/*
 * libretroshare/src/services: p3ranking.h
 *
 * 3P/PQI network interface for RetroShare.
 *
 * Copyright 2007-2008 by Robert Fernie.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License Version 2 as published by the Free Software Foundation.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA.
 *
 * Please report all bugs and problems to "retroshare@lunamutt.com".
 *
 */

#ifndef P3_GENERIC_RANKING_HEADER
#define P3_GENERIC_RANKING_HEADER

class pqistore ;

#include "retroshare/rsplugin.h"
#include "plugins/rscacheservice.h"

#include "rsrank.h"

/* 
 * A Generic Ranking system.
 * Each User provides one cache...
 *
 * can be overloaded for specific types
 * (links, shares, photos etc)
 *
 * This is not generic yet!!!
 */

class RsRankMsg;
class RsRankLinkMsg;

const uint16_t RS_SERVICE_TYPE_RANK  = 0x0002 ;
const uint32_t CONFIG_TYPE_RANK_LINK = 0x0011 ;

class RankGroup
{
	public:

	std::string rid; /* Random Id */
	std::wstring link; 
	std::wstring title; 
	float rank;
	bool ownTag;
	std::map<std::string, RsRankLinkMsg *>  comments;
};

class p3Ranking: public RsCacheService, public RsRanks
{
	public:

                p3Ranking(RsPluginHandler* pgHandler) ;


		/******************************* CACHE SOURCE / STORE Interface *********************/

		/* overloaded functions from Cache Source */
		virtual bool    loadLocalCache(const RsCacheData &data);

		/* overloaded functions from Cache Store */
		virtual int    loadCache(const RsCacheData &data);

		/******************************* CACHE SOURCE / STORE Interface *********************/

	public:

		/************* Extern Interface *******/

		/* changed */
		virtual bool updated();

		/* Set Sort Methods */
		virtual bool setSortPeriod(uint32_t period);
		virtual bool setSortMethod(uint32_t type);
		virtual bool clearPeerFilter();
		virtual bool setPeerFilter(std::list<std::string> peers);

		/* get Ids */
		virtual uint32_t getRankingsCount();
		virtual float   getMaxRank();
		virtual bool    getRankings(uint32_t first, uint32_t count, std::list<std::string> &rids);
		virtual bool    getRankDetails(std::string rid, RsRankDetails &details);

		/* Add New Comment / Msg */
		virtual std::string newRankMsg(std::wstring link, std::wstring title, std::wstring comment, int32_t score);
		virtual bool updateComment(std::string rid, std::wstring comment, int32_t score);
		virtual std::string anonRankMsg(std::string rid, std::wstring link, std::wstring title);


		virtual void	tick();

		void	loadRankFile(std::string filename, std::string src);
		void 	addRankMsg(RsRankLinkMsg *msg);
		void 	publishMsgs(bool own);

		float 	locked_calcRank(RankGroup &grp); /* returns 0->100 */
		void	locked_reSortGroup(RankGroup &grp);

		void	sortAllMsgs();
		pqistore *createStore(std::string file, std::string src, bool reading);


		/****************** p3Config STUFF *******************/
	protected:
		bool    addAnonToList(RsRankLinkMsg *msg);

		virtual RsSerialiser *setupSerialiser();
		virtual bool saveList(bool &cleanup, std::list<RsItem *>&);
		virtual bool loadList(std::list<RsItem *>& load);
		virtual void    saveDone();

	private:	

		void	createDummyData();

		uint32_t storePeriod;
                p3LinkMgr *mConnMgr;

		RsMutex mRankMtx;

		/***** below here is locked *****/

		bool mRepublish;
		bool mRepublishFriends;
		time_t mRepublishFriendTS;

		uint32_t mStorePeriod;

		std::string mOwnId;
		bool mUpdated;
		bool mRepost;

		std::map<std::string, RankGroup> mData;
		std::multimap<float, std::string> mRankings;

		/* Filter/Sort params */
		std::list<std::string> mPeerFilter;
		uint32_t mViewPeriod;
		uint32_t mSortType;

		/* Anonymous Link List */
		std::list<RsRankLinkMsg *> mAnon;

};

#endif