using Google.Protobuf;
using Google.Protobuf.WellKnownTypes;


using ServerCore;
using ServerBase;
using ServerCommon;
using ServerCommon.BusinessLogDomain;
using MetaAssets;


using static ClientToGameRes.Types;


namespace GameServer.PacketHandler;


[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.C2GS_REQ_MODIFY_LAND_INFO), typeof(ModifyLandInfoPacketHandler), typeof(GameLoginListener))]
internal class ModifyLandInfoPacketHandler : PacketRecvHandler
{
    public static bool send_S2C_ACK_MODIFY_LAND_INFO(Player owner, Result result, GS2C_ACK_MODIFY_LAND_INFO res)
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();

        ack_packet.Response.ErrorCode = result.ErrorCode;
        ack_packet.Response.AckModifyLandInfo = res;

        if (false == GameServerApp.getServerLogic().onSendPacket(owner, ack_packet))
        {
            return false;
        }

        return true;
    }

    public override async Task<Result> onProcessPacket(ISession entityWithSession, Google.Protobuf.IMessage recvMessage)
    {
        var result = new Result();
        var err_msg = string.Empty;

        var player = entityWithSession as Player;
        NullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!!");

        var server_logic = GameServerApp.getServerLogic();

        var req_msg = recvMessage as ClientToGame;
        NullReferenceCheckHelper.throwIfNull(req_msg, () => $"req_msg is null !!! - {player.toBasicString()}");

        var request = req_msg.Request.ReqModifyLandInfo;
        var res = new GS2C_ACK_MODIFY_LAND_INFO();

        var fn_transaction_runner = async delegate ()
        {
            var result = new Result();

            if (!MetaData.Instance._LandTable.TryGetValue(request.LandMetaId, out var land_meta_data))
            {
                err_msg = $"Failed to MetaData.TryGetValue() !!! : LandMetaId:{request.LandMetaId} - {player.toBasicString()}";
                result.setFail(ServerErrorCode.LandMetaDataNotFound, err_msg);
                Log.getLogger().error(result.toBasicString());

                send_S2C_ACK_MODIFY_LAND_INFO(player, result, res);
                return result;
            }

            if (!MapManager.Instance.GetLandMapTree(request.LandMetaId, out var land_map_tree))
            {
                err_msg = $"Failed to GetLandMapTree() !!! : LandMetaId:{request.LandMetaId} - {player.toBasicString()}";
                result.setFail(ServerErrorCode.LandMapTreeDataNotFound, err_msg);
                Log.getLogger().error(result.toBasicString());

                send_S2C_ACK_MODIFY_LAND_INFO(player, result, res);
                return result;
            }

            var building_map_tree = land_map_tree.ChildBuildingMapTree;
            if (building_map_tree == null)
            {
                err_msg = $"Not Exist LandMapTree ChildBuilding !!! : LandMap:{land_map_tree.LandMapFileName} - {player.toBasicString()}";
                result.setFail(ServerErrorCode.LandMapTreeChildBuildingNotFound, err_msg);
                Log.getLogger().error(result.toBasicString());

                send_S2C_ACK_MODIFY_LAND_INFO(player, result, res);
                return result;
            }

            var owned_land_agent_action = player.getEntityAction<OwnedLandAgentAction>();
            NullReferenceCheckHelper.throwIfNull(owned_land_agent_action, () => $"owned_land_agent_action is null !!! - {player.toBasicString()}");

            if (!owned_land_agent_action.isOwnedLand(request.LandMetaId))
            {
                err_msg = $"Not Owned Land !!! : landMetaId:{request.LandMetaId} - {player.toBasicString()}";
                result.setFail(ServerErrorCode.OwnedLandNotFound, err_msg);
                Log.getLogger().error(result.toBasicString());

                send_S2C_ACK_MODIFY_LAND_INFO(player, result, res);
                return result;
            }

            if (!MetaData.Instance._RentalfeeTable.TryGetValue((land_meta_data.Editor, land_meta_data.LandSize), out var rentalfee_meta_data))
            {
                err_msg = $"Failed to MetaData.TryGetValue() !!! : Editor:{land_meta_data.Editor}, Size:{land_meta_data.LandSize} - {player.toBasicString()}";
                result.setFail(ServerErrorCode.RentalfeeMetaDataNotFound, err_msg);
                Log.getLogger().error(result.toBasicString());

                send_S2C_ACK_MODIFY_LAND_INFO(player, result, res);
                return result;
            }

            if (request.RentalCurrencyType != CurrencyType.Calium)
            {
                err_msg = $"RentalCurrencyType is Not Calium !!! : RentalCurrencyType:{request.RentalCurrencyType} - {player.toBasicString()}";
                result.setFail(ServerErrorCode.RentalCurrencyTypeIsWrong, err_msg);
                Log.getLogger().error(result.toBasicString());

                send_S2C_ACK_MODIFY_LAND_INFO(player, result, res);
                return result;
            }

            // Calium 일 경우 소수점 3째 자리에서 나머지 일 경우 소수점 1째 자리에서 반올림
            var digits = request.RentalCurrencyType == CurrencyType.Calium ? 2 : 0;
            var rental_currency_amount = Math.Round(request.RentalCurrencyAmount, digits);
            
            if (rental_currency_amount < rentalfee_meta_data.CustomMinRentalValue)
            {
                err_msg = $"Rental Currency Amount is Too Low !!! : ModifyRequest:{rental_currency_amount}, MinValue:{rentalfee_meta_data.CustomMinRentalValue} - {player.toBasicString()}";
                result.setFail(ServerErrorCode.RentalCurrencyAmountIsTooLow, err_msg);
                Log.getLogger().error(result.toBasicString());

                send_S2C_ACK_MODIFY_LAND_INFO(player, result, res);
                return result;
            }

            // 랜드
            var land_manager = server_logic.getLandManager();
            if (!land_manager.tryGetLand(request.LandMetaId, out var land))
            {
                err_msg = $"Failed to tryGetLand() !!! : landMetaId:{request.LandMetaId} - {player.toBasicString()}";
                result.setFail(ServerErrorCode.LandNotFound, err_msg);
                Log.getLogger().error(result.toBasicString());

                send_S2C_ACK_MODIFY_LAND_INFO(player, result, res);
                return result;
            }

            var land_action = land.getEntityAction<LandAction>();
            NullReferenceCheckHelper.throwIfNull(land_action, () => $"land_action is null !!! - {player.toBasicString()}");

            // 랜드 정보 수정
            (result, var land_doc) = await land_action.modifyLandInfo(request.LandName, request.LandDescription);
            if (result.isFail())
            {
                err_msg = $"Failed to modifyLandInfo() !!! : {result.toBasicString()}";
                Log.getLogger().error(err_msg);

                send_S2C_ACK_MODIFY_LAND_INFO(player, result, res);
                return result;
            }
            NullReferenceCheckHelper.throwIfNull(land_doc, () => $"land_doc is null !!! - {player.toBasicString()}");

            var land_log_info = land.toLandLogInfo();
            var land_business_log = new LandBusinessLog(land_log_info);

            // 빌딩
            var building_manager = server_logic.getBuildingManager();
            if (!building_manager.tryGetBuilding(building_map_tree.BuildingMetaId, out var building))
            {
                err_msg = $"Failed to tryGetBuilding() !!! : buildingMetaId:{building_map_tree.BuildingMetaId} - {player.toBasicString()}";
                result.setFail(ServerErrorCode.BuildingNotFound, err_msg);
                Log.getLogger().error(result.toBasicString());

                send_S2C_ACK_MODIFY_LAND_INFO(player, result, res);
                return result;
            }

            var building_action = building.getEntityAction<BuildingAction>();
            NullReferenceCheckHelper.throwIfNull(building_action, () => $"building_action is null !!! - {player.toBasicString()}");

            // 빌딩 정보 수정
            var is_rental_open = land_meta_data.RentalAvailable;
            if (land_meta_data.RentalStateSwitch && MetaHelper.GameConfigMeta.UseRentalStateSwitch)
                is_rental_open = request.IsRentalOpen == BoolType.True;
            
            (result, var building_doc) = await building_action.modifyBuildingInfo(request.BuildingName, request.BuildingDescription, request.RentalCurrencyType, rental_currency_amount, is_rental_open);
            if (result.isFail())
            {
                err_msg = $"Failed to modifyLandInfo() !!! : {result.toBasicString()}";
                Log.getLogger().error(err_msg);

                send_S2C_ACK_MODIFY_LAND_INFO(player, result, res);
                return result;
            }
            NullReferenceCheckHelper.throwIfNull(building_doc, () => $"building_doc is null !!! - {player.toBasicString()}");

            var building_log_info = building.toBuildingLogInfo();
            var building_business_log = new BuildingBusinessLog(building_log_info);

            var batch = new QueryBatchEx<QueryRunnerWithDocument>(player, LogActionType.ModifyLandInfo, server_logic.getDynamoDbClient());
            {
                batch.addQuery(new DBQWriteToAttributeAllWithTransactionRunner());
                batch.addQuery(new DBQEntityWrite(land_doc));
                batch.addQuery(new DBQEntityWrite(building_doc));
                batch.addQuery(new QueryFinal());
            }

            batch.appendBusinessLog(land_business_log);
            batch.appendBusinessLog(building_business_log);

            result = await QueryHelper.sendQueryAndBusinessLog(batch);
            if (result.isFail())
            {
                send_S2C_ACK_MODIFY_LAND_INFO(player, result, res);
                return result;
            }

            await LandNotifyHelper.sendNtfModifyLandInfo(land);
            await BuildingNotifyHelper.sendNtfModifyBuildingInfo(building);

            send_S2C_ACK_MODIFY_LAND_INFO(player, result, res);

            return result;
        };

        result = await player.runTransactionRunnerSafely(TransactionIdType.PrivateContents, "ModifyLandInfo", fn_transaction_runner);
        if (result.isFail())
        {
            err_msg = $"Failed to runTransactionRunnerSafely() !!! : {result.toBasicString()} - {player.toBasicString()}";
            Log.getLogger().error(err_msg);
        }

        return result;
    }
}