/**
 * init_js - 构造前端页面js资源请求的函数
 * @author  pjg
 * @param [string] $js_names 传入需要加载的js名称,不能为空,多个js用半角逗号“,”隔开
 * @param [string] $CURRENT_Environment 当前的环境，默认是'pc'，即静态域名为 PCSTATICS_SITE_URL
 *         ,如果值为'bc',则为BCSTATICS_SITE_URL
 * @return  string
 * @example 
 * <?php echo init_js('sb.corelibs.js,sb.mods_index.js,sb.mods_list.js,piwik.js');?>
 * 当在local开发环境下，默认启动require+jquery来调试源码，同时提供在URL加上 ‘dev=2’ 的参数时，则可以开启生产代码的调试
 * 当在test、rc以及生产环境下，在URL上加上 ‘dev=1’ 的参数时，则可以开启源码调试模式，以便错误的排查
 * 
 */
function init_js($js_names,$CURRENT_Environment='pc'){
    $jslink = '';
    // 调试开关 dev=1
    $_is_debug = $_GET['dev']==1 ? true : false;
    $_is_local = CURRENT_DOMAIN != 'test.' && CURRENT_DOMAIN != 'rc.' && CURRENT_DOMAIN != '';
    // 判断当前静态环境
    $static_path = ($CURRENT_Environment=='bc' ? BCSTATICS_SITE_URL : PCSTATICS_SITE_URL);
    $static_path .= (($_is_debug||$_is_local)&&$_GET['dev']!=2) ? '/_src' : '/assets';
    $js_path = $static_path . ((($_is_debug||$_is_local)&&$_GET['dev']!=2) ? '/_js/' : '/js/');
    // 处理请求
    $_tempArr = explode(",",$js_names);
    $map_path = BASE_TEMPlATES_ROOT_PATH .'/map/'.$CURRENT_Environment; // 构造map的资源路径
    $jsmap = require_once($map_path.'/jslibs.php');
    foreach ($_tempArr as $key => $value) {
        // 如果是本地，并且URL参数dev=2，那么可以直接调试生产码
        if(($_is_debug||$_is_local)&&$_GET['dev']!=2){
            // 调试模式
            if($value=='sb.corelibs.js'){
                $jslink .= '<script>var STATIC_PATH="'.$static_path.'",VARS=window.VARS={},_VM_=window._VM_={};</script>';
                $jslink .= '<script src="'.$js_path.'vendor/require/require.js"></script>' . "\n";
                $jslink .= '<script src="'.$js_path.'vendor/jquery/jquery.js"></script>' . "\n";
                $jslink .= '<script src="'.$js_path.'require_cfg.js?t='.time().'"></script>';
            }else{
                if(strpos($value,'sb.')===0){
                    $jsmod_name = str_replace('_','/',str_replace('.js','',str_replace('sb.','',$value)));
                    $jslink .= '<script>require(["' . $jsmod_name . '"])</script>';
                }else{
                    $jslink .= '<script src="'.$js_path.$value.'?t='.time().'"></script>';
                }
            }
        }else{
            // 生产模式
            $js_name = $value;
            $_id = str_replace('.js','',str_replace('sb.','',$value));
            if(array_key_exists($value,$jsmap)){
                $js_name = $jsmap[$value]['distname'];
            }else{
                $js_name = $value.'?t='.date("Ymdhi");
            }
            if($value=='sb.corelibs.js'){
                $jslink .= '<script>var STATIC_PATH="'.$static_path.'",VARS=window.VARS={},_VM_=window._VM_={};</script>';
            }
            $jslink .= '<script src="'.$js_path.$js_name.'" id="'.$_id.'"></script>';
        }
    }
    return $jslink;
}

/**
 * init_css - 构造前端页面css资源请求的函数
 * @author pjg
 * @param [string] $css_names  传入需要加载的css名称,不能为空,多个css用半角逗号“,”隔开
 * @param [string] $CURRENT_Environment 当前的环境，默认是'pc'，即静态域名为 PCSTATICS_SITE_URL
 *         ,如果值为'bc',则为BCSTATICS_SITE_URL
 * @return [string]
 * @example 
 * <?php echo init_css('common.css,index.css,test.css','pc');?>
 */
function init_css($css_names,$CURRENT_Environment='pc'){
    $csslink = '';
    // 调试开关 dev=1
    $_is_debug = $_GET['dev']==1 ? true : false;
    $_is_local = CURRENT_DOMAIN != 'test.' && CURRENT_DOMAIN != 'rc.' && CURRENT_DOMAIN != '';
    // 判断当前静态环境
    $static_path = ($CURRENT_Environment=='bc' ? BCSTATICS_SITE_URL : PCSTATICS_SITE_URL);
    $static_path .= (($_is_debug||$_is_local)&&$_GET['dev']!=2) ? '/_src/_css/' : '/assets/css/';
    // 处理请求
    $map_path = BASE_TEMPlATES_ROOT_PATH .'/map/'.$CURRENT_Environment; // 构造map的资源路径
    $cssmap = require_once($map_path.'/cssmap.php');
    $_tempArr = explode(",",$css_names);
    foreach ($_tempArr as $key => $value) {
        $css_name = $value;
        if(($_is_debug||$_is_local)&&$_GET['dev']!=2){
            // 调试模式
            $css_name = $value.'?t='.time();
        }else{
            // 生产模式
            if(array_key_exists($value,$cssmap)){
                $css_name = $cssmap[$value]['distname'];
            }else{
                $css_name = $value.'?t='.date("Ymdhi");
            }
        }
        $csslink .= '<link href="' . $static_path . $css_name . '" rel="stylesheet" type="text/css">';
    }
    return $csslink;
}