/**
 * @file llfloatertopobjects.cpp
 * @brief Shows top colliders, top scripts, etc.
 *
 * $LicenseInfo:firstyear=2005&license=viewerlgpl$
 * 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 "llfloatertopobjects.h"

// library includes
#include "message.h"
#include "llavatarnamecache.h"
#include "llfontgl.h"

#include "llagent.h"
#include "llbutton.h"
#include "llfloatergodtools.h"
#include "llfloaterreg.h"
#include "llnotificationsutil.h"
#include "llparcel.h"
#include "llscrolllistctrl.h"
#include "llscrolllistitem.h"
#include "llscrolllistcell.h"
#include "lllineeditor.h"
#include "lltextbox.h"
#include "lltracker.h"
#include "llviewermessage.h"
#include "llviewerparcelmgr.h"
#include "llviewerregion.h"
#include "lluictrlfactory.h"
#include "llviewerobjectlist.h"
#include "llviewerwindow.h"
#include "llfloaterregioninfo.h"

//LLFloaterTopObjects* LLFloaterTopObjects::sInstance = NULL;

// Globals
// const U32 TIME_STR_LENGTH = 30;
/*
// static
void LLFloaterTopObjects::show()
{
    if (sInstance)
    {
        sInstance->setVisibleAndFrontmost();
        return;
    }

    sInstance = new LLFloaterTopObjects();
    sInstance->center();
}
*/
LLFloaterTopObjects::LLFloaterTopObjects(const LLSD& key)
:   LLFloater(key),
    mInitialized(false),
    mtotalScore(0.f)
{
    mCommitCallbackRegistrar.add("TopObjects.ShowBeacon",       { boost::bind(&LLFloaterTopObjects::onClickShowBeacon, this) });
    mCommitCallbackRegistrar.add("TopObjects.ReturnSelected",   { boost::bind(&LLFloaterTopObjects::onReturnSelected, this), cb_info::UNTRUSTED_BLOCK });
    mCommitCallbackRegistrar.add("TopObjects.ReturnAll",        { boost::bind(&LLFloaterTopObjects::onReturnAll, this), cb_info::UNTRUSTED_BLOCK });
    mCommitCallbackRegistrar.add("TopObjects.Refresh",          { boost::bind(&LLFloaterTopObjects::onRefresh, this), cb_info::UNTRUSTED_THROTTLE });
    mCommitCallbackRegistrar.add("TopObjects.GetByObjectName",  { boost::bind(&LLFloaterTopObjects::onGetByObjectName, this), cb_info::UNTRUSTED_THROTTLE });
    mCommitCallbackRegistrar.add("TopObjects.GetByOwnerName",   { boost::bind(&LLFloaterTopObjects::onGetByOwnerName, this), cb_info::UNTRUSTED_THROTTLE });
    mCommitCallbackRegistrar.add("TopObjects.GetByParcelName",  { boost::bind(&LLFloaterTopObjects::onGetByParcelName, this), cb_info::UNTRUSTED_THROTTLE });
    mCommitCallbackRegistrar.add("TopObjects.CommitObjectsList",{ boost::bind(&LLFloaterTopObjects::onCommitObjectsList, this), cb_info::UNTRUSTED_THROTTLE });

    mCommitCallbackRegistrar.add("TopObjects.TeleportToSelected", { boost::bind(&LLFloaterTopObjects::teleportToSelectedObject, this), cb_info::UNTRUSTED_THROTTLE });
}

LLFloaterTopObjects::~LLFloaterTopObjects()
{
}

// virtual
bool LLFloaterTopObjects::postBuild()
{
    mObjectsScrollList = getChild<LLScrollListCtrl>("objects_list");
    mObjectsScrollList->setFocus(true);
    mObjectsScrollList->setDoubleClickCallback(onDoubleClickObjectsList, this);
    mObjectsScrollList->setCommitOnSelectionChange(true);
    mObjectsScrollList->setCommitCallback(boost::bind(&LLFloaterTopObjects::onSelectionChanged, this));

    setDefaultBtn("show_beacon_btn");

    mCurrentMode = STAT_REPORT_TOP_SCRIPTS;
    mFlags = 0;
    mFilter.clear();

    return true;
}
// static
void LLFloaterTopObjects::setMode(U32 mode)
{
    LLFloaterTopObjects* instance = LLFloaterReg::getTypedInstance<LLFloaterTopObjects>("top_objects");
    if(!instance) return;
    instance->mCurrentMode = mode;
}

// static
void LLFloaterTopObjects::handle_land_reply(LLMessageSystem* msg, void** data)
{
    LLFloaterTopObjects* instance = LLFloaterReg::getTypedInstance<LLFloaterTopObjects>("top_objects");
    if(instance && instance->isInVisibleChain())
    {
        instance->handleReply(msg, data);
        //HACK: for some reason sometimes top scripts originally comes back
        //with no results even though they're there
        if (!instance->mObjectListIDs.size() && !instance->mInitialized)
        {
            instance->onRefresh();
            instance->mInitialized = true;
        }
    }
    else
    {
        LLFloaterRegionInfo* region_info_floater = LLFloaterReg::getTypedInstance<LLFloaterRegionInfo>("region_info");
        if(region_info_floater)
        {
            region_info_floater->enableTopButtons();
        }
    }

}

void LLFloaterTopObjects::handleReply(LLMessageSystem *msg, void** data)
{
    U32 request_flags;
    U32 total_count;
    U64 total_memory = 0;

    msg->getU32Fast(_PREHASH_RequestData, _PREHASH_RequestFlags, request_flags);
    msg->getU32Fast(_PREHASH_RequestData, _PREHASH_TotalObjectCount, total_count);
    msg->getU32Fast(_PREHASH_RequestData, _PREHASH_ReportType, mCurrentMode);

    LLScrollListCtrl *list = getChild<LLScrollListCtrl>("objects_list");

    S32 block_count = msg->getNumberOfBlocks("ReportData");
    for (S32 block = 0; block < block_count; ++block)
    {
        U32 task_local_id;
        U32 time_stamp = 0;
        LLUUID task_id;
        F32 location_x, location_y, location_z;
        F32 score;
        std::string name_buf;
        std::string owner_buf;
        std::string parcel_buf("unknown");
        F32 mono_score = 0.f;
        bool have_extended_data = false;
        S32 public_urls = 0;
        F32 script_memory = 0.f;

        msg->getU32Fast(_PREHASH_ReportData, _PREHASH_TaskLocalID, task_local_id, block);
        msg->getUUIDFast(_PREHASH_ReportData, _PREHASH_TaskID, task_id, block);
        msg->getF32Fast(_PREHASH_ReportData, _PREHASH_LocationX, location_x, block);
        msg->getF32Fast(_PREHASH_ReportData, _PREHASH_LocationY, location_y, block);
        msg->getF32Fast(_PREHASH_ReportData, _PREHASH_LocationZ, location_z, block);
        msg->getF32Fast(_PREHASH_ReportData, _PREHASH_Score, score, block);
        msg->getStringFast(_PREHASH_ReportData, _PREHASH_TaskName, name_buf, block);
        msg->getStringFast(_PREHASH_ReportData, _PREHASH_OwnerName, owner_buf, block);

        if(msg->has("DataExtended"))
        {
            have_extended_data = true;
            msg->getU32("DataExtended", "TimeStamp", time_stamp, block);
            msg->getF32("DataExtended", "MonoScore", mono_score, block);
            msg->getS32("DataExtended", "PublicURLs", public_urls, block);

            std::string parcel_name;
            F32 script_size = 0.f;
            msg->getString("DataExtended", "ParcelName", parcel_name, block);
            msg->getF32("DataExtended", "Size", script_size, block);
            if (parcel_name.size() > 0 || script_size > 0)
            {
                parcel_buf = parcel_name;
                script_memory = script_size;
                total_memory += script_size;
            }
        }

        LLSD element;

        element["id"] = task_id;

        LLSD columns;
        S32 column_num = 0;
        columns[column_num]["column"] = "score";
        columns[column_num]["value"] = llformat("%0.3f", score);
        columns[column_num++]["font"] = "SANSSERIF";

        columns[column_num]["column"] = "name";
        columns[column_num]["value"] = name_buf;
        columns[column_num++]["font"] = "SANSSERIF";

        // Owner names can have trailing spaces sent from server
        LLStringUtil::trim(owner_buf);

        // *TODO: Send owner_id from server and look up display name
        owner_buf = LLCacheName::buildUsername(owner_buf);

        columns[column_num]["column"] = "owner";
        columns[column_num]["value"] = owner_buf;
        columns[column_num++]["font"] = "SANSSERIF";

        columns[column_num]["column"] = "location";
        columns[column_num]["value"] = llformat("<%0.f, %0.f, %0.f>", location_x, location_y, location_z);
        columns[column_num++]["font"] = "SANSSERIF";

        columns[column_num]["column"] = "parcel";
        columns[column_num]["value"] = parcel_buf;
        columns[column_num++]["font"] = "SANSSERIF";

        columns[column_num]["column"] = "time";
        columns[column_num]["type"] = "date";
        columns[column_num]["value"] = LLDate((time_t)time_stamp);
        columns[column_num++]["font"] = "SANSSERIF";

        if (mCurrentMode == STAT_REPORT_TOP_SCRIPTS
            && have_extended_data)
        {
            columns[column_num]["column"] = "memory";
            columns[column_num]["value"] = llformat("%0.0f", (script_memory / 1024.f));
            columns[column_num++]["font"] = "SANSSERIF";

            columns[column_num]["column"] = "URLs";
            columns[column_num]["value"] = llformat("%d", public_urls);
            columns[column_num++]["font"] = "SANSSERIF";
        }
        element["columns"] = columns;
        list->addElement(element);

        mObjectListData.append(element);
        mObjectListIDs.push_back(task_id);

        mtotalScore += score;
    }

    if (total_count == 0 && list->getItemCount() == 0)
    {
        list->setCommentText(getString("none_descriptor"));
    }
    else
    {
        list->selectFirstItem();
    }

    if (mCurrentMode == STAT_REPORT_TOP_SCRIPTS)
    {
        setTitle(getString("top_scripts_title"));
        list->setColumnLabel("score", getString("scripts_score_label"));

        LLUIString format = getString("top_scripts_text");
        total_memory /= 1024;
        format.setArg("[MEMORY]", llformat("%ld", total_memory));
        format.setArg("[COUNT]", llformat("%d", total_count));
        format.setArg("[TIME]", llformat("%0.3f", mtotalScore));
        getChild<LLUICtrl>("title_text")->setValue(LLSD(format));
        list->setColumnLabel("URLs", getString("URLs"));
        list->setColumnLabel("memory", getString("memory"));
    }
    else
    {
        setTitle(getString("top_colliders_title"));
        list->setColumnLabel("score", getString("colliders_score_label"));
        list->setColumnLabel("URLs", "");
        list->setColumnLabel("memory", "");
        LLUIString format = getString("top_colliders_text");
        format.setArg("[COUNT]", llformat("%d", total_count));
        getChild<LLUICtrl>("title_text")->setValue(LLSD(format));
    }

    LLFloaterRegionInfo* region_info_floater = LLFloaterReg::getTypedInstance<LLFloaterRegionInfo>("region_info");
    if(region_info_floater)
    {
        region_info_floater->enableTopButtons();
    }
    getChildView("refresh_btn")->setEnabled(true);
}

void LLFloaterTopObjects::onCommitObjectsList()
{
    updateSelectionInfo();
}

void LLFloaterTopObjects::updateSelectionInfo()
{
    LLScrollListCtrl* list = getChild<LLScrollListCtrl>("objects_list");

    if (!list) return;

    LLUUID object_id = list->getCurrentID();
    if (object_id.isNull()) return;

    std::string object_id_string = object_id.asString();

    getChild<LLUICtrl>("id_editor")->setValue(LLSD(object_id_string));
    LLScrollListItem* sli = list->getFirstSelected();
    llassert(sli);
    if (sli)
    {
        getChild<LLUICtrl>("object_name_editor")->setValue(sli->getColumn(1)->getValue().asString());
        getChild<LLUICtrl>("owner_name_editor")->setValue(sli->getColumn(2)->getValue().asString());
        getChild<LLUICtrl>("parcel_name_editor")->setValue(sli->getColumn(4)->getValue().asString());
    }
}

// static
void LLFloaterTopObjects::onDoubleClickObjectsList(void* data)
{
    LLFloaterTopObjects* self = (LLFloaterTopObjects*)data;
    self->showBeacon();
}

// static
void LLFloaterTopObjects::onClickShowBeacon()
{
    showBeacon();
}

void LLFloaterTopObjects::returnObjects(bool all)
{
    LLMessageSystem *msg = gMessageSystem;

    LLViewerRegion* region = gAgent.getRegion();
    if (!region) return;

    LLCtrlListInterface *list = getChild<LLUICtrl>("objects_list")->getListInterface();
    if (!list || list->getItemCount() == 0) return;

    uuid_vec_t::iterator id_itor;

    bool start_message = true;

    for (id_itor = mObjectListIDs.begin(); id_itor != mObjectListIDs.end(); ++id_itor)
    {
        LLUUID task_id = *id_itor;
        if (!all && !list->isSelected(task_id))
        {
            // Selected only
            continue;
        }
        if (start_message)
        {
            msg->newMessageFast(_PREHASH_ParcelReturnObjects);
            msg->nextBlockFast(_PREHASH_AgentData);
            msg->addUUIDFast(_PREHASH_AgentID,  gAgent.getID());
            msg->addUUIDFast(_PREHASH_SessionID,gAgent.getSessionID());
            msg->nextBlockFast(_PREHASH_ParcelData);
            msg->addS32Fast(_PREHASH_LocalID, -1); // Whole region
            msg->addS32Fast(_PREHASH_ReturnType, RT_NONE);
            start_message = false;
        }

        msg->nextBlockFast(_PREHASH_TaskIDs);
        msg->addUUIDFast(_PREHASH_TaskID, task_id);

        if (msg->isSendFullFast(_PREHASH_TaskIDs))
        {
            msg->sendReliable(region->getHost());
            start_message = true;
        }
    }

    if (!start_message)
    {
        msg->sendReliable(region->getHost());
    }
}

//static
bool LLFloaterTopObjects::callbackReturnAll(const LLSD& notification, const LLSD& response)
{
    S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
    LLFloaterTopObjects* instance = LLFloaterReg::getTypedInstance<LLFloaterTopObjects>("top_objects");
    if(!instance) return false;
    if (option == 0)
    {
        instance->returnObjects(true);
    }
    return false;
}

void LLFloaterTopObjects::onReturnAll()
{
    LLNotificationsUtil::add("ReturnAllTopObjects", LLSD(), LLSD(), &callbackReturnAll);
}


void LLFloaterTopObjects::onReturnSelected()
{
    returnObjects(false);
}


void LLFloaterTopObjects::clearList()
{
    LLCtrlListInterface *list = childGetListInterface("objects_list");

    if (list)
    {
        list->operateOnAll(LLCtrlListInterface::OP_DELETE);
    }

    mObjectListData.clear();
    mObjectListIDs.clear();
    mtotalScore = 0.f;

    onSelectionChanged();
}


void LLFloaterTopObjects::onRefresh()
{
    U32 mode = STAT_REPORT_TOP_SCRIPTS;
    U32 flags = 0;
    std::string filter = "";

    mode   = mCurrentMode;
    flags  = mFlags;
    filter = mFilter;
    clearList();

    LLMessageSystem *msg = gMessageSystem;
    msg->newMessageFast(_PREHASH_LandStatRequest);
    msg->nextBlockFast(_PREHASH_AgentData);
    msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID() );
    msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID() );
    msg->nextBlockFast(_PREHASH_RequestData);
    msg->addU32Fast(_PREHASH_ReportType, mode);
    msg->addU32Fast(_PREHASH_RequestFlags, flags);
    msg->addStringFast(_PREHASH_Filter, filter);
    msg->addS32Fast(_PREHASH_ParcelLocalID, 0);

    LLFloaterRegionInfo* region_info_floater = LLFloaterReg::getTypedInstance<LLFloaterRegionInfo>("region_info");
    if(region_info_floater)
    {
        region_info_floater->disableTopButtons();
    }
    disableRefreshBtn();

    msg->sendReliable(gAgent.getRegionHost());

    mFilter.clear();
    mFlags = 0;
}

void LLFloaterTopObjects::disableRefreshBtn()
{
    getChildView("refresh_btn")->setEnabled(false);
}

void LLFloaterTopObjects::onGetByObjectName()
{
    mFlags  = STAT_FILTER_BY_OBJECT;
    mFilter = getChild<LLUICtrl>("object_name_editor")->getValue().asString();
    onRefresh();
}

void LLFloaterTopObjects::onGetByOwnerName()
{
    mFlags  = STAT_FILTER_BY_OWNER;
    mFilter = getChild<LLUICtrl>("owner_name_editor")->getValue().asString();
    onRefresh();
}


void LLFloaterTopObjects::onGetByParcelName()
{
    mFlags  = STAT_FILTER_BY_PARCEL_NAME;
    mFilter = getChild<LLUICtrl>("parcel_name_editor")->getValue().asString();
    onRefresh();
}


void LLFloaterTopObjects::showBeacon()
{
    LLScrollListCtrl* list = getChild<LLScrollListCtrl>("objects_list");
    if (!list) return;

    LLScrollListItem* first_selected = list->getFirstSelected();
    if (!first_selected) return;

    std::string name = first_selected->getColumn(1)->getValue().asString();
    std::string pos_string =  first_selected->getColumn(3)->getValue().asString();

    F32 x, y, z;
    S32 matched = sscanf(pos_string.c_str(), "<%g,%g,%g>", &x, &y, &z);
    if (matched != 3) return;

    LLVector3 pos_agent(x, y, z);
    LLVector3d pos_global = gAgent.getPosGlobalFromAgent(pos_agent);
    std::string tooltip("");
    LLTracker::trackLocation(pos_global, name, tooltip, LLTracker::LOCATION_ITEM);
}

void LLFloaterTopObjects::teleportToSelectedObject()
{
    std::vector<LLScrollListItem*> selected_items = mObjectsScrollList->getAllSelected();
    if (selected_items.size() == 1)
    {
        LLScrollListItem* first_selected = selected_items.front();

        LLVector3d teleport_location;
        LLViewerObject *viewer_object = gObjectList.findObject(first_selected->getUUID());
        if (viewer_object == NULL)
        {
            // If we cannot find the object in the viewer list, teleport to the last reported position
            std::string pos_string =  first_selected->getColumn(3)->getValue().asString();

            F32 x, y, z;
            S32 matched = sscanf(pos_string.c_str(), "<%g,%g,%g>", &x, &y, &z);
            if (matched != 3) return;

            LLVector3 pos_agent(x, y, z);
            teleport_location = gAgent.getPosGlobalFromAgent(pos_agent);
        }
        else
        {
            // If we can find the object in the viewer list, teleport to the known current position
            teleport_location = viewer_object->getPositionGlobal();
        }
        gAgent.teleportViaLocationLookAt(teleport_location);
    }
}

void LLFloaterTopObjects::onSelectionChanged()
{
    getChildView("teleport_btn")->setEnabled(mObjectsScrollList->getNumSelected() == 1);
}