/****************************************************************
 *  RetroShare GUI is distributed under the following license:
 *
 *  Copyright (C) 2012 by Thunder
 *
 *  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., 51 Franklin Street, Fifth Floor,
 *  Boston, MA  02110-1301, USA.
 ****************************************************************/

#ifndef P3_FEEDREADERTHREAD
#define P3_FEEDREADERTHREAD

#include "interface/rsFeedReader.h"

#include "util/rsthreads.h"
#include <list>

class p3FeedReader;
class RsFeedReaderFeed;
class RsFeedReaderMsg;
class HTMLWrapper;
class RsFeedReaderXPath;

class p3FeedReaderThread : public RsTickingThread
{
public:
	enum Type
	{
		DOWNLOAD,
		PROCESS
	};

public:
	p3FeedReaderThread(p3FeedReader *feedReader, Type type, const std::string &feedId);
	virtual ~p3FeedReaderThread();

	std::string getFeedId() { return mFeedId; }

	static RsFeedReaderErrorState processXPath(const std::list<std::string> &xpathsToUse, const std::list<std::string> &xpathsToRemove, std::string &description, std::string &errorString);
	static RsFeedReaderErrorState processXPath(const std::list<std::string> &xpathsToUse, const std::list<std::string> &xpathsToRemove, HTMLWrapper &html, std::string &errorString);

	static RsFeedReaderErrorState processXslt(const std::string &xslt, std::string &description, std::string &errorString);
	static RsFeedReaderErrorState processXslt(const std::string &xslt, HTMLWrapper &html, std::string &errorString);

	static RsFeedReaderErrorState processTransformation(const RsFeedReaderFeed &feed, RsFeedReaderMsg *msg, std::string &errorString);
private:
    virtual void data_tick();

	RsFeedReaderErrorState download(const RsFeedReaderFeed &feed, std::string &content, std::string &icon, std::string &errorString);
	RsFeedReaderErrorState process(const RsFeedReaderFeed &feed, std::list<RsFeedReaderMsg*> &entries, std::string &errorString);

	std::string getProxyForFeed(const RsFeedReaderFeed &feed);
	RsFeedReaderErrorState processMsg(const RsFeedReaderFeed &feed, RsFeedReaderMsg *msg, std::string &errorString);

	p3FeedReader *mFeedReader;
	Type mType;
	std::string mFeedId;
};

#endif