#pragma once

#include <mbgl/renderer/render_orchestrator.hpp>

#if MLN_RENDER_BACKEND_METAL
#include <mbgl/mtl/mtl_fwd.hpp>
#include <Foundation/Foundation.hpp>
#endif // MLN_RENDER_BACKEND_METAL

#include <memory>
#include <string>

namespace mbgl {

class RendererObserver;
class RenderStaticData;
class RenderTree;

namespace gfx {
class RendererBackend;
class ShadeRegistry;
} // namespace gfx

class Renderer::Impl {
public:
    Impl(gfx::RendererBackend&, float pixelRatio_, const std::optional<std::string>& localFontFamily_);
    ~Impl();

private:
    friend class Renderer;

    void setObserver(RendererObserver*);

    void render(const RenderTree&, const std::shared_ptr<UpdateParameters>&);

    void reduceMemoryUse();

    // TODO: Move orchestrator to Map::Impl.
    RenderOrchestrator orchestrator;

    gfx::RendererBackend& backend;

    RendererObserver* observer;

    const float pixelRatio;
    std::unique_ptr<RenderStaticData> staticData;

    enum class RenderState {
        Never,
        Partial,
        Fully,
    };

    RenderState renderState = RenderState::Never;

    uint64_t frameCount = 0;

#if MLN_RENDER_BACKEND_METAL
    mtl::MTLCaptureScopePtr commandCaptureScope;
#endif // MLN_RENDER_BACKEND_METAL
};

} // namespace mbgl