/*
 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "common/log.h"
#include "common/globals.h"
#include "common/sockets.h"
#include "common/system.h"
#include "common/AtlasStreamClient.h"

#include "EntityExporter.h"
#include "AgentCreationTask.h"

#include <varconf/config.h>

static void usage(char* prg) {
	std::cerr << "usage: " << prg << " [options] filepath" << std::endl;
}

BOOL_OPTION(transients, false, "export", "transients", "Flag to control if transients should also be exported");
BOOL_OPTION(minds, true, "export", "minds", "Flag to control if minds should also be exported");

int main(int argc, char** argv) {
	spdlog::set_pattern("[%Y-%m-%d %H:%M:%S.%e] [export] [%^%l%$] %v");

	int config_status = loadConfig(argc, argv, USAGE_CYCMD);
	if (config_status < 0) {
		if (config_status == CONFIG_VERSION) {
			reportVersion(argv[0]);
			return 0;
		} else if (config_status == CONFIG_HELP) {
			showUsage(argv[0], USAGE_CYCMD);
			return 0;
		} else if (config_status != CONFIG_ERROR) {
			spdlog::error("Unknown error reading configuration.");
		}
		// Fatal error loading config file
		return 1;
	}

	std::string filename;
	int optindex = config_status;
	if ((argc - optindex) == 1) {
		filename = argv[optindex];
	} else {
		usage(argv[0]);
		return 1;
	}

	std::string server;
	readConfigItem("client", "serverhost", server);

	int useslave = 0;
	readConfigItem("client", "useslave", useslave);

	Atlas::Objects::Factories factories;

	boost::asio::io_context io_context;
	AtlasStreamClient bridge(io_context, factories);
	std::string localSocket;
	if (useslave != 0) {
		localSocket = slave_socket_name;
	} else {
		localSocket = client_socket_name;
	}

	std::cout << "Attempting local connection" << std::endl;
	if (bridge.connectLocal(localSocket) == 0) {
		if (bridge.create("system_account", create_session_username(), fmt::format("{}{}", ::rand(), ::rand())) != 0) {
			std::cerr << "Could not create sys account." << std::endl;
			return -1;
		}
		std::cout << " done." << std::endl;
		auto loginInfo = bridge.getInfoReply();
		auto accountId = loginInfo->getId();
		auto accountName = loginInfo->getName();

		std::cout << "Attempting creation of agent" << std::endl;
		auto agentCreationTask = std::make_shared<AgentCreationTask>(accountId, accountName, "creator");
		bridge.runTask(agentCreationTask, "");
		if (bridge.pollUntilTaskComplete() != 0) {
			std::cerr << "Could not create agent." << std::endl;
			return -1;
		}
		if (!agentCreationTask->m_agent_id || !agentCreationTask->m_mind_id) {
			std::cerr << "Could not create agent; no id received." << std::endl;
			return -1;
		}
		std::cout << "done." << std::endl;

		auto agent_id = *agentCreationTask->m_agent_id;
		auto mind_id = *agentCreationTask->m_mind_id;
		std::cout << "done." << std::endl;

		std::cout << "Starting export" << std::endl;

		// Ownership of this is transferred to the bridge when it's run, so we shouldn't delete it
		auto exporter = std::make_shared<EntityExporter>(accountId, mind_id);
		exporter->setExportTransient(transients);

		bridge.runTask(exporter, filename);
		if (bridge.pollUntilTaskComplete() != 0) {
			std::cerr << "Could not export." << std::endl;
			return -1;
		}
		std::cout << " done." << std::endl;
		return 0;
	}

	return 0;
}
