'use strict';

var bunyan  = require('bunyan');
var async   = require('async');

var logLevel = process.env.LAMASSU_ENV === 'debug' ?
  'debug' :
  'info';

var bunyan = bunyan.createLogger({name: 'lamassu-server', level: logLevel});

// log version
var version = require('../package.json').version;
bunyan.info('Version: %s', version);

// log git stuff (optional)
// `git-rev` omits `err` param in callback, without this wrapper
// `async` interprets returned values as errors.
function wrapper(fn, cb) {
  fn(function(value) {
    cb(null, value);
  });
}
try {
  var git = require('git-rev');

  async.parallel([
    async.apply(wrapper, git.branch),
    async.apply(wrapper, git.short)
  ],
  function(err, values) {
    bunyan.info('Git: #%s @%s', values[0], values[1]);
  });
} catch (_) {}

module.exports = bunyan;