/*
 *  Copyright (C) 2017-2018 Team Kodi
 *  This file is part of Kodi - https://kodi.tv
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 *  See LICENSES/README.md for more information.
 */

#pragma once

#include "ControllerTypes.h"
#include "addons/IAddon.h"
#include "threads/CriticalSection.h"

#include <map>
#include <set>
#include <string>

namespace ADDON
{
struct AddonEvent;
} // namespace ADDON

namespace KODI
{
namespace GAME
{
class CControllerManager
{
public:
  CControllerManager(ADDON::CAddonMgr& addonManager);
  ~CControllerManager();

  /*!
   * \brief Get a controller
   *
   * A cache is used to avoid reloading controllers each time they are
   * requested.
   *
   * \param controllerId The controller's ID
   *
   * \return The controller, or empty if the controller isn't installed or
   *         can't be loaded
   */
  ControllerPtr GetController(const std::string& controllerId);

  /*!
   * \brief Get the default controller
   *
   * \return The default controller, or empty if the controller failed to load
   */
  ControllerPtr GetDefaultController();

  /*!
   * \brief Get the default keyboard
   *
   * \return The keyboard controller, or empty if the controller failed to load
   */
  ControllerPtr GetDefaultKeyboard();

  /*!
   * \brief Get the default mouse
   *
   * \return The mouse controller, or empty if the controller failed to load
   */
  ControllerPtr GetDefaultMouse();

  /*!
   * \brief Get installed controllers
   *
   * \return The installed controllers that loaded successfully
   */
  ControllerVector GetControllers();

private:
  // Add-on event handler
  void OnEvent(const ADDON::AddonEvent& event);

  // Utility functions
  ControllerPtr LoadController(const ADDON::AddonPtr& addon);

  // Construction parameters
  ADDON::CAddonMgr& m_addonManager;

  // Controller state
  std::map<std::string, ControllerPtr> m_cache;
  std::set<std::string> m_failedControllers; // Controllers that failed to load

  // Synchronization parameters
  CCriticalSection m_mutex;
};
} // namespace GAME
} // namespace KODI