/**

 * Relational pipes

 * Copyright © 2018 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 <cstdlib>

#include <fstream>

#include <memory>

#include <regex>

#include <algorithm>

#include <unistd.h>

#include <relpipe/writer/RelationalWriter.h>

#include <relpipe/writer/RelpipeWriterException.h>

#include <relpipe/writer/Factory.h>

#include <relpipe/writer/TypeId.h>

#include <relpipe/cli/CLI.h>

using namespace relpipe::cli;

using namespace relpipe::writer;

int main(int argc, char** argv) {

	setlocale(LC_ALL, "");

	CLI::untieStdIO();

	int resultCode = CLI::EXIT_CODE_UNEXPECTED_ERROR;

	try {

		if (isatty(fileno(stdin))) {

			/**

			 * Our program is executed on TTY without input stream redirection → read from default file location.

			 * e.g. $ relpipe-in-fstab | …

			 * (we don't expect that user is writing the content of fstab by hand on the terminal)

			 */

			ifstream s("/etc/fstab");

		} else {

			/**

			 * Input stream comes from a file or is piped from other command → read it instead of default file.

			 * e.g. $ cat /etc/fstab | grep '/mnt/' | relpipe-in-fstab | …

			 * or $ relpipe-in-fstab < /etc/fstab | … # without UUoC

			 * or $ ssh example.com cat /etc/fstab | relpipe-in-fstab | …

			 * or $ cat | relpipe-in-fstab | … # user writes the fstab content by hand

			 */

		}

		resultCode = CLI::EXIT_CODE_SUCCESS;

	} 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;

}