function register()
  term.clear()
  term.setCursorPos(51,1)
  term.setBackgroundColor(colors.red)
  write("X")
  term.setBackgroundColor(colors.black)
  term.setCursorPos(10,3)
  write("diamondpumpkin's Banking Client")
  term.setCursorPos(18,7)
  write("Login - ")
  term.setTextColor(colors.lightBlue)
  term.setCursorPos(27,7)
  write("Register")
  term.setTextColor(colors.white)
  term.setCursorPos(18,8)
  write("Username: ")
  local input = read()
  user = input
  term.setCursorPos(18,9)
  write("Password: ")
  local input = read("*")
  pass = input
  rednet.send(16, "register", "bank")
  local id, message = rednet.receive()
  if id == 16 then
    if message == "Already logged in." then
      return
    elseif message == "Ready." then
      sleep(0.2)
      rednet.send(16, user, "bank")
      sleep(0.2)
      rednet.send(16, pass, "bank")
    end
  end
end

function login()
  term.clear()
  term.setCursorPos(51,1)
  term.setBackgroundColor(colors.red)
  write("X")
  term.setBackgroundColor(colors.black)
  term.setCursorPos(10,3)
  write("diamondpumpkin's Banking Client")
  term.setCursorPos(18,7)
  term.setTextColor(colors.lightBlue)
  write("Login ")
  term.setTextColor(colors.white)
  term.setCursorPos(24,7)
  write("- Register")
  term.setCursorPos(18,8)
  write("Username: ")
  local input = read()
  user = input
  term.setCursorPos(18,9)
  write("Password: ")
  local input = read("*")
  pass = input
  rednet.send(16, "login", "bank")
  local id, message = rednet.receive()
  if id == 16 then
    elseif message == "Ready." then
      sleep(0.2)
      rednet.send(16, user, "bank")
      sleep(0.2)
      rednet.send(16, pass, "bank")
      local id, message = rednet.receive()
      if id == 16 then
        term.setCursorPos(18,10)
        write(message)
        sleep(1)
        if message == "Already logged in." or message == "Logged in." then
          main()
          return
        elseif message == "Incorrect password." then
          return
        end
      end
    end
  end
end

function main()
  term.clear()
  term.setCursorPos(1,1)
  x = 0
  y = 1
  while true do
    x = x + 1
    if y == 20 then
      break
    end
    if x == 8 then
      y = y + 1
      x = 0
    end
    term.setCursorPos(x,y)
    term.setTextColor(colors.lightBlue)
    term.setBackgroundColor(colors.lightBlue)
    write(".")
  end
  term.setTextColor(colors.white)
  term.setCursorPos(1,1)
  write("Balance")
  term.setCursorPos(1,2)
  write("Send")
  term.setCursorPos(1,3)
  write("Account")
  term.setCursorPos(1,4)
  write("Logout")
  term.setCursorPos(1,20)

  while true do
    local event, button, x, y = os.pullEvent( "mouse_click" )
    if x >= 1 and x <= 7 and y == 1 then
      balance()
    end
  end
end


rednet.open("top")
term.clear()
term.setCursorPos(51,1)
term.setBackgroundColor(colors.red)
write("X")
term.setBackgroundColor(colors.black)
term.setCursorPos(10,3)
write("diamondpumpkin's Banking Client")
term.setCursorPos(18,7)
write("Login - Register")
while true do
  local event, button, x, y = os.pullEvent( "mouse_click" )
  if x >= 18 and x <= 22 and y == 7 then
    login()
  elseif x >= 26 and x <= 33 and y == 7 then
    register()
  elseif x == 51 and y == 1 then
    term.clear()
    term.setCursorPos(1,1)
    break
  end
end