startup

local event,param1,param2,param3
local monitorSide = "left"
local redstoneInputSide = "right"
local itemCount = itemCount

local function color()

end

if not fs.exists(".itemCount") then
  file = fs.open(".itemCount","w")
  file.write(itemCount)
  file.close()
else
  file = fs.open(".itemCount","r")
  itemCount = tonumber(file.readLine())
  file.close()
end

monitor = peripheral.wrap(monitorSide)
term.redirect(monitor)
monitor.setTextScale(1)

while true do
  event,param1,param2,param3 = os.pullEvent()
  if event == "redstone" then
        if rs.getInput(redstoneInputSide) == true then
          itemCount = itemCount + 1
          file = fs.open(".itemCount","w")
          file.write(itemCount)
          file.close()
        end

        term.clear()
        term.setCursorPos(1,1)
        term.setBackgroundColor(colors.white)
        term.setTextColor(colors.blue)
        print("TubeStats")
        print("")
        print("Items passed:")
          if itemCount > 10 then
            term.setTextColor(colors.black)
          elseif itemCount > 100  then
            term.setTextColor(colors.blue)
          elseif itemCount > 1000 then
            term.setTextColor(colors.lightBlue)
          elseif itemCount > 10000 then
            term.setTextColor(colors.green)
          elseif itemCount > 100000 then
            term.setTextColor(colors.yellow)
          elseif itemCount > 1000000 then
            term.setTextColor(colors.pink)
          elseif itemCount > 10000000 then
            term.setTextColor(colors.red)
          end
        print("  "..itemCount)
  end
end