-- private functions
local function onGameKeyPress(self, keyCode, keyboardModifiers, wouldFilter)
  if wouldFilter then return end
  if keyboardModifiers == KeyboardCtrlModifier then
    if keyCode == KeyG then
      CharacterList.show()
      return true
    elseif keyCode == KeyQ then
      Game.logout(false)
      return true
    end
  end
  return false
end

-- public functions
function Game.createInterface()
  Background.hide()
  CharacterList.destroyLoadBox()
  Game.gameUi = displayUI('game.otui')

  --Hotkeys.bindKeyPress('Up', function() Game.walk(North) end)
  --Hotkeys.bindKeyPress('Down', function() Game.walk(South) end)
  --Hotkeys.bindKeyPress('Left', function() Game.walk(West) end)
  --Hotkeys.bindKeyPress('Right', function() Game.walk(East) end)

  Hotkeys.bindKeyPress('Ctrl+Shift+Up', function() Game.forceWalk(North) end)
  Hotkeys.bindKeyPress('Ctrl+Shift+Down', function() Game.forceWalk(South) end)
  Hotkeys.bindKeyPress('Ctrl+Shift+Left', function() Game.forceWalk(West) end)
  Hotkeys.bindKeyPress('Ctrl+Shift+Right', function() Game.forceWalk(East) end)

  rootWidget:moveChildToIndex(Game.gameUi, 1)
  Game.gameMapPanel = Game.gameUi:getChildById('gameMapPanel')
  Game.gameRightPanel = Game.gameUi:getChildById('gameRightPanel')
  Game.gameBottomPanel = Game.gameUi:getChildById('gameBottomPanel')
  Game.gameUi.onKeyPress = onGameKeyPress
end

function Game.destroyInterface()
  if Game.gameUi then
    Game.gameUi:destroy()
    Game.gameUi = nil
  end
  Background.show()
  CharacterList.show()
end

function Game.show()
  Game.gameUi:show()
  Game.gameUi:focus()
  Game.gameMapPanel:focus()
end

function Game.hide()
  Game.gameUi:hide()
end

-- hooked events
function Game.onLoginError(message)
  CharacterList.destroyLoadBox()
  local errorBox = displayErrorBox("Login Error", "Login error: " .. message)
  errorBox.onOk = CharacterList.show
end

function Game.onConnectionError(message)
  CharacterList.destroyLoadBox()
  local errorBox = displayErrorBox("Login Error", "Connection error: " .. message)
  errorBox.onOk = CharacterList.show
end

local function onApplicationClose()
  print('close app')
  if Game.isOnline() then
    Game.logout(false)
  else
    exit()
  end
end

setonclose(onApplicationClose)
connect(Game, { onLogin = Game.createInterface }, true)
connect(Game, { onLogout = Game.destroyInterface })