local optionsVisible = false
local options = {
  Agenda = true,
  Playarea = true,
  Playermats = true
}

val = 0

-- save current value and options
function onSave() return JSON.encode({ val, options }) end

function onLoad(savedData)
  if savedData ~= "" then
    local loadedData = JSON.decode(savedData)
    val              = loadedData[1]
    options          = loadedData[2]

    -- restore state for option panel
    for key, bool in pairs(options) do
      self.UI.setAttribute("option" .. key, "isOn", not bool)
    end
  end

  self.createButton({
    label          = tostring(val),
    click_function = "addOrSubtract",
    function_owner = self,
    position       = { 0, 0.06, 0 },
    height         = 800,
    width          = 800,
    font_size      = 650,
    scale          = { 1.5, 1.5, 1.5 },
    font_color     = { 1, 1, 1, 95 },
    color          = { 0, 0, 0, 0 }
  })
end

-- called by the invisible button to change displayed value
function addOrSubtract(_, _, isRightClick)
  local newVal = math.min(math.max(val + (isRightClick and -1 or 1), 0), 99)
  if val ~= newVal then
    updateVal(newVal)
  end
end

function updateVal(number)
  val = number or 0
  self.editButton({ index = 0, label = tostring(val) })
  printToAll("Doom on agenda set to: " .. val)
end

-- called by "Reset" button to remove doom
function startReset()
  if options.Agenda then
    updateVal(0)
  end
  -- call the "Doom-in-Play"-counter
  local DoomInPlayCounter = getObjectFromGUID("652ff3")
  if DoomInPlayCounter then
    DoomInPlayCounter.call("removeDoom", options)
  end
end

-- XML UI functions
function optionClick(_, optionName)
  options[optionName] = not options[optionName]
  printToAll("Doom removal of " .. optionName .. (options[optionName] and " enabled" or " disabled"))
end

function toggleOptions()
  optionsVisible = not optionsVisible

  if optionsVisible then
    self.UI.show("Options")
  else
    self.UI.hide("Options")
  end
end