/**

 * 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

 *

 * 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 <memory>

#include <relpipe/cli/CLI.h>

#include <relpipe/cli/RelpipeCLIException.h>

#include <relpipe/reader/Factory.h>

#include <relpipe/reader/RelationalReader.h>

#include <relpipe/reader/RelpipeReaderException.h>

#include "TabularPrefetchingHandler.h"

using namespace relpipe::cli;

using namespace relpipe::reader;

using namespace relpipe::out::tabular;

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

	setlocale(LC_ALL, "");

	CLI::untieStdIO();

	CLI cli(argc, argv);

	int resultCode = CLI::EXIT_CODE_UNEXPECTED_ERROR;

	try {

		// if (cli.arguments().size() > 0) {

		// const wstring commandName = cli.arguments()[0];

		// vector<wstring> arguments(cli.arguments().size() - 1);

		// for (int i = 1; i < cli.arguments().size(); i++) {

		//	arguments[i - 1] = cli.arguments()[i];

		// }

		std::shared_ptr<RelationalReader> reader(Factory::create(std::cin));

		TabularPrefetchingHandler handler(std::cout);

		reader->addHandler(&handler);

		reader->process();

		resultCode = CLI::EXIT_CODE_SUCCESS;

		// } else {

		//	throw RelpipeCLIException(L"Missing command…", CLI::EXIT_CODE_BAD_SYNTAX);

		// }

	} 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 (RelpipeReaderException e) {

		fwprintf(stderr, L"Caught Reader 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;

}