adamrenklint/asimov-core

var WBEventEmitter = require('wunderbits.core').WBEventEmitter;
var _ = require('lodash');
var colors = require('colors');

var start;
var _super = WBEventEmitter.prototype;

module.exports = WBEventEmitter.extend({

  'pending': function (namespace, message, color) {

    var self = this;
    message += '...';
    return self.log(namespace, message, color);
  },

  'pad': function (string, length) {

    var self = this;
    if (string.length < length) {
      return self.pad(' ' + string, length);
    }
    return string;
  },

  'log': function (namespace, message, color) {

    var self = this;
    if (process.env.MUTE === 'true') return;

    if (namespace === 'error') color = 'red';

    namespace = self.pad('[' + namespace.toLowerCase() + '] ', 10);

    message = namespace + message;

    if (!self.lastNamespace || namespace !== self.lastNamespace) {
      message = '\n' + message;
      self.lastNamespace = namespace;
    }

    message = message.replace(process.cwd(), '');

    if (color) {
      message = message[color];
    }

    console.log(message);
  },

  'since': function (namespace, message, then, color) {

    var self = this;
    var time = self.getTime(then);
    time = time ? ' +' + time : '';
    color && (time = time[color]);

    self.log(namespace, message + time, color);
  },

  'getTime': function (then) {

    var now = new Date();
    var difference = now - then;
    var timeString = (difference/1000) + 's';
    return difference && timeString || '';
  },

  'low': function (namespace, message) {

    var self = this;
    if (process.env.VERBOSE) {
      self.pending(namespace, message, 'grey');
    }
  },

  'lowSince': function (namespace, message, date) {

    var self = this;
    if (process.env.VERBOSE) {
      self.since(namespace, message.grey, date, 'grey');
    }
  }
});