<?php

/*
 * 核心方法
 * 应用支持php5.4+
 */

trait appcmp {

    # 应用文件名
    public $m_name = M_NAME;
    # 应用数据库名简写
    public $k_name;
    # 数据库简写名
    public $tname;
    # 模板路径
    public $appshow = '';
    #是否要执行析构方法
    public $destruct = true;
    
    protected function show($file, $data)
    {
        global $_M, $_YW;
        $view =load::sys_class('engine','new');
        require_once $view->dodisplay($file, $data);
    }
    
    protected function check_auth() {
        global $_M, $_YW;
        self::cmp_a();
        $exetime    = time();
        $bool       =  false;
        //解密后的数组
        $cache  = json_decode(authcode($_YW['c']['ac_cache'],'DECODE',md5($_M['config']['met_weburl'])),true);
        //查看本地是否存在禁止更新锁
        if(file_exists(PATH_APP_FILE."config/update.lock")) $cache['update'] = 1;
        //需要对比数据
        if( $cache['time'] > $exetime || ($cache['time'] > $cache['exetime'] && $cache['time'] < $exetime) ){
            $check  = json_decode(authcode($cache['check'],'DECODE', md5(self::parse_url($_M['config']['met_weburl']).md5($this->m_name.$_YW['app']['addtime']))),true);
            $state  = $check['state'] && $check['app']['v_m_name'] == $this->m_name?true:false;
            if($state){
                if($check['vatime']['minute'] > 0){
                    //对有效时间计算
                    $time   = date('Y-m-d H:i:s',$check['vatime']['stime']);
                    $endtime  = strtotime("{$time} +{$check['vatime']['minute']} minute");
                    if($endtime <= $exetime ) $state = false;
                }
                //最终结果判断
                $bool  = $state && !empty($cache['wechat']) && !empty($cache['update'])?true:false;
            }
        }
        if(!$bool) turnover($_M['url']['own_name'].'c=index&a=doindex&check=1','No prompt');
    }
    
    # 加载方法
    public function loadp($str = '') {
        global $_M, $_YW;
        $arr    = explode(",",$str);
        foreach ($arr as $val) {
            self::$val();
        }
    }
    
    # 批量加载
    public function cmp_load() {
        global $_M, $_YW;
        self::loadp('cmp_k,cmp_c,cmp_t');
    }

    # 获取完整数据库
    public function cmp_k() {
        global $_M, $_YW;
        //全局
        $globaltablename = ['cloud_config'];
        //应用独有表名
        $tablename      = file_get_contents(PATH_ALL_APP.$this->m_name.'/config/table');
        $this->k_name   = array_diff(stringto_array($tablename,','),$globaltablename);
        foreach ($this->k_name as $val) {
            $_YW['k'][$val] = $_M['table'][$this->m_name . '_' . $val];
        }
        foreach ($globaltablename as $val) {
            $_YW['k'][$val] = $_M['table'][$val];
        }
    }
    
    # 配置信息
    public function cmp_c($lang = '') {
        global $_M, $_YW;
        $_YW['n']   = $this->m_name;
        if (empty($lang)) $lang = $_M['lang'];
        $result = DB::query("select name,value from {$_M['table']['cloud_config']} where m_name = '{$this->m_name}' AND (lang = '{$lang}' OR lang = 'cloud') ");
        while ($val = DB::fetch_array($result)) {
            $_YW['c'][$val['name']] = $val['value'];
        }
        if(class_exists('admin') || class_exists('app')) self::check_auth();
    }
    
    # 应用信息
    public function cmp_a() {
        global $_M, $_YW;
        $_YW['app'] = DB::get_one("SELECT * FROM {$_M['table']['applist']} WHERE m_name='{$this->m_name}' ");
    }
    
    # 栏目信息
    public function cmp_ac() {
        global $_M, $_YW;
        $_YW['app']['column'] = DB::get_one("SELECT * FROM {$_M['table']['column']} WHERE module='{$_YW['app']['no']}' AND lang='{$_M['lang']}' ");
    }
    
    # 语言文字
    public function cmp_t() {
        global $_M, $_YW;
        $file = PATH_APP_FILE . 'lang/' . $_M['lang'] . '.php';
        if (!file_exists($file)) {
            $file = PATH_APP_FILE . 'lang/cn.php';
        }
        if (file_exists($file)) require_once($file);
    }
    
    # 单条配置语句入库
    public function addconsql($name, $val = '',$lang) {
        global $_M, $_YW;
        if (empty($lang)) $lang = $_M['lang'];
        DB::query("INSERT INTO {$_M['table']['cloud_config']} (name,lang,m_name,value) VALUES ('{$name}','{$lang}','{$this->m_name}','{$val}') ON DUPLICATE KEY UPDATE value='{$val}' ");
    }
    
    # 信息JQ弹出并刷新当前页面
    public function scriptgo($info) {
        global $_M;
        $this->destruct = false;
        echo "<script>alert('{$info}');history.go(-1);</script>";
        exit(0);
    }
    
    //表简称
    public function tname() {
        global $_M, $_YW;
        return substr($_M['form']['a'],2);
    }
    
    //时间格式化
    public function data_time($time) {
        global $_M,$_YW;
        return $time?date('Y-m-d H:i:s', $time):'';
    }
    
    //字符截取
    public function sub_str($str) {
        global $_M,$_YW;
        return strlen($str) > 0?substr($str,0, 8).'...':'';
    }
    
    /*
    * 把数组转成JSON，用于ajax返回，可以用于普通json请求返回，也可以用于跨域的ajax的jsonp格式的数据请求返回。
    * @param array  $back      输出字符串或数组
    * @param string $callback  ajax的回调函数的名称
    */
    public function jsoncallback($back, $callback = 'callback') {
        global $_M;
        header('Content-type: application/x-javascript');
        $callback   = $_M['form'][$callback];
        $json       = json_encode($back,JSON_UNESCAPED_UNICODE);
        echo $callback?$callback . '(' . $json . ')':$json;
    }
    
    # 分析网址
    public function parse_url($url,$type = 'host') {
        global $_M;
        $url    = url_standard($url);
        $array  = parse_url($url);
        return $type == 'arr'?$array:$array[$type];
    }

    //URL参数处理，防止URL拼接错误
    public function http_build_query($url,$arr) {
        global $_M, $_YW;
        if(!in_array(substr($url,-1), ['&','?'])) $url .= '&';
        return $url.http_build_query($arr);
    }
    
    //前端CSS合并
    public function merge_css($addcss = '') {
        global $_M, $_YW;
        $cssfile    = PATH_APP_FILE.'public/css/webcss.css';
        if(!file_exists($cssfile)) return false;
        $css    = file_get_contents($cssfile);
        //自定义新增CSS文件
        $diycss = PATH_APP_FILE.'public/css/diycss.css';
        if(file_exists($diycss)) $css   .= PHP_EOL.file_get_contents($diycss);
        //通过后台新增的CSS
        if(empty($addcss)) $addcss = $_YW['c']['diycss'];
        return file_put_contents(PATH_APP_FILE.'web/templates/met/css/metinfo.css', $css.PHP_EOL.$addcss);
    }
    
    
}