/*
 *  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 <set>
#include <string>
#include <vector>

class CWindowTranslator
{
public:
  /*!
   * \brief Get a list of all known window names
   */
  static void GetWindows(std::vector<std::string>& windowList);

  /*!
   * \brief Translate between a window name and its ID
   * \param window The name of the window
   * \return ID of the window, or WINDOW_INVALID if not found
   */
  static int TranslateWindow(const std::string& window);

  /*!
   * \brief Translate between a window id and it's name
   * \param window id of the window
   * \return name of the window, or an empty string if not found
   */
  static std::string TranslateWindow(int windowId);

  /*!
   * \brief Get the window ID that should be used as fallback for keymap input
   * \return The fallback window, or -1 for no fallback window
   */
  static int GetFallbackWindow(int windowId);

  /*!
   * \brief Get the special window ID if conditions met
   * \return The special window ID or the given window ID
   */
  static int GetVirtualWindow(int windowId);

private:
  struct WindowMapItem
  {
    const char* windowName;
    int windowId;
  };

  struct WindowNameCompare
  {
    bool operator()(const WindowMapItem& lhs, const WindowMapItem& rhs) const;
  };

  struct WindowIDCompare
  {
    bool operator()(const WindowMapItem& lhs, const WindowMapItem& rhs) const;
  };

  using WindowMapByName = std::set<WindowMapItem, WindowNameCompare>;
  using WindowMapByID = std::set<WindowMapItem, WindowIDCompare>;

  static WindowMapByID CreateWindowMappingByID();

  static const WindowMapByName WindowMappingByName;
};