using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ConsoleApplication1;
using Lidgren.Network;
using System.Net;
using System.Threading;
using N = System.Net;
using System.Collections;
using System.Net.Sockets;
using System.Data;
using MySql.Data.MySqlClient;


namespace GameServer
{
    class Server
    {
        public TcpListener m_Socket;
        public int count = 0;
        static int objectsToCreate = 1000;
        Lobby[] lobbies = new Lobby[objectsToCreate];

        public Player current_player = new Player();

        public MySqlConnection database()
        {
            String connString = "Server=127.0.0.1;Port=3306;Database=rpc;Uid=server;password=Derp123;";
            MySqlConnection conn = new MySqlConnection(connString);
            //MySqlCommand command = conn.CreateCommand();
            /*
            command.CommandText = "Select * from user";
            try
            {
                conn.Open();
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex);
            }
            MySqlDataReader reader = command.ExecuteReader();
            while (reader.Read())
            {
                Console.WriteLine(reader["username"].ToString() + " " + reader["Password"].ToString());

            }
            //Console.ReadLine();
            */
            return conn;
        }

        private void Server_start()
        {
            Thread acceptClients = new Thread(new ThreadStart(acceptConnections));
            acceptClients.Start();
        }

        private void acceptConnections()
        {
            try
            {
                IPAddress ipConfig = IPAddress.Parse("192.168.1.124");
                m_Socket = new TcpListener(ipConfig, 6969);
                m_Socket.Start();
                Console.WriteLine("listening");

                while (true)
                {
                    TcpClient m_Client = m_Socket.AcceptTcpClient();
                    //sendData(m_Client[count], "connected");
                    Console.WriteLine("new client");
                    Thread clientThread = new Thread(new ParameterizedThreadStart(HandleClientComm));
                    clientThread.Start(m_Client);

                }
            }
            catch (Exception error)
            {
                Console.WriteLine(error.Message);
            }
        }

        private void HandleClientComm(object client)
        {
            TcpClient tcpClient = (TcpClient)client;
            NetworkStream clientStream = tcpClient.GetStream();

            byte[] message = new byte[4096];
            int bytesRead;
            String client_msg;
            String username = null;

            while (true)
            {
                bytesRead = 0;
                #region read_msg
                try
                {
                    //blocks until a client sends a message
                    bytesRead = clientStream.Read(message, 0, 4096);
                    Console.WriteLine(bytesRead);
                }
                catch
                {
                    //a socket error has occured
                    break;
                }

                if (bytesRead == 0)
                {
                    //the client has disconnected from the server
                    Console.WriteLine("errorr1!!!!");
                    break;
                }

                if (bytesRead > 0)
                {
                    ASCIIEncoding encoder = new ASCIIEncoding();
                    client_msg = encoder.GetString(message, 0, bytesRead);
                    //Console.WriteLine(client_msg);
                    byte[] buffer;
                    #region client_msg switch
                    switch (client_msg)
                    {
                        case "Login":
                            if (username == null)
                            {
                                Console.WriteLine("Login\n");
                                username = Login(clientStream);
                            }
                            else
                            {
                                Console.WriteLine("already logged in!\n");
                                buffer = encoder.GetBytes("alrdy_log");
                                clientStream.Write(buffer, 0, buffer.Length);
                            }
                            continue;
                        case "UpdateProfile":
                            Console.WriteLine("UpdateProfile\n");
                            UpdateProfile(clientStream, username);
                            continue;
                        case "GetProfile":
                            if (username != null)
                            {
                                Console.WriteLine("GetProfile\n");
                                GetProfile(clientStream, username);
                                continue;
                            }
                            else
                            {
                                Console.WriteLine("Not Logged in get profile area!\n");
                                buffer = encoder.GetBytes("no_login");
                                clientStream.Write(buffer, 0, buffer.Length);
                            }

                            continue;
                        case "HostLobby":
                            if (username != null)
                            {
                                Console.WriteLine("HostLobby\n");
                                HostLobby(clientStream, username);
                                continue;
                            }
                            else
                            {
                                Console.WriteLine("Not Logged in Hostlobby area!\n");
                                buffer = encoder.GetBytes("no_login");
                                clientStream.Write(buffer, 0, buffer.Length);
                            }
                            continue;
                        case "GetLobbies":
                            Console.WriteLine("GetLobbies\n");
                            GetLobbies(clientStream, username);
                            continue;
                        default:
                            Console.WriteLine("invalid! " + client_msg + "\n");
                            buffer = encoder.GetBytes("invalid");
                            clientStream.Write(buffer, 0, buffer.Length);
                            continue;

                    }
                    #endregion
                #endregion


                }
                //message has successfully been received
                //ASCIIEncoding encoder = new ASCIIEncoding();
                //Console.WriteLine(encoder.GetString(message, 0, bytesRead));
            }

            tcpClient.Close();
        }

        private void sendData(TcpClient soc, String strData)
        {
            try
            {

                if (soc.Connected && soc.Client.Poll(3000, SelectMode.SelectWrite))
                {
                    {
                        char c = (char)0;
                        byte[] msg = System.Text.Encoding.ASCII.GetBytes(strData + c);
                        int i = soc.Client.Send(msg, 0, msg.Length, SocketFlags.None);
                    }
                }
                else
                {

                }
            }
            catch (Exception ex)
            {

            }

        }

        private void startGame(NetworkStream clientStream, int current_lobby)
        {

            Console.WriteLine("startGame area");
            byte[] buffer;
            ASCIIEncoding encoder = new ASCIIEncoding();
            buffer = encoder.GetBytes("gamestart");
            Console.WriteLine("gamestart");
            clientStream.Write(buffer, 0, buffer.Length);
            bool gotProfile = false;

            List<String> player1 = new List<String>();

            byte[] message = new byte[4096];
            int bytesRead;
            String client_msg = null;
            bool rdy = false;

            #region Clients read
            while (true)
            {
                bytesRead = 0;
                try
                {
                    //blocks until a client sends a message
                    bytesRead = clientStream.Read(message, 0, 4096);
                    Console.WriteLine(bytesRead);
                }
                catch
                {
                    //a socket error has occured
                    break;
                }
                if (bytesRead == 0)
                {
                    //the client has disconnected from the server
                    Console.WriteLine("errorr1!!!!");
                    break;
                }

                if (bytesRead > 0)
                {
                    client_msg = encoder.GetString(message, 0, bytesRead);
                    Console.WriteLine("rdy area");
                    Console.WriteLine("client msg1 " + client_msg);
                    #region client 1 rdy
                    if (client_msg.ToLower().Equals("rdy"))
                    {
                        rdy = true;
                        String command = "profile";
                        int count = 0;

                        buffer = encoder.GetBytes(command);
                        clientStream.Write(buffer, 0, buffer.Length);

                        while (true)
                        {

                            try
                            {
                                //blocks until a client sends a message
                                bytesRead = clientStream.Read(message, 0, 4096);
                                Console.WriteLine(bytesRead);
                            }
                            catch
                            {
                                //a socket error has occured
                                break;
                            }
                            if (bytesRead == 0)
                            {
                                //the client has disconnected from the server
                                Console.WriteLine("errorr1!!!!");
                                break;
                            }

                            if (bytesRead > 0)
                            {

                                //bytesRead = clientStream.Read(message, 0, 4096);



                            }

                        }
                        gotProfile = true;
                    }
                    #endregion

                }
            #endregion
            }
        }

        private void HostLobby(NetworkStream clientStream, String username)
        {
            Console.WriteLine("hostlobby area");
            byte[] buffer;
            ASCIIEncoding encoder = new ASCIIEncoding();
            buffer = encoder.GetBytes("LobbyName");
            clientStream.Write(buffer, 0, buffer.Length);

            byte[] message = new byte[4096];
            int bytesRead;
            String client_msg = null;

            #region Client read
            while (true)
            {
                bytesRead = 0;
                try
                {
                    //blocks until a client sends a message
                    bytesRead = clientStream.Read(message, 0, 4096);
                    Console.WriteLine(bytesRead);
                }
                catch
                {
                    //a socket error has occured
                    break;
                }
                if (bytesRead == 0)
                {
                    //the client has disconnected from the server
                    Console.WriteLine("errorr1!!!!");
                    break;
                }

                if (bytesRead > 0)
                {
                    client_msg = encoder.GetString(message, 0, bytesRead);
                    Console.WriteLine("hi");
                    break;
                }


            }
            #endregion
            if (client_msg.Length > 0)
            {
                Console.WriteLine("hi1");
                //buffer = encoder.GetBytes("Next Command!");
                lobbies[count] = new Lobby()
                {
                    objectNumber = count,
                    players = 1,
                    tcpPlayer1 = clientStream,
                    lobby_name = client_msg

                };
                lobbies[count].tcpPlayer1 = clientStream;
                int current_lobby = count;
                count++;
                #region waiting for game start alive statements
                while (true)
                {
                    buffer = encoder.GetBytes("alive");
                    try
                    {
                        lobbies[current_lobby].tcpPlayer1.Write(buffer, 0, buffer.Length);
                        #region Clientread
                        while (true)
                        {
                            bytesRead = 0;
                            try
                            {
                                //blocks until a client sends a message
                                bytesRead = clientStream.Read(message, 0, 4096);
                                Console.WriteLine(bytesRead);
                            }
                            catch
                            {
                                //a socket error has occured
                                break;
                            }
                            if (bytesRead == 0)
                            {
                                //the client has disconnected from the server
                                Console.WriteLine("errorr1!!!!");
                                break;
                            }

                            if (bytesRead > 0)
                            {
                                client_msg = encoder.GetString(message, 0, bytesRead);
                                if ((client_msg == "alive") && (lobbies[current_lobby].ready))
                                {
                                    //game start stuff?
                                    startGame(lobbies[current_lobby].tcpPlayer1, i);
                                }
                                else
                                {
                                    buffer = encoder.GetBytes("alive");
                                    lobbies[current_lobby].tcpPlayer1.Write(buffer, 0, buffer.Length);
                                    Console.WriteLine("alive recieved");
                                }

                            }
                        }
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine(ex);
                        break;
                    }

                        #endregion
                }
                #endregion

            }
        }

        private void GetLobbies(NetworkStream clientStream, String username)
        {
            Console.WriteLine("GetLobbies area");
            byte[] buffer;
            byte[] buffer1;
            ASCIIEncoding encoder = new ASCIIEncoding();
            buffer = encoder.GetBytes("LobbyName");
            clientStream.Write(buffer, 0, buffer.Length);

            byte[] message = new byte[4096];
            int bytesRead;
            String client_msg = null;

            if (count == 0)
            {
                buffer = encoder.GetBytes("no_lobbies");
                clientStream.Write(buffer, 0, buffer.Length);
            }
            else
            {
                buffer = encoder.GetBytes("enum_lobbies_EOF");
                int i = 0;
                String lobby_list;

                while (i < count)
                {
                    lobby_list = "Lobby name: " + lobbies[i].lobby_name + " number of players: " + lobbies[i].players + " Lobbie number: " + lobbies[i].objectNumber + "\n";
                    Console.WriteLine(lobby_list);
                    buffer1 = encoder.GetBytes(lobby_list);
                    clientStream.Write(buffer1, 0, buffer1.Length);
                    i++;
                }
                clientStream.Write(buffer, 0, buffer.Length);

                #region Client read
                while (true)
                {
                    bytesRead = 0;
                    try
                    {
                        //blocks until a client sends a message
                        bytesRead = clientStream.Read(message, 0, 4096);
                        Console.WriteLine(bytesRead);
                    }
                    catch
                    {
                        //a socket error has occured
                        break;
                    }
                    if (bytesRead == 0)
                    {
                        //the client has disconnected from the server
                        Console.WriteLine("errorr1!!!!");
                        break;
                    }

                    if (bytesRead > 0)
                    {
                        client_msg = encoder.GetString(message, 0, bytesRead);
                        Console.WriteLine("Join lobby command " + client_msg);
                        switch (client_msg.ToLower())
                        {
                            case "join":
                                ///blah
                                buffer1 = encoder.GetBytes("lobbynum");
                                clientStream.Write(buffer1, 0, buffer1.Length);
                                #region Read from client
                                while (true)
                                {
                                    bytesRead = 0;
                                    try
                                    {
                                        //blocks until a client sends a message
                                        bytesRead = clientStream.Read(message, 0, 4096);
                                        Console.WriteLine(bytesRead);
                                    }
                                    catch
                                    {
                                        //a socket error has occured
                                        break;
                                    }
                                    if (bytesRead == 0)
                                    {
                                        //the client has disconnected from the server
                                        Console.WriteLine("errorr1!!!!");
                                        break;
                                    }

                                    if (bytesRead > 0)
                                    {
                                        client_msg = encoder.GetString(message, 0, bytesRead);
                                        Console.WriteLine("Join Lobby: " + client_msg);
                                        i = 0;
                                        while (i < count)
                                        {
                                            try
                                            {
                                                if (lobbies[i].objectNumber == Convert.ToInt32(client_msg))
                                                {
                                                    buffer1 = encoder.GetBytes("joined lobby: " + lobbies[i].objectNumber);
                                                    Console.WriteLine("i'm here!");
                                                    clientStream.Write(buffer1, 0, buffer1.Length);
                                                    lobbies[i].ready = true;
                                                    lobbies[i].tcpPlayer2 = clientStream;
                                                    lobbies[i].players = 2;
                                                    lobbies[i]
                                                    //lobbies[i].start_game();
                                                    startGame(lobbies[i].tcpPlayer2, i);
                                                    lobbies[i].ready = true;

                                                }
                                            }
                                            catch (Exception ex)
                                            {
                                                Console.WriteLine(ex);

                                            }
                                            i++;
                                        }
                                        buffer1 = encoder.GetBytes("unable to join lobby");
                                        try
                                        {
                                            clientStream.Write(buffer1, 0, buffer1.Length);
                                        }
                                        catch (Exception ex)
                                        {
                                            Console.WriteLine(ex);
                                        }
                                    }
                                }
                                #endregion
                                break;
                            case "GetLobbies":
                                break;
                            default:
                                buffer1 = encoder.GetBytes("invalid");
                                clientStream.Write(buffer1, 0, buffer1.Length);
                                continue;

                        }
                    }
                #endregion
                }
            }
        }

        private String Login(NetworkStream clientStream)
        {
            MySqlConnection conn = database();
            Console.WriteLine("Login Screen");
            byte[] buffer;
            byte[] buffer1;
            ASCIIEncoding encoder = new ASCIIEncoding();
            buffer = encoder.GetBytes("UserName");
            clientStream.Write(buffer, 0, buffer.Length);
            bool un = false;
            byte[] message = new byte[4096];
            int bytesRead;
            String client_msg = null;

            //buffer = encoder.GetBytes("enum_lobbies_EOF");
            int i = 0;
            while (true)
            {
                bytesRead = 0;
                try
                {
                    //blocks until a client sends a message
                    bytesRead = clientStream.Read(message, 0, 4096);
                    Console.WriteLine(bytesRead);
                }
                catch
                {
                    //a socket error has occured
                    break;
                }
                if (bytesRead == 0)
                {
                    //the client has disconnected from the server
                    Console.WriteLine("errorr1!!!!");
                    break;
                }
                #region username and password
                if (bytesRead > 0)
                {
                    client_msg = encoder.GetString(message, 0, bytesRead);
                    String client_cmd = client_msg;
                    Console.WriteLine("login");
                    switch (client_msg.ToLower())
                    {
                        case "username":
                            ///blah
                            buffer1 = encoder.GetBytes("send username");
                            clientStream.Write(buffer1, 0, buffer1.Length);
                            #region Read from client
                            while (true)
                            {
                                bytesRead = 0;
                                try
                                {
                                    //blocks until a client sends a message
                                    bytesRead = clientStream.Read(message, 0, 4096);
                                    Console.WriteLine(bytesRead);
                                }
                                catch
                                {
                                    //a socket error has occured
                                    break;
                                }
                                if (bytesRead == 0)
                                {
                                    //the client has disconnected from the server
                                    Console.WriteLine("errorr1!!!!");
                                    break;
                                }

                                if (bytesRead > 0)
                                {
                                    client_msg = encoder.GetString(message, 0, bytesRead);
                                    Console.WriteLine("User name: " + client_msg);
                                    i = 0;
                                    MySqlCommand command = conn.CreateCommand();
                                    MySqlDataReader reader;

                                    #region username
                                    Console.WriteLine("i'm here!");
                                    command.CommandText = "Select * from user Where UserName='" + client_msg + "'";

                                    try
                                    {
                                        conn.Open();
                                        reader = command.ExecuteReader();
                                        Console.WriteLine("i'm here!2");
                                        while (reader.Read()) //take the sql and make sure the username exists
                                        {
                                            Console.WriteLine("i'm here!3");
                                            Console.WriteLine(reader["UserName"] + " : " + client_msg);
                                            String result = reader["UserName"].ToString();
                                            if (client_msg.Equals(result, StringComparison.Ordinal))
                                            {
                                                Console.WriteLine("woot! matching username!");
                                                buffer1 = encoder.GetBytes("send password");
                                                clientStream.Write(buffer1, 0, buffer1.Length);
                                                try
                                                {
                                                    //conn.Open();
                                                    //reader.Close();
                                                    //reader = command.ExecuteReader();
                                                    while (true)
                                                    {
                                                        bytesRead = 0;
                                                        try
                                                        {
                                                            //blocks until a client sends a message
                                                            bytesRead = clientStream.Read(message, 0, 4096);
                                                            Console.WriteLine(bytesRead);
                                                        }
                                                        catch
                                                        {
                                                            //a socket error has occured
                                                            break;
                                                        }
                                                        if (bytesRead == 0)
                                                        {
                                                            //the client has disconnected from the server
                                                            Console.WriteLine("errorr1!!!!");
                                                            break;
                                                        }

                                                        if (bytesRead > 0)
                                                        {
                                                            client_msg = encoder.GetString(message, 0, bytesRead);
                                                            String password = reader["Password"].ToString();
                                                            Console.WriteLine("password: " + client_msg + " : " + password);
                                                            if (password.Equals(client_msg, StringComparison.Ordinal))
                                                            {
                                                                Console.WriteLine("woot! matching password!");
                                                                buffer1 = encoder.GetBytes("login_suc");
                                                                clientStream.Write(buffer1, 0, buffer1.Length);
                                                                return reader["UserName"].ToString();
                                                                // do some profile stuff here?
                                                                break;
                                                            }
                                                            else
                                                            {
                                                                return "INVALID";
                                                            }

                                                        }
                                                    }
                                                    break;

                                                }
                                                catch (Exception ex)
                                                {
                                                    Console.WriteLine(ex);
                                                }
                                            }
                                        }
                                        break;

                                    }
                                    catch (Exception ex)
                                    {
                                        Console.WriteLine(ex);
                                    }

                                    #endregion



                                }
                            }
                            #endregion
                            break;
                        default:
                            buffer1 = encoder.GetBytes("invalid");
                            clientStream.Write(buffer1, 0, buffer1.Length);
                            continue;

                    }
                }
                #endregion

                break;
            }
            return "INVALID";
        }

        private void UpdateProfile(NetworkStream clientStream, String username)
        {

        }

        private void GetProfile(NetworkStream clientStream, String username)
        {

        }

        //Player client1 = new Player();
        //Player client2 = new Player();




        private static void Main(string[] args)
        {
            Server derp = new Server();
            derp.Server_start();
            //derp.database();

        }

    }
}