/**

 * 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 <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;

/**

 * see https://hg.frantovo.cz/sql-api/file/tip/prototyp/prototyp.sql#l49

 */

	wregex devicePattern = wregex(L"(LABEL|UUID)=(.*)");

	wregex linePattern = wregex(L"^([^\\s#]+)\\s+([^\\s]+)\\s+([^\\s]+)\\s+([^\\s]+)\\s+(\\d+)\\s+(\\d+)\\s*$");

	wstring_convert < codecvt_utf8<wchar_t>> convertor; // TODO: support also other encodings.

		{L"scheme", TypeId::STRING},

		{L"device", TypeId::STRING},

		{L"mount_point", TypeId::STRING},

		{L"type", TypeId::STRING},

		// {L"types", TypeId::STRING}, // TODO: array

		{L"options", TypeId::STRING}, // TODO: array

		{L"dump", TypeId::INTEGER},

		{L"pass", TypeId::INTEGER}

	}, true);

	string lineBytes;

		wstring line = convertor.from_bytes(lineBytes);

		wsmatch lineMatch;

		if (regex_search(line, lineMatch, linePattern) && lineMatch.size() > 0) {

			int g = 1;

			wstring device = lineMatch[g++];

			wstring mountPoint = lineMatch[g++];

			wstring type = lineMatch[g++];

			wstring options = lineMatch[g++];

			wstring dump = lineMatch[g++];

			wstring pass = lineMatch[g++];

			wsmatch deviceMatch;

			if (regex_search(device, deviceMatch, devicePattern)) {

				writer->writeAttribute(deviceMatch[1]);

				writer->writeAttribute(deviceMatch[2]);

			} else {

				writer->writeAttribute(L""); // TODO: null (requires bitmap)

				writer->writeAttribute(device);

			}

			if (mountPoint == L"none") mountPoint = L""; // TODO: null (requires bitmap)

			writer->writeAttribute(mountPoint);

			writer->writeAttribute(type);

			writer->writeAttribute(options);

			writer->writeAttribute(dump);

			writer->writeAttribute(pass);

		}

	}

}

}