text: /*****************************************************************************************
   *                                                                                       *
   * OpenSpace                                                                             *
   *                                                                                       *
   * Copyright (c) 2014-2020                                                               *
   *                                                                                       *
   * Permission is hereby granted, free of charge, to any person obtaining a copy of this  *
   * software and associated documentation files (the "Software"), to deal in the Software *
   * without restriction, including without limitation the rights to use, copy, modify,    *
   * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to    *
   * permit persons to whom the Software is furnished to do so, subject to the following   *
   * conditions:                                                                           *
   *                                                                                       *
   * The above copyright notice and this permission notice shall be included in all copies *
   * or substantial portions of the Software.                                              *
   *                                                                                       *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,   *
   * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A         *
   * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT    *
   * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF  *
   * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE  *
   * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                                         *
   ****************************************************************************************/
  
  #ifndef __OPENSPACE_MODULE_ISWA___ISWAMANAGER___H__
  #define __OPENSPACE_MODULE_ISWA___ISWAMANAGER___H__
  
  #include <openspace/properties/propertyowner.h>
  
  #include <openspace/engine/downloadmanager.h>
  #include <ghoul/designpattern/event.h>
  #include <future>
  #include <set>
  #include <string>
  
  namespace ccmc { class Kameleon; }
  
  namespace openspace {
  
  namespace scripting { struct LuaLibrary; }
  
  class IswaBaseGroup;
  class IswaCygnet;
  
  struct CdfInfo {
      std::string name;
      std::string path;
      std::string group;
      std::string date;
      std::string fieldlineSeedsIndexFile;
  };
  
  struct CygnetInfo {
      std::string name;
      std::string description;
      int updateInterval;
      bool selected;
  };
  
  struct MetadataFuture {
      int id;
      std::string group;
      std::string name;
      std::string json;
      int type;
      int geom;
      bool isFinished;
  };
  
  class IswaManager : public properties::PropertyOwner {
  public:
      enum CygnetType { Texture, Data, Kameleon, NoType };
      enum CygnetGeometry { Plane, Sphere };
  
      IswaManager();
      ~IswaManager();
  
      static void initialize();
      static void deinitialize();
      static bool isInitialized();
      static IswaManager& ref();
  
      void addIswaCygnet(int id, const std::string& type = "Texture",
          std::string group = "");
      void addKameleonCdf(std::string group, int pos);
      void createFieldline(std::string name, std::string cdfPath, std::string seedPath);
  
      std::future<DownloadManager::MemoryFile> fetchImageCygnet(int id, double timestamp);
      std::future<DownloadManager::MemoryFile> fetchDataCygnet(int id, double timestamp);
      std::string iswaUrl(int id, double timestamp, const std::string& type = "image");
  
      IswaBaseGroup* iswaGroup(const std::string& name);
  
      std::map<int, std::shared_ptr<CygnetInfo>>& cygnetInformation();
      std::map<std::string, std::shared_ptr<IswaBaseGroup>>& groups();
      std::map<std::string, std::vector<CdfInfo>>& cdfInformation();
  
      static scripting::LuaLibrary luaLibrary();
  
      ghoul::Event<>& iswaEvent();
  
      void addCdfFiles(std::string path);
      void setBaseUrl(std::string bUrl);
  
  private:
      std::shared_ptr<MetadataFuture> downloadMetadata(int id);
      std::string jsonPlaneToLuaTable(MetadataFuture& data);
      std::string jsonSphereToLuaTable(MetadataFuture& data);
      std::string parseKWToLuaTable(const CdfInfo& info, const std::string& cut = "z");
  
      void createPlane(MetadataFuture& data);
      void createSphere(MetadataFuture& data);
      void createKameleonPlane(CdfInfo info, std::string cut);
  
      void fillCygnetInfo(std::string jsonString);
      void registerGroup(std::string groupName, std::string type);
  
      std::map<int, std::string> _type;
      std::map<int, std::string> _geom;
  
      std::shared_ptr<ccmc::Kameleon> _kameleon;
      std::set<std::string> _kameleonFrames;
  
      std::map<std::string, std::shared_ptr<IswaBaseGroup>> _groups;
      std::map<int, std::shared_ptr<CygnetInfo>> _cygnetInformation;
      std::map<std::string, std::vector<CdfInfo>> _cdfInformation;
  
      ghoul::Event<> _iswaEvent;
  
      std::string _baseUrl;
  
      static IswaManager* _instance;
  };
  
  } //namespace openspace
  
  #endif // __OPENSPACE_MODULE_ISWA___ISWAMANAGER___H__
  