/*
 * 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_TRADE_PACKETS_H
#define TRINITYCORE_TRADE_PACKETS_H

#include "Packet.h"
#include "ItemPacketsCommon.h"
#include "ObjectGuid.h"
#include "SharedDefines.h"

namespace WorldPackets
{
    namespace Trade
    {
        class AcceptTrade final : public ClientPacket
        {
        public:
            explicit AcceptTrade(WorldPacket&& packet) : ClientPacket(CMSG_ACCEPT_TRADE, std::move(packet)) { }

            void Read() override;

            uint32 StateIndex = 0;
        };

        class BeginTrade final : public ClientPacket
        {
        public:
            explicit BeginTrade(WorldPacket&& packet) : ClientPacket(CMSG_BEGIN_TRADE, std::move(packet)) { }

            void Read() override { }
        };

        class BusyTrade final : public ClientPacket
        {
        public:
            explicit BusyTrade(WorldPacket&& packet) : ClientPacket(CMSG_BUSY_TRADE, std::move(packet)) { }

            void Read() override { }
        };

        class CancelTrade final : public ClientPacket
        {
        public:
            explicit CancelTrade(WorldPacket&& packet) : ClientPacket(CMSG_CANCEL_TRADE, std::move(packet)) { }

            void Read() override { }
        };

        class ClearTradeItem final : public ClientPacket
        {
        public:
            explicit ClearTradeItem(WorldPacket&& packet) : ClientPacket(CMSG_CLEAR_TRADE_ITEM, std::move(packet)) { }

            void Read() override;

            uint8 TradeSlot = 0;
        };

        class IgnoreTrade final : public ClientPacket
        {
        public:
            explicit IgnoreTrade(WorldPacket&& packet) : ClientPacket(CMSG_IGNORE_TRADE, std::move(packet)) { }

            void Read() override { }
        };

        class InitiateTrade final : public ClientPacket
        {
        public:
            explicit InitiateTrade(WorldPacket&& packet) : ClientPacket(CMSG_INITIATE_TRADE, std::move(packet)) { }

            void Read() override;

            ObjectGuid Guid;
        };

        class SetTradeCurrency final : public ClientPacket
        {
        public:
            explicit SetTradeCurrency(WorldPacket&& packet) : ClientPacket(CMSG_SET_TRADE_CURRENCY, std::move(packet)) { }

            void Read() override;

            uint32 Type = 0;
            uint32 Quantity = 0;
        };

        class SetTradeGold final : public ClientPacket
        {
        public:
            explicit SetTradeGold(WorldPacket&& packet) : ClientPacket(CMSG_SET_TRADE_GOLD, std::move(packet)) { }

            void Read() override;

            uint64 Coinage = 0;
        };

        class SetTradeItem final : public ClientPacket
        {
        public:
            explicit SetTradeItem(WorldPacket&& packet) : ClientPacket(CMSG_SET_TRADE_ITEM, std::move(packet)) { }

            void Read() override;

            uint8 TradeSlot = 0;
            uint8 PackSlot = 0;
            uint8 ItemSlotInPack = 0;
        };

        class UnacceptTrade final : public ClientPacket
        {
        public:
            explicit UnacceptTrade(WorldPacket&& packet) : ClientPacket(CMSG_UNACCEPT_TRADE, std::move(packet)) { }

            void Read() override { }
        };

        class TradeStatus final : public ServerPacket
        {
        public:
            explicit TradeStatus() : ServerPacket(SMSG_TRADE_STATUS, 1 + 1 + 16 + 4 + 4 + 1 + 4 + 4 + 4 + 1) { }

            WorldPacket const* Write() override;

            ::TradeStatus Status = TRADE_STATUS_INITIATED;
            uint8 TradeSlot = 0;
            ObjectGuid PartnerAccount;
            ObjectGuid Partner;
            int32 CurrencyType = 0;
            int32 CurrencyQuantity = 0;
            bool FailureForYou = false;
            int32 BagResult = 0;
            uint32 ItemID = 0;
            uint32 ID = 0;
            bool PartnerIsSameBnetAccount = false;
        };

        struct UnwrappedTradeItem
        {
            int32 EnchantID = 0;
            int32 OnUseEnchantmentID = 0;
            ObjectGuid Creator;
            int32 Charges = 0;
            bool Lock = false;
            uint32 MaxDurability = 0;
            uint32 Durability = 0;
            std::vector<Item::ItemGemData> Gems;
        };

        struct TradeItem
        {
            uint8 Slot = 0;
            Item::ItemInstance Item;
            int32 StackCount = 0;
            ObjectGuid GiftCreator;
            Optional<UnwrappedTradeItem> Unwrapped;
        };

        class TradeUpdated final : public ServerPacket
        {
        public:
            explicit TradeUpdated() : ServerPacket(SMSG_TRADE_UPDATED, 8 + 4 + 1 + 4 + 7 * sizeof(UnwrappedTradeItem) + 4 + 4 + 4 + 4) { }

            WorldPacket const* Write() override;

            uint64 Gold = 0;
            uint32 CurrentStateIndex = 0;
            uint8 WhichPlayer = 0;
            uint32 ClientStateIndex = 0;
            std::vector<TradeItem> Items;
            int32 CurrencyType = 0;
            uint32 ID = 0;
            int32 ProposedEnchantment = 0;
            int32 CurrencyQuantity = 0;
        };
    }
}

#endif // TRINITYCORE_TRADE_PACKETS_H