/**
 * @file fsfloaterexport.h
 * @brief export selected objects to an xml file in LLSD format.
 *
 * $LicenseInfo:firstyear=2012&license=viewerlgpl$
 * Phoenix Firestorm Viewer Source Code
 * Copyright (c) 2012 Techwolf Lupindo
 * Copyright (c) 2013 Cinder Roxley <cinder.roxley@phoenixviewer.com>
 *
 * This library 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;
 * version 2.1 of the License only.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * The Phoenix Firestorm Project, Inc., 1831 Oakwood Drive, Fairmont, Minnesota 56031-3225 USA
 * http://www.firestormviewer.org
 * $/LicenseInfo$
 */

#ifndef FS_FSEXPORT_H
#define FS_FSEXPORT_H

#include "llselectmgr.h"
#include "llsingleton.h"
#include "lltexturecache.h"
#include "llviewertexture.h"

// Floater includes
#include "llfloater.h"
#include "llscrolllistctrl.h"

class LLObjectSelection;

struct FSAssetResourceData
{
    std::string name;
    std::string description;
    void* user_data;
    LLUUID uuid;
};

class FSFloaterObjectExport : public LLFloater, public LLVOInventoryListener
{
    LOG_CLASS(FSFloaterObjectExport);
public:
    FSFloaterObjectExport(const LLSD& key);
    bool postBuild();
    void updateSelection();

    static void onImageLoaded(bool success,
                              LLViewerFetchedTexture *src_vi,
                              LLImageRaw* src,
                              LLImageRaw* aux_src,
                              S32 discard_level,
                              bool final,
                              void* userdata);
    void fetchTextureFromCache(LLViewerFetchedTexture* src_vi);
    void saveFormattedImage(LLPointer<LLImageFormatted> mFormattedImage, LLUUID id);
    void removeRequestedTexture(LLUUID texture_id);
    static void onIdle(void *user_data);
    /*virtual*/ void inventoryChanged(LLViewerObject* object,
                                      LLInventoryObject::object_list_t* inventory,
                                      S32 serial_num,
                                      void* user_data);
    static void onLoadComplete(const LLUUID& asset_uuid,
                               LLAssetType::EType type,
                               void* user_data, S32 status, LLExtStat ext_status);

private:
    typedef enum {IDLE, INVENTORY_DOWNLOAD, ASSET_DOWNLOAD, TEXTURE_DOWNLOAD} FSExportState;
    virtual ~FSFloaterObjectExport();
    /* virtual */ void draw();
    /* virtual */ void onOpen(const LLSD& key);
    void refresh();
    void dirty();
    bool exportSelection();
    void addSelectedObjects();
    void populateObjectList();
    void onClickExport();
    void onExportFileSelected(const std::vector<std::string>& filenames);
    void addTexturePreview();
    S32 getNumExportableTextures();
    void addObject(const LLViewerObject* prim, const std::string name);
    void updateTextureInfo();
    void updateUI();
    void updateTitleProgress(FSExportState state);

    FSExportState mExportState;
    typedef std::vector<std::pair<LLViewerObject*,std::string> > obj_info_t;
    obj_info_t mObjects;
    std::string mFilename;
    LLSafeHandle<LLObjectSelection> mObjectSelection;
    LLUUID mCurrentObjectID;

    S32 mTotal;
    S32 mIncluded;
    S32 mNumTextures;
    S32 mNumExportableTextures;

    LLScrollListCtrl* mObjectList;
    LLPanel* mTexturePanel;

    std::string mObjectName;

    LLSD getLinkSet(LLSelectNode* node);
    void addPrim(LLViewerObject* object, bool root);
    bool exportTexture(const LLUUID& texture_id);

    void onIdle();
    void removeRequestedAsset(LLUUID asset_uuid);

    LLSD mManifest;
    std::map<LLUUID, FSAssetResourceData> mRequestedTexture;
    std::map<LLUUID, bool> mTextureChecked;
    std::string mFilePath;
    LLLoadedCallbackEntry::source_callback_list_t mCallbackTextureList;
    LLFrameTimer mWaitTimer;
    size_t mLastRequest;
    bool mExported;
    bool mAborted;
    bool mDirty;

    typedef std::vector<LLUUID> id_list_t;
    typedef std::vector<std::string> string_list_t;
    id_list_t mTextures;
    string_list_t mTextureNames;

    uuid_vec_t mInventoryRequests;
    uuid_vec_t mAssetRequests;

    class FSExportCacheReadResponder : public LLTextureCache::ReadResponder
    {
        LOG_CLASS(FSExportCacheReadResponder);
    public:
        FSExportCacheReadResponder(const LLUUID& id, LLImageFormatted* image, FSFloaterObjectExport* parent);

        void setData(U8* data, S32 datasize, S32 imagesize, S32 imageformat, bool imagelocal);
        virtual void completed(bool success);

    private:
        LLPointer<LLImageFormatted> mFormattedImage;
        LLUUID mID;
        FSFloaterObjectExport* mParent;
    };
};

#endif // FS_FSEXPORT_H