/*
 * Copyright (C) 2001-2017 Jacek Sieka, arnetheduck on gmail point com
 *
 * 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#ifndef DCPLUSPLUS_DCPP_HTTP_DOWNLOAD_H
#define DCPLUSPLUS_DCPP_HTTP_DOWNLOAD_H
#include <functional>
#include "HttpConnection.h"

namespace dcpp {

using std::string;

/** Helper struct to manage a single HTTP download. Calls a completion function when finished. */
struct HttpDownload : private HttpConnectionListener {
	typedef std::function<void (bool success, const string& result)> CompletionFunc;
	
	explicit HttpDownload(const string& address, CompletionFunc f, bool coralize = true);
	explicit HttpDownload(const string& address, const StringMap& data, CompletionFunc f, bool coralize = true);
	~HttpDownload();

private:
	using HttpConnectionListener::on;
	HttpConnection c;
	string buf;
	CompletionFunc f;

	// HttpConnectionListener
	void on(HttpConnectionListener::Data, HttpConnection* c, const uint8_t* buf_, size_t len) noexcept;
	void on(HttpConnectionListener::Failed, HttpConnection*, const string& line) noexcept;
	void on(HttpConnectionListener::Complete, HttpConnection*, const string& line, bool) noexcept;
	void on(HttpConnectionListener::Retried, HttpConnection*, bool connected) noexcept;
	HttpDownload(HttpDownload&);
	HttpDownload& operator=(HttpDownload&);
};

} // namespace dcpp

#endif // !defined(DCPLUSPLUS_DCPP_HTTP_DOWNLOAD_H)
