local STATE_HANDLERS = {
  [WINDOW_SPLASH] = function()
    SplashWindow.update()
    SplashWindow.draw()
  end,
  [WINDOW_INTRO] = function()
    IntroWindow.update()
    IntroWindow.draw()
  end,
  [WINDOW_MENU] = function()
    MenuWindow.update()
    MenuWindow.draw()
  end,
  [WINDOW_GAME] = function()
    GameWindow.update()
    GameWindow.draw()
  end,
  [WINDOW_POPUP] = function()
    GameWindow.draw()
    PopupWindow.update()
    PopupWindow.draw()
  end,
  [WINDOW_CONFIGURATION] = function()
    ConfigurationWindow.update()
    ConfigurationWindow.draw()
  end,
  [WINDOW_AUDIOTEST] = function()
    AudioTestWindow.update()
    AudioTestWindow.draw()
  end,
  [WINDOW_MINIGAME_BUTTON_MASH] = function()
    MinigameButtonMashWindow.update()
    MinigameButtonMashWindow.draw()
  end,
  [WINDOW_MINIGAME_RHYTHM] = function()
    MinigameRhythmWindow.update()
    MinigameRhythmWindow.draw()
  end,
  [WINDOW_MINIGAME_DDR] = function()
    MinigameDDRWindow.update()
    MinigameDDRWindow.draw()
  end,
}

local initialized_game = false

local function init_game()
  if initialized_game then return end

  MenuWindow.refresh_menu_items()
  initialized_game = true
end

function TIC()
  init_game()
  cls(Config.colors.black)
  local handler = STATE_HANDLERS[Context.active_window]
  if handler then
    handler()
  end
  Meters.update()
  if Context.game_in_progress then
    UI.draw_meters()
  end
end