#pragma once

#include "miner_work.hpp"
#include "xmrstak/misc/environment.hpp"
#include "xmrstak/misc/console.hpp"

#include <atomic>

constexpr static size_t invalid_pool_id = (-1);

namespace xmrstak
{

struct pool_data
{
	uint32_t iSavedNonce;
	size_t   pool_id;

	pool_data() : iSavedNonce(0), pool_id(invalid_pool_id)
	{
	}
};

struct globalStates
{
	static inline globalStates& inst()
	{
		auto& env = environment::inst();
		if(env.pglobalStates == nullptr)
			env.pglobalStates = new globalStates;
		return *env.pglobalStates;
	}

	//pool_data is in-out winapi style
	void switch_work(miner_work& pWork, pool_data& dat);

	inline void calc_start_nonce(uint32_t& nonce, bool use_nicehash, uint32_t reserve_count)
	{
		if(use_nicehash)
			nonce = (nonce & 0xFF000000) | iGlobalNonce.fetch_add(reserve_count);
		else
			nonce = iGlobalNonce.fetch_add(reserve_count);
	}

	miner_work oGlobalWork;
	std::atomic<uint64_t> iGlobalJobNo;
	std::atomic<uint64_t> iConsumeCnt;
	std::atomic<uint32_t> iGlobalNonce;
	uint64_t iThreadCount;
	size_t pool_id = invalid_pool_id;

private:
	globalStates() : iThreadCount(0)
	{
	}
};

} // namepsace xmrstak