// Copyright (c) 2011-2015 The Cryptonote developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.


#pragma once

#include <functional>
#include <memory>
#include <string>
#include <system_error>

#include <cryptonote_core/CoreConfig.h>

namespace cryptonote {

class Currency;

}

namespace CryptoNote {

class INode;
class IWallet;

}

namespace WalletGui {

class Node {
public:
  virtual ~Node() = 0;
  virtual void init(const std::function<void(std::error_code)>& callback) = 0;
  virtual void deinit() = 0;
  
  virtual std::string convertPaymentId(const std::string& paymentIdString) = 0;
  virtual std::string extractPaymentId(const std::string& extra) = 0;
  virtual uint64_t getLastKnownBlockHeight() const = 0;
  virtual uint64_t getLastLocalBlockHeight() const = 0;
  virtual uint64_t getLastLocalBlockTimestamp() const = 0;
  virtual uint64_t getPeerCount() const = 0;

  virtual CryptoNote::IWallet* createWallet() = 0;
};

class INodeCallback {
public:
  virtual void peerCountUpdated(Node& node, size_t count) = 0;
  virtual void localBlockchainUpdated(Node& node, uint64_t height) = 0;
  virtual void lastKnownBlockHeightUpdated(Node& node, uint64_t height) = 0;
};

Node* createRpcNode(const cryptonote::Currency& currency, INodeCallback& callback, const std::string& nodeHost, unsigned short nodePort);
Node* createInprocessNode(const cryptonote::Currency& currency, INodeCallback& callback, const cryptonote::CoreConfig& coreConfig);

}