-- Handheld Operating System by Goodle Software

-- VARIABLES
w,h=term.getSize()

cw = w/2

ch = h/2

notif = false -- if a notification is present

time = os.time()
formattedTime = textutils.formatTime( time, false)

-- FUNCTIONS
homeScreen=function()

  local pD = 1 -- Pixels Down

  term.clear()

  while pD <= h do
    paintutils.drawLine(1,pD, w,pD, colours.cyan )
    pD = pD + 1
    end

  term.setCursorPos(w-1,h-1)
  term.setBackgroundColour( colours.cyan )
  term.setTextColour( colours.white )
  term.write("#")

  paintutils.drawLine(1,1, w,1, colours.blue )
  term.setCursorPos(2,1)

    if notif==true
      then term.write("!")
    else
      term.write(" ")
      end
    term.setCursorPos(0,0)
    term.setCursorBlink(false)
  while true do
    read("")
    end

end

startup=function()

  term.clear()

  term.setBackgroundColour( colours.cyan )
  term.setTextColour( colours.white )
  term.setCursorPos(cw-1,ch)
  term.write(" G  ")
  term.setCursorPos(cw-1,ch+1)
  term.write("  S ")
  term.setCursorPos(cw-1,ch+2)
  term.setBackgroundColour( colours.blue )
  term.write("   ")
  term.setCursorPos(cw-2,ch+1)
  term.write(" ")
  term.setCursorPos(cw-2,ch+2)
  term.write(" ")

  term.setBackgroundColour( colours.black )
  term.setTextColour( colours.white)

  sleep(5)

end

clock = function()
  time = os.time()
  formattedTime = textutils.formatTime( time, false)
  local clockwin = window.create(term.current(),w-6,1,6,1)
  while true do
  clockwin.setBackgroundColour( colours.blue )
  clockwin.setCursorPos(w-6, 1)
  clockwin.write(formattedTime)
  os.sleep(1)
  end
end

-- EXECUTION

startup()
clock()
parallel.waitForAny(homeScreen(), clock())