/**

 * Relational pipes (library)

 * 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 Lesser General Public License as published by the Free Software Foundation;

 *  - GNU General Public License as published by the Free Software Foundation;

 *

 * 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 <string>

#include <iostream>

#include <relpipe/protocol/constants.h>

#include "../../include/relpipe/reader/RelpipeReaderException.h"

#include "../../include/relpipe/reader/typedefs.h"

#include "../DataTypeReader.h"

namespace relpipe {

namespace reader {

namespace types {

using namespace relpipe::protocol;

using namespace relpipe::reader;

class BooleanDataTypeReader : public DataTypeReader<boolean_t> {

private:

	const string_t TRUE = L"true";

	const string_t FALSE = L"false";

public:

	BooleanDataTypeReader() : DataTypeReader<boolean_t>(TypeId::BOOLEAN, DATA_TYPE_CODE_BOOLEAN) {

	}

	bool readValue(std::istream &input) override {

		auto value = input.get(); // TODO: check failbit

		if (value == 0) return false;

		else if (value == 1) return true;

		else throw RelpipeReaderException(L"Unable to convert the octet to boolean");

	}

	string_t toString(const boolean_t &value) override {

		return value ? TRUE : FALSE;

	}

};

}

}

}