/*
 * Copyright (C) 2016+     AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: http://github.com/azerothcore/azerothcore-wotlk/LICENSE-GPL2
 * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
 * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
 */

#include "QuestDef.h"
#include "GossipDef.h"
#include "ObjectMgr.h"
#include "Opcodes.h"
#include "WorldPacket.h"
#include "WorldSession.h"
#include "Formulas.h"

GossipMenu::GossipMenu()
{
    _menuId = 0;
}

GossipMenu::~GossipMenu()
{
    ClearMenu();
}

void GossipMenu::AddMenuItem(int32 menuItemId, uint8 icon, std::string const& message, uint32 sender, uint32 action, std::string const& boxMessage, uint32 boxMoney, bool coded /*= false*/)
{
    //TRINITY_WRITE_GUARD(ACE_RW_Thread_Mutex, GetLock());
    ASSERT(_menuItems.size() <= GOSSIP_MAX_MENU_ITEMS);

    // Find a free new id - script case
    if (menuItemId == -1)
    {
        menuItemId = 0;
        if (!_menuItems.empty())
        {
            for (GossipMenuItemContainer::const_iterator itr = _menuItems.begin(); itr != _menuItems.end(); ++itr)
            {
                if (int32(itr->first) > menuItemId)
                    break;

                menuItemId = itr->first + 1;
            }
        }
    }

    GossipMenuItem& menuItem = _menuItems[menuItemId];

    menuItem.MenuItemIcon    = icon;
    menuItem.Message         = message;
    menuItem.IsCoded         = coded;
    menuItem.Sender          = sender;
    menuItem.OptionType      = action;
    menuItem.BoxMessage      = boxMessage;
    menuItem.BoxMoney        = boxMoney;
}

void GossipMenu::AddGossipMenuItemData(uint32 menuItemId, uint32 gossipActionMenuId, uint32 gossipActionPoi)
{
    //TRINITY_WRITE_GUARD(ACE_RW_Thread_Mutex, GetLock());
    GossipMenuItemData& itemData = _menuItemData[menuItemId];

    itemData.GossipActionMenuId  = gossipActionMenuId;
    itemData.GossipActionPoi     = gossipActionPoi;
}

uint32 GossipMenu::GetMenuItemSender(uint32 menuItemId) const
{
    //TRINITY_READ_GUARD(ACE_RW_Thread_Mutex, GetLock());
    GossipMenuItemContainer::const_iterator itr = _menuItems.find(menuItemId);
    if (itr == _menuItems.end())
        return 0;

    return itr->second.Sender;
}

uint32 GossipMenu::GetMenuItemAction(uint32 menuItemId) const
{
    //TRINITY_READ_GUARD(ACE_RW_Thread_Mutex, GetLock());
    GossipMenuItemContainer::const_iterator itr = _menuItems.find(menuItemId);
    if (itr == _menuItems.end())
        return 0;

    return itr->second.OptionType;
}

bool GossipMenu::IsMenuItemCoded(uint32 menuItemId) const
{
    //TRINITY_READ_GUARD(ACE_RW_Thread_Mutex, GetLock());
    GossipMenuItemContainer::const_iterator itr = _menuItems.find(menuItemId);
    if (itr == _menuItems.end())
        return false;

    return itr->second.IsCoded;
}

void GossipMenu::ClearMenu()
{
    //TRINITY_WRITE_GUARD(ACE_RW_Thread_Mutex, GetLock());
    _menuItems.clear();
    _menuItemData.clear();
}

PlayerMenu::PlayerMenu(WorldSession* session) : _session(session)
{
}

PlayerMenu::~PlayerMenu()
{
    ClearMenus();
}

void PlayerMenu::ClearMenus()
{
    _gossipMenu.ClearMenu();
    _questMenu.ClearMenu();
}

void PlayerMenu::SendGossipMenu(uint32 titleTextId, uint64 objectGUID) const
{
    //ACE_Read_Guard<ACE_RW_Thread_Mutex> lock1(_gossipMenu.GetLock());
    //ACE_Read_Guard<ACE_RW_Thread_Mutex> lock2(_questMenu.GetLock());

    WorldPacket data(SMSG_GOSSIP_MESSAGE, 24 + _gossipMenu.GetMenuItemCount()*100 + _questMenu.GetMenuItemCount()*75);         // guess size
    data << uint64(objectGUID);
    data << uint32(_gossipMenu.GetMenuId());            // new 2.4.0
    data << uint32(titleTextId);
    data << uint32(_gossipMenu.GetMenuItemCount());     // max count 0x10

    for (GossipMenuItemContainer::const_iterator itr = _gossipMenu.GetMenuItems().begin(); itr != _gossipMenu.GetMenuItems().end(); ++itr)
    {
        GossipMenuItem const& item = itr->second;
        data << uint32(itr->first);
        data << uint8(item.MenuItemIcon);
        data << uint8(item.IsCoded);                    // makes pop up box password
        data << uint32(item.BoxMoney);                  // money required to open menu, 2.0.3
        data << item.Message;                           // text for gossip item
        data << item.BoxMessage;                        // accept text (related to money) pop up box, 2.0.3
    }

    data << uint32(_questMenu.GetMenuItemCount());      // max count 0x20

    for (uint32 iI = 0; iI < _questMenu.GetMenuItemCount(); ++iI)
    {
        QuestMenuItem const& item = _questMenu.GetItem(iI);
        uint32 questID = item.QuestId;
        Quest const* quest = sObjectMgr->GetQuestTemplate(questID);

        data << uint32(questID);
        data << uint32(item.QuestIcon);
        data << int32(quest->GetQuestLevel());
        data << uint32(quest->GetFlags());              // 3.3.3 quest flags
        data << uint8(0);                               // 3.3.3 changes icon: blue question or yellow exclamation
        data << quest->GetTitle();                                  // max 0x200
    }

    _session->SendPacket(&data);
}

void PlayerMenu::SendCloseGossip() const
{
    WorldPacket data(SMSG_GOSSIP_COMPLETE, 0);
    _session->SendPacket(&data);
}

void PlayerMenu::SendPointOfInterest(uint32 poiId) const
{
    PointOfInterest const* poi = sObjectMgr->GetPointOfInterest(poiId);
    if (!poi)
    {
        sLog->outErrorDb("Request to send non-existing POI (Id: %u), ignored.", poiId);
        return;
    }

    std::string iconText = poi->icon_name;
    int32 locale = _session->GetSessionDbLocaleIndex();
    if (locale >= 0)
        if (PointOfInterestLocale const* localeData = sObjectMgr->GetPointOfInterestLocale(poiId))
            ObjectMgr::GetLocaleString(localeData->IconName, locale, iconText);

    WorldPacket data(SMSG_GOSSIP_POI, 4 + 4 + 4 + 4 + 4 + 20);  // guess size
    data << uint32(poi->flags);
    data << float(poi->x);
    data << float(poi->y);
    data << uint32(poi->icon);
    data << uint32(poi->data);
    data << iconText;

    _session->SendPacket(&data);
}

/*********************************************************/
/***                    QUEST SYSTEM                   ***/
/*********************************************************/

QuestMenu::QuestMenu()
{
    _questMenuItems.reserve(16);                                   // can be set for max from most often sizes to speedup push_back and less memory use
}

QuestMenu::~QuestMenu()
{
    ClearMenu();
}

void QuestMenu::AddMenuItem(uint32 QuestId, uint8 Icon)
{
    if (!sObjectMgr->GetQuestTemplate(QuestId))
        return;

    //TRINITY_WRITE_GUARD(ACE_RW_Thread_Mutex, GetLock());

    ASSERT(_questMenuItems.size() <= GOSSIP_MAX_MENU_ITEMS);

    QuestMenuItem questMenuItem;

    questMenuItem.QuestId        = QuestId;
    questMenuItem.QuestIcon      = Icon;

    _questMenuItems.push_back(questMenuItem);
}

bool QuestMenu::HasItem(uint32 questId) const
{
    //TRINITY_READ_GUARD(ACE_RW_Thread_Mutex, GetLock());
    for (QuestMenuItemList::const_iterator i = _questMenuItems.begin(); i != _questMenuItems.end(); ++i)
        if (i->QuestId == questId)
            return true;

    return false;
}

void QuestMenu::ClearMenu()
{
    //TRINITY_WRITE_GUARD(ACE_RW_Thread_Mutex, GetLock());
    _questMenuItems.clear();
}

void PlayerMenu::SendQuestGiverQuestList(QEmote const& eEmote, const std::string& Title, uint64 npcGUID)
{
    WorldPacket data(SMSG_QUESTGIVER_QUEST_LIST, 100 + _questMenu.GetMenuItemCount()*75);    // guess size
    data << uint64(npcGUID);
    data << Title;
    data << uint32(eEmote._Delay);                         // player emote
    data << uint32(eEmote._Emote);                         // NPC emote

    size_t count_pos = data.wpos();
    data << uint8 (_questMenu.GetMenuItemCount());
    uint32 count = 0;
    for (; count < _questMenu.GetMenuItemCount(); ++count)
    {
        QuestMenuItem const& qmi = _questMenu.GetItem(count);

        uint32 questID = qmi.QuestId;

        if (Quest const* quest = sObjectMgr->GetQuestTemplate(questID))
        {
            data << uint32(questID);
            data << uint32(qmi.QuestIcon);
            data << int32(quest->GetQuestLevel());
            data << uint32(quest->GetFlags());             // 3.3.3 quest flags
            data << uint8(0);                               // 3.3.3 changes icon: blue question or yellow exclamation
            data << quest->GetTitle();
        }
    }

    data.put<uint8>(count_pos, count);
    _session->SendPacket(&data);
    ;//sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Sent SMSG_QUESTGIVER_QUEST_LIST NPC Guid=%u", GUID_LOPART(npcGUID));
}

void PlayerMenu::SendQuestGiverStatus(uint8 questStatus, uint64 npcGUID) const
{
    WorldPacket data(SMSG_QUESTGIVER_STATUS, 9);
    data << uint64(npcGUID);
    data << uint8(questStatus);

    _session->SendPacket(&data);
    ;//sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Sent SMSG_QUESTGIVER_STATUS NPC Guid=%u, status=%u", GUID_LOPART(npcGUID), questStatus);
}

void PlayerMenu::SendQuestGiverQuestDetails(Quest const* quest, uint64 npcGUID, bool activateAccept) const
{
    WorldPacket data(SMSG_QUESTGIVER_QUEST_DETAILS, 500);   // guess size
    data << uint64(npcGUID);
    data << uint64(_session->GetPlayer()->GetDivider());
    data << uint32(quest->GetQuestId());
    data << quest->GetTitle();
    data << quest->GetDetails();
    data << quest->GetObjectives();
    data << uint8(activateAccept ? 1 : 0);                  // auto finish
    data << uint32(quest->GetFlags());                      // 3.3.3 questFlags
    data << uint32(quest->GetSuggestedPlayers());
    data << uint8(0);                                       // IsFinished? value is sent back to server in quest accept packet

    if (quest->HasFlag(QUEST_FLAGS_HIDDEN_REWARDS))
    {
        data << uint32(0);                                  // Rewarded chosen items hidden
        data << uint32(0);                                  // Rewarded items hidden
        data << uint32(0);                                  // Rewarded money hidden
        data << uint32(0);                                  // Rewarded XP hidden
    }
    else
    {
        data << uint32(quest->GetRewChoiceItemsCount());
        for (uint32 i=0; i < QUEST_REWARD_CHOICES_COUNT; ++i)
        {
            if (!quest->RewardChoiceItemId[i])
                continue;

            data << uint32(quest->RewardChoiceItemId[i]);
            data << uint32(quest->RewardChoiceItemCount[i]);

            if (ItemTemplate const* itemTemplate = sObjectMgr->GetItemTemplate(quest->RewardChoiceItemId[i]))
                data << uint32(itemTemplate->DisplayInfoID);
            else
                data << uint32(0x00);
        }

        data << uint32(quest->GetRewItemsCount());

        for (uint32 i=0; i < QUEST_REWARDS_COUNT; ++i)
        {
            if (!quest->RewardItemId[i])
                continue;

            data << uint32(quest->RewardItemId[i]);
            data << uint32(quest->RewardItemIdCount[i]);

            if (ItemTemplate const* itemTemplate = sObjectMgr->GetItemTemplate(quest->RewardItemId[i]))
                data << uint32(itemTemplate->DisplayInfoID);
            else
                data << uint32(0);
        }

        data << uint32(quest->GetRewOrReqMoney());
        data << uint32(quest->XPValue(_session->GetPlayer()) * sWorld->getRate(RATE_XP_QUEST));
    }

    // rewarded honor points. Multiply with 10 to satisfy client
    data << uint32(10 * quest->CalculateHonorGain(_session->GetPlayer()->GetQuestLevel(quest)));
    data << float(0.0f);                                    // unk, honor multiplier?
    data << uint32(quest->GetRewSpell());                   // reward spell, this spell will display (icon) (casted if RewSpellCast == 0)
    data << int32(quest->GetRewSpellCast());                // casted spell
    data << uint32(quest->GetCharTitleId());                // CharTitleId, new 2.4.0, player gets this title (id from CharTitles)
    data << uint32(quest->GetBonusTalents());               // bonus talents
    data << uint32(quest->GetRewArenaPoints());             // reward arena points
    data << uint32(0);                                      // unk

    for (uint32 i = 0; i < QUEST_REPUTATIONS_COUNT; ++i)
        data << uint32(quest->RewardFactionId[i]);

    for (uint32 i = 0; i < QUEST_REPUTATIONS_COUNT; ++i)
        data << int32(quest->RewardFactionValueId[i]);

    for (uint32 i = 0; i < QUEST_REPUTATIONS_COUNT; ++i)
        data << int32(quest->RewardFactionValueIdOverride[i]);

    data << uint32(QUEST_EMOTE_COUNT);
    for (uint32 i = 0; i < QUEST_EMOTE_COUNT; ++i)
    {
        data << uint32(quest->DetailsEmote[i]);
        data << uint32(quest->DetailsEmoteDelay[i]);       // DetailsEmoteDelay (in ms)
    }
    _session->SendPacket(&data);

    ;//sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Sent SMSG_QUESTGIVER_QUEST_DETAILS NPCGuid=%u, questid=%u", GUID_LOPART(npcGUID), quest->GetQuestId());
}

void PlayerMenu::SendQuestQueryResponse(Quest const* quest) const
{
    _session->SendPacket(&quest->queryData);
    ;//sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Sent SMSG_QUEST_QUERY_RESPONSE questid=%u", quest->GetQuestId());
}

void PlayerMenu::SendQuestGiverOfferReward(Quest const* quest, uint64 npcGUID, bool enableNext) const
{
    WorldPacket data(SMSG_QUESTGIVER_OFFER_REWARD, 400);    // guess size
    data << uint64(npcGUID);
    data << uint32(quest->GetQuestId());
    data << quest->GetTitle();
    data << quest->GetOfferRewardText();

    data << uint8(enableNext ? 1 : 0);                      // Auto Finish
    data << uint32(quest->GetFlags());                      // 3.3.3 questFlags
    data << uint32(quest->GetSuggestedPlayers());           // SuggestedGroupNum

    uint32 emoteCount = 0;
    for (uint32 i = 0; i < QUEST_EMOTE_COUNT; ++i)
    {
        if (quest->OfferRewardEmote[i] <= 0)
            break;
        ++emoteCount;
    }

    data << emoteCount;                                     // Emote Count
    for (uint32 i = 0; i < emoteCount; ++i)
    {
        data << uint32(quest->OfferRewardEmoteDelay[i]);    // Delay Emote
        data << uint32(quest->OfferRewardEmote[i]);
    }

    data << uint32(quest->GetRewChoiceItemsCount());
    for (uint32 i=0; i < quest->GetRewChoiceItemsCount(); ++i)
    {
        data << uint32(quest->RewardChoiceItemId[i]);
        data << uint32(quest->RewardChoiceItemCount[i]);

        if (ItemTemplate const* itemTemplate = sObjectMgr->GetItemTemplate(quest->RewardChoiceItemId[i]))
            data << uint32(itemTemplate->DisplayInfoID);
        else
            data << uint32(0);
    }

    data << uint32(quest->GetRewItemsCount());
    for (uint32 i = 0; i < quest->GetRewItemsCount(); ++i)
    {
        data << uint32(quest->RewardItemId[i]);
        data << uint32(quest->RewardItemIdCount[i]);

        if (ItemTemplate const* itemTemplate = sObjectMgr->GetItemTemplate(quest->RewardItemId[i]))
            data << uint32(itemTemplate->DisplayInfoID);
        else
            data << uint32(0);
    }

    data << uint32(quest->GetRewOrReqMoney());
    data << uint32(quest->XPValue(_session->GetPlayer()) * sWorld->getRate(RATE_XP_QUEST));

    // rewarded honor points. Multiply with 10 to satisfy client
    data << uint32(10 * quest->CalculateHonorGain(_session->GetPlayer()->GetQuestLevel(quest)));
    data << float(0.0f);                                    // unk, honor multiplier?
    data << uint32(0x08);                                   // unused by client?
    data << uint32(quest->GetRewSpell());                   // reward spell, this spell will display (icon) (casted if RewSpellCast == 0)
    data << int32(quest->GetRewSpellCast());                // casted spell
    data << uint32(0);                                      // unknown
    data << uint32(quest->GetBonusTalents());               // bonus talents
    data << uint32(quest->GetRewArenaPoints());             // arena points
    data << uint32(0);

    for (uint32 i = 0; i < QUEST_REPUTATIONS_COUNT; ++i)    // reward factions ids
        data << uint32(quest->RewardFactionId[i]);

    for (uint32 i = 0; i < QUEST_REPUTATIONS_COUNT; ++i)    // columnid in QuestFactionReward.dbc (zero based)?
        data << int32(quest->RewardFactionValueId[i]);

    for (uint32 i = 0; i < QUEST_REPUTATIONS_COUNT; ++i)    // reward reputation override?
        data << uint32(quest->RewardFactionValueIdOverride[i]);

    _session->SendPacket(&data);
    ;//sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Sent SMSG_QUESTGIVER_OFFER_REWARD NPCGuid=%u, questid=%u", GUID_LOPART(npcGUID), quest->GetQuestId());
}

void PlayerMenu::SendQuestGiverRequestItems(Quest const* quest, uint64 npcGUID, bool canComplete, bool closeOnCancel) const
{
    // We can always call to RequestItems, but this packet only goes out if there are actually
    // items.  Otherwise, we'll skip straight to the OfferReward

    if (!quest->GetReqItemsCount() && canComplete)
    {
        SendQuestGiverOfferReward(quest, npcGUID, true);
        return;
    }

    // Xinef: recheck completion on reward display
    Player* _player = _session->GetPlayer();
    QuestStatusMap::iterator qsitr = _player->getQuestStatusMap().find(quest->GetQuestId());
    if (qsitr != _player->getQuestStatusMap().end() && qsitr->second.Status == QUEST_STATUS_INCOMPLETE)
    {
        for (uint8 i=0; i<6; ++i)
            if (quest->RequiredItemId[i] && qsitr->second.ItemCount[i] < quest->RequiredItemCount[i])
                if (_player->GetItemCount(quest->RequiredItemId[i], false) >= quest->RequiredItemCount[i])
                    qsitr->second.ItemCount[i] = quest->RequiredItemCount[i];

        if (_player->CanCompleteQuest(quest->GetQuestId()))
        {
            _player->CompleteQuest(quest->GetQuestId());
            canComplete = true;
        }
    }

    WorldPacket data(SMSG_QUESTGIVER_REQUEST_ITEMS, 300);   // guess size
    data << uint64(npcGUID);
    data << uint32(quest->GetQuestId());
    data << quest->GetTitle();
    data << quest->GetRequestItemsText();

    data << uint32(0x00);                                   // unknown

    if (canComplete)
        data << quest->GetCompleteEmote();
    else
        data << quest->GetIncompleteEmote();

    // Close Window after cancel
    if (closeOnCancel)
        data << uint32(0x01);
    else
        data << uint32(0x00);

    data << uint32(quest->GetFlags());                      // 3.3.3 questFlags
    data << uint32(quest->GetSuggestedPlayers());           // SuggestedGroupNum

    // Required Money
    data << uint32(quest->GetRewOrReqMoney() < 0 ? -quest->GetRewOrReqMoney() : 0);

    data << uint32(quest->GetReqItemsCount());
    for (int i = 0; i < QUEST_ITEM_OBJECTIVES_COUNT; ++i)
    {
        if (!quest->RequiredItemId[i])
            continue;

        data << uint32(quest->RequiredItemId[i]);
        data << uint32(quest->RequiredItemCount[i]);

        if (ItemTemplate const* itemTemplate = sObjectMgr->GetItemTemplate(quest->RequiredItemId[i]))
            data << uint32(itemTemplate->DisplayInfoID);
        else
            data << uint32(0);
    }

    if (!canComplete)
        data << uint32(0x00);
    else
        data << uint32(0x03);

    data << uint32(0x04);
    data << uint32(0x08);
    data << uint32(0x10);

    _session->SendPacket(&data);
    ;//sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Sent SMSG_QUESTGIVER_REQUEST_ITEMS NPCGuid=%u, questid=%u", GUID_LOPART(npcGUID), quest->GetQuestId());
}