
/*
 * libretroshare/src/gxs/: rsgxsifaceimpl.h
 *
 * RetroShare GXS. RsGxsIface
 *
 * Copyright 2012 by Christopher Evi-Parker
 *
 * 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 RSGXSIFACE_H_
#define RSGXSIFACE_H_

#include "retroshare/rsreputations.h"
#include "retroshare/rsgxsservice.h"
#include "gxs/rsgxsdata.h"
#include "retroshare/rsgxsifacetypes.h"

/*!
 * Stores ids of changed gxs groups and messages. It is used to notify the GUI about changes.
 */
class RsGxsChanges
{
public:
    RsGxsChanges(): mService(0){}
    RsTokenService *mService;
    std::map<RsGxsGroupId, std::vector<RsGxsMessageId> > mMsgs;
    std::map<RsGxsGroupId, std::vector<RsGxsMessageId> > mMsgsMeta;
    std::list<RsGxsGroupId> mGrps;
    std::list<RsGxsGroupId> mGrpsMeta;
};

/*!
 * All implementations must offer thread safety
 */
class RsGxsIface
{
public:

	virtual ~RsGxsIface(){};

public:

    /*!
     * Gxs services should call this for automatic handling of
     * changes, send
     * @param changes
     */
    virtual void receiveChanges(std::vector<RsGxsNotify*>& changes) = 0;

    /*!
     * @return handle to token service for this GXS service
     */
    virtual RsTokenService* getTokenService() = 0;

    /* Generic Lists */

    /*!
     * Retrieve list of group ids associated to a request token
     * @param token token to be redeemed for this request
     * @param groupIds the ids return for given request token
     * @return false if request token is invalid, check token status for error report
     */
    virtual bool getGroupList(const uint32_t &token,
                              std::list<RsGxsGroupId> &groupIds) = 0;

    /*!
     * Retrieves list of msg ids associated to a request token
     * @param token token to be redeemed for this request
     * @param msgIds the ids return for given request token
     * @return false if request token is invalid, check token status for error report
     */
    virtual bool getMsgList(const uint32_t &token,
                            GxsMsgIdResult& msgIds) = 0;

    /*!
     * Retrieves list of msg related ids associated to a request token
     * @param token token to be redeemed for this request
     * @param msgIds the ids return for given request token
     * @return false if request token is invalid, check token status for error report
     */
    virtual bool getMsgRelatedList(const uint32_t &token,
                           MsgRelatedIdResult& msgIds) = 0;

    /*!
     * @param token token to be redeemed for group summary request
     * @param groupInfo the ids returned for given request token
     * @return false if request token is invalid, check token status for error report
     */
    virtual bool getGroupMeta(const uint32_t &token,
                                 std::list<RsGroupMetaData> &groupInfo) = 0;

    /*!
     * @param token token to be redeemed for message summary request
     * @param msgInfo the message metadata returned for given request token
     * @return false if request token is invalid, check token status for error report
     */
    virtual bool getMsgMeta(const uint32_t &token,
                               GxsMsgMetaMap &msgInfo) = 0;

    /*!
     * @param token token to be redeemed for message related summary request
     * @param msgInfo the message metadata returned for given request token
     * @return false if request token is invalid, check token status for error report
     */
    virtual bool getMsgRelatedMeta(const uint32_t &token,
                               GxsMsgRelatedMetaMap &msgInfo) = 0;

    /*!
     * subscribes to group, and returns token which can be used
     * to be acknowledged to get group Id
     * @param token token to redeem for acknowledgement
     * @param grpId the id of the group to subscribe to
     */
    virtual bool subscribeToGroup(uint32_t& token, const RsGxsGroupId& grpId, bool subscribe) = 0;

    /*!
     * This allows the client service to acknowledge that their msgs has
     * been created/modified and retrieve the create/modified msg ids
     * @param token the token related to modification/create request
     * @param msgIds map of grpid->msgIds of message created/modified
     * @return true if token exists false otherwise
     */
    virtual bool acknowledgeTokenMsg(const uint32_t& token, std::pair<RsGxsGroupId, RsGxsMessageId>& msgId) = 0;

    /*!
     * This allows the client service to acknowledge that their grps has
     * been created/modified and retrieve the create/modified grp ids
     * @param token the token related to modification/create request
     * @param msgIds vector of ids of groups created/modified
     * @return true if token exists false otherwise
     */
    virtual bool acknowledgeTokenGrp(const uint32_t& token, RsGxsGroupId& grpId) = 0;

	/*!
	 * Gets service statistic for a given services
	 * @param token value to to retrieve requested stats
	 * @param stats the status
	 * @return true if token exists false otherwise
	 */
	virtual bool getServiceStatistic(const uint32_t& token, GxsServiceStatistic& stats) = 0;

	/*!
	 *
	 * @param token to be redeemed
	 * @param stats the stats associated to token request
	 * @return true if token is false otherwise
	 */
	virtual bool getGroupStatistic(const uint32_t& token, GxsGroupStatistic& stats) = 0;

	/*!
	 *
	 * @param token value set to be redeemed with acknowledgement
	 * @param grpId group id for cutoff value to be set
	 * @param CutOff The cut off value to set
	 */
	virtual void setGroupReputationCutOff(uint32_t& token, const RsGxsGroupId& grpId, int CutOff) = 0;

    /*!
     * @return storage/sync time of messages in secs
     */
    virtual uint32_t getDefaultStoragePeriod() = 0;
    virtual uint32_t getStoragePeriod(const RsGxsGroupId& grpId) = 0;
    virtual void     setStoragePeriod(const RsGxsGroupId& grpId,uint32_t age_in_secs) = 0;

    virtual uint32_t getDefaultSyncPeriod() = 0;
    virtual uint32_t getSyncPeriod(const RsGxsGroupId& grpId) = 0;
    virtual void     setSyncPeriod(const RsGxsGroupId& grpId,uint32_t age_in_secs) = 0;

    virtual RsReputations::ReputationLevel minReputationForForwardingMessages(uint32_t group_sign_flags,uint32_t identity_flags)=0;
};



#endif /* RSGXSIFACE_H_ */
