#pragma once

#include "dvc_config.h"
#include "dvc_pre_declare.h"

DV_CORE_BEGIN_NAMESPACE

class DV_CORE_API Device
{
public:
	void clear();

public:
	DeviceBufferPtr newDeviceBuffer(size_t length);
	DeviceBufferConstPtr getDeviceBuffer(int32_t id) const;

	DeviceBufferViewPtr newDeviceBufferView(DeviceBufferConstPtr buffer, size_t offset, size_t length, size_t stride);
	DeviceBufferViewPtr getDeviceBufferView(int32_t id) const;

	DeviceBufferAccessorPtr newDeviceBufferAccessor(DeviceBufferViewConstPtr bufferView, size_t offset,
		size_t count, ComponentType componentType, DataType dataType);
	DeviceBufferAccessorPtr getDeviceBufferAccessor(int32_t id) const;

	MeshPtr newMeshAsset(const std::string& name);
	MeshPtr getMesh(int32_t id) const;

	ImagePtr newImageAsset();
	ImagePtr getImage(int32_t id) const;

	TexturePtr newTextureAsset();
	TexturePtr getTexture(int32_t id) const;

	MaterialPtr newMaterialAsset();
	MaterialPtr getMaterial(int32_t id) const;

private:
	int32_t nextID() {
		if (++m_currentID < 0) m_currentID = 0;
		return m_currentID;
	}
private:
	int32_t m_currentID = 0;

	//device buffer
	std::map<int32_t, DeviceBufferPtr> m_deviceBufferMap;

	//device buffer view
	std::map<int32_t, DeviceBufferViewPtr> m_bufferViewMap;

	//device buffer accessor
	std::map<int32_t, DeviceBufferAccessorPtr> m_bufferAccessorMap;

	//mesh asset resources
	std::map<int32_t, MeshPtr> m_meshAssetMap;

	//image asset resources
	std::map<int32_t, ImagePtr> m_imageAssetMap;

	//texture asset resources
	std::map<int32_t, TexturePtr> m_textureAssetMap;

	//material asset resources
	std::map<int32_t, MaterialPtr> m_materialAssetMap;

public:
	Device();
	~Device();
};
DV_CORE_END_NAMESPACE