#pragma once

#include "base/thread.hpp"

#ifdef DRAW_INFO
  #include "../base/timer.hpp"
  #include "../std/vector.hpp"
  #include "../std/numeric.hpp"
#endif

#include "drape_frontend/message_acceptor.hpp"
#include "drape_frontend/threads_commutator.hpp"
#include "drape_frontend/tile_info.hpp"
#include "drape_frontend/backend_renderer.hpp"
#include "drape_frontend/render_group.hpp"

#include "drape/pointers.hpp"
#include "drape/glstate.hpp"
#include "drape/vertex_array_buffer.hpp"
#include "drape/gpu_program_manager.hpp"
#include "drape/oglcontextfactory.hpp"
#include "drape/overlay_tree.hpp"

#include "drape/uniform_values_storage.hpp"

#include "geometry/screenbase.hpp"

#include "std/map.hpp"

namespace dp { class RenderBucket; }

namespace df
{

class FrontendRenderer : public MessageAcceptor
{
public:
  FrontendRenderer(dp::RefPointer<ThreadsCommutator> commutator,
                   dp::RefPointer<dp::OGLContextFactory> oglcontextfactory,
                   Viewport viewport);

  ~FrontendRenderer() override;

#ifdef DRAW_INFO
  double m_tpf;
  double m_fps;

  my::Timer m_timer;
  double m_frameStartTime;
  vector<double> m_tpfs;
  int m_drawedFrames;

  void BeforeDrawFrame();
  void AfterDrawFrame();
#endif

protected:
  virtual void AcceptMessage(dp::RefPointer<Message> message);

private:
  void RenderScene();
  void RefreshProjection();
  void RefreshModelView();

  void ResolveTileKeys();
  void ResolveTileKeys(set<TileKey> & keyStorage, m2::RectD const & rect);
  void ResolveTileKeys(set<TileKey> & keyStorage, int tileScale);
  set<TileKey> & GetTileKeyStorage();

  void InvalidateRenderGroups(set<TileKey> & keyStorage);

private:
  class Routine : public threads::IRoutine
  {
   public:
    Routine(FrontendRenderer & renderer);

    // threads::IRoutine overrides:
    void Do() override;

   private:
    FrontendRenderer & m_renderer;
  };

  void StartThread();
  void StopThread();
  void ReleaseResources();

private:
  void DeleteRenderData();

private:
  dp::RefPointer<ThreadsCommutator> m_commutator;
  dp::RefPointer<dp::OGLContextFactory> m_contextFactory;
  dp::MasterPointer<dp::GpuProgramManager> m_gpuProgramManager;
  threads::Thread m_selfThread;

private:
  vector<RenderGroup *> m_renderGroups;

  dp::UniformValuesStorage m_generalUniforms;

  Viewport m_viewport;
  ScreenBase m_view;
  set<TileKey> m_tiles;

  dp::OverlayTree m_overlayTree;
};

} // namespace df