/** 
 * @file llavatarpropertiesprocessor.cpp
 * @brief LLAvatarPropertiesProcessor class implementation
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * 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 "llavatarpropertiesprocessor.h"

// Viewer includes
#include "llagent.h"
#include "llagentpicksinfo.h"
#include "lldateutil.h"
#include "llviewergenericmessage.h"
#include "llstartup.h"

// Linden library includes
#include "llavataractions.h" // for getProfileUrl
#include "lldate.h"
#include "lltrans.h"
#include "llui.h"				// LLUI::getLanguage()
#include "message.h"

LLAvatarPropertiesProcessor::LLAvatarPropertiesProcessor()
{
}

LLAvatarPropertiesProcessor::~LLAvatarPropertiesProcessor()
{
}

void LLAvatarPropertiesProcessor::addObserver(const LLUUID& avatar_id, LLAvatarPropertiesObserver* observer)
{
	if (!observer)
		return;

	// Check if that observer is already in mObservers for that avatar_id
	using pair = std::pair<LLUUID, LLAvatarPropertiesObserver*>;
	observer_multimap_t::iterator begin = mObservers.begin();
	observer_multimap_t::iterator end = mObservers.end();
	observer_multimap_t::iterator it = std::find_if(begin, end, [&](const pair& p)
		{
			return p.first == avatar_id && p.second == observer;
		});

	// IAN BUG this should update the observer's UUID if this is a dupe - sent to PE
	if (it == end)
	{
		mObservers.emplace(avatar_id, observer);
	}
}

void LLAvatarPropertiesProcessor::removeObserver(const LLUUID& avatar_id, LLAvatarPropertiesObserver* observer)
{
	if (!observer)
	{
		return;
	}

	// Check if that observer is in mObservers for that avatar_id
	using pair = std::pair<LLUUID, LLAvatarPropertiesObserver*>;
	observer_multimap_t::iterator begin = mObservers.begin();
	observer_multimap_t::iterator end = mObservers.end();
	observer_multimap_t::iterator it = std::find_if(begin, end, [&](const pair& p)
		{
			return p.first == avatar_id && p.second == observer;
		});

	if (it != end)
	{
		mObservers.erase(it);
	}
}

void LLAvatarPropertiesProcessor::sendRequest(const LLUUID& avatar_id, EAvatarProcessorType type, const std::string &method)
{
    // this is the startup state when send_complete_agent_movement() message is sent.
    // Before this messages won't work so don't bother trying
    if (LLStartUp::getStartupState() <= STATE_AGENT_SEND)
    {
        return;
    }

    if (avatar_id.isNull())
    {
        return;
    }

	// Suppress duplicate requests while waiting for a response from the network
	if (isPendingRequest(avatar_id, type))
	{
		// waiting for a response, don't re-request
		return;
	}

    // Try to send HTTP request if cap_url is available
    if (type == APT_PROPERTIES)
    {
        std::string cap_url = gAgent.getRegionCapability("AgentProfile");
        if (!cap_url.empty())
        {
            initAgentProfileCapRequest(avatar_id, cap_url, type);
        }
        else
        {
            // Don't sent UDP request for APT_PROPERTIES
            LL_WARNS() << "No cap_url for APT_PROPERTIES, request for " << avatar_id << " is not sent" << LL_ENDL;
        }
        return;
    }

    // Send UDP request
    if (type == APT_PROPERTIES_LEGACY)
    {
        sendAvatarPropertiesRequestMessage(avatar_id);
    }
    else
    {
        sendGenericRequest(avatar_id, type, method);
    }
}

void LLAvatarPropertiesProcessor::sendGenericRequest(const LLUUID& avatar_id, EAvatarProcessorType type, const std::string &method)
{
    // indicate we're going to make a request
    addPendingRequest(avatar_id, type);

    std::vector<std::string> strings{ avatar_id.asString() };
    send_generic_message(method, strings);
}

void LLAvatarPropertiesProcessor::sendAvatarPropertiesRequestMessage(const LLUUID& avatar_id)
{
    addPendingRequest(avatar_id, APT_PROPERTIES_LEGACY);

    LLMessageSystem *msg = gMessageSystem;

    msg->newMessageFast(_PREHASH_AvatarPropertiesRequest);
    msg->nextBlockFast(_PREHASH_AgentData);
    msg->addUUIDFast(_PREHASH_AgentID, gAgentID);
    msg->addUUIDFast(_PREHASH_SessionID, gAgentSessionID);
    msg->addUUIDFast(_PREHASH_AvatarID, avatar_id);
    gAgent.sendReliableMessage();
}

void LLAvatarPropertiesProcessor::initAgentProfileCapRequest(const LLUUID& avatar_id, const std::string& cap_url, EAvatarProcessorType type)
{
    addPendingRequest(avatar_id, type);
    LLCoros::instance().launch("requestAgentUserInfoCoro",
        [cap_url, avatar_id, type]() { requestAvatarPropertiesCoro(cap_url, avatar_id, type); });
}

void LLAvatarPropertiesProcessor::sendAvatarPropertiesRequest(const LLUUID& avatar_id)
{
    sendRequest(avatar_id, APT_PROPERTIES, "AvatarPropertiesRequest");
}

void LLAvatarPropertiesProcessor::sendAvatarLegacyPropertiesRequest(const LLUUID& avatar_id)
{
    sendRequest(avatar_id, APT_PROPERTIES_LEGACY, "AvatarPropertiesRequest");
}

void LLAvatarPropertiesProcessor::sendAvatarTexturesRequest(const LLUUID& avatar_id)
{
	sendGenericRequest(avatar_id, APT_TEXTURES, "avatartexturesrequest");
	// No response expected.
	removePendingRequest(avatar_id, APT_TEXTURES);
}

void LLAvatarPropertiesProcessor::sendAvatarClassifiedsRequest(const LLUUID& avatar_id)
{
	sendGenericRequest(avatar_id, APT_CLASSIFIEDS, "avatarclassifiedsrequest");
}

//static
std::string LLAvatarPropertiesProcessor::accountType(const LLAvatarData* avatar_data)
{
	// If you have a special account, like M Linden ("El Jefe!")
	// return an untranslated "special" string
	if (!avatar_data->caption_text.empty())
	{
		return avatar_data->caption_text;
	}
	const char* const ACCT_TYPE[] = {
		"AcctTypeResident",
		"AcctTypeTrial",
		"AcctTypeCharterMember",
		"AcctTypeEmployee"
	};
	U8 caption_max = (U8)LL_ARRAY_SIZE(ACCT_TYPE)-1;
	U8 caption_index = llclamp(avatar_data->caption_index, (U8)0, caption_max);
	return LLTrans::getString(ACCT_TYPE[caption_index]);
}

//static
std::string LLAvatarPropertiesProcessor::paymentInfo(const LLAvatarData* avatar_data)
{
	// Special accounts like M Linden don't have payment info revealed.
	if (!avatar_data->caption_text.empty())
		return "";

	// Linden employees don't have payment info revealed
	constexpr S32 LINDEN_EMPLOYEE_INDEX = 3;
	if (avatar_data->caption_index == LINDEN_EMPLOYEE_INDEX)
		return "";

	bool transacted = (avatar_data->flags & AVATAR_TRANSACTED);
	bool identified = (avatar_data->flags & AVATAR_IDENTIFIED);
	// Not currently getting set in dataserver/lldataavatar.cpp for privacy considerations
	//BOOL age_verified = (avatar_data->flags & AVATAR_AGEVERIFIED); 

	const char* payment_text;
	if (transacted)
	{
		payment_text = "PaymentInfoUsed";
	}
	else if (identified)
	{
		payment_text = "PaymentInfoOnFile";
	}
	else
	{
		payment_text = "NoPaymentInfoOnFile";
	}
	return LLTrans::getString(payment_text);
}

//static
bool LLAvatarPropertiesProcessor::hasPaymentInfoOnFile(const LLAvatarData* avatar_data)
{
	// Special accounts like M Linden don't have payment info revealed.
	if (!avatar_data->caption_text.empty())
		return true;

	// Linden employees don't have payment info revealed
	constexpr S32 LINDEN_EMPLOYEE_INDEX = 3;
	if (avatar_data->caption_index == LINDEN_EMPLOYEE_INDEX)
		return true;

	return ((avatar_data->flags & AVATAR_TRANSACTED) || (avatar_data->flags & AVATAR_IDENTIFIED));
}

// static
void LLAvatarPropertiesProcessor::requestAvatarPropertiesCoro(std::string cap_url, LLUUID avatar_id, EAvatarProcessorType type)
{
    LLAvatarPropertiesProcessor& inst = instance();

    LLCore::HttpRequest::policy_t httpPolicy(LLCore::HttpRequest::DEFAULT_POLICY_ID);
    LLCoreHttpUtil::HttpCoroutineAdapter::ptr_t
        httpAdapter(new LLCoreHttpUtil::HttpCoroutineAdapter("requestAvatarPropertiesCoro", httpPolicy));
    LLCore::HttpRequest::ptr_t httpRequest(new LLCore::HttpRequest);
    LLCore::HttpHeaders::ptr_t httpHeaders;

    LLCore::HttpOptions::ptr_t httpOpts(new LLCore::HttpOptions);
    httpOpts->setFollowRedirects(true);

    std::string finalUrl = cap_url + "/" + avatar_id.asString();

    LLSD result = httpAdapter->getAndSuspend(httpRequest, finalUrl, httpOpts, httpHeaders);

    // Response is being processed, no longer pending is required
    inst.removePendingRequest(avatar_id, type);

    LLSD httpResults = result[LLCoreHttpUtil::HttpCoroutineAdapter::HTTP_RESULTS];
    LLCore::HttpStatus status = LLCoreHttpUtil::HttpCoroutineAdapter::getStatusFromLLSD(httpResults);

    if (!status
        || !result.has("id")
        || avatar_id != result["id"].asUUID())
    {
        LL_WARNS("AvatarProperties") << "Failed to get agent information for id " << avatar_id
            << (!status ? " (no HTTP status)" : !result.has("id") ? " (no result.id)" :
                std::string(" (result.id=") + result["id"].asUUID().asString() + ")")
            << LL_ENDL;
        return;
    }

    LLAvatarData avatar_data;

    std::string birth_date;

    avatar_data.agent_id = gAgentID;
    avatar_data.avatar_id = avatar_id;
    avatar_data.image_id = result["sl_image_id"].asUUID();
    avatar_data.fl_image_id = result["fl_image_id"].asUUID();
    avatar_data.partner_id = result["partner_id"].asUUID();
    avatar_data.about_text = result["sl_about_text"].asString();
    avatar_data.fl_about_text = result["fl_about_text"].asString();
    avatar_data.born_on = result["member_since"].asDate();
    // TODO: SL-20163 Remove the "has" check when SRV-684 is done
    // and the field "hide_age" is included to the http response
    inst.mIsHideAgeSupportedByServer = result.has("hide_age");
    avatar_data.hide_age = inst.isHideAgeSupportedByServer() && result["hide_age"].asBoolean();
    avatar_data.profile_url = getProfileURL(avatar_id.asString());
    avatar_data.customer_type = result["customer_type"].asString();
    avatar_data.notes = result["notes"].asString();

    avatar_data.flags = 0;
    if (result["online"].asBoolean())
    {
        avatar_data.flags |= AVATAR_ONLINE;
    }
    if (result["allow_publish"].asBoolean())
    {
        avatar_data.flags |= AVATAR_ALLOW_PUBLISH;
    }
    if (result["identified"].asBoolean())
    {
        avatar_data.flags |= AVATAR_IDENTIFIED;
    }
    if (result["transacted"].asBoolean())
    {
        avatar_data.flags |= AVATAR_TRANSACTED;
    }

    avatar_data.caption_index = 0;
    if (result.has("charter_member")) // won't be present if "caption" is set
    {
        avatar_data.caption_index = result["charter_member"].asInteger();
    }
    else if (result.has("caption"))
    {
        avatar_data.caption_text = result["caption"].asString();
    }

    // Groups
    LLSD groups_array = result["groups"];
    for (LLSD::array_const_iterator it = groups_array.beginArray(); it != groups_array.endArray(); ++it)
    {
        const LLSD& group_info = *it;
        LLAvatarData::LLGroupData group_data;
        group_data.group_powers = 0; // Not in use?
        group_data.group_title = group_info["name"].asString(); // Missing data, not in use?
        group_data.group_id = group_info["id"].asUUID();
        group_data.group_name = group_info["name"].asString();
        group_data.group_insignia_id = group_info["image_id"].asUUID();

        avatar_data.group_list.push_back(group_data);
    }

    // Picks
    LLSD picks_array = result["picks"];
    for (LLSD::array_const_iterator it = picks_array.beginArray(); it != picks_array.endArray(); ++it)
    {
        const LLSD& pick_data = *it;
        avatar_data.picks_list.emplace_back(pick_data["id"].asUUID(), pick_data["name"].asString());
    }

    inst.notifyObservers(avatar_id, &avatar_data, type);
}

void LLAvatarPropertiesProcessor::processAvatarLegacyPropertiesReply(LLMessageSystem* msg, void**)
{
    LLAvatarLegacyData avatar_data;
	std::string birth_date;

	msg->getUUIDFast(	_PREHASH_AgentData,			_PREHASH_AgentID, 		avatar_data.agent_id);
	msg->getUUIDFast(	_PREHASH_AgentData,			_PREHASH_AvatarID, 		avatar_data.avatar_id);
	msg->getUUIDFast(  	_PREHASH_PropertiesData,	_PREHASH_ImageID,		avatar_data.image_id);
	msg->getUUIDFast(  	_PREHASH_PropertiesData,	_PREHASH_FLImageID,		avatar_data.fl_image_id);
	msg->getUUIDFast(	_PREHASH_PropertiesData,	_PREHASH_PartnerID,		avatar_data.partner_id);
	msg->getStringFast(	_PREHASH_PropertiesData,	_PREHASH_AboutText,		avatar_data.about_text);
	msg->getStringFast(	_PREHASH_PropertiesData,	_PREHASH_FLAboutText,	avatar_data.fl_about_text);
	msg->getStringFast(	_PREHASH_PropertiesData,	_PREHASH_BornOn,		birth_date);
	msg->getString(		_PREHASH_PropertiesData,	_PREHASH_ProfileURL,	avatar_data.profile_url);
	msg->getU32Fast(	_PREHASH_PropertiesData,	_PREHASH_Flags,			avatar_data.flags);

	LLDateUtil::dateFromPDTString(avatar_data.born_on, birth_date);
	avatar_data.caption_index = 0;

	S32 charter_member_size = 0;
	charter_member_size = msg->getSize(_PREHASH_PropertiesData, _PREHASH_CharterMember);
	if (1 == charter_member_size)
	{
		msg->getBinaryData(_PREHASH_PropertiesData, _PREHASH_CharterMember, &avatar_data.caption_index, 1);
	}
	else if (1 < charter_member_size)
	{
		msg->getString(_PREHASH_PropertiesData, _PREHASH_CharterMember, avatar_data.caption_text);
	}
	LLAvatarPropertiesProcessor* self = getInstance();
	// Request processed, no longer pending
	self->removePendingRequest(avatar_data.avatar_id, APT_PROPERTIES_LEGACY);
	self->notifyObservers(avatar_data.avatar_id, &avatar_data, APT_PROPERTIES_LEGACY);
}

void LLAvatarPropertiesProcessor::processAvatarClassifiedsReply(LLMessageSystem* msg, void**)
{
	LLAvatarClassifieds classifieds;

	msg->getUUID(_PREHASH_AgentData, _PREHASH_AgentID, classifieds.agent_id);
	msg->getUUID(_PREHASH_AgentData, _PREHASH_TargetID, classifieds.target_id);

	S32 block_count = msg->getNumberOfBlocks(_PREHASH_Data);

	for(int n = 0; n < block_count; ++n)
	{
		LLAvatarClassifieds::classified_data data;

		msg->getUUID(_PREHASH_Data, _PREHASH_ClassifiedID, data.classified_id, n);
		msg->getString(_PREHASH_Data, _PREHASH_Name, data.name, n);

		classifieds.classifieds_list.emplace_back(data);
	}

	LLAvatarPropertiesProcessor* self = getInstance();
	// Request processed, no longer pending
	self->removePendingRequest(classifieds.target_id, APT_CLASSIFIEDS);
	self->notifyObservers(classifieds.target_id,&classifieds,APT_CLASSIFIEDS);
}

void LLAvatarPropertiesProcessor::processClassifiedInfoReply(LLMessageSystem* msg, void**)
{
	LLAvatarClassifiedInfo c_info;

	msg->getUUID(_PREHASH_AgentData, _PREHASH_AgentID, c_info.agent_id);

	msg->getUUID(_PREHASH_Data, _PREHASH_ClassifiedID, c_info.classified_id);
	msg->getUUID(_PREHASH_Data, _PREHASH_CreatorID, c_info.creator_id);
	msg->getU32(_PREHASH_Data, _PREHASH_CreationDate, c_info.creation_date);
	msg->getU32(_PREHASH_Data, _PREHASH_ExpirationDate, c_info.expiration_date);
	msg->getU32(_PREHASH_Data, _PREHASH_Category, c_info.category);
	msg->getString(_PREHASH_Data, _PREHASH_Name, c_info.name);
	msg->getString(_PREHASH_Data, _PREHASH_Desc, c_info.description);
	msg->getUUID(_PREHASH_Data, _PREHASH_ParcelID, c_info.parcel_id);
	msg->getU32(_PREHASH_Data, _PREHASH_ParentEstate, c_info.parent_estate);
	msg->getUUID(_PREHASH_Data, _PREHASH_SnapshotID, c_info.snapshot_id);
	msg->getString(_PREHASH_Data, _PREHASH_SimName, c_info.sim_name);
	msg->getVector3d(_PREHASH_Data, _PREHASH_PosGlobal, c_info.pos_global);
	msg->getString(_PREHASH_Data, _PREHASH_ParcelName, c_info.parcel_name);
	msg->getU8(_PREHASH_Data, _PREHASH_ClassifiedFlags, c_info.flags);
	msg->getS32(_PREHASH_Data, _PREHASH_PriceForListing, c_info.price_for_listing);

	LLAvatarPropertiesProcessor* self = getInstance();
	// Request processed, no longer pending
	self->removePendingRequest(c_info.creator_id, APT_CLASSIFIED_INFO);
	self->notifyObservers(c_info.creator_id, &c_info, APT_CLASSIFIED_INFO);
}

void LLAvatarPropertiesProcessor::processPickInfoReply(LLMessageSystem* msg, void**)
{
	LLPickData pick_data;

	// Extract the agent id and verify the message is for this
	// client.
	msg->getUUID(_PREHASH_AgentData, _PREHASH_AgentID, pick_data.agent_id );
	msg->getUUID(_PREHASH_Data, _PREHASH_PickID, pick_data.pick_id);
	msg->getUUID(_PREHASH_Data, _PREHASH_CreatorID, pick_data.creator_id);

	// ** top_pick should be deleted, not being used anymore - angela
	msg->getBOOL(_PREHASH_Data, _PREHASH_TopPick, pick_data.top_pick);
	msg->getUUID(_PREHASH_Data, _PREHASH_ParcelID, pick_data.parcel_id);
	msg->getString(_PREHASH_Data, _PREHASH_Name, pick_data.name);
	msg->getString(_PREHASH_Data, _PREHASH_Desc, pick_data.desc);
	msg->getUUID(_PREHASH_Data, _PREHASH_SnapshotID, pick_data.snapshot_id);

	msg->getString(_PREHASH_Data, _PREHASH_User, pick_data.user_name);
	msg->getString(_PREHASH_Data, _PREHASH_OriginalName, pick_data.original_name);
	msg->getString(_PREHASH_Data, _PREHASH_SimName, pick_data.sim_name);
	msg->getVector3d(_PREHASH_Data, _PREHASH_PosGlobal, pick_data.pos_global);

	msg->getS32(_PREHASH_Data, _PREHASH_SortOrder, pick_data.sort_order);
	msg->getBOOL(_PREHASH_Data, _PREHASH_Enabled, pick_data.enabled);

	LLAvatarPropertiesProcessor* self = getInstance();
	// don't need to remove pending request as we don't track pick info
	self->notifyObservers(pick_data.creator_id, &pick_data, APT_PICK_INFO);
}

void LLAvatarPropertiesProcessor::notifyObservers(const LLUUID& id, void* data, EAvatarProcessorType type)
{
	// Copy the map (because observers may delete themselves when updated?)
	LLAvatarPropertiesProcessor::observer_multimap_t observers = mObservers;

	for (const auto& [agent_id, observer] : observers)
	{
		// only notify observers for the same agent, or if the observer
		// didn't know the agent ID and passed a NULL id.
		if (agent_id == id || agent_id.isNull())
		{
			observer->processProperties(data, type);
		}
	}
}

void LLAvatarPropertiesProcessor::sendFriendRights(const LLUUID& avatar_id, S32 rights)
{
	if(!avatar_id.isNull())
	{
		LLMessageSystem* msg = gMessageSystem;

		// setup message header
		msg->newMessageFast(_PREHASH_GrantUserRights);
		msg->nextBlockFast(_PREHASH_AgentData);
		msg->addUUID(_PREHASH_AgentID, gAgentID);
		msg->addUUID(_PREHASH_SessionID, gAgentSessionID);

		msg->nextBlockFast(_PREHASH_Rights);
		msg->addUUID(_PREHASH_AgentRelated, avatar_id);
		msg->addS32(_PREHASH_RelatedRights, rights);

		gAgent.sendReliableMessage();
	}
}

void LLAvatarPropertiesProcessor::sendPickDelete( const LLUUID& pick_id )
{
	LLMessageSystem* msg = gMessageSystem; 
	msg->newMessage(_PREHASH_PickDelete);
	msg->nextBlock(_PREHASH_AgentData);
	msg->addUUID(_PREHASH_AgentID, gAgentID);
	msg->addUUID(_PREHASH_SessionID, gAgentSessionID);
	msg->nextBlock(_PREHASH_Data);
	msg->addUUID(_PREHASH_PickID, pick_id);
	gAgent.sendReliableMessage();

	LLAgentPicksInfo::getInstance()->requestNumberOfPicks();
	LLAgentPicksInfo::getInstance()->decrementNumberOfPicks();
}

void LLAvatarPropertiesProcessor::sendClassifiedDelete(const LLUUID& classified_id)
{
	LLMessageSystem* msg = gMessageSystem; 

	msg->newMessage(_PREHASH_ClassifiedDelete);

	msg->nextBlock(_PREHASH_AgentData);
	msg->addUUID(_PREHASH_AgentID, gAgentID);
	msg->addUUID(_PREHASH_SessionID, gAgentSessionID);

	msg->nextBlock(_PREHASH_Data);
	msg->addUUID(_PREHASH_ClassifiedID, classified_id);

	gAgent.sendReliableMessage();
}

void LLAvatarPropertiesProcessor::sendPickInfoUpdate(const LLPickData* new_pick)
{
	if (!new_pick)
		return;

	LLMessageSystem* msg = gMessageSystem;

	msg->newMessage(_PREHASH_PickInfoUpdate);
	msg->nextBlock(_PREHASH_AgentData);
	msg->addUUID(_PREHASH_AgentID, gAgentID);
	msg->addUUID(_PREHASH_SessionID, gAgentSessionID);

	msg->nextBlock(_PREHASH_Data);
	msg->addUUID(_PREHASH_PickID, new_pick->pick_id);
	msg->addUUID(_PREHASH_CreatorID, new_pick->creator_id);

	//legacy var need to be deleted
	msg->addBOOL(_PREHASH_TopPick, FALSE);	

	// fills in on simulator if null
	msg->addUUID(_PREHASH_ParcelID, new_pick->parcel_id);
	msg->addString(_PREHASH_Name, new_pick->name);
	msg->addString(_PREHASH_Desc, new_pick->desc);
	msg->addUUID(_PREHASH_SnapshotID, new_pick->snapshot_id);
	msg->addVector3d(_PREHASH_PosGlobal, new_pick->pos_global);

	// Only top picks have a sort order
	msg->addS32(_PREHASH_SortOrder, 0);

	msg->addBOOL(_PREHASH_Enabled, new_pick->enabled);
	gAgent.sendReliableMessage();

	LLAgentPicksInfo::getInstance()->requestNumberOfPicks();
}

void LLAvatarPropertiesProcessor::sendClassifiedInfoUpdate(const LLAvatarClassifiedInfo* c_data)
{
	if(!c_data)
	{
		return;
	}

	LLMessageSystem* msg = gMessageSystem;

	msg->newMessage(_PREHASH_ClassifiedInfoUpdate);

	msg->nextBlock(_PREHASH_AgentData);
	msg->addUUID(_PREHASH_AgentID, gAgentID);
	msg->addUUID(_PREHASH_SessionID, gAgentSessionID);

	msg->nextBlock(_PREHASH_Data);
	msg->addUUID(_PREHASH_ClassifiedID, c_data->classified_id);
	msg->addU32(_PREHASH_Category, c_data->category);
	msg->addString(_PREHASH_Name, c_data->name);
	msg->addString(_PREHASH_Desc, c_data->description);
	msg->addUUID(_PREHASH_ParcelID, c_data->parcel_id);
	msg->addU32(_PREHASH_ParentEstate, 0);
	msg->addUUID(_PREHASH_SnapshotID, c_data->snapshot_id);
	msg->addVector3d(_PREHASH_PosGlobal, c_data->pos_global);
	msg->addU8(_PREHASH_ClassifiedFlags, c_data->flags);
	msg->addS32(_PREHASH_PriceForListing, c_data->price_for_listing);

	gAgent.sendReliableMessage();
}

void LLAvatarPropertiesProcessor::sendPickInfoRequest(const LLUUID& creator_id, const LLUUID& pick_id)
{
	// Must ask for a pick based on the creator id because
	// the pick database is distributed to the inventory cluster. JC
	std::vector<std::string> request_params{ creator_id.asString(), pick_id.asString() };
	send_generic_message("pickinforequest", request_params);
}

void LLAvatarPropertiesProcessor::sendClassifiedInfoRequest(const LLUUID& classified_id)
{
	LLMessageSystem* msg = gMessageSystem;

	msg->newMessage(_PREHASH_ClassifiedInfoRequest);
	msg->nextBlock(_PREHASH_AgentData);
	
	msg->addUUID(_PREHASH_AgentID, gAgentID);
	msg->addUUID(_PREHASH_SessionID, gAgentSessionID);

	msg->nextBlock(_PREHASH_Data);
	msg->addUUID(_PREHASH_ClassifiedID, classified_id);

	gAgent.sendReliableMessage();
}

bool LLAvatarPropertiesProcessor::isPendingRequest(const LLUUID& avatar_id, EAvatarProcessorType type)
{
	timestamp_map_t::key_type key = std::make_pair(avatar_id, type);
	timestamp_map_t::iterator it = mRequestTimestamps.find(key);

	// Is this a new request?
	if (it == mRequestTimestamps.end()) return false;

	// We found a request, check if it has timed out
	U32 now = time(nullptr);
	const U32 REQUEST_EXPIRE_SECS = 5;
	U32 expires = it->second + REQUEST_EXPIRE_SECS;

	// Request is still pending if it hasn't expired yet
	// *NOTE: Expired requests will accumulate in this map, but they are rare,
	// the data is small, and they will be updated if the same data is
	// re-requested
	return (now < expires);
}

void LLAvatarPropertiesProcessor::addPendingRequest(const LLUUID& avatar_id, EAvatarProcessorType type)
{
	timestamp_map_t::key_type key = std::make_pair(avatar_id, type);
	U32 now = time(nullptr);
	// Add or update existing (expired) request
	mRequestTimestamps[ key ] = now;
}

void LLAvatarPropertiesProcessor::removePendingRequest(const LLUUID& avatar_id, EAvatarProcessorType type)
{
	timestamp_map_t::key_type key = std::make_pair(avatar_id, type);
	mRequestTimestamps.erase(key);
}