var remote = require('remote');
var app = remote.require('app');
var crypto = require('crypto');
var uuid = require('node-uuid');
var level = require('levelup');
var path = require('path');
var db = level(path.join(process.env[(process.platform === 'win32') ? 'USERPROFILE' : 'HOME'], 'Library/Application Support/Kitematic/data', 'db'));

Metrics = {};

Metrics.trackEvent = function (name) {
  if (!name) {
    return;
  }
  var uuid = localStorage.getItem('metrics.uuid');
  db.get('metrics.enabled', function (err, value) {
    if (!err && uuid) {
      mixpanel.track('docker_gui ' + name, {
        distinct_id: uuid,
        version: app.getVersion()
      });
    }
  });
};

Metrics.prepareTracking = function () {
  db.get('metrics.enabled', function (err, value) {
    if (err && err.notFound) {
      var settings = Settings.findOne();
      if (settings && settings.tracking) {
        db.put('metrics.enabled', !!settings.tracking);
      } else {
        db.put('metrics.enabled', true);
      }
    }
    db.get('metrics.uuid', function (err, value) {
      db.put('metrics.uuid', uuid.v4());
    });
  });
};