#ifndef HYDRABUFFERMANAGER
#define HYDRABUFFERMANAGER
#include "../engine/HydraObject.h"
#include "HydraBuffer.h"
#include "HydraVertexBuffer.h"
#include <queue>
#include <vector>
#include <mutex>

class HydraBufferManager : public HydraObject
{
    public:    
        const uint32_t MAX_BUFFERS = 10000;
        void Initialise();
        void Shutdown();
        HydraID CreateGPUBuffer(std::string buffer_name, 
            uint32_t buffer_size_bytes, 
            uint32_t binding,
            HYDRA_BUFFER_TYPE buffer_type);        
        void DeleteBuffer(HydraID buffer_id);
        void UpdatePartialBuffer(HydraID buffer_id, uint32_t start, uint32_t size, void *data);
        void UpdateWholeBuffer(HydraID buffer_id, void* data);
        HydraID FindBuffer(std::string buffer_name);
        const HydraBuffer& GetBuffer(HydraID buffer_id);
    private:
        std::mutex m_mutex;
        std::queue<HydraID> m_available_buffer_ids;
        std::vector<HydraBuffer> m_buffers;
        HydraID _GetBufferID();
        uint32_t _DecodeBufferType(HYDRA_BUFFER_TYPE buffer_type);
};

#endif /* HYDRABUFFERMANAGER */