/**

 * Relational pipes

 * Copyright © 2019 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/>.

 */

#pragma once

#include <ext/stdio_filebuf.h>

#include "FilesystemCommand.h"

namespace relpipe {

namespace in {

namespace filesystem {

namespace fs = std::filesystem;

using namespace relpipe::writer;

class PlainFilesystemCommand : public FilesystemCommand {

public:

	void process(int inputFD, int outputFD, Configuration& configuration) {

		__gnu_cxx::stdio_filebuf<char> inputBuffer(inputFD, std::ios::in);

		__gnu_cxx::stdio_filebuf<char> outputBuffer(outputFD, std::ios::out);

		std::istream input(&inputBuffer);

		std::ostream output(&outputBuffer);

		std::shared_ptr<RelationalWriter> writer(Factory::create(output));

		std::map<string_t, std::shared_ptr < AttributeFinder>> attributeFinders = createAttributeFinders();

		string_t relationName = fetchRelationName(&configuration);

		writeHeader(writer.get(), attributeFinders, relationName, &configuration.fields);

		for (std::stringstream originalName; readNext(input, originalName); reset(originalName)) {

			processSingleFile(writer, originalName, attributeFinders, configuration, relationName);

		}

	}

};

}

}

}