/**
 * Relational pipes
 * Copyright © 2022 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 <codecvt>
#include <regex>
#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 <relpipe/writer/Factory.h>

#include <relpipe/cli/RelpipeCLIException.h>

#include "Configuration.h"
#include "HTTPServer.h"

namespace relpipe {
namespace tr {
namespace httpd {

class HttpdHandler : public relpipe::reader::handlers::RelationalReaderStringHandler {
private:
	std::wstring_convert<codecvt_utf8<wchar_t>> convertor; // XML is in UTF-8
	shared_ptr<relpipe::writer::RelationalWriter> relationalWriter;
	Configuration configuration;
	std::shared_ptr<HTTPServer> httpServer;
	std::vector<relpipe::reader::handlers::AttributeMetadata> currentReaderMetadata;
	std::vector<relpipe::writer::AttributeMetadata> currentWriterMetadata;
	size_t currentAttributeIndex = 0;
	size_t currentRecordNumber = 1;

	class RequestHandler : public HTTPServer::RequestHandler {
	public:

		const HTTPServer::Response handle(const HTTPServer::Request& request) override {
			HTTPServer::Response response;

			// TODO: return real responses
			response.code = 200;
			response.body = "<h1>greetings and salutations</h1>";

			return response;
		}

	};

	std::shared_ptr<RequestHandler> requestHandler = std::make_shared<RequestHandler>();

public:

	HttpdHandler(shared_ptr<relpipe::writer::RelationalWriter> relationalWriter, Configuration configuration, std::shared_ptr<HTTPServer> httpServer) : relationalWriter(relationalWriter), configuration(configuration), httpServer(httpServer) {
		httpServer->setRequestHandler(requestHandler);
	}

	virtual ~HttpdHandler() {
	}

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

	}

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

	}

	void endOfPipe() {

	}

};

}
}
}