos($file, $fileBase) ){
                    require $file;
                    return true;
                }
            }
        }
    }
    return false;
});