/*
 * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
 *
 * 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/>.
 */

#ifndef TRINITYCORE_GUILD_H
#define TRINITYCORE_GUILD_H

#include "DatabaseEnvFwd.h"
#include "ObjectGuid.h"
#include "Optional.h"
#include "SharedDefines.h"
#include "UniqueTrackablePtr.h"
#include <set>
#include <unordered_map>
#include <unordered_set>

class Item;
class Player;
class WorldPacket;
class WorldSession;
struct ItemPosCount;
enum InventoryResult : uint8;
enum LocaleConstant : uint8;

namespace WorldPackets
{
    namespace Guild
    {
        class GuildBankLogQueryResults;
        class GuildEventLogQueryResults;
        class SaveGuildEmblem;
    }
}

enum GuildMisc
{
    GUILD_BANK_MAX_TABS                 = 6,                    // send by client for money log also
    GUILD_BANK_MAX_SLOTS                = 98,
    GUILD_BANK_MONEY_LOGS_TAB           = 100,                  // used for money log in DB
    GUILD_RANKS_MIN_COUNT               = 5,
    GUILD_RANKS_MAX_COUNT               = 10,
    GUILD_RANK_NONE                     = 0xFF,
    GUILD_WITHDRAW_MONEY_UNLIMITED      = 0xFFFFFFFF,
    GUILD_WITHDRAW_SLOT_UNLIMITED       = 0xFFFFFFFF,
    GUILD_EVENT_LOG_GUID_UNDEFINED      = 0xFFFFFFFF,
    TAB_UNDEFINED                       = 0xFF,
};

constexpr uint64 GUILD_BANK_MONEY_LIMIT = UI64LIT(0x7FFFFFFFFFFFF);

enum GuildMemberData
{
    GUILD_MEMBER_DATA_ZONEID,
    GUILD_MEMBER_DATA_LEVEL,
};

enum GuildDefaultRanks
{
    // These ranks can be modified, but they cannot be deleted
    GR_GUILDMASTER  = 0,
    GR_OFFICER      = 1,
    GR_VETERAN      = 2,
    GR_MEMBER       = 3,
    GR_INITIATE     = 4
    // When promoting member server does: rank--
    // When demoting member server does: rank++
};

enum GuildRankRights
{
    GR_RIGHT_EMPTY                      = 0x00000040,
    GR_RIGHT_GCHATLISTEN                = GR_RIGHT_EMPTY | 0x00000001,
    GR_RIGHT_GCHATSPEAK                 = GR_RIGHT_EMPTY | 0x00000002,
    GR_RIGHT_OFFCHATLISTEN              = GR_RIGHT_EMPTY | 0x00000004,
    GR_RIGHT_OFFCHATSPEAK               = GR_RIGHT_EMPTY | 0x00000008,
    GR_RIGHT_INVITE                     = GR_RIGHT_EMPTY | 0x00000010,
    GR_RIGHT_REMOVE                     = GR_RIGHT_EMPTY | 0x00000020,
    GR_RIGHT_PROMOTE                    = GR_RIGHT_EMPTY | 0x00000080,
    GR_RIGHT_DEMOTE                     = GR_RIGHT_EMPTY | 0x00000100,
    GR_RIGHT_SETMOTD                    = GR_RIGHT_EMPTY | 0x00001000,
    GR_RIGHT_EPNOTE                     = GR_RIGHT_EMPTY | 0x00002000,
    GR_RIGHT_VIEWOFFNOTE                = GR_RIGHT_EMPTY | 0x00004000,
    GR_RIGHT_EOFFNOTE                   = GR_RIGHT_EMPTY | 0x00008000,
    GR_RIGHT_MODIFY_GUILD_INFO          = GR_RIGHT_EMPTY | 0x00010000,
    GR_RIGHT_WITHDRAW_GOLD_LOCK         = 0x00020000,                   // remove money withdraw capacity
    GR_RIGHT_WITHDRAW_REPAIR            = 0x00040000,                   // withdraw for repair
    GR_RIGHT_WITHDRAW_GOLD              = 0x00080000,                   // withdraw gold
    GR_RIGHT_CREATE_GUILD_EVENT         = 0x00100000,                   // wotlk
    GR_RIGHT_ALL                        = 0x001DF1FF
};

enum GuildCommandType
{
    GUILD_COMMAND_CREATE                = 0,
    GUILD_COMMAND_INVITE                = 1,
    GUILD_COMMAND_QUIT                  = 3,
    GUILD_COMMAND_ROSTER                = 5,
    GUILD_COMMAND_PROMOTE               = 6,
    GUILD_COMMAND_DEMOTE                = 7,
    GUILD_COMMAND_REMOVE                = 8,
    GUILD_COMMAND_CHANGE_LEADER         = 10,
    GUILD_COMMAND_EDIT_MOTD             = 11,
    GUILD_COMMAND_GUILD_CHAT            = 13,
    GUILD_COMMAND_FOUNDER               = 14,
    GUILD_COMMAND_CHANGE_RANK           = 16,
    GUILD_COMMAND_PUBLIC_NOTE           = 19,
    GUILD_COMMAND_VIEW_TAB              = 21,
    GUILD_COMMAND_MOVE_ITEM             = 22,
    GUILD_COMMAND_REPAIR                = 25,
};

enum GuildCommandError
{
    ERR_GUILD_COMMAND_SUCCESS           = 0,
    ERR_GUILD_INTERNAL                  = 1,
    ERR_ALREADY_IN_GUILD                = 2,
    ERR_ALREADY_IN_GUILD_S              = 3,
    ERR_INVITED_TO_GUILD                = 4,
    ERR_ALREADY_INVITED_TO_GUILD_S      = 5,
    ERR_GUILD_NAME_INVALID              = 6,
    ERR_GUILD_NAME_EXISTS_S             = 7,
    ERR_GUILD_LEADER_LEAVE              = 8,
    ERR_GUILD_PERMISSIONS               = 8,
    ERR_GUILD_PLAYER_NOT_IN_GUILD       = 9,
    ERR_GUILD_PLAYER_NOT_IN_GUILD_S     = 10,
    ERR_GUILD_PLAYER_NOT_FOUND_S        = 11,
    ERR_GUILD_NOT_ALLIED                = 12,
    ERR_GUILD_RANK_TOO_HIGH_S           = 13,
    ERR_GUILD_RANK_TOO_LOW_S            = 14,
    ERR_GUILD_RANKS_LOCKED              = 17,
    ERR_GUILD_RANK_IN_USE               = 18,
    ERR_GUILD_IGNORING_YOU_S            = 19,
    ERR_GUILD_UNK1                      = 20, // Forces roster update
    ERR_GUILD_WITHDRAW_LIMIT            = 25,
    ERR_GUILD_NOT_ENOUGH_MONEY          = 26,
    ERR_GUILD_BANK_FULL                 = 28,
    ERR_GUILD_ITEM_NOT_FOUND            = 29,
};

enum GuildEvents
{
    GE_PROMOTION                        = 0,
    GE_DEMOTION                         = 1,
    GE_MOTD                             = 2,
    GE_JOINED                           = 3,
    GE_LEFT                             = 4,
    GE_REMOVED                          = 5,
    GE_LEADER_IS                        = 6,
    GE_LEADER_CHANGED                   = 7,
    GE_DISBANDED                        = 8,
    GE_TABARDCHANGE                     = 9,
    GE_RANK_UPDATED                     = 10,
    GE_RANK_DELETED                     = 11,
    GE_SIGNED_ON                        = 12,
    GE_SIGNED_OFF                       = 13,
    GE_GUILDBANKBAGSLOTS_CHANGED        = 14,   /// TODO: Sent when items are moved in gbank - all players with bank open will send tab query
    GE_BANK_TAB_PURCHASED               = 15,
    GE_BANK_TAB_UPDATED                 = 16,
    GE_BANK_MONEY_SET                   = 17,
    GE_BANK_TAB_AND_MONEY_UPDATED       = 18,
    GE_BANK_TEXT_CHANGED                = 19,
};

enum GuildBankRights
{
    GUILD_BANK_RIGHT_VIEW_TAB           = 0x01,
    GUILD_BANK_RIGHT_PUT_ITEM           = 0x02,
    GUILD_BANK_RIGHT_UPDATE_TEXT        = 0x04,

    GUILD_BANK_RIGHT_DEPOSIT_ITEM       = GUILD_BANK_RIGHT_VIEW_TAB | GUILD_BANK_RIGHT_PUT_ITEM,
    GUILD_BANK_RIGHT_FULL               = 0xFF
};

enum GuildBankEventLogTypes
{
    GUILD_BANK_LOG_DEPOSIT_ITEM         = 1,
    GUILD_BANK_LOG_WITHDRAW_ITEM        = 2,
    GUILD_BANK_LOG_MOVE_ITEM            = 3,
    GUILD_BANK_LOG_DEPOSIT_MONEY        = 4,
    GUILD_BANK_LOG_WITHDRAW_MONEY       = 5,
    GUILD_BANK_LOG_REPAIR_MONEY         = 6,
    GUILD_BANK_LOG_MOVE_ITEM2           = 7,
    GUILD_BANK_LOG_UNK1                 = 8,
    GUILD_BANK_LOG_BUY_SLOT             = 9
};

enum GuildEventLogTypes
{
    GUILD_EVENT_LOG_INVITE_PLAYER       = 1,
    GUILD_EVENT_LOG_JOIN_GUILD          = 2,
    GUILD_EVENT_LOG_PROMOTE_PLAYER      = 3,
    GUILD_EVENT_LOG_DEMOTE_PLAYER       = 4,
    GUILD_EVENT_LOG_UNINVITE_PLAYER     = 5,
    GUILD_EVENT_LOG_LEAVE_GUILD         = 6
};

enum GuildEmblemError
{
    ERR_GUILDEMBLEM_SUCCESS               = 0,
    ERR_GUILDEMBLEM_INVALID_TABARD_COLORS = 1,
    ERR_GUILDEMBLEM_NOGUILD               = 2,
    ERR_GUILDEMBLEM_NOTGUILDMASTER        = 3,
    ERR_GUILDEMBLEM_NOTENOUGHMONEY        = 4,
    ERR_GUILDEMBLEM_INVALIDVENDOR         = 5
};

enum GuildMemberFlags
{
    GUILDMEMBER_STATUS_NONE             = 0x0000,
    GUILDMEMBER_STATUS_ONLINE           = 0x0001,
    GUILDMEMBER_STATUS_AFK              = 0x0002,
    GUILDMEMBER_STATUS_DND              = 0x0004,
    GUILDMEMBER_STATUS_MOBILE           = 0x0008, // remote chat from mobile app
};

// Emblem info
class TC_GAME_API EmblemInfo
{
    public:
        EmblemInfo() : m_style(0), m_color(0), m_borderStyle(0), m_borderColor(0), m_backgroundColor(0) { }

        void LoadFromDB(Field* fields);
        void SaveToDB(ObjectGuid::LowType guildId) const;
        void ReadPacket(WorldPackets::Guild::SaveGuildEmblem& packet);

        uint32 GetStyle() const { return m_style; }
        uint32 GetColor() const { return m_color; }
        uint32 GetBorderStyle() const { return m_borderStyle; }
        uint32 GetBorderColor() const { return m_borderColor; }
        uint32 GetBackgroundColor() const { return m_backgroundColor; }

    private:
        uint32 m_style;
        uint32 m_color;
        uint32 m_borderStyle;
        uint32 m_borderColor;
        uint32 m_backgroundColor;
};

// Structure for storing guild bank rights and remaining slots together.
class GuildBankRightsAndSlots
{
    public:
        GuildBankRightsAndSlots() : tabId(TAB_UNDEFINED), rights(0), slots(0) { }
        GuildBankRightsAndSlots(uint8 _tabId) : tabId(_tabId), rights(0), slots(0) { }
        GuildBankRightsAndSlots(uint8 _tabId, uint8 _rights, uint32 _slots) : tabId(_tabId), rights(_rights), slots(_slots) { }

        void SetGuildMasterValues()
        {
            rights = GUILD_BANK_RIGHT_FULL;
            slots = uint32(GUILD_WITHDRAW_SLOT_UNLIMITED);
        }

        void SetTabId(uint8 _tabId) { tabId = _tabId; }
        void SetSlots(uint32 _slots) { slots = _slots; }
        void SetRights(uint8 _rights) { rights = _rights; }

        int8 GetTabId() const { return tabId; }
        int32 GetSlots() const { return slots; }
        int8 GetRights() const { return rights; }

    private:
        uint8 tabId;
        uint8 rights;
        uint32 slots;
};

using SlotIds = std::set<uint8>;

class TC_GAME_API Guild
{
    private:
        // Class representing guild member
        class Member
        {
            public:
                Member(ObjectGuid::LowType guildId, ObjectGuid guid, uint8 rankId);

                void SetStats(Player* player);
                void SetStats(std::string_view name, uint8 level, uint8 _class, uint8 gender, uint32 zoneId, uint32 accountId);
                bool CheckStats() const;

                void SetPublicNote(std::string_view publicNote);
                void SetOfficerNote(std::string_view officerNote);
                void SetZoneID(uint32 id) { m_zoneId = id; }
                void SetLevel(uint8 var) { m_level = var; }

                void AddFlag(uint8 var) { m_flags |= var; }
                void RemFlag(uint8 var) { m_flags &= ~var; }
                void ResetFlags() { m_flags = GUILDMEMBER_STATUS_NONE; }

                bool LoadFromDB(Field* fields);
                void SaveToDB(CharacterDatabaseTransaction trans) const;

                ObjectGuid GetGUID() const { return m_guid; }
                std::string const& GetName() const { return m_name; }
                uint32 GetAccountId() const { return m_accountId; }
                uint8 GetRankId() const { return m_rankId; }
                uint64 GetLogoutTime() const { return m_logoutTime; }
                std::string GetPublicNote() const { return m_publicNote; }
                std::string GetOfficerNote() const { return m_officerNote; }
                uint8 GetClass() const { return m_class; }
                uint8 GetLevel() const { return m_level; }
                uint8 GetGender() const { return m_gender; }
                uint8 GetFlags() const { return m_flags; }
                uint32 GetZoneId() const { return m_zoneId; }
                bool IsOnline() const { return (m_flags & GUILDMEMBER_STATUS_ONLINE); }

                void ChangeRank(CharacterDatabaseTransaction trans, uint8 newRank);

                inline void UpdateLogoutTime();
                inline bool IsRank(uint8 rankId) const { return m_rankId == rankId; }
                inline bool IsRankNotLower(uint8 rankId) const { return m_rankId <= rankId; }
                inline bool IsSamePlayer(ObjectGuid guid) const { return m_guid == guid; }

                void UpdateBankWithdrawValue(CharacterDatabaseTransaction trans, uint8 tabId, uint32 amount);
                int32 GetBankWithdrawValue(uint8 tabId) const;
                void ResetValues();

                Player* FindPlayer() const;
                Player* FindConnectedPlayer() const;

            private:
                ObjectGuid::LowType m_guildId;
                // Fields from characters table
                ObjectGuid m_guid;
                std::string m_name;
                uint32 m_zoneId;
                uint8 m_level;
                uint8 m_class;
                uint8 m_gender;
                uint8 m_flags;
                uint64 m_logoutTime;
                uint32 m_accountId;
                // Fields from guild_member table
                uint8 m_rankId;
                std::string m_publicNote;
                std::string m_officerNote;

                std::array<int32, GUILD_BANK_MAX_TABS + 1> m_bankWithdraw = {};
        };

        // Base class for event entries
        class LogEntry
        {
            public:
                LogEntry(ObjectGuid::LowType guildId, uint32 guid);
                LogEntry(ObjectGuid::LowType guildId, uint32 guid, time_t timestamp) : m_guildId(guildId), m_guid(guid), m_timestamp(timestamp) { }
                virtual ~LogEntry() { }

                uint32 GetGUID() const { return m_guid; }
                uint64 GetTimestamp() const { return m_timestamp; }

                virtual void SaveToDB(CharacterDatabaseTransaction trans) const = 0;

            protected:
                ObjectGuid::LowType m_guildId;
                uint32 m_guid;
                uint64 m_timestamp;
        };

        // Event log entry
        class EventLogEntry : public LogEntry
        {
            public:
                EventLogEntry(ObjectGuid::LowType guildId, uint32 guid, GuildEventLogTypes eventType, ObjectGuid::LowType playerGuid1, ObjectGuid::LowType playerGuid2, uint8 newRank) :
                    LogEntry(guildId, guid), m_eventType(eventType), m_playerGuid1(playerGuid1), m_playerGuid2(playerGuid2), m_newRank(newRank) { }

                EventLogEntry(ObjectGuid::LowType guildId, uint32 guid, time_t timestamp, GuildEventLogTypes eventType, ObjectGuid::LowType playerGuid1, ObjectGuid::LowType playerGuid2, uint8 newRank) :
                    LogEntry(guildId, guid, timestamp), m_eventType(eventType), m_playerGuid1(playerGuid1), m_playerGuid2(playerGuid2), m_newRank(newRank) { }

                ~EventLogEntry() { }

                void SaveToDB(CharacterDatabaseTransaction trans) const override;
                void WritePacket(WorldPackets::Guild::GuildEventLogQueryResults& packet) const;

            private:
                GuildEventLogTypes m_eventType;
                ObjectGuid::LowType m_playerGuid1;
                ObjectGuid::LowType m_playerGuid2;
                uint8 m_newRank;
        };

        // Bank event log entry
        class BankEventLogEntry : public LogEntry
        {
            public:
                static bool IsMoneyEvent(GuildBankEventLogTypes eventType)
                {
                    return
                        eventType == GUILD_BANK_LOG_DEPOSIT_MONEY ||
                        eventType == GUILD_BANK_LOG_WITHDRAW_MONEY ||
                        eventType == GUILD_BANK_LOG_REPAIR_MONEY;
                }

                bool IsMoneyEvent() const
                {
                    return IsMoneyEvent(m_eventType);
                }

                BankEventLogEntry(ObjectGuid::LowType guildId, uint32 guid, GuildBankEventLogTypes eventType, uint8 tabId, ObjectGuid::LowType playerGuid, uint32 itemOrMoney, uint16 itemStackCount, uint8 destTabId) :
                    LogEntry(guildId, guid), m_eventType(eventType), m_bankTabId(tabId), m_playerGuid(playerGuid),
                    m_itemOrMoney(itemOrMoney), m_itemStackCount(itemStackCount), m_destTabId(destTabId) { }

                BankEventLogEntry(ObjectGuid::LowType guildId, uint32 guid, time_t timestamp, uint8 tabId, GuildBankEventLogTypes eventType, ObjectGuid::LowType playerGuid, uint32 itemOrMoney, uint16 itemStackCount, uint8 destTabId) :
                    LogEntry(guildId, guid, timestamp), m_eventType(eventType), m_bankTabId(tabId), m_playerGuid(playerGuid),
                    m_itemOrMoney(itemOrMoney), m_itemStackCount(itemStackCount), m_destTabId(destTabId) { }

                ~BankEventLogEntry() { }

                void SaveToDB(CharacterDatabaseTransaction trans) const override;
                void WritePacket(WorldPackets::Guild::GuildBankLogQueryResults& packet) const;

            private:
                GuildBankEventLogTypes m_eventType;
                uint8  m_bankTabId;
                ObjectGuid::LowType m_playerGuid;
                uint32 m_itemOrMoney;
                uint16 m_itemStackCount;
                uint8  m_destTabId;
        };

        // Class encapsulating work with events collection
        template <typename Entry>
        class LogHolder
        {
            public:
                LogHolder();

                // Checks if new log entry can be added to holder
                bool CanInsert() const { return m_log.size() < m_maxRecords; }

                // Adds event from DB to collection
                template <typename... Ts>
                void LoadEvent(Ts&&... args);

                // Adds new event to collection and saves it to DB
                template <typename... Ts>
                void AddEvent(CharacterDatabaseTransaction trans, Ts&&... args);

                uint32 GetNextGUID();
                std::list<Entry>& GetGuildLog() { return m_log; }
                std::list<Entry> const& GetGuildLog() const { return m_log; }

            private:
                std::list<Entry> m_log;
                uint32 const m_maxRecords;
                uint32 m_nextGUID;
        };

        // Class encapsulating guild rank data
        class RankInfo
        {
            public:
                RankInfo(): m_guildId(0), m_rankId(GUILD_RANK_NONE), m_rights(GR_RIGHT_EMPTY), m_bankMoneyPerDay(0) { }
                RankInfo(ObjectGuid::LowType guildId) : m_guildId(guildId), m_rankId(GUILD_RANK_NONE), m_rights(GR_RIGHT_EMPTY), m_bankMoneyPerDay(0) { }
                RankInfo(ObjectGuid::LowType guildId, uint8 rankId, std::string_view name, uint32 rights, uint32 money) :
                    m_guildId(guildId), m_rankId(rankId), m_name(name), m_rights(rights),
                    m_bankMoneyPerDay(rankId != GR_GUILDMASTER ? money : GUILD_WITHDRAW_MONEY_UNLIMITED) { }

                void LoadFromDB(Field* fields);
                void SaveToDB(CharacterDatabaseTransaction trans) const;

                uint8 GetId() const { return m_rankId; }

                std::string const& GetName() const { return m_name; }
                void SetName(std::string_view name);

                uint32 GetRights() const { return m_rights; }
                void SetRights(uint32 rights);

                int32 GetBankMoneyPerDay() const { return m_bankMoneyPerDay; }

                void SetBankMoneyPerDay(uint32 money);

                inline int8 GetBankTabRights(uint8 tabId) const
                {
                    return tabId < GUILD_BANK_MAX_TABS ? m_bankTabRightsAndSlots[tabId].GetRights() : 0;
                }

                inline int32 GetBankTabSlotsPerDay(uint8 tabId) const
                {
                    return tabId < GUILD_BANK_MAX_TABS ? m_bankTabRightsAndSlots[tabId].GetSlots() : 0;
                }

                void SetBankTabSlotsAndRights(GuildBankRightsAndSlots rightsAndSlots, bool saveToDB);
                void CreateMissingTabsIfNeeded(uint8 ranks, CharacterDatabaseTransaction trans, bool logOnCreate = false);

            private:
                ObjectGuid::LowType m_guildId;

                uint8  m_rankId;
                std::string m_name;
                uint32 m_rights;
                uint32 m_bankMoneyPerDay;
                std::array<GuildBankRightsAndSlots, GUILD_BANK_MAX_TABS> m_bankTabRightsAndSlots = {};
        };

        class BankTab
        {
            public:
                BankTab(ObjectGuid::LowType guildId, uint8 tabId);

                void LoadFromDB(Field* fields);
                bool LoadItemFromDB(Field* fields);
                void Delete(CharacterDatabaseTransaction trans, bool removeItemsFromDB = false);

                void SetInfo(std::string_view name, std::string_view icon);
                void SetText(std::string_view text);
                void SendText(Guild const* guild, WorldSession* session) const;

                std::string const& GetName() const { return m_name; }
                std::string const& GetIcon() const { return m_icon; }
                std::string const& GetText() const { return m_text; }

                inline Item* GetItem(uint8 slotId) const { return slotId < GUILD_BANK_MAX_SLOTS ?  m_items[slotId] : nullptr; }
                bool SetItem(CharacterDatabaseTransaction trans, uint8 slotId, Item* pItem);

            private:
                ObjectGuid::LowType m_guildId;
                uint8 m_tabId;

                std::array<Item*, GUILD_BANK_MAX_SLOTS> m_items = {};
                std::string m_name;
                std::string m_icon;
                std::string m_text;
        };

        // Movement data
        class MoveItemData
        {
            public:
                MoveItemData(Guild* guild, Player* player, uint8 container, uint8 slotId);
                virtual ~MoveItemData();

                virtual bool IsBank() const = 0;
                // Initializes item pointer. Returns true, if item exists, false otherwise.
                virtual bool InitItem() = 0;
                // Checks splited amount against item. Splited amount cannot be more that number of items in stack.
                virtual bool CheckItem(uint32& splitedAmount);
                // Defines if player has rights to save item in container
                virtual bool HasStoreRights(MoveItemData* /*pOther*/) const { return true; }
                // Defines if player has rights to withdraw item from container
                virtual bool HasWithdrawRights(MoveItemData* /*pOther*/) const { return true; }
                // Checks if container can store specified item
                bool CanStore(Item* pItem, bool swap, bool sendError);
                // Clones stored item
                bool CloneItem(uint32 count);
                // Remove item from container (if splited update items fields)
                virtual void RemoveItem(CharacterDatabaseTransaction trans, MoveItemData* pOther, uint32 splitedAmount = 0) = 0;
                // Saves item to container
                virtual Item* StoreItem(CharacterDatabaseTransaction trans, Item* pItem) = 0;
                // Log bank event
                virtual void LogBankEvent(CharacterDatabaseTransaction trans, MoveItemData* pFrom, uint32 count) const = 0;
                // Log GM action
                virtual void LogAction(MoveItemData* pFrom) const;
                // Copy slots id from position vector
                void CopySlots(SlotIds& ids) const;

                Item* GetItem(bool isCloned = false) const { return isCloned ? m_pClonedItem : m_pItem; }
                uint8 GetContainer() const { return m_container; }
                uint8 GetSlotId() const { return m_slotId; }

            protected:
                virtual InventoryResult CanStore(Item* pItem, bool swap) = 0;

                Guild* m_pGuild;
                Player* m_pPlayer;
                uint8 m_container;
                uint8 m_slotId;
                Item* m_pItem;
                Item* m_pClonedItem;
                std::vector<ItemPosCount> m_vec;
        };

        class PlayerMoveItemData : public MoveItemData
        {
            public:
                PlayerMoveItemData(Guild* guild, Player* player, uint8 container, uint8 slotId) :
                    MoveItemData(guild, player, container, slotId) { }

                bool IsBank() const override { return false; }
                bool InitItem() override;
                void RemoveItem(CharacterDatabaseTransaction trans, MoveItemData* pOther, uint32 splitedAmount = 0) override;
                Item* StoreItem(CharacterDatabaseTransaction trans, Item* pItem) override;
                void LogBankEvent(CharacterDatabaseTransaction trans, MoveItemData* pFrom, uint32 count) const override;
            protected:
                InventoryResult CanStore(Item* pItem, bool swap) override;
        };

        class BankMoveItemData : public MoveItemData
        {
            public:
                BankMoveItemData(Guild* guild, Player* player, uint8 container, uint8 slotId) :
                    MoveItemData(guild, player, container, slotId) { }

                bool IsBank() const override { return true; }
                bool InitItem() override;
                bool HasStoreRights(MoveItemData* pOther) const override;
                bool HasWithdrawRights(MoveItemData* pOther) const override;
                void RemoveItem(CharacterDatabaseTransaction trans, MoveItemData* pOther, uint32 splitedAmount) override;
                Item* StoreItem(CharacterDatabaseTransaction trans, Item* pItem) override;
                void LogBankEvent(CharacterDatabaseTransaction trans, MoveItemData* pFrom, uint32 count) const override;
                void LogAction(MoveItemData* pFrom) const override;

            protected:
                InventoryResult CanStore(Item* pItem, bool swap) override;

            private:
                Item* _StoreItem(CharacterDatabaseTransaction trans, BankTab* pTab, Item* pItem, ItemPosCount& pos, bool clone) const;
                bool _ReserveSpace(uint8 slotId, Item* pItem, Item* pItemDest, uint32& count);
                void CanStoreItemInTab(Item* pItem, uint8 skipSlotId, bool merge, uint32& count);
        };

    public:
        static void SendCommandResult(WorldSession* session, GuildCommandType type, GuildCommandError errCode, std::string_view param = "");
        static void SendSaveEmblemResult(WorldSession* session, GuildEmblemError errCode);

        Guild();
        ~Guild();

        bool Create(Player* pLeader, std::string_view name);
        void Disband();

        // Getters
        ObjectGuid::LowType GetId() const { return m_id; }
        ObjectGuid GetLeaderGUID() const { return m_leaderGuid; }
        std::string const& GetName() const { return m_name; }
        std::string const& GetMOTD() const { return m_motd; }
        std::string const& GetInfo() const { return m_info; }
        uint32 GetMemberCount() const { return m_members.size(); }
        time_t GetCreatedDate() const { return m_createdDate; }
        uint64 GetBankMoney() const { return m_bankMoney; }

        bool SetName(std::string_view name);

        // Handle client commands
        void HandleRoster(WorldSession* session);
        void HandleQuery(WorldSession* session);
        void HandleSetMOTD(WorldSession* session, std::string_view motd);
        void HandleSetInfo(WorldSession* session, std::string_view info);
        void HandleSetEmblem(WorldSession* session, EmblemInfo const& emblemInfo);
        void HandleSetLeader(WorldSession* session, std::string_view name);
        void HandleSetBankTabInfo(WorldSession* session, uint8 tabId, std::string_view name, std::string_view icon);
        void HandleSetMemberNote(WorldSession* session, std::string_view name, std::string_view note, bool officer);
        void HandleSetRankInfo(WorldSession* session, uint8 rankId, std::string_view name, uint32 rights, uint32 moneyPerDay, std::array<GuildBankRightsAndSlots, GUILD_BANK_MAX_TABS> const& rightsAndSlots);
        void HandleBuyBankTab(WorldSession* session, uint8 tabId);
        void HandleInviteMember(WorldSession* session, std::string_view name);
        void HandleAcceptMember(WorldSession* session);
        void HandleLeaveMember(WorldSession* session);
        void HandleRemoveMember(WorldSession* session, std::string_view name);
        void HandleUpdateMemberRank(WorldSession* session, std::string_view name, bool demote);
        void HandleAddNewRank(WorldSession* session, std::string_view name);
        void HandleRemoveRank(WorldSession* session, uint8 rankId);
        void HandleRemoveLowestRank(WorldSession* session);
        void HandleMemberDepositMoney(WorldSession* session, uint32 amount);
        bool HandleMemberWithdrawMoney(WorldSession* session, uint32 amount, bool repair = false);
        void HandleMemberLogout(WorldSession* session);
        void HandleDisband(WorldSession* session);

        void UpdateMemberData(Player* player, uint8 dataid, uint32 value);
        void OnPlayerStatusChange(Player* player, uint32 flag, bool state);

        // Send info to client
        void SendInfo(WorldSession* session) const;
        void SendEventLog(WorldSession* session) const;
        void SendBankLog(WorldSession* session, uint8 tabId) const;
        void SendBankTabsInfo(WorldSession* session, bool showTabs = false) const;
        void SendBankTabData(WorldSession* session, uint8 tabId, bool sendAllSlots) const;
        void SendBankTabText(WorldSession* session, uint8 tabId) const;
        void SendPermissions(WorldSession* session) const;
        void SendMoneyInfo(WorldSession* session) const;
        void SendLoginInfo(WorldSession* session);

        // Load from DB
        bool LoadFromDB(Field* fields);
        void LoadRankFromDB(Field* fields);
        bool LoadMemberFromDB(Field* fields);
        bool LoadEventLogFromDB(Field* fields);
        void LoadBankRightFromDB(Field* fields);
        void LoadBankTabFromDB(Field* fields);
        bool LoadBankEventLogFromDB(Field* fields);
        bool LoadBankItemFromDB(Field* fields);
        bool Validate();

        // Broadcasts
        void BroadcastToGuild(WorldSession* session, bool officerOnly, std::string_view msg, uint32 language = LANG_UNIVERSAL) const;
        void BroadcastPacketToRank(WorldPacket const* packet, uint8 rankId) const;
        void BroadcastPacket(WorldPacket const* packet) const;

        void MassInviteToEvent(WorldSession* session, uint32 minLevel, uint32 maxLevel, uint32 minRank);

        template<class Do>
        void BroadcastWorker(Do& _do, Player* except = nullptr)
        {
            for (auto itr = m_members.begin(); itr != m_members.end(); ++itr)
                if (Player* player = itr->second.FindConnectedPlayer())
                    if (player != except)
                        _do(player);
        }

        // Members
        // Adds member to guild. If rankId == GUILD_RANK_NONE, lowest rank is assigned.
        bool AddMember(CharacterDatabaseTransaction trans, ObjectGuid guid, uint8 rankId = GUILD_RANK_NONE);
        bool DeleteMember(CharacterDatabaseTransaction trans, ObjectGuid guid, bool isDisbanding = false, bool isKicked = false);
        bool ChangeMemberRank(CharacterDatabaseTransaction trans, ObjectGuid guid, uint8 newRank);
        bool IsMember(ObjectGuid guid) const;
        uint64 GetMemberAvailableMoneyForRepairItems(ObjectGuid guid) const;

        // Bank
        void SwapItems(Player* player, uint8 tabId, uint8 slotId, uint8 destTabId, uint8 destSlotId, uint32 splitedAmount);
        void SwapItemsWithInventory(Player* player, bool toChar, uint8 tabId, uint8 slotId, uint8 playerBag, uint8 playerSlotId, uint32 splitedAmount);

        // Bank tabs
        void SetBankTabText(uint8 tabId, std::string_view text);

        void ResetTimes();

        Trinity::unique_weak_ptr<Guild> GetWeakPtr() const { return m_weakRef; }
        void SetWeakPtr(Trinity::unique_weak_ptr<Guild> weakRef) { m_weakRef = std::move(weakRef); }

    protected:
        ObjectGuid::LowType m_id;
        std::string m_name;
        ObjectGuid m_leaderGuid;
        std::string m_motd;
        std::string m_info;
        time_t m_createdDate;

        EmblemInfo m_emblemInfo;
        uint32 m_accountsNumber;
        uint64 m_bankMoney;

        std::vector<RankInfo> m_ranks;
        std::unordered_map<uint32, Member> m_members;
        std::vector<BankTab> m_bankTabs;

        // These are actually ordered lists. The first element is the oldest entry.
        LogHolder<EventLogEntry> m_eventLog;
        std::array<LogHolder<BankEventLogEntry>, GUILD_BANK_MAX_TABS + 1> m_bankEventLog = {};

        Trinity::unique_weak_ptr<Guild> m_weakRef;

    private:
        inline uint8 _GetRanksSize() const { return uint8(m_ranks.size()); }
        inline RankInfo const* GetRankInfo(uint8 rankId) const { return rankId < _GetRanksSize() ? &m_ranks[rankId] : nullptr; }
        inline RankInfo* GetRankInfo(uint8 rankId) { return rankId < _GetRanksSize() ? &m_ranks[rankId] : nullptr; }
        bool _HasRankRight(Player* player, uint32 right) const;

        inline uint8 _GetLowestRankId() const { return uint8(m_ranks.size() - 1); }

        inline uint8 _GetPurchasedTabsSize() const { return uint8(m_bankTabs.size()); }
        inline BankTab* GetBankTab(uint8 tabId) { return tabId < m_bankTabs.size() ? &m_bankTabs[tabId] : nullptr; }
        inline BankTab const* GetBankTab(uint8 tabId) const { return tabId < m_bankTabs.size() ? &m_bankTabs[tabId] : nullptr; }

        inline Member const* GetMember(ObjectGuid guid) const
        {
            auto itr = m_members.find(guid.GetCounter());
            return (itr != m_members.end()) ? &itr->second : nullptr;
        }

        inline Member* GetMember(ObjectGuid guid)
        {
            auto itr = m_members.find(guid.GetCounter());
            return (itr != m_members.end()) ? &itr->second : nullptr;
        }

        inline Member* GetMember(std::string_view name)
        {
            for (auto itr = m_members.begin(); itr != m_members.end(); ++itr)
                if (itr->second.GetName() == name)
                    return &itr->second;

            return nullptr;
        }

        static void _DeleteMemberFromDB(CharacterDatabaseTransaction trans, ObjectGuid::LowType lowguid);

        // Tries to create new bank tab
        void _CreateNewBankTab();
        // Creates default guild ranks with names in given locale
        void _CreateDefaultGuildRanks(CharacterDatabaseTransaction trans, LocaleConstant loc);
        // Creates new rank
        bool _CreateRank(CharacterDatabaseTransaction trans, std::string_view name, uint32 rights);
        // Update account number when member added/removed from guild
        void _UpdateAccountsNumber();
        bool _IsLeader(Player* player) const;
        void _DeleteBankItems(CharacterDatabaseTransaction trans, bool removeItemsFromDB = false);
        bool _ModifyBankMoney(CharacterDatabaseTransaction trans, uint64 amount, bool add);
        void _SetLeaderGUID(Member& pLeader);

        void _SetRankBankMoneyPerDay(uint8 rankId, uint32 moneyPerDay);
        void _SetRankBankTabRightsAndSlots(uint8 rankId, GuildBankRightsAndSlots rightsAndSlots, bool saveToDB = true);
        int8 _GetRankBankTabRights(uint8 rankId, uint8 tabId) const;
        uint32 _GetRankRights(uint8 rankId) const;
        int32 _GetRankBankMoneyPerDay(uint8 rankId) const;
        int32 _GetRankBankTabSlotsPerDay(uint8 rankId, uint8 tabId) const;
        std::string _GetRankName(uint8 rankId) const;

        int32 _GetMemberRemainingSlots(Member const& member, uint8 tabId) const;
        int32 _GetMemberRemainingMoney(Member const& member) const;
        void _UpdateMemberWithdrawSlots(CharacterDatabaseTransaction trans, ObjectGuid guid, uint8 tabId);
        bool _MemberHasTabRights(ObjectGuid guid, uint8 tabId, uint32 rights) const;

        void _LogEvent(GuildEventLogTypes eventType, ObjectGuid::LowType playerGuid1, ObjectGuid::LowType playerGuid2 = 0, uint8 newRank = 0);
        void _LogBankEvent(CharacterDatabaseTransaction trans, GuildBankEventLogTypes eventType, uint8 tabId, ObjectGuid::LowType playerGuid, uint32 itemOrMoney, uint16 itemStackCount = 0, uint8 destTabId = 0);

        Item* _GetItem(uint8 tabId, uint8 slotId) const;
        void _RemoveItem(CharacterDatabaseTransaction trans, uint8 tabId, uint8 slotId);
        void _MoveItems(MoveItemData* pSrc, MoveItemData* pDest, uint32 splitedAmount);
        bool _DoItemsMove(MoveItemData* pSrc, MoveItemData* pDest, bool sendError, uint32 splitedAmount = 0);

        void _SendBankContent(WorldSession* session, uint8 tabId, bool sendAllSlots) const;
        void _SendBankMoneyUpdate(WorldSession* session) const;
        void _SendBankContentUpdate(MoveItemData* pSrc, MoveItemData* pDest) const;
        void _SendBankContentUpdate(uint8 tabId, SlotIds slots) const;
        void _SendBankList(WorldSession* session = nullptr, uint8 tabId = 0, bool sendFullSlots = false, SlotIds* slots = nullptr) const;

        void _BroadcastEvent(GuildEvents guildEvent, ObjectGuid guid, Optional<std::string_view> param1 = {}, Optional<std::string_view> param2 = {}, Optional<std::string_view> param3 = {}) const;
};
#endif