/**
 * 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;
 *    version 3 of the License or (at your option)
 *  - GNU General Public License as published by the Free Software Foundation;
 *    version 2 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 <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;
	}

};

}
}
}