var Sequence = require('./Sequence');
var Util     = require('util');
var Packets  = require('../packets');

module.exports = Statistics;
Util.inherits(Statistics, Sequence);
function Statistics(options, callback) {
  if (!callback && typeof options === 'function') {
    callback = options;
    options = {};
  }

  Sequence.call(this, options, callback);
}

Statistics.prototype.start = function() {
  this.emit('packet', new Packets.ComStatisticsPacket());
};

Statistics.prototype['StatisticsPacket'] = function (packet) {
  this.end(null, packet);
};

Statistics.prototype.determinePacket = function determinePacket(firstByte) {
  if (firstByte === 0x55) {
    return Packets.StatisticsPacket;
  }

  return undefined;
};