/**
 * Relational pipes
 * Copyright © 2020 František Kučera (Frantovo.cz, GlobalCode.info)
 *
 * 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, version 3 of the License.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */
#include <memory>
#include <csignal>
#include <functional>

#include <relpipe/writer/RelpipeWriterException.h>
#include <relpipe/writer/Factory.h>
#include <relpipe/cli/CLI.h>

#include "Configuration.h"
#include "CLIParser.h"
#include "JackException.h"
#include "JackCommand.h"

using namespace relpipe::cli;
using namespace relpipe::writer;
using namespace relpipe::in::jack;

static std::shared_ptr<JackCommand> jackCommand = nullptr;

void finish(int sig) {
	if (jackCommand) jackCommand->finish(sig);
}

int main(int argc, char** argv) {
	setlocale(LC_ALL, "");
	CLI::untieStdIO();
	CLI cli(argc, argv);
	int resultCode = CLI::EXIT_CODE_UNEXPECTED_ERROR;

	try {
		signal(SIGHUP, finish);
		signal(SIGINT, finish);
		CLIParser cliParser;
		Configuration configuration = cliParser.parse(cli.arguments());
		jackCommand.reset(new JackCommand(configuration));
		std::shared_ptr<RelationalWriter> writer(Factory::create(std::cout));
		jackCommand->processJackStream(writer, std::bind(fflush, stdout)); // std::bind(fflush, XXX) Factory::create(XXX) must be the same stream XXX
		resultCode = CLI::EXIT_CODE_SUCCESS;
	} catch (RelpipeCLIException e) {
		fwprintf(stderr, L"Caught CLI exception: %ls\n", e.getMessge().c_str());
		fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount());
		resultCode = e.getExitCode();
	} catch (JackException e) {
		fwprintf(stderr, L"Caught JACK exception: %ls\n", e.getMessge().c_str());
		fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount());
		resultCode = CLI::EXIT_CODE_UNEXPECTED_ERROR;
	} catch (RelpipeWriterException e) {
		fwprintf(stderr, L"Caught Writer exception: %ls\n", e.getMessge().c_str());
		fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount());
		resultCode = CLI::EXIT_CODE_DATA_ERROR;
	}

	return resultCode;
}