#ifndef _PreAllocBufferPriorityList_H_
#define _PreAllocBufferPriorityList_H_

#include <cstdint>
#include <vector>

class PreAllocBuffers
{
public:
	struct Config
	{
		bool multithreadSafe;
		bool fullQueueDropFront;
		bool fullQueueSync;
		size_t count;
		size_t maxBuffSize;
		buffer_ud_deleter bud_deleter;//#todo no-impl

		Config()
			: multithreadSafe(false), fullQueueDropFront(false), fullQueueSync(false), count(0), maxBuffSize(0), bud_deleter(nullptr)
		{ }
	};

	struct Buffer
	{
		uint8_t* buffer;
		size_t buffSize;
		void* userData;

		Buffer() : buffer(nullptr), buffSize(0), userData(nullptr) { }
	};

	PreAllocBufferPriorityList(const Config& _cfg);
	~PreAllocBufferPriorityList();

	Buffer* GetFree();
	void Release(Buffer* buffer);

	bool Empty() const;
	bool Full() const;

private:
	const Config cfg;
	void* mtsMux;

	typedef std::vector<Buffer*> buffers_vec_t;
	buffers_vec_t allBuffers;
	buffers_vec_t freeBuffers;
};

#endif