/* 
  *  This file is part of the Unity networking tutorial by M2H (http://www.M2H.nl)
  *  The original author of this code is Mike Hergaarden, even though some small parts 
  *  are copied from the Unity tutorials/manuals.
  *  Feel free to use this code for your own projects, drop us a line if you made something exciting! 
  */
  #pragma strict
  
  private var windowRect1;
  private var windowRect2;
  private var windowRect3;
  
  static var playNowMode : boolean = false;
  static var advancedMode : boolean = false;
  static var playNowModeStarted  : float = 0.0;
  
  static var myPlayerName : String = "MyPlayerName";
  
  //GUI vars
  private var hostPlayers : int = 8;
  private var hostPort : int;
  private var connectPort : int;
  private var connectIP : String = "";
  
  private var multiplayerScript : Menu_multiplayerCode;
  private var currentMenu : String = "";
  
  function Awake ()
  {        
          Screen.lockCursor=false;        
          
          myPlayerName = PlayerPrefs.GetString("playerName");
          
          multiplayerScript = GetComponent(Menu_multiplayerCode);
  
          connectPort = hostPort = multiplayerScript.serverPort;
          connectIP = "127.0.0.1";
          
          windowRect1 = Rect (Screen.width/2-310,Screen.height/2-90,380,280);
          windowRect2 = Rect (Screen.width/2+85,Screen.height/2-90,220,100);
          windowRect3 = Rect (Screen.width/2+85,Screen.height/2+55,220,100);
          
          playNowMode=false;
          advancedMode=false;
  }
  
  function OnGUI ()
  {                
          //If we've connected;  load the game when it's ready to load
          if(Network.isClient || Network.isServer){
                  //Since we're connected, load the game
                  GUI.Box(Rect(Screen.width/4+0,Screen.height/2-30,450,50), "");
                  if(Application.CanStreamedLevelBeLoaded ((Application.loadedLevel+1))){
                          GUI.Label(Rect(Screen.width/4+10,Screen.height/2-25,285,150), "Starting the game!");
                          Application.LoadLevel((Application.loadedLevel+1));
                  }else{
                          GUI.Label(Rect(Screen.width/4+10,Screen.height/2-25,285,150), "Loading the game: "+Mathf.Floor(Application.GetStreamProgressForLevel((Application.loadedLevel+1))*100)+" %");
                  }        
                  return;
          }
          
          
          //Dirty error message popup
          if(multiplayerScript.errorMessage && multiplayerScript.errorMessage!=""){        
                  GUI.Box(Rect(Screen.width/2-100,Screen.height/2-60,200,60), "Error");
                  GUI.Label(Rect(Screen.width/2-90,Screen.height/2-50,180,50), multiplayerScript.errorMessage);
                  if(GUI.Button(Rect(Screen.width/2+40,Screen.height/2-30,50,20), "Close")){
                          multiplayerScript.errorMessage="";
                  }
          }        
          
          if(playNowMode){
                  playNowFunction();
          }else if(advancedMode){
                  
                  if(!multiplayerScript.errorMessage || multiplayerScript.errorMessage==""){ //Hide windows on error
                          if(GUI.Button(Rect(455,90,140,30), "Back to main menu")){
                                  currentMenu="";
                                  advancedMode=false;
                          }
                          windowRect1 = GUILayout.Window (0, windowRect1, listGUI, "Join a game via the list");        
                          windowRect2 = GUILayout.Window (1, windowRect2, directConnectGUIWindow, "Directly join a game via an IP");        
                          windowRect3 = GUILayout.Window (2, windowRect3, hostGUI, "Host a game");
                  }        
                  
          }else{                
                  GUI.Box (Rect (90, 180, 260, 105), "Playername");
                  GUI.Label (Rect (100, 195, 250, 100), "Please enter your name:");
                  
                  myPlayerName = GUI.TextField (Rect (178, 215, 147, 27), myPlayerName);        
                  if(GUI.changed){
                          //Save the name changes
                          PlayerPrefs.SetString("playerName", myPlayerName);
                  }
                  
                  if(myPlayerName==""){
                          GUI.Label (Rect (100, 240, 260, 100), "After entering your name you can start playing!");
                          return;
                  }
                  
                  GUI.Label (Rect (100, 240, 260, 100), "Click on quickplay to start playing right away!");
                                  
                  if(GUI.Button(Rect(400,150,150,30), "Quickplay") ){
                          currentMenu="playnow";
                          playNowMode=true;
                          playNowModeStarted=Time.time;                
                  }
                  if(GUI.Button(Rect(400,245,150,30), "Advanced") ){
                          currentMenu="advanced";
                          advancedMode=true;
                  }
                          
          }
  }
  
  function playNowFunction(){
                  if(GUI.Button(Rect(490,185,75,20), "Cancel")){
                          Network.Disconnect();
                          currentMenu="";
                          playNowMode=false;
                  }
                  
                  GUI.Box(Rect(Screen.width/4+0,Screen.height/2-50,420,50), "");
  
                  if(multiplayerScript.tryingToConnectPlayNowNumber>=10){
                          //If players get fed up waiting they can choose to start a host right away
                          if(GUI.Button(Rect(400,185,75,20), "Just host")){
                                  multiplayerScript.StartHost(hostPlayers, multiplayerScript.serverPort);
                          }
                  }
                  
                  var connectStatus = multiplayerScript.PlayNow(playNowModeStarted);
                  
                  if(connectStatus=="failed"){
                          //Couldn't find a proper host; host ourselves
                          Debug.Log("PlayNow: No games hosted, so hosting one ourselves");        
                          multiplayerScript.StartHost(7, multiplayerScript.serverPort);                                
                  }else{
                          //Still trying to connect to the first hit
                          GUI.Label(Rect(Screen.width/4+10,Screen.height/2-45,385,50), connectStatus);
                  }
  }
  
  function hostGUI(id : int){
  
          GUILayout.BeginVertical();
          GUILayout.Space(10);
          GUILayout.EndVertical();
          
          GUILayout.BeginHorizontal();
          GUILayout.Space(10);
                  GUILayout.Label("Use port: ");
                  hostPort = parseInt(GUILayout.TextField(hostPort.ToString(), GUILayout.MaxWidth(75)));
          GUILayout.Space(10);
          GUILayout.EndHorizontal();        
          
          GUILayout.BeginHorizontal();
          GUILayout.Space(10);
                  GUILayout.Label("Players: ");
                  hostPlayers = parseInt(GUILayout.TextField(hostPlayers.ToString(), GUILayout.MaxWidth(75)));
          GUILayout.Space(10);
          GUILayout.EndHorizontal();
          
          
          GUILayout.BeginHorizontal();
          GUILayout.FlexibleSpace();
                  // Start a new server
                  if (GUILayout.Button ("Start hosting a server")){
                          multiplayerScript.StartHost(hostPlayers, hostPort);
                  }                        
          GUILayout.FlexibleSpace();
          GUILayout.EndHorizontal();
  }
  
  function directConnectGUIWindow(id : int){
  
          GUILayout.BeginVertical();
          GUILayout.Space(5);
          GUILayout.EndVertical();
          GUILayout.Label(multiplayerScript.connectionInfo);
                  
          if(multiplayerScript.nowConnecting){
                  GUILayout.BeginHorizontal();
                  GUILayout.FlexibleSpace();
                  GUILayout.Label("Trying to connect to "+connectIP+":"+connectPort);
                  GUILayout.FlexibleSpace();
                  GUILayout.EndHorizontal();
                  
          } else {                
  
                  GUILayout.BeginHorizontal();
                  GUILayout.Space(10);
                          connectIP = GUILayout.TextField(connectIP, GUILayout.MinWidth(70));
                          connectPort = parseInt(GUILayout.TextField(connectPort+""));
                  GUILayout.Space(10);
                  GUILayout.EndHorizontal();
                  
                  GUILayout.BeginHorizontal();
                  GUILayout.Space(10);
                          Network.useNat = GUILayout.Toggle(Network.useNat, "Advanced: Use NAT");
                  GUILayout.EndHorizontal();
                  
                  GUILayout.BeginHorizontal();
                  GUILayout.Space(10);
                  GUILayout.FlexibleSpace();
                          
                  if (GUILayout.Button ("Connect"))
                  {
                          multiplayerScript.Connect(connectIP, connectPort, Network.useNat);
                  }        
                  
                  GUILayout.FlexibleSpace();
                  GUILayout.EndHorizontal();
          
          }
          
  }
  
  private var scrollPosition : Vector2;
  
  function listGUI (id : int) {
          
                  GUILayout.BeginVertical();
                  GUILayout.Space(6);
                  GUILayout.EndVertical();
          
                  
                  GUILayout.BeginHorizontal();
                  GUILayout.Space(200);
  
                  // Refresh hosts
                  if (GUILayout.Button ("Refresh available Servers"))
                  {
                          multiplayerScript.FetchHostList(true);
                  }
                  multiplayerScript.FetchHostList(false);
                  
                  GUILayout.FlexibleSpace();
                  GUILayout.EndHorizontal();
  
                  //scrollPosition = GUI.BeginScrollView (Rect (0,60,385,200),        scrollPosition, Rect (0, 100, 350, 3000));
                  scrollPosition = GUILayout.BeginScrollView (scrollPosition);
  
                  var aHost : int = 0;
                  
                  if(multiplayerScript.sortedHostList && multiplayerScript.sortedHostList.length>=1){
                          for (var myElement in multiplayerScript.sortedHostList)
                          {
                                  var element=multiplayerScript.hostData[myElement];
                                  GUILayout.BeginHorizontal();
  
                                  // Do not display NAT enabled games if we cannot do NAT punchthrough
                                  if ( !(multiplayerScript.filterNATHosts && element.useNat) )
                                  {                                
                                          aHost=1;
                                          var name = element.gameName + " ";
                                          GUILayout.Label(name);        
                                          GUILayout.FlexibleSpace();
                                          GUILayout.Label(element.connectedPlayers + "/" + element.playerLimit);
                                          
                                          if(element.useNat){
                                                  GUILayout.Label(".");
                                          }
                                          GUILayout.FlexibleSpace();
                                          GUILayout.Label("[" + element.ip[0] + ":" + element.port + "]");        
                                          GUILayout.FlexibleSpace();
                                          if(!multiplayerScript.nowConnecting){
                                          if (GUILayout.Button("Connect"))
                                                  {
                                                          multiplayerScript.Connect(element.ip, element.port, element.useNat);
                                                  }
                                          }else{
                                                  GUILayout.Button("Connecting");
                                          }
                                          GUILayout.Space(15);
                                  }
                                  GUILayout.EndHorizontal();        
                          }
                  }                
                  GUILayout.EndScrollView ();
                  if(aHost==0){
                          GUILayout.Label("No games hosted at the moment..");
                  }
  }