require "socket"


class User
    attr_accessor :username, :password, :buffer


    def initialize
        @buffer = ""
    end

    def GetBuffer()
        puts "FUCKING BUFFER"
    end

end


class DNDServer
    attr_reader :socket, :serverthread, :connectionthread, :connectionid

    def initialize
        puts "[I] Initialising server"
        @socket = TCPServer.new('192.168.1.2', 20000)
        @connectionid = 0
        @ret = "\r\n"
        @simone = User.new
        @carl = User.new
    end

    def TakeConnections
        puts "Listening on localhost:20000"
        @serverthread = Thread.start do
            while true
                @connectionthread = Thread.start(@socket.accept) do |s|
                    Connected(s)
                end
            end
        end
    end

    def NewConnectionID
        @connectionid += 1
        return @connectionid;
    end

    def Connected(s)
        puts ("[Connection]\tAssigned ID:" + NewConnectionID().to_s + "\n")     # Assign Connection
        s.print("Welcome to ZombiServer v0.01" + @ret)                          # Server Welcome
        s.print("User: ")                                                       # Ask for username
        user = s.gets                                                           # Store username
        s.print("Password: ")                                                   # Ask for username
        puts "User identified himself as " + user                               # User is now claiming ident
        pass = s.gets                                                           # Store username
        s.print("Welcome back " + user )                                        # Greet specific user
        StartBufferOutput(user, s)
        StartInput(user, s)
    end

    def StartBufferOutput(user, s)

        if user.include? "simone"
        puts "Starting buffered output for Simone"
            Thread.start do
                while 1==1
                    sleep 0.1
                    s.print simone.GetBuffer(s)
                end
            end
        end

        if user.include? "carl"
        puts "Starting buffered output for Carl"
            Thread.start do
                while 1==1
                    puts "Carls buffer started to be read"
                    carl.GetBuffer()
                    puts "Carls buffer has been read"
                end
            end
        end

    end

    def StartInput(user, s)

        if user.include? "carl"
        puts "Starting input for Carl"
            while 1==1
                command = s.gets
                @simone.buffer = command
            end
        end

        if user.include? "simone"
        puts "Starting input for Simone"
            while 1==1
                command = s.gets
                @carl.buffer = command
            end
        end

    end


end

server = DNDServer.new
server.TakeConnections()
server.serverthread.join