/**
 * server/stage.js
 * 각종 스테이지들
 *
 */

// module
var util = require('util')

// include
var proto = require('../common/protocol')
var utils = require('../common/utils')

// init
var InitStage = function (user) {
  this.name = 'Init'
  this.user = user
}
util._extend(InitStage.prototype, {
  start: function () {},

  recvConnect: function () {
    this.sendConnect()
    this.user.goLogin()
  },

  sendConnect: function () {
    this.user.send(proto.PK_CONNECT, 'OK')
  },

  clientLink: function (header, data) {
    if (header == proto.PK_CONNECT) {
      this.recvConnect()
    }
  },
})

// in login
var LoginStage = function (user) {
  this.name = 'Login'
  this.user = user
}
util._extend(LoginStage.prototype, {
  start: function () {},

  recvLogin: function (name) {
    this.user.nickname = name
    this.user.logined = true

    var err = this.user.goLobby()
    this.sendLogin(err)
  },

  sendChat: function (talker, message) {
    this.user.send(proto.PK_LOBBY_CHAT, { name: talker.nickname, message: message })
  },
  sendLogin: function (err) {
    if (!err) {
      this.user.send(proto.PK_LOGIN, 'OK')
    } else {
      this.user.send(proto.PK_LOGIN, ret)
    }
  },

  clientLink: function (header, data) {
    if (header == proto.PK_LOGIN) {
      var name = data.toString('utf-8')
      this.recvLogin(name)
    }
  },
})

// in lobby
var LobbyStage = function (user) {
  this.name = 'Lobby'
  this.user = user
}
util._extend(LobbyStage.prototype, {
  start: function () {},

  recvLobbyChat: function (message) {
    this.user.lobby.chat(this.user, message)
  },

  clientLink: function (header, data) {
    if (header == proto.PK_LOBBY_CHAT) {
      var message = data.toString('utf-8')
      this.recvLobbyChat(message)
    }
  },
})

module.exports = {
  InitStage: InitStage,
  LoginStage: LoginStage,
  LobbyStage: LobbyStage,
}