// http://dev.mysql.com/doc/internals/en/connection-phase-packets.html#packet-Protocol::AuthSwitchRequest
var Buffer = require('safe-buffer').Buffer;

var Packet = require('../packets/packet');

function AuthSwitchResponse(data) {
  if (!Buffer.isBuffer(data)) {
    data = Buffer.from(data);
  }
  this.data = data;
}

AuthSwitchResponse.prototype.toPacket = function() {
  var length = 4 + this.data.length;
  var buffer = Buffer.allocUnsafe(length);
  var packet = new Packet(0, buffer, 0, length);
  packet.offset = 4;
  packet.writeBuffer(this.data);
  return packet;
};

AuthSwitchResponse.fromPacket = function(packet) {
  var data = packet.readBuffer();
  return new AuthSwitchResponse(data);
};

module.exports = AuthSwitchResponse;