/*
 * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
 *
 * Copyright (C) 2008-2010 Trinity <http://www.trinitycore.org/>
 *
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#include "Common.h"
#include "Database/DatabaseEnv.h"
#include "Opcodes.h"
#include "Log.h"
#include "Player.h"
#include "WorldPacket.h"
#include "WorldSession.h"
#include "ObjectAccessor.h"
#include "UpdateMask.h"

void WorldSession::HandleLearnTalentOpcode(WorldPacket & recv_data)
{
    uint32 talent_id, requested_rank;
    recv_data >> talent_id >> requested_rank;

    _player->LearnTalent(talent_id, requested_rank);
    _player->SendTalentsInfoData(false);
}

void WorldSession::HandleLearnPreviewTalents(WorldPacket& recvPacket)
{
    sLog.outDebug("CMSG_LEARN_PREVIEW_TALENTS");

    uint32 talentsCount;
    recvPacket >> talentsCount;

    uint32 talentId, talentRank;

    for (uint32 i = 0; i < talentsCount; ++i)
    {
        recvPacket >> talentId >> talentRank;

        _player->LearnTalent(talentId, talentRank);
    }

    _player->SendTalentsInfoData(false);
}

void WorldSession::HandleTalentWipeConfirmOpcode(WorldPacket & recv_data)
{
    sLog.outDetail("MSG_TALENT_WIPE_CONFIRM");
    uint64 guid;
    recv_data >> guid;

    Creature *unit = GetPlayer()->GetNPCIfCanInteractWith(guid,UNIT_NPC_FLAG_TRAINER);
    if (!unit)
    {
        sLog.outDebug("WORLD: HandleTalentWipeConfirmOpcode - Unit (GUID: %u) not found or you can't interact with him.", uint32(GUID_LOPART(guid)));
        return;
    }

    // remove fake death
    if (GetPlayer()->hasUnitState(UNIT_STAT_DIED))
        GetPlayer()->RemoveAurasByType(SPELL_AURA_FEIGN_DEATH);

    if (!(_player->resetTalents()))
    {
        WorldPacket data(MSG_TALENT_WIPE_CONFIRM, 8+4);    //you have not any talent
        data << uint64(0);
        data << uint32(0);
        SendPacket(&data);
        return;
    }

    _player->SendTalentsInfoData(false);
    unit->CastSpell(_player, 14867, true);                  //spell: "Untalent Visual Effect"
}

void WorldSession::HandleUnlearnSkillOpcode(WorldPacket & recv_data)
{
    uint32 skill_id;
    recv_data >> skill_id;
    GetPlayer()->SetSkill(skill_id, 0, 0, 0);
}