import console from 'console';

function defaultLog(_message?: any, ..._optionalParams: any[]): void {
    if(_isLog())	console.log.apply(console, arguments);
}

function defaultWarn(_message?: any, ..._optionalParams: any[]): void{
    if(_isWarn()) console.error.apply(console, arguments);
}

function defaultIsLog(): boolean {
    return /^true$/.test(process.env.verbose);
}

function defaultIsWarn(): boolean {
    return true;
}

var _log = defaultLog;
var _warn = defaultWarn;
var _isLog = defaultIsLog;
var _isWarn = defaultIsWarn;

export = {
    log: function(_message?: any, ..._optionalParams: any[]): void {
        _log.apply(null, arguments);
    },
    warn: function(_message?: any, ..._optionalParams: any[]): void {
        _warn.apply(null, arguments);
    },
    setLog(func: (_message?: any, ..._optionalParams: any[]) => void){
        _log = func;
    },
    setWarn(func: (_message?: any, ..._optionalParams: any[]) => void){
        _warn = func;
    },
    setIsLog(func: () => boolean): void {
        _isLog = func;
    },
    setIsWarn(func: () => boolean): void {
        _isWarn = func;
    }
}