/**

 * Relational pipes

 * Copyright © 2021 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 <memory>

#include <string>

#include <vector>

#include <iostream>

#include <sstream>

#include <locale>

#include <codecvt>

#include <stdexcept>

#include <relpipe/common/type/typedefs.h>

#include <relpipe/reader/TypeId.h>

#include <relpipe/reader/handlers/RelationalReaderStringHandler.h>

#include <relpipe/reader/handlers/AttributeMetadata.h>

#include "Configuration.h"

namespace relpipe {

namespace out {

namespace x11 {

class X11Handler : public relpipe::reader::handlers::RelationalReaderStringHandler {

private:

	Configuration& configuration;

	std::wstring_convert<std::codecvt_utf8<wchar_t>> convertor; // TODO: probably not needed

	std::vector<relpipe::reader::handlers::AttributeMetadata> firstAttributes;

	relpipe::common::type::Integer valueCount = 0;

public:

	X11Handler(std::ostream& output, Configuration& configuration) : output(output), configuration(configuration) {

	}

	void startRelation(relpipe::common::type::StringX name, std::vector<relpipe::reader::handlers::AttributeMetadata> attributes) override {

		} else {

		}

	}

	void attribute(const relpipe::common::type::StringX& value) override {

		valueCount++;

		if (value.size() > 0) {

			output << QUOTE;

			for (auto ch : convertor.to_bytes(value)) {

				if (ch == QUOTE) output << QUOTE << QUOTE;

				else output << ch;

			}

			output << QUOTE;

		}

		if (valueCount % firstAttributes.size()) {

			output << ",";

		} else {

			output << "\r\n";

			valueCount = 0;

		}

	}

	void endOfPipe() {

		output.flush();

	}

};

}

}

}