/**
 * @file llfloaterbulkpermissions.cpp
 * @author Michelle2 Zenovka
 * @brief A floater which allows task inventory item's properties to be changed on mass.
 *
 * $LicenseInfo:firstyear=2008&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 *
 * 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
 *
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */


#include "llviewerprecompiledheaders.h"
#include "llfloaterbulkpermission.h"
#include "llfloaterperms.h" // for utilities
#include "llagent.h"
#include "llchat.h"
#include "llinventorydefines.h"
#include "llviewerwindow.h"
#include "llviewerobject.h"
#include "llviewerobjectlist.h"
#include "llviewerregion.h"
#include "llviewercontrol.h"
#include "llviewerinventory.h"
#include "llviewerobject.h"
#include "llviewerregion.h"
#include "llresmgr.h"
#include "llbutton.h"
#include "lldir.h"
#include "llviewerstats.h"
#include "lluictrlfactory.h"
#include "llselectmgr.h"
#include "llcheckboxctrl.h"

#include "roles_constants.h" // for GP_OBJECT_MANIPULATE


LLFloaterBulkPermission::LLFloaterBulkPermission(const LLSD& seed)
:   LLFloater(seed),
    mDone(false)
{
    mID.generate();
    mCommitCallbackRegistrar.add("BulkPermission.Ok",       { boost::bind(&LLFloaterBulkPermission::onOkBtn, this) });
    mCommitCallbackRegistrar.add("BulkPermission.Apply",    { boost::bind(&LLFloaterBulkPermission::onApplyBtn, this) });
    mCommitCallbackRegistrar.add("BulkPermission.Close",    { boost::bind(&LLFloaterBulkPermission::onCloseBtn, this) });
    mCommitCallbackRegistrar.add("BulkPermission.CheckAll", { boost::bind(&LLFloaterBulkPermission::onCheckAll, this) });
    mCommitCallbackRegistrar.add("BulkPermission.UncheckAll",   { boost::bind(&LLFloaterBulkPermission::onUncheckAll, this) });
    mCommitCallbackRegistrar.add("BulkPermission.CommitCopy",   { boost::bind(&LLFloaterBulkPermission::onCommitCopy, this) });
}

bool LLFloaterBulkPermission::postBuild()
{
    mBulkChangeIncludeAnimations = gSavedSettings.getBOOL("BulkChangeIncludeAnimations");
    mBulkChangeIncludeBodyParts = gSavedSettings.getBOOL("BulkChangeIncludeBodyParts");
    mBulkChangeIncludeClothing = gSavedSettings.getBOOL("BulkChangeIncludeClothing");
    mBulkChangeIncludeGestures = gSavedSettings.getBOOL("BulkChangeIncludeGestures");
    mBulkChangeIncludeNotecards = gSavedSettings.getBOOL("BulkChangeIncludeNotecards");
    mBulkChangeIncludeObjects = gSavedSettings.getBOOL("BulkChangeIncludeObjects");
    mBulkChangeIncludeScripts = gSavedSettings.getBOOL("BulkChangeIncludeScripts");
    mBulkChangeIncludeSounds = gSavedSettings.getBOOL("BulkChangeIncludeSounds");
    mBulkChangeIncludeTextures = gSavedSettings.getBOOL("BulkChangeIncludeTextures");
    mBulkChangeIncludeSettings = gSavedSettings.getBOOL("BulkChangeIncludeSettings");
    mBulkChangeIncludeMaterials = gSavedSettings.getBOOL("BulkChangeIncludeMaterials");

    mBulkChangeShareWithGroup = gSavedSettings.getBOOL("BulkChangeShareWithGroup");
    mBulkChangeEveryoneCopy = gSavedSettings.getBOOL("BulkChangeEveryoneCopy");
    mBulkChangeNextOwnerModify = gSavedSettings.getBOOL("BulkChangeNextOwnerModify");
    mBulkChangeNextOwnerCopy = gSavedSettings.getBOOL("BulkChangeNextOwnerCopy");
    mBulkChangeNextOwnerTransfer = gSavedSettings.getBOOL("BulkChangeNextOwnerTransfer");

    // fix invalid permissions case (in case initial settings were generated by a viewer affected by MAINT-3339)
    if( !mBulkChangeNextOwnerTransfer && !mBulkChangeEveryoneCopy)
    {
        mBulkChangeNextOwnerTransfer = true;
    }
    return true;
}

void LLFloaterBulkPermission::doApply()
{
    // Inspects a stream of selected object contents and adds modifiable ones to the given array.
    class ModifiableGatherer : public LLSelectedNodeFunctor
    {
    public:
        ModifiableGatherer(std::vector<LLUUID>& q) : mQueue(q) { mQueue.reserve(32); }
        virtual bool apply(LLSelectNode* node)
        {
            if( node->allowOperationOnNode(PERM_MODIFY, GP_OBJECT_MANIPULATE) )
            {
                mQueue.push_back(node->getObject()->getID());
            }
            return true;
        }
    private:
        std::vector<LLUUID>& mQueue;
    };
    LLScrollListCtrl* list = getChild<LLScrollListCtrl>("queue output");
    list->deleteAllItems();
    ModifiableGatherer gatherer(mObjectIDs);
    LLSelectMgr::getInstance()->getSelection()->applyToNodes(&gatherer);
    if(mObjectIDs.empty())
    {
        list->setCommentText(getString("nothing_to_modify_text"));
    }
    else
    {
        mDone = false;
        if (!start())
        {
            LL_WARNS() << "Unexpected bulk permission change failure." << LL_ENDL;
        }
    }
}


// This is the callback method for the viewer object currently being
// worked on.
// NOT static, virtual!
void LLFloaterBulkPermission::inventoryChanged(LLViewerObject* viewer_object,
                                             LLInventoryObject::object_list_t* inv,
                                             S32,
                                             void* q_id)
{
    //LL_INFOS() << "changed object: " << viewer_object->getID() << LL_ENDL;

    //Remove this listener from the object since its
    //listener callback is now being executed.

    //We remove the listener here because the function
    //removeVOInventoryListener removes the listener from a ViewerObject
    //which it internally stores.

    //If we call this further down in the function, calls to handleInventory
    //and nextObject may update the interally stored viewer object causing
    //the removal of the incorrect listener from an incorrect object.

    //Fixes SL-6119:Recompile scripts fails to complete
    removeVOInventoryListener();

    if (viewer_object && inv && (viewer_object->getID() == mCurrentObjectID) )
    {
        handleInventory(viewer_object, inv);
    }
    else
    {
        // something went wrong...
        // note that we're not working on this one, and move onto the
        // next object in the list.
        LL_WARNS() << "No inventory for " << mCurrentObjectID << LL_ENDL;
        nextObject();
    }
}

void LLFloaterBulkPermission::onOkBtn()
{
    doApply();
    closeFloater();
}

void LLFloaterBulkPermission::onApplyBtn()
{
    doApply();
}

void LLFloaterBulkPermission::onCloseBtn()
{
    gSavedSettings.setBOOL("BulkChangeIncludeAnimations", mBulkChangeIncludeAnimations);
    gSavedSettings.setBOOL("BulkChangeIncludeBodyParts", mBulkChangeIncludeBodyParts);
    gSavedSettings.setBOOL("BulkChangeIncludeClothing", mBulkChangeIncludeClothing);
    gSavedSettings.setBOOL("BulkChangeIncludeGestures", mBulkChangeIncludeGestures);
    gSavedSettings.setBOOL("BulkChangeIncludeNotecards", mBulkChangeIncludeNotecards);
    gSavedSettings.setBOOL("BulkChangeIncludeObjects", mBulkChangeIncludeObjects);
    gSavedSettings.setBOOL("BulkChangeIncludeScripts", mBulkChangeIncludeScripts);
    gSavedSettings.setBOOL("BulkChangeIncludeSounds", mBulkChangeIncludeSounds);
    gSavedSettings.setBOOL("BulkChangeIncludeTextures", mBulkChangeIncludeTextures);
    gSavedSettings.setBOOL("BulkChangeIncludeSettings", mBulkChangeIncludeSettings);
    gSavedSettings.setBOOL("BulkChangeIncludeMaterials", mBulkChangeIncludeMaterials);

    gSavedSettings.setBOOL("BulkChangeShareWithGroup", mBulkChangeShareWithGroup);
    gSavedSettings.setBOOL("BulkChangeEveryoneCopy", mBulkChangeEveryoneCopy);
    gSavedSettings.setBOOL("BulkChangeNextOwnerModify", mBulkChangeNextOwnerModify);
    gSavedSettings.setBOOL("BulkChangeNextOwnerCopy", mBulkChangeNextOwnerCopy);
    gSavedSettings.setBOOL("BulkChangeNextOwnerTransfer", mBulkChangeNextOwnerTransfer);
    closeFloater();
}

//static
void LLFloaterBulkPermission::onCommitCopy()
{
    // Implements fair use
    bool copyable = gSavedSettings.getBOOL("BulkChangeNextOwnerCopy");
    if(!copyable)
    {
        gSavedSettings.setBOOL("BulkChangeNextOwnerTransfer", true);
    }
    LLCheckBoxCtrl* xfer =getChild<LLCheckBoxCtrl>("next_owner_transfer");
    xfer->setEnabled(copyable);
}

bool LLFloaterBulkPermission::start()
{
    // note: number of top-level objects to modify is mObjectIDs.size().
    getChild<LLScrollListCtrl>("queue output")->setCommentText(getString("start_text"));
    return nextObject();
}

// Go to the next object and start if found. Returns false if no objects left, true otherwise.
bool LLFloaterBulkPermission::nextObject()
{
    size_t count;
    bool successful_start = false;
    do
    {
        count = mObjectIDs.size();
        //LL_INFOS() << "Objects left to process = " << count << LL_ENDL;
        mCurrentObjectID.setNull();
        if(count > 0)
        {
            successful_start = popNext();
            //LL_INFOS() << (successful_start ? "successful" : "unsuccessful") << LL_ENDL;
        }
    } while((mObjectIDs.size() > 0) && !successful_start);

    if(isDone() && !mDone)
    {
        getChild<LLScrollListCtrl>("queue output")->setCommentText(getString("done_text"));
        mDone = true;
    }
    return successful_start;
}

// Pop the top object off of the queue.
// Return true if the queue has started, otherwise false.
bool LLFloaterBulkPermission::popNext()
{
    // get the head element from the container, and attempt to get its inventory.
    bool rv = false;
    auto count = mObjectIDs.size();
    if(mCurrentObjectID.isNull() && (count > 0))
    {
        mCurrentObjectID = mObjectIDs.at(0);
        //LL_INFOS() << "mCurrentID: " << mCurrentObjectID << LL_ENDL;
        mObjectIDs.erase(mObjectIDs.begin());
        LLViewerObject* obj = gObjectList.findObject(mCurrentObjectID);
        if(obj)
        {
            //LL_INFOS() << "requesting inv for " << mCurrentObjectID << LL_ENDL;
            LLUUID* id = new LLUUID(mID);
            registerVOInventoryListener(obj,id);
            requestVOInventory();
            rv = true;
        }
        else
        {
            LL_INFOS()<<"NULL LLViewerObject" <<LL_ENDL;
        }
    }

    return rv;
}


void LLFloaterBulkPermission::doCheckUncheckAll(bool check)
{
    gSavedSettings.setBOOL("BulkChangeIncludeAnimations", check);
    gSavedSettings.setBOOL("BulkChangeIncludeBodyParts" , check);
    gSavedSettings.setBOOL("BulkChangeIncludeClothing"  , check);
    gSavedSettings.setBOOL("BulkChangeIncludeGestures"  , check);
    gSavedSettings.setBOOL("BulkChangeIncludeNotecards" , check);
    gSavedSettings.setBOOL("BulkChangeIncludeObjects"   , check);
    gSavedSettings.setBOOL("BulkChangeIncludeScripts"   , check);
    gSavedSettings.setBOOL("BulkChangeIncludeSounds"    , check);
    gSavedSettings.setBOOL("BulkChangeIncludeTextures"  , check);
    gSavedSettings.setBOOL("BulkChangeIncludeSettings"  , check);
    gSavedSettings.setBOOL("BulkChangeIncludeMaterials"  , check);
}


void LLFloaterBulkPermission::handleInventory(LLViewerObject* viewer_obj, LLInventoryObject::object_list_t* inv)
{
    LLScrollListCtrl* list = getChild<LLScrollListCtrl>("queue output");

    LLInventoryObject::object_list_t::const_iterator it = inv->begin();
    LLInventoryObject::object_list_t::const_iterator end = inv->end();
    for ( ; it != end; ++it)
    {
        LLAssetType::EType asstype = (*it)->getType();
        if(
            ( asstype == LLAssetType::AT_ANIMATION && gSavedSettings.getBOOL("BulkChangeIncludeAnimations")) ||
            ( asstype == LLAssetType::AT_BODYPART  && gSavedSettings.getBOOL("BulkChangeIncludeBodyParts" )) ||
            ( asstype == LLAssetType::AT_CLOTHING  && gSavedSettings.getBOOL("BulkChangeIncludeClothing"  )) ||
            ( asstype == LLAssetType::AT_GESTURE   && gSavedSettings.getBOOL("BulkChangeIncludeGestures"  )) ||
            ( asstype == LLAssetType::AT_NOTECARD  && gSavedSettings.getBOOL("BulkChangeIncludeNotecards" )) ||
            ( asstype == LLAssetType::AT_OBJECT    && gSavedSettings.getBOOL("BulkChangeIncludeObjects"   )) ||
            ( asstype == LLAssetType::AT_LSL_TEXT  && gSavedSettings.getBOOL("BulkChangeIncludeScripts"   )) ||
            ( asstype == LLAssetType::AT_SOUND     && gSavedSettings.getBOOL("BulkChangeIncludeSounds"    )) ||
            ( asstype == LLAssetType::AT_SETTINGS  && gSavedSettings.getBOOL("BulkChangeIncludeSettings"  )) ||
            ( asstype == LLAssetType::AT_MATERIAL  && gSavedSettings.getBOOL("BulkChangeIncludeMaterials")) ||
            ( asstype == LLAssetType::AT_TEXTURE   && gSavedSettings.getBOOL("BulkChangeIncludeTextures"  )))
        {
            LLViewerObject* object = gObjectList.findObject(viewer_obj->getID());

            if (object)
            {
                LLInventoryItem* item = (LLInventoryItem*)((LLInventoryObject*)(*it));
                LLViewerInventoryItem* new_item = (LLViewerInventoryItem*)item;
                LLPermissions perm(new_item->getPermissions());

                // chomp the inventory name so it fits in the scroll window nicely
                // and the user can see the [OK]
                std::string invname;
                invname=item->getName().substr(0,item->getName().size() < 30 ? item->getName().size() : 30 );

                LLUIString status_text = getString("status_text");
                status_text.setArg("[NAME]", invname.c_str());
                // Check whether we appear to have the appropriate permissions to change permission on this item.
                // Although the server will disallow any forbidden changes, it is a good idea to guess correctly
                // so that we can warn the user. The risk of getting this check wrong is therefore the possibility
                // of incorrectly choosing to not attempt to make a valid change.
                //
                // Trouble is this is extremely difficult to do and even when we know the results
                // it is difficult to design the best messaging. Therefore in this initial implementation
                // we'll always try to set the requested permissions and consider all cases successful
                // and perhaps later try to implement a smarter, friendlier solution. -MG
                if(true
                    //gAgent.allowOperation(PERM_MODIFY, perm, GP_OBJECT_MANIPULATE) // for group and everyone masks
                    //|| something else // for next owner perms
                    )
                {
                    U32 mask_next = LLFloaterPerms::getNextOwnerPerms("BulkChange");
                    if (asstype == LLAssetType::AT_SETTINGS)
                    {
                        mask_next |= PERM_COPY;
                    }
                    perm.setMaskNext(mask_next);
                    perm.setMaskEveryone(LLFloaterPerms::getEveryonePerms("BulkChange"));
                    perm.setMaskGroup(LLFloaterPerms::getGroupPerms("BulkChange"));
                    new_item->setPermissions(perm); // here's the beef
                    updateInventory(object,new_item,TASK_INVENTORY_ITEM_KEY,false);
                    //status_text.setArg("[STATUS]", getString("status_ok_text"));
                    status_text.setArg("[STATUS]", "");
                }
                else
                {
                    //status_text.setArg("[STATUS]", getString("status_bad_text"));
                    status_text.setArg("[STATUS]", "");
                }

                list->setCommentText(status_text.getString());

                //TODO if we are an object inside an object we should check a recuse flag and if set
                //open the inventory of the object and recurse - Michelle2 Zenovka

                //  if(recurse &&  ( (*it)->getType() == LLAssetType::AT_OBJECT && processObject))
                //  {
                //      I think we need to get the UUID of the object inside the inventory
                //      call item->fetchFromServer();
                //      we need a call back to say item has arrived *sigh*
                //      we then need to do something like
                //      LLUUID* id = new LLUUID(mID);
                //      registerVOInventoryListener(obj,id);
                //      requestVOInventory();
                //  }
            }
        }
    }

    nextObject();
}


// Avoid inventory callbacks etc by just fire and forgetting the message with the permissions update
// we could do this via LLViewerObject::updateInventory but that uses inventory call backs and buggers
// us up and we would have a dodgy item iterator

void LLFloaterBulkPermission::updateInventory(LLViewerObject* object, LLViewerInventoryItem* item, U8 key, bool is_new)
{
    // This slices the object into what we're concerned about on the viewer.
    // The simulator will take the permissions and transfer ownership.
    LLPointer<LLViewerInventoryItem> task_item =
        new LLViewerInventoryItem(item->getUUID(), mID, item->getPermissions(),
                                  item->getAssetUUID(), item->getType(),
                                  item->getInventoryType(),
                                  item->getName(), item->getDescription(),
                                  item->getSaleInfo(),
                                  item->getFlags(),
                                  item->getCreationDate());
    task_item->setTransactionID(item->getTransactionID());
    LLMessageSystem* msg = gMessageSystem;
    msg->newMessageFast(_PREHASH_UpdateTaskInventory);
    msg->nextBlockFast(_PREHASH_AgentData);
    msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
    msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
    msg->nextBlockFast(_PREHASH_UpdateData);
    msg->addU32Fast(_PREHASH_LocalID, object->mLocalID);
    msg->addU8Fast(_PREHASH_Key, key);
    msg->nextBlockFast(_PREHASH_InventoryData);
    task_item->packMessage(msg);
    msg->sendReliable(object->getRegion()->getHost());
}