'use strict';

const dominoLogger = require('domino-logger');
const moment = require('moment');

// first, create factory for new loggers
// pass your app name to domino-logger function
const loggerFactory = dominoLogger('kinopoisk');

// second, create logger instance
// available options are:
// - emitErrors: emit errors if logger.error is called (true by default)
// - format: custom formatting function for production environment
//     invoked with req (http.incomingMessage), namespace and message
// - namespace: next level namespace (log namespace is appname:nextlevel then)
const loggerInstance = loggerFactory({
    // for example like this
    format: function (req, namespace, message) {
        return moment().format('YYYY-MM-DD HH:mm:ss.SSS') + '\t' +
            'pid:' + process.pid + '\t' +
            'request_id:' + req.uuid + '\t' +
            'yandex_uid:' + req.auth.yandex_uid + '\t' +
            namespace + '\t' +
            message;
    }
}).on('error', ({namespace, message, req}) => {
    // handle errors
});