main

if (not fs.exists("config")) then
  shell.run("pastebin get d41aYUsX config")
end
if (fs.exists("button")) then
  fs.delete("button")
end
local isDebug = false

shell.run("pastebin get qc4QeDgu button")
os.loadAPI("button")
os.loadAPI("config")

local mon = peripheral.wrap(config.monitorId)

function reboot()
  os.reboot()
end

function debug()
  if (isDebug) then
    isDebug = false
  else
    isDebug = true
  end
  redstone.setOutput(config.debugSide, isDebug)
end

function givePrice(count)
  for i = count-1,1,-1 do
    redstone.setOutput(config.priceSide, true)
    sleep(0.1)
    redstone.setOutput(config.priceSide, false)
    sleep(0.1)
  end
  if (count > 0) then
    redstone.setOutput(config.priceSide, true)
    sleep(0.8)
    redstone.setOutput(config.priceSide, false)
  end
  sleep(0.1)
end

function kill()
  mon.setTextScale(2)
  mon.clear()
  mon.setCursorPos(8,10)
  mon.write("The program has exited!")
  error("Exited on user input")
end

button.setTable("give price", function () givePrice(8) end, 44, 53, 26, 26)
button.setTable("exit", kill, 55, 58, 26, 26)
button.setTable("debug", debug, 60, 64, 26, 26)
button.setTable("reboot", reboot, 66, 71, 26, 26)
button.screen()

function getClick()
  event,side,x,y = os.pullEvent("monitor_touch")
  button.checkxy(x,y)
end

while (true) do
  getClick()
end