/**
 * Debug Light (formatting not support)
 * version 1.2
 * @param prefix - Print before a main message (ex. <PREFIX><MESSAGE>)
 * @constructor
 */
function DebugLight(prefix) {
    this.on = function () {
        this.__LOG_ON = true;
    };
    this.off = function () {
        this.__LOG_ON = true;
    };
    this.setPrefix = function (prefix) {
        this.__LOG_PREFIX = prefix.toString();
    };
    this.__LOG_PREFIX = prefix ? prefix+' :: ' : '[DEBUG] :: ';
    this.__LOG_ON = false;
    this.log = function () {
        if (this.__LOG_ON) {
            console.log.apply(console, this.__getArgs(arguments));
        }
    };
    this.info = function () {
        if (this.__LOG_ON) {
            console.info.apply(console, this.__getArgs(arguments));
        }
    };
   this.warn = function () {
        if (this.__LOG_ON) {
            console.warn.apply(console, this.__getArgs(arguments));
        }
    };
   this.__getArgs = function(fn_args){
        var args = Array.prototype.slice.call(fn_args);
        args.unshift(this.__LOG_PREFIX);
        return args;
    }
}