local switchGrind = "1"

function readData()
	h = fs.open("data", "r")
	switchGrind = h.readLine() -- First Line: Grinder State (ON/OFF)
	h.close()
end

function saveData()
	h = fs.open("data", "w")
	h.writeLine(switchGrind)
	h.close()
end

function updateRs()
	local c = 0
	if switchGrind == "0" then
		c = c + colors.white
	end
	rs.setBundledOutput("bottom", c)
end

function display()
	term.setBackgroundColor(colors.blue)
	term.setTextColor(colors.white)
	term.setCursorPos(1,1)
	term.clearLine()
	term.setCursorPos(11,1)
	print "FACTORY CONTROL"
	
	term.setBackgroundColor(colors.black)
	term.setCursorPos(1,3)
	print "Grinder"
	
	term.setBackgroundColor(colors.white)
	term.setCursorPos(12,3)
	if switchGrind == "1" then
		term.setTextColor(colors.green)
		print "ON "
	else
		term.setTextColor(colors.red)
		print "OFF"
	end
end

if fs.exists("data") then
	readData()
end

display()

while true do
	local e, p1, p2, p3 = os.pullEvent()
	
	if e == "mouse_click" then -- on mouse click
	
		if p3 == 3 and p2 >= 11 then -- grinder toggled
			if switchGrind == "1" then
				switchGrind = "0"
			else
				switchGrind = "1"
			end
			updateRs()
			saveData()
			display()
		end
	
	end
end