/*
 * Copyright (C) 2016+     AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: http://github.com/azerothcore/azerothcore-wotlk/LICENSE-GPL2
 * This program is free software you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation either version 2 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 General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "ObjectDefines.h"
#include "Containers.h"
#include "DBCStructure.h"
#include "DBCStores.h"
#include "Group.h"
#include "LFGQueue.h"
#include "LFGMgr.h"
#include "Log.h"
#include "ObjectMgr.h"
#include "World.h"
#include "GroupMgr.h"

namespace lfg
{

void LFGQueue::AddToQueue(uint64 guid, bool failedProposal)
{
    //sLog->outString("ADD AddToQueue: %u, failed proposal: %u", GUID_LOPART(guid), failedProposal ? 1 : 0);
    LfgQueueDataContainer::iterator itQueue = QueueDataStore.find(guid);
    if (itQueue == QueueDataStore.end())
    {
        sLog->outError("LFGQueue::AddToQueue: Queue data not found for [" UI64FMTD "]", guid);
        return;
    }
    //sLog->outString("AddToQueue success: %u", GUID_LOPART(guid));
    AddToNewQueue(guid, failedProposal);
}

void LFGQueue::RemoveFromQueue(uint64 guid, bool partial)
{
    //sLog->outString("REMOVE RemoveFromQueue: %u, partial: %u", GUID_LOPART(guid), partial ? 1 : 0);
    RemoveFromNewQueue(guid);
    RemoveFromCompatibles(guid);

    LfgQueueDataContainer::iterator itDelete = QueueDataStore.end();
    for (LfgQueueDataContainer::iterator itr = QueueDataStore.begin(); itr != QueueDataStore.end(); ++itr)
    {
        if (itr->first != guid)
        {
            if (itr->second.bestCompatible.hasGuid(guid))
            {
                //sLog->outString("CLEAR bestCompatible: %s, because of guid: %u", itr->second.bestCompatible.toString().c_str(), GUID_LOPART(guid));
                itr->second.bestCompatible.clear();
            }
        }
        else
        {
            //sLog->outString("CLEAR bestCompatible SELF: %s, because of guid: %u", itr->second.bestCompatible.toString().c_str(), GUID_LOPART(guid));
            //itr->second.bestCompatible.clear(); // don't clear here, because UpdateQueueTimers will try to find with every diff update
            itDelete = itr;
        }
    }

    // xinef: partial
    if (!partial && itDelete != QueueDataStore.end())
    {
        //sLog->outString("ERASE QueueDataStore for: %u", GUID_LOPART(guid));
        //sLog->outString("ERASE QueueDataStore for: %u, itDelete: %u,%u,%u", GUID_LOPART(guid), itDelete->second.dps, itDelete->second.healers, itDelete->second.tanks);
        QueueDataStore.erase(itDelete);
        //sLog->outString("ERASE QueueDataStore for: %u SUCCESS", GUID_LOPART(guid));
    }
}

void LFGQueue::AddToNewQueue(uint64 guid, bool front)
{
    if (front)
    {
        //sLog->outString("ADD AddToNewQueue at FRONT: %u", GUID_LOPART(guid));
        restoredAfterProposal.push_back(guid);
        newToQueueStore.push_front(guid);
    }
    else
    {
        //sLog->outString("ADD AddToNewQueue at the END: %u", GUID_LOPART(guid));
        newToQueueStore.push_back(guid);
    }
}

void LFGQueue::RemoveFromNewQueue(uint64 guid)
{
    //sLog->outString("REMOVE RemoveFromNewQueue: %u", GUID_LOPART(guid));
    newToQueueStore.remove(guid);
    restoredAfterProposal.remove(guid);
}

void LFGQueue::AddQueueData(uint64 guid, time_t joinTime, LfgDungeonSet const& dungeons, LfgRolesMap const& rolesMap)
{
    //sLog->outString("JOINED AddQueueData: %u", GUID_LOPART(guid));
    QueueDataStore[guid] = LfgQueueData(joinTime, dungeons, rolesMap);
    AddToQueue(guid);
}

void LFGQueue::RemoveQueueData(uint64 guid)
{
    //sLog->outString("LEFT RemoveQueueData: %u", GUID_LOPART(guid));
    LfgQueueDataContainer::iterator it = QueueDataStore.find(guid);
    if (it != QueueDataStore.end())
        QueueDataStore.erase(it);
}

void LFGQueue::UpdateWaitTimeAvg(int32 waitTime, uint32 dungeonId)
{
    LfgWaitTime &wt = waitTimesAvgStore[dungeonId];
    uint32 old_number = wt.number++;
    wt.time = int32((wt.time * old_number + waitTime) / wt.number);
}

void LFGQueue::UpdateWaitTimeTank(int32 waitTime, uint32 dungeonId)
{
    LfgWaitTime &wt = waitTimesTankStore[dungeonId];
    uint32 old_number = wt.number++;
    wt.time = int32((wt.time * old_number + waitTime) / wt.number);
}

void LFGQueue::UpdateWaitTimeHealer(int32 waitTime, uint32 dungeonId)
{
    LfgWaitTime &wt = waitTimesHealerStore[dungeonId];
    uint32 old_number = wt.number++;
    wt.time = int32((wt.time * old_number + waitTime) / wt.number);
}

void LFGQueue::UpdateWaitTimeDps(int32 waitTime, uint32 dungeonId)
{
    LfgWaitTime &wt = waitTimesDpsStore[dungeonId];
    uint32 old_number = wt.number++;
    wt.time = int32((wt.time * old_number + waitTime) / wt.number);
}

void LFGQueue::RemoveFromCompatibles(uint64 guid)
{
    //sLog->outString("COMPATIBLES REMOVE for: %u", GUID_LOPART(guid));
    for (LfgCompatibleContainer::iterator it = CompatibleList.begin(); it != CompatibleList.end(); ++it)
        if (it->hasGuid(guid))
        {
            //sLog->outString("Removed Compatible: %s, because of guid: %u", it->toString().c_str(), GUID_LOPART(guid));
            it->clear(); // set to 0, this will be removed while iterating in FindNewGroups
        }
    for (LfgCompatibleContainer::iterator itr = CompatibleTempList.begin(); itr != CompatibleTempList.end(); )
    {
        LfgCompatibleContainer::iterator it = itr++;
        if (it->hasGuid(guid))
        {
            //sLog->outString("Erased Temp Compatible: %s, because of guid: %u", it->toString().c_str(), GUID_LOPART(guid));
            CompatibleTempList.erase(it);
        }
    }
}

void LFGQueue::AddToCompatibles(Lfg5Guids const& key)
{
    //sLog->outString("COMPATIBLES ADD: %s", key.toString().c_str());
    CompatibleTempList.push_back(key);
}

uint8 LFGQueue::FindGroups()
{
    //sLog->outString("FIND GROUPS!");
    uint8 newGroupsProcessed = 0;
    while (!newToQueueStore.empty())
    {
        ++newGroupsProcessed;
        uint64 newGuid = newToQueueStore.front();
        bool pushCompatiblesToFront = (std::find(restoredAfterProposal.begin(), restoredAfterProposal.end(), newGuid) != restoredAfterProposal.end());
        //sLog->outString("newToQueueStore guid: %u, front: %u", GUID_LOPART(newGuid), pushCompatiblesToFront ? 1 : 0);
        RemoveFromNewQueue(newGuid);

        FindNewGroups(newGuid);

        CompatibleList.splice((pushCompatiblesToFront ? CompatibleList.begin() : CompatibleList.end()), CompatibleTempList);
        CompatibleTempList.clear();

        return newGroupsProcessed; // pussywizard: only one per update, shouldn't be a problem
    }
    return newGroupsProcessed;
}

LfgCompatibility LFGQueue::FindNewGroups(const uint64& newGuid)
{
    // each combination of dps+heal+tank (tank*8 + heal+4 + dps) has a value assigned 0..15
    // first 16 bits of the mask are for marking if such combination was found once, second 16 bits for marking second occurence of that combination, etc
    uint64 foundMask = 0;
    uint32 foundCount = 0;

    //sLog->outString("FIND NEW GROUPS for: %u", GUID_LOPART(newGuid));

    // we have to take into account that FindNewGroups is called every X minutes if number of compatibles is low!
    // build set of already present compatibles for this guid
    std::set<Lfg5Guids> currentCompatibles;
    for (Lfg5GuidsList::iterator it = CompatibleList.begin(); it != CompatibleList.end(); ++it)
        if (it->hasGuid(newGuid))
        {
            // unset roles here so they are not copied, restore after insertion
            LfgRolesMap* r = it->roles; 
            it->roles = NULL;
            currentCompatibles.insert(*it);
            it->roles = r;
        }

    LfgCompatibility selfCompatibility = LFG_COMPATIBILITY_PENDING;
    if (currentCompatibles.empty())
    {
        selfCompatibility = CheckCompatibility(Lfg5Guids(), newGuid, foundMask, foundCount, currentCompatibles);
        if (selfCompatibility != LFG_COMPATIBLES_WITH_LESS_PLAYERS) // group is already compatible (a party of 5 players)
            return selfCompatibility;
    }

    for (Lfg5GuidsList::iterator it = CompatibleList.begin(); it != CompatibleList.end(); )
    {
        Lfg5GuidsList::iterator itr = it++;
        if (itr->empty())
        {
            //sLog->outString("ERASE from CompatibleList");
            CompatibleList.erase(itr);
            continue;
        }
        LfgCompatibility compatibility = CheckCompatibility(*itr, newGuid, foundMask, foundCount, currentCompatibles);
        if (compatibility == LFG_COMPATIBLES_MATCH)
            return LFG_COMPATIBLES_MATCH;
        if ((foundMask & 0x3FFF3FFF3FFF3FFF) == 0x3FFF3FFF3FFF3FFF) // each combination of dps+heal+tank already found 4 times
            break;
    }

    return selfCompatibility;
}

LfgCompatibility LFGQueue::CheckCompatibility(Lfg5Guids const& checkWith, const uint64& newGuid, uint64& foundMask, uint32& foundCount, const std::set<Lfg5Guids>& currentCompatibles)
{
    //sLog->outString("CHECK CheckCompatibility: %s, new guid: %u", checkWith.toString().c_str(), GUID_LOPART(newGuid));
    Lfg5Guids check(checkWith, false); // here newGuid is at front
    Lfg5Guids strGuids(checkWith, false); // here guids are sorted
    check.force_insert_front(newGuid);
    strGuids.insert(newGuid);

    if (!currentCompatibles.empty() && currentCompatibles.find(strGuids) != currentCompatibles.end())
        return LFG_INCOMPATIBLES_TOO_MUCH_PLAYERS;

    LfgProposal proposal;
    LfgDungeonSet proposalDungeons;
    LfgGroupsMap proposalGroups;
    LfgRolesMap proposalRoles;

    // Check if more than one LFG group and number of players joining
    uint8 numPlayers = 0;
    uint8 numLfgGroups = 0;
    uint64 guid;
    uint64 addToFoundMask = 0;

    for (uint8 i=0; i<5 && (guid=check.guid[i]) != 0 && numLfgGroups < 2 && numPlayers <= MAXGROUPSIZE; ++i)
    {
        LfgQueueDataContainer::iterator itQueue = QueueDataStore.find(guid);
        if (itQueue == QueueDataStore.end())
        {
            sLog->outError("LFGQueue::CheckCompatibility: [" UI64FMTD "] is not queued but listed as queued!", guid);
            RemoveFromQueue(guid);
            return LFG_COMPATIBILITY_PENDING;
        }

        // Store group so we don't need to call Mgr to get it later (if it's player group will be 0 otherwise would have joined as group)
        for (LfgRolesMap::const_iterator it2 = itQueue->second.roles.begin(); it2 != itQueue->second.roles.end(); ++it2)
            proposalGroups[it2->first] = IS_GROUP_GUID(itQueue->first) ? itQueue->first : 0;

        numPlayers += itQueue->second.roles.size();

        if (sLFGMgr->IsLfgGroup(guid))
        {
            if (!numLfgGroups)
                proposal.group = guid;
            ++numLfgGroups;
        }
    }

    if (numLfgGroups > 1)
        return LFG_INCOMPATIBLES_MULTIPLE_LFG_GROUPS;

    // Group with less that MAXGROUPSIZE members always compatible
    if (check.size() == 1 && numPlayers < MAXGROUPSIZE)
    {
        LfgQueueDataContainer::iterator itQueue = QueueDataStore.find(check.front());
        LfgRolesMap roles = itQueue->second.roles;
        uint8 roleCheckResult = LFGMgr::CheckGroupRoles(roles);
        strGuids.addRoles(roles);
        itQueue->second.bestCompatible.clear(); // this may be left after a failed proposal (not cleared, because UpdateQueueTimers would try to generate it with every update)
        //UpdateBestCompatibleInQueue(itQueue, strGuids);
        AddToCompatibles(strGuids);
        if (roleCheckResult && roleCheckResult <= 15)
            foundMask |= ( (((uint64)1)<<(roleCheckResult-1)) | (((uint64)1)<<(16+roleCheckResult-1)) | (((uint64)1)<<(32+roleCheckResult-1)) | (((uint64)1)<<(48+roleCheckResult-1)) );
        return LFG_COMPATIBLES_WITH_LESS_PLAYERS;
    }

    if (numPlayers > MAXGROUPSIZE)
        return LFG_INCOMPATIBLES_TOO_MUCH_PLAYERS;

    // If it's single group no need to check for duplicate players, ignores, bad roles or bad dungeons as it's been checked before joining
    if (check.size() > 1)
    {
        for (uint8 i=0; i<5 && check.guid[i]; ++i)
        {
            const LfgRolesMap &roles = QueueDataStore[check.guid[i]].roles;
            for (LfgRolesMap::const_iterator itRoles = roles.begin(); itRoles != roles.end(); ++itRoles)
            {
                LfgRolesMap::const_iterator itPlayer;
                for (itPlayer = proposalRoles.begin(); itPlayer != proposalRoles.end(); ++itPlayer)
                {
                    if (itRoles->first == itPlayer->first)
                    {
                        // pussywizard: LFG ZOMG! this means that this player was in two different LfgQueueData (in QueueDataStore), and at least one of them is a group guid, because we do checks so there aren't 2 same guids in current CHECK
                        //sLog->outError("LFGQueue::CheckCompatibility: ERROR! Player multiple times in queue! [" UI64FMTD "]", itRoles->first);
                        break;
                    }
                    else if (sLFGMgr->HasIgnore(itRoles->first, itPlayer->first))
                        break;
                }
                if (itPlayer == proposalRoles.end())
                    proposalRoles[itRoles->first] = itRoles->second;
                else
                    break;
            }
        }

        if (numPlayers != proposalRoles.size())
            return LFG_INCOMPATIBLES_HAS_IGNORES;

        uint8 roleCheckResult = LFGMgr::CheckGroupRoles(proposalRoles);
        if (!roleCheckResult || roleCheckResult > 0xF)
            return LFG_INCOMPATIBLES_NO_ROLES;

        // now, every combination can occur only 4 times (explained in FindNewGroups)
        if (foundMask & (((uint64)1)<<(roleCheckResult-1)))
        {
            if (foundMask & (((uint64)1)<<(16+roleCheckResult-1)))
            {
                if (foundMask & (((uint64)1)<<(32+roleCheckResult-1)))
                {
                    if (foundMask & (((uint64)1)<<(48+roleCheckResult-1)))
                    {
                        if (foundCount >= 10) // but only after finding at least 10 compatibles (this helps when there are few groups)
                            return LFG_INCOMPATIBLES_NO_ROLES;
                    }
                    else
                        addToFoundMask |= (((uint64)1)<<(48+roleCheckResult-1));
                }
                else
                    addToFoundMask |= (((uint64)1)<<(32+roleCheckResult-1));
            }
            else
                addToFoundMask |= (((uint64)1)<<(16+roleCheckResult-1));
        }
        else
            addToFoundMask |= (((uint64)1)<<(roleCheckResult-1));

        proposalDungeons = QueueDataStore[check.front()].dungeons;
        for (uint8 i=1; i<5 && check.guid[i]; ++i)
        {
            LfgDungeonSet temporal;
            LfgDungeonSet &dungeons = QueueDataStore[check.guid[i]].dungeons;
            std::set_intersection(proposalDungeons.begin(), proposalDungeons.end(), dungeons.begin(), dungeons.end(), std::inserter(temporal, temporal.begin()));
            proposalDungeons = temporal;
        }

        if (proposalDungeons.empty())
            return LFG_INCOMPATIBLES_NO_DUNGEONS;
    }
    else
    {
        uint64 gguid = check.front();
        const LfgQueueData &queue = QueueDataStore[gguid];
        proposalDungeons = queue.dungeons;
        proposalRoles = queue.roles;
        LFGMgr::CheckGroupRoles(proposalRoles);          // assing new roles
    }

    // Enough players?
    if (numPlayers != MAXGROUPSIZE)
    {
        strGuids.addRoles(proposalRoles);
        for (uint8 i=0; i<5 && check.guid[i]; ++i)
        {
            LfgQueueDataContainer::iterator itr = QueueDataStore.find(check.guid[i]);
            if (!itr->second.bestCompatible.empty()) // update if groups don't have it empty (for empty it will be generated in UpdateQueueTimers)
                UpdateBestCompatibleInQueue(itr, strGuids);
        }
        AddToCompatibles(strGuids);
        foundMask |= addToFoundMask;
        ++foundCount;
        return LFG_COMPATIBLES_WITH_LESS_PLAYERS;
    }

    uint64 gguid = check.front();
    proposal.queues = strGuids;
    proposal.isNew = numLfgGroups != 1 || sLFGMgr->GetOldState(gguid) != LFG_STATE_DUNGEON;

    if (!sLFGMgr->AllQueued(check)) // can't create proposal
        return LFG_COMPATIBILITY_PENDING;

    // Create a new proposal
    proposal.cancelTime = time(NULL) + LFG_TIME_PROPOSAL;
    proposal.state = LFG_PROPOSAL_INITIATING;
    proposal.leader = 0;
    proposal.dungeonId = Trinity::Containers::SelectRandomContainerElement(proposalDungeons);

    bool leader = false;
    for (LfgRolesMap::const_iterator itRoles = proposalRoles.begin(); itRoles != proposalRoles.end(); ++itRoles)
    {
        // Assing new leader
        if (itRoles->second & PLAYER_ROLE_LEADER)
        {
            if (!leader || !proposal.leader || urand(0, 1))
                proposal.leader = itRoles->first;
            leader = true;
        }
        else if (!leader && (!proposal.leader || urand(0, 1)))
            proposal.leader = itRoles->first;

        // Assing player data and roles
        LfgProposalPlayer &data = proposal.players[itRoles->first];
        data.role = itRoles->second;
        data.group = proposalGroups.find(itRoles->first)->second;
        if (!proposal.isNew && data.group && data.group == proposal.group) // Player from existing group, autoaccept
            data.accept = LFG_ANSWER_AGREE;
    }

    for (uint8 i=0; i<5 && proposal.queues.guid[i]; ++i)
        RemoveFromQueue(proposal.queues.guid[i], true);

    sLFGMgr->AddProposal(proposal);

    return LFG_COMPATIBLES_MATCH;
}

void LFGQueue::UpdateQueueTimers(uint32 diff)
{
    time_t currTime = time(NULL);
    bool sendQueueStatus = false;

    if (m_QueueStatusTimer > LFG_QUEUEUPDATE_INTERVAL)
    {
        m_QueueStatusTimer = 0;
        sendQueueStatus = true;
    }
    else
        m_QueueStatusTimer += diff;

    //sLog->outString("UPDATE UpdateQueueTimers");
    for (Lfg5GuidsList::iterator it = CompatibleList.begin(); it != CompatibleList.end(); )
    {
        Lfg5GuidsList::iterator itr = it++;
        if (itr->empty())
        {
            //sLog->outString("UpdateQueueTimers ERASE compatible");
            CompatibleList.erase(itr);
        }
    }

    if (!sendQueueStatus)
    {
        for (LfgQueueDataContainer::iterator itQueue = QueueDataStore.begin(); itQueue != QueueDataStore.end(); )
        {
            if (currTime - itQueue->second.joinTime > 2*HOUR)
            {
                uint64 guid = itQueue->first;
                QueueDataStore.erase(itQueue++);
                sLFGMgr->LeaveAllLfgQueues(guid, true);
                continue;
            }
            if (itQueue->second.bestCompatible.empty())
            {
                uint32 numOfCompatibles = FindBestCompatibleInQueue(itQueue);
                if (numOfCompatibles /*must be positive, because proposals don't delete QueueQueueData*/ && currTime-itQueue->second.lastRefreshTime >= 60 && numOfCompatibles < (5-itQueue->second.bestCompatible.roles->size())*25)
                {
                    itQueue->second.lastRefreshTime = currTime;
                    AddToQueue(itQueue->first, false);
                }
            }
            ++itQueue;
        }
        return;
    }

    //sLog->outTrace(LOG_FILTER_LFG, "Updating queue timers...");
    for (LfgQueueDataContainer::iterator itQueue = QueueDataStore.begin(); itQueue != QueueDataStore.end(); ++itQueue)
    {
        LfgQueueData& queueinfo = itQueue->second;
        uint32 dungeonId = (*queueinfo.dungeons.begin());
        uint32 queuedTime = uint32(currTime - queueinfo.joinTime);
        uint8 role = PLAYER_ROLE_NONE;
        int32 waitTime = -1;
        int32 wtTank = waitTimesTankStore[dungeonId].time;
        int32 wtHealer = waitTimesHealerStore[dungeonId].time;
        int32 wtDps = waitTimesDpsStore[dungeonId].time;
        int32 wtAvg = waitTimesAvgStore[dungeonId].time;

        for (LfgRolesMap::const_iterator itPlayer = queueinfo.roles.begin(); itPlayer != queueinfo.roles.end(); ++itPlayer)
            role |= itPlayer->second;
        role &= ~PLAYER_ROLE_LEADER;

        switch (role)
        {
            case PLAYER_ROLE_NONE:                                // Should not happen - just in case
                waitTime = -1;
                break;
            case PLAYER_ROLE_TANK:
                waitTime = wtTank;
                break;
            case PLAYER_ROLE_HEALER:
                waitTime = wtHealer;
                break;
            case PLAYER_ROLE_DAMAGE:
                waitTime = wtDps;
                break;
            default:
                waitTime = wtAvg;
                break;
        }

        if (queueinfo.bestCompatible.empty())
        {
            //sLog->outString("found empty bestCompatible");
            FindBestCompatibleInQueue(itQueue);
        }

        LfgQueueStatusData queueData(dungeonId, waitTime, wtAvg, wtTank, wtHealer, wtDps, queuedTime, queueinfo.tanks, queueinfo.healers, queueinfo.dps);
        for (LfgRolesMap::const_iterator itPlayer = queueinfo.roles.begin(); itPlayer != queueinfo.roles.end(); ++itPlayer)
        {
            uint64 pguid = itPlayer->first;
            LFGMgr::SendLfgQueueStatus(pguid, queueData);
        }
    }
}

time_t LFGQueue::GetJoinTime(uint64 guid)
{
    return QueueDataStore[guid].joinTime;
}

uint32 LFGQueue::FindBestCompatibleInQueue(LfgQueueDataContainer::iterator itrQueue)
{
    uint32 numOfCompatibles = 0;
    for (LfgCompatibleContainer::const_iterator itr = CompatibleList.begin(); itr != CompatibleList.end(); ++itr)
        if (itr->hasGuid(itrQueue->first))
        {
            ++numOfCompatibles;
            UpdateBestCompatibleInQueue(itrQueue, *itr);
        }
    return numOfCompatibles;
}

void LFGQueue::UpdateBestCompatibleInQueue(LfgQueueDataContainer::iterator itrQueue, Lfg5Guids const& key)
{
    //sLog->outString("UpdateBestCompatibleInQueue: %s", key.toString().c_str());
    LfgQueueData& queueData = itrQueue->second;

    uint8 storedSize = queueData.bestCompatible.size();
    uint8 size = key.size();

    if (size <= storedSize)
        return;

    queueData.bestCompatible = key;
    queueData.tanks = LFG_TANKS_NEEDED;
    queueData.healers = LFG_HEALERS_NEEDED;
    queueData.dps = LFG_DPS_NEEDED;
    for (LfgRolesMap::const_iterator it = key.roles->begin(); it != key.roles->end(); ++it)
    {
        uint8 role = it->second;
        if (role & PLAYER_ROLE_TANK)
            --queueData.tanks;
        else if (role & PLAYER_ROLE_HEALER)
            --queueData.healers;
        else
            --queueData.dps;
    }
}

} // namespace lfg