// Cyphesis Online RPG Server and AI Engine
// Copyright (C) 2000,2001 Alistair Riddoch
// Copyright (C) 2013 Erik Ogenvik
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
// 
// This program 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 General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA


#ifndef CLIENT_BASE_CLIENT_H
#define CLIENT_BASE_CLIENT_H

#include "common/Link.h"
#include <memory>
#include <boost/asio/steady_timer.hpp>

class CreatorClient;

class ClientTask;

/// \brief Base class for classes that implement clients used to connect to a
/// cyphesis server
class BaseClient : public Link {
protected:

	std::shared_ptr<ClientTask> m_task;

	std::string m_username;
	std::string m_password;

	long m_serialNo;

	struct CallbackEntry {
		std::function<void(const Operation&, OpVector&)> callback;
		std::unique_ptr<boost::asio::steady_timer> timeout;
		std::function<void()> timeoutCallback;
	};

	std::map<long, CallbackEntry> m_callbacks;


	static std::string getErrorMessage(const Operation& err);

	virtual void notifyAccountCreated(RouterId accountId) = 0;

public:
	explicit BaseClient(CommSocket& commSocket);

	~BaseClient() override = default;

	void createSystemAccount(const std::string& usernameSuffix = "");

	void logout();

	void externalOperation(const Operation& op, Link&) override;


	int runTask(std::shared_ptr<ClientTask> task, const std::string& arg);

	int runTask(std::function<bool(const Operation&, OpVector&)> function);

	int endTask();

	void sendWithCallback(Operation op, std::function<void(const Operation&, OpVector&)> callback,
						  std::function<void()> timeoutCallback = std::function<void()>(),
						  std::chrono::milliseconds timeout = std::chrono::milliseconds(5000));

	void notifyConnectionComplete() override;

};

#endif // CLIENT_BASE_CLIENT_H
