#!/usr/bin/ruby
# written by Emil.
# Licensed under the GPLv3 only.
#
# SHORT GUIDE
#
# -serv specifies server,
# -port specifies port,
# -name specifies your display name,
#
# Type "BYE" to stop it after it connects to the moon.
# Type Enter and nothing else to refresh the messages.
# Type messages and send them, hopefully everyone hears you just fine.
#
# Commands:
#
# Commands must be near the beginning of messages, and will preform their respective action.
#
# BYE, QUIT - exits
# SAY       - says something verbatim
# CLEAR     - clears the terminal
# NICK...   - sets the nick
# RECONNECT - reconnects
# DELAY...  - sets delays

require 'socket'
require 'readline'

@serv = '7ks473deh6ggtwqsvbqdurepv5i6iblpbkx33b6cydon3ajph73sssad.onion'
@port = 50000

@name = "anonymous"

def read_from(socket)
  begin # probably too large of a read size...
    puts socket.read_nonblock(2 << 16)
  rescue
  end
end

def post(socket, msg)
  update_prefix
  socket.puts(@prefix + msg)
end

def update_prefix
  date = Time.now.utc.strftime("%Y/%m/%d %k:%M:%S")
  @prefix = "<#{date} #{@name}> "
end

def connect
  puts "Connecting to " + @serv + ":" + @port.to_s + " as " + @name
  socket = TCPSocket.new(@serv, @port)
  if not socket
    puts "Failed to connect."
    exit 1
  end
  return socket
end

def main
  begin
    ARGV.each_with_index do |element,index|
      if element == "-name"
        @name = ARGV[index + 1]
      end
      if element == "-serv"
        @serv = ARGV[index + 1]
      end
      if element == "-port"
        @port = ARGV[index + 1].to_i
      end
    end
  rescue
  end
  socket = connect
  begin
    delay = 0

    h = { "BYE" => 1, "QUIT" => 1, "SAY" => 2, "CLEAR" => 3, "NICK" => 4, "RECONNECT" => 5, "DELAY" => 6 }

    update_prefix
    while msg = Readline.readline(@prefix, true)
      if not msg.empty?
        msg.strip!
        word = msg.split(/^([\w]*)$|^([\w]*) (.*)$/)[1..]
        case h[word[0]]
        when h["BYE"]
          post(socket, "BYE")
          exit 0
        when h["CLEAR"]
          puts "\e[1;1H\e[2J"
        when h["NICK"]
          if not word[1].empty?
            @name = word[1]
          end
        when h["RECONNECT"]
          socket.close
          socket = connect
        when h["DELAY"]
          delay = word[1].to_i
        when h["SAY"]
          if not word.length > 1
            word.push("")
          end
          post(socket, word[1])
        else
          post(socket, msg)
        end
      end

      read_from(socket)
      sleep delay
      update_prefix
    end
  ensure
    puts "\nSTOPPING NOW."
    socket.close
  end
end

main