/*
 * libretroshare/src/services msgservice.h
 *
 * Services for RetroShare.
 *
 * Copyright 2004-2008 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 MESSAGE_SERVICE_HEADER
#define MESSAGE_SERVICE_HEADER

#include <list>
#include <map>
#include <iostream>

#include "retroshare/rsmsgs.h"

#include "pqi/pqi.h"
#include "pqi/pqiindic.h"

#include "pqi/pqiservicemonitor.h"
#include "pqi/p3cfgmgr.h"

#include "services/p3service.h"
#include "serialiser/rsmsgitems.h"
#include "util/rsthreads.h"

#include "retroshare/rsgxsifacetypes.h"

#include "grouter/p3grouter.h"
#include "grouter/grouterclientservice.h"
#include "turtle/p3turtle.h"
#include "turtle/turtleclientservice.h"

class p3LinkMgr;
class p3IdService;

// Temp tweak to test grouter
class p3MsgService: public p3Service, public p3Config, public pqiServiceMonitor, public GRouterClientService
{
	public:
		p3MsgService(p3ServiceControl *sc, p3IdService *id_service);
		virtual RsServiceInfo getServiceInfo();

		/* External Interface */
		bool 	getMessageSummaries(std::list<Rs::Msgs::MsgInfoSummary> &msgList);
		bool 	getMessage(const std::string &mid, Rs::Msgs::MessageInfo &msg);
		void    getMessageCount(unsigned int *pnInbox, unsigned int *pnInboxNew, unsigned int *pnOutbox, unsigned int *pnDraftbox, unsigned int *pnSentbox, unsigned int *pnTrashbox);

		bool decryptMessage(const std::string& mid) ;
		bool    removeMsgId(const std::string &mid); 
		bool    markMsgIdRead(const std::string &mid, bool bUnreadByUser);
		bool    setMsgFlag(const std::string &mid, uint32_t flag, uint32_t mask);
		bool    getMsgParentId(const std::string &msgId, std::string &msgParentId);
		// msgParentId == 0 --> remove
		bool    setMsgParentId(uint32_t msgId, uint32_t msgParentId);

		bool    MessageSend(Rs::Msgs::MessageInfo &info);
		bool    SystemMessage(const std::string &title, const std::string &message, uint32_t systemFlag);
		bool    MessageToDraft(Rs::Msgs::MessageInfo &info, const std::string &msgParentId);
		bool    MessageToTrash(const std::string &mid, bool bTrash);

		bool 	getMessageTagTypes(Rs::Msgs::MsgTagType& tags);
		bool  	setMessageTagType(uint32_t tagId, std::string& text, uint32_t rgb_color);
		bool    removeMessageTagType(uint32_t tagId);

		bool 	getMessageTag(const std::string &msgId, Rs::Msgs::MsgTagInfo& info);
		/* set == false && tagId == 0 --> remove all */
		bool 	setMessageTag(const std::string &msgId, uint32_t tagId, bool set);

		bool    resetMessageStandardTagTypes(Rs::Msgs::MsgTagType& tags);

		void    loadWelcomeMsg(); /* startup message */

		//std::list<RsMsgItem *> &getMsgList();
		//std::list<RsMsgItem *> &getMsgOutList();

		int	tick();
		int	status();

		/*** Overloaded from p3Config ****/
		virtual RsSerialiser *setupSerialiser();
		virtual bool saveList(bool& cleanup, std::list<RsItem*>&);
		virtual bool loadList(std::list<RsItem*>& load);
		virtual void saveDone();
		/*** Overloaded from p3Config ****/

		/*** Overloaded from pqiMonitor ***/
		virtual void    statusChange(const std::list<pqiServicePeer> &plist);
		int     checkOutgoingMessages();
		/*** Overloaded from pqiMonitor ***/

		/*** overloaded from p3turtle   ***/

		virtual void connectToGlobalRouter(p3GRouter *) ;

		struct DistantMessengingInvite
		{
			time_t time_of_validity ;
		};
		struct DistantMessengingContact
		{
			time_t last_hit_time ;
			RsPeerId virtual_peer_id ;
			uint32_t status ;
			bool pending_messages ;
		};
		void enableDistantMessaging(bool b) ;
		bool distantMessagingEnabled() ;

	private:
        void sendDistantMsgItem(RsMsgItem *msgitem) ;

		// This contains the ongoing tunnel handling contacts.
		// The map is indexed by the hash
		//
		std::map<GRouterMsgPropagationId,uint32_t> _ongoing_messages ;

		// Overloaded from GRouterClientService

        virtual void receiveGRouterData(const RsGxsId& destination_key,const RsGxsId& signing_key, GRouterServiceId &client_id, uint8_t *data, uint32_t data_size) ;
        virtual void notifyDataStatus(const GRouterMsgPropagationId& msg_id,uint32_t data_status) ;

		// Utility functions

		bool createDistantMessage(const RsGxsId& destination_gxs_id,const RsGxsId& source_gxs_id,RsMsgItem *msg) ;
		bool locked_findHashForVirtualPeerId(const RsPeerId& pid,Sha1CheckSum& hash) ;
        void sendGRouterData(const RsGxsId &key_id,RsMsgItem *) ;

		void manageDistantPeers() ;

		void handleIncomingItem(RsMsgItem *) ;

		uint32_t getNewUniqueMsgId();
        uint32_t sendMessage(RsMsgItem *item);
        uint32_t sendDistantMessage(RsMsgItem *item,const RsGxsId& signing_gxs_id);
        void    checkSizeAndSendMessage(RsMsgItem *msg);

		int 	incomingMsgs();
		void    processMsg(RsMsgItem *mi, bool incoming);
		bool checkAndRebuildPartialMessage(RsMsgItem*) ;

		void 	initRsMI(RsMsgItem *msg, Rs::Msgs::MessageInfo &mi);
		void 	initRsMIS(RsMsgItem *msg, Rs::Msgs::MsgInfoSummary &mis);

		RsMsgItem *initMIRsMsg(const Rs::Msgs::MessageInfo &info, const RsPeerId& to);
		RsMsgItem *initMIRsMsg(const Rs::Msgs::MessageInfo &info, const RsGxsId& to);
		void initMIRsMsg(RsMsgItem *item,const Rs::Msgs::MessageInfo &info) ;

		void    initStandardTagTypes();

		p3IdService *mIdService ;
        p3ServiceControl *mServiceCtrl;
        p3GRouter *mGRouter ;

		/* Mutex Required for stuff below */

		RsMutex mMsgMtx;
		RsMsgSerialiser *_serialiser ;

		/* stored list of messages */
		std::map<uint32_t, RsMsgItem *> imsg;
		/* ones that haven't made it out yet! */
		std::map<uint32_t, RsMsgItem *> msgOutgoing; 

		std::map<RsPeerId, RsMsgItem *> _pendingPartialMessages ;

		/* maps for tags types and msg tags */

		std::map<uint32_t, RsMsgTagType*> mTags;
		std::map<uint32_t, RsMsgTags*> mMsgTags;

		uint32_t mMsgUniqueId;

		// used delete msgSrcIds after config save
        std::map<uint32_t, RsMsgSrcId*> mSrcIds;

        // temporary storage. Will not be needed when messages have a proper "from" field. Not saved!
        std::map<uint32_t, RsGxsId> mDistantOutgoingMsgSigners;

		// save the parent of the messages in draft for replied and forwarded
		std::map<uint32_t, RsMsgParentId*> mParentId;

		std::string config_dir;

		bool mDistantMessagingEnabled ;
        bool mShouldEnableDistantMessaging ;
};

#endif // MESSAGE_SERVICE_HEADER