CC Tweaked Reactor Control Wireless Installer

-----------------PASTEBINs--------------------------
installer = "fWnhLdRx"
reactor_control_server_pastebin = "v1p9TQaV"
reactor_control_client_pastebin = "wCYyVaPf"
---------------------------------------------
term.clear()
-------------------FORMATTING-------------------------------

function draw_text_term(x, y, text, text_color, bg_color)
  term.setTextColor(text_color)
  term.setBackgroundColor(bg_color)
  term.setCursorPos(x,y)
  write(text)
end

function draw_line_term(x, y, length, color)
    term.setBackgroundColor(color)
    term.setCursorPos(x,y)
    term.write(string.rep(" ", length))
end

function progress_bar_term(x, y, length, minVal, maxVal, bar_color, bg_color)
  draw_line_term(x, y, length, bg_color) --backgoround bar
  local barSize = math.floor((minVal/maxVal) * length)
  draw_line_term(x, y, barSize, bar_color)  --progress so far
end

function menu_bars()

  draw_line_term(1, 1, 55, colors.blue)
  draw_text_term(10, 1, "BigReactors Wireless Control Installer", colors.white, colors.blue)

  draw_line_term(1, 19, 55, colors.blue)
  draw_text_term(10, 19, "by Johannes aka JO__2001__BO", colors.white, colors.blue)
end

--------------------------------------------------------------



function install(pastebin)
  term.clear()
  menu_bars()

  draw_text_term(1, 3, "Installing...", colors.yellow, colors.black)
  term.setCursorPos(1,5)
  term.setTextColor(colors.white)
  sleep(0.5)

  -----------------Install control program---------------

  shell.run("pastebin get "..pastebin.." startup")

  sleep(0.5)

  ------------------Install startup script-------------

  if fs.exists("startup") then
    draw_text_term(1, 11, "Success!", colors.lime, colors.black)
    draw_text_term(1, 12, "Press Enter to reboot...", colors.gray, colors.black)
    wait = read()
    shell.run("reboot")
  else
    draw_text_term(1, 11, "Error installing file.", colors.red, colors.black)
    sleep(0.1)
    draw_text_term(1, 14, "Press Enter to continue...", colors.gray, colors.black)
    wait = read()
    start()
  end
end

function selectProgram()
  term.clear()
  menu_bars()
  draw_text_term(1, 4, "What would you like to install or update?", colors.yellow, colors.black)
  draw_text_term(3, 6, "1 - Reactor Control Client", colors.white, colors.black)
  draw_text_term(3, 7, "2 - Reactor Control Server", colors.white, colors.black)
  draw_text_term(1, 9, "Enter 1 or 2:", colors.yellow, colors.black)

  term.setCursorPos(1,10)
  term.setTextColor(colors.white)
  input = read()

  if input == "1" then
    install(reactor_control_client_pastebin)
  else if input == "2" then
    install(reactor_control_server_pastebin)
  else
    draw_text_term(1, 12, "please enter a '1' or '2'.", colors.red, colors.black)
    sleep(1)
    start()
  end
  end
end

function start()
  term.clear()
  menu_bars()
  selectProgram()


end

start()