// Copyright (c) 2012-2015, The CryptoNote developers, The Bytecoin developers
//
// This file is part of Bytecoin.
//
// Bytecoin is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Bytecoin is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with Bytecoin.  If not, see <http://www.gnu.org/licenses/>.

#pragma once

#include <queue>

#include <System/ContextGroup.h>
#include <System/Event.h>

#include "BlockchainMonitor.h"
#include "Logging/LoggerRef.h"
#include "Miner.h"
#include "MinerEvent.h"
#include "MiningConfig.h"

namespace System {
class Dispatcher;
}

namespace Miner {

class MinerManager {
public:
  MinerManager(System::Dispatcher& dispatcher, const CryptoNote::MiningConfig& config, Logging::ILogger& logger);
  ~MinerManager();

  void start();

private:
  System::Dispatcher& m_dispatcher;
  Logging::LoggerRef m_logger;
  System::ContextGroup m_contextGroup;
  CryptoNote::MiningConfig m_config;
  CryptoNote::Miner m_miner;
  BlockchainMonitor m_blockchainMonitor;

  System::Event m_eventOccurred;
  System::Event m_httpEvent;
  std::queue<MinerEvent> m_events;

  CryptoNote::Block m_minedBlock;

  uint64_t m_lastBlockTimestamp;

  void eventLoop();
  MinerEvent waitEvent();
  void pushEvent(MinerEvent&& event);

  void startMining(const CryptoNote::BlockMiningParameters& params);
  void stopMining();

  void startBlockchainMonitoring();
  void stopBlockchainMonitoring();

  bool submitBlock(const CryptoNote::Block& minedBlock, const std::string& daemonHost, uint16_t daemonPort);
  CryptoNote::BlockMiningParameters requestMiningParameters(System::Dispatcher& dispatcher, const std::string& daemonHost, uint16_t daemonPort, const std::string& miningAddress);

  void adjustBlockTemplate(CryptoNote::Block& blockTemplate) const;
};

} //namespace Miner