using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace GamerServices
{
    public class Networker
    {
        public MrAG.Networking.TCPClient Connection;
        public FormMain Main;

        public Networker(FormMain mainform){
            Main = mainform;
        }

        public bool Initialize() {
            if (!System.IO.Directory.Exists("Games"))
                System.IO.Directory.CreateDirectory("Games");

            try
            {
                Connection = MrAG.Serverlist.Connect("mrag.nl", 2222, false);
                Connection.DebugMode = false;
                Main.Connected = true;

                #region packets
                // 0-2: User related packets
                Connection.Packets[0] = new Action<MrAG.Networking.Packet>(Packet_00); // Login
                Connection.Packets[1] = new Action<MrAG.Networking.Packet>(Packet_01); // Logout
                Connection.Packets[2] = new Action<MrAG.Networking.Packet>(Packet_02); // Ping/pong

                // 3 - 9 Friends & chatting
                Connection.Packets[3] = new Action<MrAG.Networking.Packet>(Packet_03); // List Friends
                Connection.Packets[4] = new Action<MrAG.Networking.Packet>(Packet_04); // Friend online change
                Connection.Packets[5] = new Action<MrAG.Networking.Packet>(Packet_05); // Friend Chatmessage
                Connection.Packets[6] = new Action<MrAG.Networking.Packet>(Packet_06); // Friend request (server > client = username, client > server = username + bool)
                Connection.Packets[7] = new Action<MrAG.Networking.Packet>(Packet_07); // Friend Add friend
                Connection.Packets[8] = new Action<MrAG.Networking.Packet>(Packet_08); // Friend Start/exit game

                // 10-29: Game related packets
                Connection.Packets[10] = new Action<MrAG.Networking.Packet>(Packet_10); // List Games
                Connection.Packets[11] = new Action<MrAG.Networking.Packet>(Packet_11); // Game Update (client > server = GameID)
                Connection.Packets[12] = new Action<MrAG.Networking.Packet>(Packet_12); // Game Achievements (client > server = GameID)
                Connection.Packets[13] = new Action<MrAG.Networking.Packet>(Packet_13); // Game Leaderboard (client > server = GameID)
                Connection.Packets[14] = new Action<MrAG.Networking.Packet>(Packet_14); // Game Login (client > server = GameID, SessID, APIKey, Identifier)
                Connection.Packets[15] = new Action<MrAG.Networking.Packet>(Packet_15); // Game ServerList

                
                // 30 - 39: General
                Connection.Packets[30] = new Action<MrAG.Networking.Packet>(Packet_30); // Message
                Connection.Packets[31] = new Action<MrAG.Networking.Packet>(Packet_31); // Avatar request


                // 40 - 9001: Returns
                Connection.Packets[42] = new Action<MrAG.Networking.Packet>(Packet_42); // Game Leaderboard submit return
                #endregion
            }
            catch(Exception e)
            {
                string text = "";
                if (System.IO.File.Exists("error.txt")) {
                    text = System.IO.File.ReadAllText("error.txt");
                }

                text += "[" + e.Source + "] " + e.Message + "\r\n\tStacktrace: " + e.StackTrace + "\r\n\tHelpLink: " + e.HelpLink +  "\r\n\tTargetsite: " + e.TargetSite + "\r\n\tType: " + e.GetType().FullName + "\r\n\r\n";

                System.IO.File.WriteAllText("error.txt", text);
                return false;
            }

            return true;
        }

        public void Update() {
            try{
                this.Connection.Update();
            }catch(Exception e){
                try {
                    Connection.Send(1, 0);
                    Connection.Connection.Close();
                } catch {
                }


                Connection = null;
                Main.Connected = false;

                Main.Username = "";
                Main.Sessionkey = "";

                lock (Main.Friends) {
                    foreach (Friend f in Main.Friends) {
                        if (f.ChatWindow != null) f.ChatWindow.Close();
                    }
                }

                lock (Main.Games) {
                    foreach (Game g in Main.Games) {
                        g.ForceStop = true;
                    }
                }

                Main.Hide();
                Main.FormLogin.Enabled = true;
                Main.FormLogin.textPassword.Text = "";
                Main.FormLogin.connected = false;
                Main.FormLogin.Show();
                Main.Error("Lost connection to GamerServices.\nPlease try reconnecting.");
            }
        }

        public void Login(string user, string pass) {
            Connection.Send(0, 0, user, pass);
        }


        public void Logout()
        {
            if (this.Main.Connected)
                this.Connection.Send(1, 0);
        }

        public string MD5(string input)
        {
            System.Security.Cryptography.MD5CryptoServiceProvider x = new System.Security.Cryptography.MD5CryptoServiceProvider();
            System.Text.StringBuilder s = new System.Text.StringBuilder();
            byte[] bs = System.Text.Encoding.UTF8.GetBytes(input);

            bs = x.ComputeHash(bs);
            foreach (byte b in bs)
            {
                s.Append(b.ToString("x2"));
            }

            return s.ToString().ToLower();
        }

        #region User
        public void Packet_00(MrAG.Networking.Packet p)
        {
            bool Success = p.ReadBool();

            Main.FormLogin.Enabled = true;
            if (Success) {
                Main.Sessionkey = p.ReadString();

                Main.Username = Main.FormLogin.textUsername.Text;
                Main.Settings_Username = Main.Username;
                if (Main.FormLogin.checkRememberMe.Checked) Main.Settings_Password = Main.FormLogin.textPassword.Text;
                else Main.Settings_Password = "";

                Main.FormLogin.Hide();
                Main.Show();
                Main.Focus();

                Main.trayIcon.Visible = true;
                
                this.Connection.Send(10, 0);
                this.Connection.Send(3, 0);
            } else {
                Main.FormLogin.textPassword.Text = "";
            }

            this.Connection.Send(15, 0, "FOREVER ABLOM");
        }

        public void Packet_01(MrAG.Networking.Packet p)
        {
            
        }

        public void Packet_02(MrAG.Networking.Packet p)
        {
            Connection.Send(2, 1);
        }
        #endregion

        #region Friends
        public void Packet_03(MrAG.Networking.Packet p)
        {
            short loops = p.ReadShort();

            for (short i = 0; i < loops; i++) {
                string name = p.ReadString();
                int userID = p.ReadInt();
                string avatar = p.ReadString();
                bool online = p.ReadBool();
                short gameid = online ? p.ReadShort() : (short)-1;

                this.Main.AddFriend(name, userID, online, avatar, gameid);

                if (online && gameid != 0) {
                    Game g = Main.GetGame(gameid);

                    if (g != null)
                        Main.Popup(name, "Is now playing " + g.Name, 0, 1);
                }
            }

        }

        public void Packet_04(MrAG.Networking.Packet p)
        {
            int userid = p.ReadInt();
            bool on = p.ReadBool();
            Friend f = Main.GetFriend(userid);
            if (f != null)
                f.SetOnline(on);
        }

        public void Packet_05(MrAG.Networking.Packet p)
        {
            int user = p.ReadInt();
            string msg = p.ReadString();
            Friend f = Main.GetFriend(user);

            if (f == null)
                return;

            f.ChatMessage(msg);
            
            f.ChatWindow.Flash();

            if (!f.ChatWindow.ContainsFocus)
                Main.Popup(f.Username, msg, 1, 1);
        }

        public void Packet_06(MrAG.Networking.Packet p)
        {
            string user = p.ReadString();

            Main.AddFriendRequest(user);
        }

        public void Packet_07(MrAG.Networking.Packet p)
        {
            string name = p.ReadString();
            int userID = p.ReadInt();
            string avatar = p.ReadString();
            bool online = p.ReadBool();

            this.Main.AddFriend(name, userID, online, avatar, -1);
        }

        public void Packet_08(MrAG.Networking.Packet p)
        {
            int user = p.ReadInt();
            bool ingame = p.ReadBool();
            short gameid = ingame ? p.ReadShort() : (short)-1;
            
            Friend f = Main.GetFriend(user);
            if (f == null)
                return;

            if (ingame){
                Game g = Main.GetGame(gameid);
                f.GameID = g.GameID;

                if (g != null)
                    Main.Popup(f.Username, "Is now playing " + g.Name, 0, 1);
            }else{
                Game g = Main.GetGame(f.GameID);

                if (g != null)
                    Main.Popup(f.Username, "Stopped playing " + g.Name, 0, 1);
            }
        }
        #endregion

        #region Game
        public void Packet_10(MrAG.Networking.Packet p)
        {
            int loops = p.ReadInt();
            Main.Games = new Game[loops];

            for (int i = 0; i < loops; i++) {
                Game newGame = new Game(Main);
                newGame.Identifier = p.ReadString();
                newGame.Name = p.ReadString();
                newGame.GameID = p.ReadShort();
                newGame.Description = p.ReadString();
                newGame.MainExe = p.ReadString();
                newGame.IsDevUser = p.ReadBool();

                short tmpport = newGame.GameID;
                while (tmpport > 10)
                    tmpport -= 10;

                newGame.GamePort = (byte)tmpport;

                newGame.Status = System.IO.Directory.Exists("Games/" + newGame.GameID) ? Game.GameStatus.INSTALLED : Game.GameStatus.UNINSTALLED;

                if (newGame.Status == Game.GameStatus.INSTALLED) {
                    if (System.IO.File.Exists("Games/" + newGame.GameID + "/version.txt"))
                        newGame.Version = System.IO.File.ReadAllText("Games/" + newGame.GameID + "/version.txt");
                    else
                        newGame.Version = "0.0.0";
                    
                    Connection.Send(11, 3, newGame.GameID);
                    Connection.Send(12, 3, newGame.GameID);
                    Connection.Send(13, 3, newGame.GameID);
                }

                Main.Games[i] = newGame;
            }

            Main.SortGames();
        }

        public void Packet_11(MrAG.Networking.Packet p)
        {
            string serverver = p.ReadString();
            short gameID = p.ReadShort();
            string ownver = System.IO.File.ReadAllText("Games/" + gameID + "/version.txt");

            //if (serverver != ownver)
                if (!Main.Downloader.UpdateParser(gameID, ownver))
                    Main.Error("Could not update game " + Main.GetGame(gameID).Name + ", no version file found.");
        }

        public void Packet_12(MrAG.Networking.Packet p)
        {
            short GameID = p.ReadShort();
            int loops = p.ReadInt();

            Game g = Main.GetGame(GameID);

            if (g == null) { // Lets still read out all the crap its sending >.>
                for (int i = 0; i < loops; i++) {
                    p.ReadInt();
                    p.ReadString();
                    p.ReadString();
                    p.ReadShort();
                    p.ReadInt();
                    p.ReadInt();
                }
            } else {
                g.Achievements.Clear();

                for (int i = 0; i < loops; i++) {
                    Game.Achievement a = new Game.Achievement();

                    a.ID = p.ReadInt();
                    a.Name = p.ReadString();
                    a.Desc = p.ReadString();
                    a.Points = p.ReadShort();
                    a.CurProg = p.ReadInt();
                    a.TargetProg = p.ReadInt();

                    a.Hash = MD5(a.Name + a.Desc).Substring(0, 10);
                    g.Achievements.Add(a);
                }
            }
        }

        public void Packet_13(MrAG.Networking.Packet p)
        {
            short GameID = p.ReadShort();
            int looperdieloops = p.ReadInt();

            Game g = Main.GetGame(GameID);

            if (g == null) {
                for (int i = 0; i < looperdieloops; i++) {
                    p.ReadInt();
                    p.ReadString();
                    p.ReadString();
                    p.ReadString();
                }
            } else {
                Main.GetGame(GameID).LeaderBoards = new Game.Leaderboard[looperdieloops];
                for (int i = 0; i < looperdieloops; i++) {
                    g.LeaderBoards[i] = new Game.Leaderboard();
                    g.LeaderBoards[i].ID = p.ReadInt();
                    g.LeaderBoards[i].Name = p.ReadString();
                    g.LeaderBoards[i].Desc = p.ReadString();
                    g.LeaderBoards[i].Identifier = p.ReadString();
                }
            }
        }

        public void Packet_14(MrAG.Networking.Packet p)
        {
            short GameID = p.ReadShort();
            Game g = Main.GetGame(GameID);

            if (g == null) {
                p.ReadBool();
                return;
            }

            bool access = p.ReadBool();
            if (access) {
                g.APIStatus = Game.GameAPIReturn.YES;
            } else {
                g.APIStatus = Game.GameAPIReturn.NO;
            }
        }

        public void Packet_15(MrAG.Networking.Packet p)
        {
            int count = p.ReadInt();
            
            if (this.Main.CurrentPlayingGame != null && this.Main.CurrentPlayingGame.GetAPIConnection() != null && this.Main.CurrentPlayingGame.GetAPIConnection().Connected) {
                MrAG.Networking.Packet gp = this.Main.CurrentPlayingGame.GetAPIConnection().Connection;

                gp.Start_Send();
                gp.AddByte(7);
                gp.AddInt(count);
                for (int i = 0; i < count; i++) {
                    gp.AddString(p.ReadString());
                    gp.AddInt(p.ReadInt());
                    gp.AddString(p.ReadString());
                    gp.AddString(p.ReadString());
                    gp.AddInt(p.ReadInt());
                    gp.AddInt(p.ReadInt());
                }
                gp.Finish_Send();
            } else {
                for (int i = 0; i < count; i++) {
                    p.ReadString();
                    p.ReadInt();
                    p.ReadString();
                    p.ReadString();
                    p.ReadInt();
                    p.ReadInt();
                }
            }
        }
        #endregion

        #region General
        public void Packet_30(MrAG.Networking.Packet p)
        {
            string title = p.ReadString();
            string msg = p.ReadString();
            byte type = p.ReadByte();
            System.Windows.Forms.MessageBoxIcon icon = System.Windows.Forms.MessageBoxIcon.None;

            switch (type) {
                case 0:
                    icon = System.Windows.Forms.MessageBoxIcon.Asterisk;
                    break;

                case 1:
                    icon = System.Windows.Forms.MessageBoxIcon.Error;
                    break;

                case 2:
                    icon = System.Windows.Forms.MessageBoxIcon.Exclamation;
                    break;

                case 3:
                    icon = System.Windows.Forms.MessageBoxIcon.Hand;
                    break;

                case 4:
                    icon = System.Windows.Forms.MessageBoxIcon.Information;
                    break;

                case 5:
                    icon = System.Windows.Forms.MessageBoxIcon.None;
                    break;

                case 6:
                    icon = System.Windows.Forms.MessageBoxIcon.Question;
                    break;

                case 7:
                    icon = System.Windows.Forms.MessageBoxIcon.Stop;
                    break;

                case 8:
                    icon = System.Windows.Forms.MessageBoxIcon.Warning;
                    break;
            }

            Main.Error(title, msg, icon);
        }

        public void Packet_31(MrAG.Networking.Packet p)
        {
            string user = p.ReadString();
            string url = "http://" + "www.gravatar.com/avatar/" + p.ReadString() + "?s=64";
            Main.CurrentPlayingGame.GetAPIConnection().Connection.Send(6, 9 + url.Length + user.Length, user, url);
        }
        #endregion

        #region Returns
        public void Packet_42(MrAG.Networking.Packet p)
        {
            Main.CurrentPlayingGame.GetAPIConnection().Connection.Send(3, 0, p.ReadInt());
        }
        #endregion
    }
}