/*******************************************************************************
 * libretroshare/src/services: p3photoservice.h                                *
 *                                                                             *
 * libretroshare: retroshare core library                                      *
 *                                                                             *
 * Copyright 2008-2012 Robert Fernie,Chris Evi-Parker <retroshare@lunamutt.com>*
 *                                                                             *
 * This program is free software: you can redistribute it and/or modify        *
 * it under the terms of the GNU Lesser General Public License as              *
 * published by the Free Software Foundation, either version 3 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 Lesser General Public License for more details.                         *
 *                                                                             *
 * You should have received a copy of the GNU Lesser General Public License    *
 * along with this program. If not, see <https://www.gnu.org/licenses/>.       *
 *                                                                             *
 *******************************************************************************/
#ifndef P3PHOTOSERVICEV2_H
#define P3PHOTOSERVICEV2_H

#include "gxs/rsgenexchange.h"
#include "retroshare/rsphoto.h"

class p3PhotoService : public RsPhoto, public RsGenExchange
{
public:

    p3PhotoService(RsGeneralDataService* gds, RsNetworkExchangeService* nes, RsGixs* gixs);
virtual RsServiceInfo getServiceInfo();

static uint32_t photoAuthenPolicy();

public:

    /*!
     * @return true if a change has occured
     */
    bool updated();

    /*!
     *
     */
    void service_tick();

protected:

    void notifyChanges(std::vector<RsGxsNotify*>& changes);
public:

    /** Requests **/

    void groupsChanged(std::list<RsGxsGroupId>& grpIds);


    void msgsChanged(GxsMsgIdResult& msgs);

    RsTokenService* getTokenService();

    bool getGroupList(const uint32_t &token,
                              std::list<RsGxsGroupId> &groupIds);
    bool getMsgList(const uint32_t &token,
                            GxsMsgIdResult& msgIds);

    /* Generic Summary */
    bool getGroupSummary(const uint32_t &token,
                                 std::list<RsGroupMetaData> &groupInfo);

    bool getMsgSummary(const uint32_t &token,
                               MsgMetaResult &msgInfo);

    /* Specific Service Data */
    bool getAlbum(const uint32_t &token, std::vector<RsPhotoAlbum> &albums);
    bool getPhoto(const uint32_t &token, PhotoResult &photos);
    bool getPhotoComment(const uint32_t &token, PhotoCommentResult &comments);
    bool getPhotoRelatedComment(const uint32_t &token, PhotoRelatedCommentResult &comments);

public:

    /** Modifications **/

    /*!
     * submits album, which returns a token that needs
     * to be acknowledge to get album grp id
     * @param token token to redeem for acknowledgement
     * @param album album to be submitted
     */
    bool submitAlbumDetails(uint32_t& token, RsPhotoAlbum &album);

    /*!
     * submits photo, which returns a token that needs
     * to be acknowledge to get photo msg-grp id pair
     * @param token token to redeem for acknowledgement
     * @param photo photo to be submitted
     */
    bool submitPhoto(uint32_t& token, RsPhotoPhoto &photo);

    /*!
     * submits photo comment, which returns a token that needs
     * to be acknowledged to get photo msg-grp id pair
     * The mParentId needs to be set to an existing msg for which
     * commenting is enabled
     * @param token token to redeem for acknowledgement
     * @param comment comment to be submitted
     */
    bool submitComment(uint32_t& token, RsPhotoComment &photo);

    /*!
     * 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
     */
    bool subscribeToAlbum(uint32_t& token, const RsGxsGroupId& grpId, bool subscribe);

    /*!
     * 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
     */
    bool acknowledgeMsg(const uint32_t& token, std::pair<RsGxsGroupId, RsGxsMessageId>& msgId);

    /*!
	 * 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
	 */
    bool acknowledgeGrp(const uint32_t& token, RsGxsGroupId& grpId);

private:

    std::vector<RsGxsGroupChange*> mGroupChange;
    std::vector<RsGxsMsgChange*> mMsgChange;

    RsMutex mPhotoMutex;
};

#endif // P3PHOTOSERVICEV2_H