buttonsWindow = nil
contentsPanel = nil

function init()
  buttonsWindow = g_ui.loadUI('buttons', modules.game_interface.getRightPanel())
  if not buttonsWindow then
    return
  end
  buttonsWindow:disableResize()
  buttonsWindow:setup()
  buttonsWindow:setHeight(48)
  contentsPanel = buttonsWindow.contentsPanel
  if not contentsPanel or not buttonsWindow.forceOpen or not contentsPanel.buttons then
    buttonsWindow:close()
  end
end

function terminate()
  if buttonsWindow then
    buttonsWindow:destroy()
    buttonsWindow = nil
  end
end

function takeButtons(buttons)
  if not buttonsWindow.forceOpen or not contentsPanel.buttons then return end
  for i, button in ipairs(buttons) do
    takeButton(button, true)
  end
  updateOrder()
end

function takeButton(button, dontUpdateOrder)
  if not buttonsWindow.forceOpen or not contentsPanel.buttons then return end
  button:setParent(contentsPanel.buttons)
  if not dontUpdateOrder then
    updateOrder()
  end
end

function updateOrder()
   local children = contentsPanel.buttons:getChildren()
   table.sort(children, function(a, b)
    return (a.index or 1000) < (b.index or 1000)
   end)
   contentsPanel.buttons:reorderChildren(children)
   local visibleCount = 0
   for _, child in ipairs(children) do
    if child:isVisible() then
      visibleCount = visibleCount + 1
    end
   end
   if visibleCount > 6 and buttonsWindow:getHeight() < 52 then
    buttonsWindow:setHeight(70)
   end
end

function onToggleButtonClick(button)
  local function toggleButtonsVisibility(value)
    for _, child in ipairs(buttonsWindow:getChildren()) do
      if child:getId() ~= "storeButton" and child:getId() ~= "toggleButton" then
        child:setVisible(value)
      end
    end

    if value then
      buttonsWindow:setHeight(70)
    else
      buttonsWindow:setHeight(48)
    end
  end

  if button:isOn() then
    button:setOn(false)
    toggleButtonsVisibility(false)
  else
    button:setOn(true)
    toggleButtonsVisibility(true)
  end
end