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


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


using static ClientToGameReq.Types;
using static ClientToGameRes.Types;


namespace GameServer.PacketHandler;


[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.C2GS_REQ_CONVERT_MATERIAL_TO_CALIUM), typeof(ConvertMaterialToCaliumPacketHandler), typeof(GameLoginListener))]
public class ConvertMaterialToCaliumPacketHandler : PacketRecvHandler
{
    private async Task send_S2C_ACK_CONVERT_MATERIAL_TO_CALIUM(Player owner, Result result, double totalCalium, float caliumForUser, List<Item>? items)
    {
        var ack_packet = new ClientToGame
        {
            Response = new ClientToGameRes
            {
                ErrorCode = result.ErrorCode,
                AckConvertMaterialToCalium = new()
            }
        };

        if (result.isSuccess())
        {
            ack_packet.Response.AckConvertMaterialToCalium.TotalCalium = totalCalium;
            ack_packet.Response.AckConvertMaterialToCalium.CaliumForUser = caliumForUser;
            
            if (null != items)
            {
                ack_packet.Response.AckConvertMaterialToCalium.DelItem.AddRange(items.Select(item => item.toItemData4Client()));
            }
            
            // char info 획득
            var account_attribute = owner.getOriginEntityAttribute<AccountAttribute>();
            var level_attribute = owner.getOriginEntityAttribute<LevelAttribute>();
            var money_attribute = owner.getOriginEntityAttribute<MoneyAttribute>();
            var nickname_attribute = owner.getOriginEntityAttribute<NicknameAttribute>();

            var char_info = new CharInfo
            {
                Level = (int)level_attribute!.Level,
                Exp = (int)level_attribute.Exp,
                    
                Gold = money_attribute!.Gold,
                Sapphire = money_attribute.Sapphire,
                Calium = money_attribute.Calium,
                Ruby = money_attribute.Ruby,
                    
                Usergroup = account_attribute!.AuthAdminLevelType.ToString(), 
                Operator = (int)account_attribute.AuthAdminLevelType,
                    
                DisplayName = nickname_attribute!.Nickname,
                LanguageInfo = (int)account_attribute.LanguageType,
                    
                IsIntroComplete = 1
            };
            
            ack_packet.Response.AckConvertMaterialToCalium.CurrencyInfo = char_info;
        }

        GameServerApp.getServerLogic().onSendPacket(owner, ack_packet);

        await Task.CompletedTask;
    }

    public override async Task<Result> onProcessPacket(ISession entityWithSession, IMessage recvMessage)
    {
        var result = new Result();
        string err_msg;
        var player = entityWithSession as Player;
        NullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!!");
        

        // 1. 기본 정보 체크
        var request = (recvMessage as ClientToGame)?.Request.ReqConvertMaterialToCalium;
        if (null == request)
        {
            err_msg = $"Failed to get request type !!! : {nameof(ClientToGame.Request.ReqConvertMaterialToCalium)}";
            result.setFail(ServerErrorCode.InvalidArgument, err_msg);
            Log.getLogger().error(result.toBasicString());

            await send_S2C_ACK_CONVERT_MATERIAL_TO_CALIUM(player, result, -1, -1, null);
            return result;
        }
        
        // 2. 변환 로직 시행
        result = await player.runTransactionRunnerSafely(TransactionIdType.PrivateContents, "CaliumConverterConvertMaterialToCalium", convertMaterialToCaliumDelegate);
        if (result.isFail())
        {
            err_msg = $"Failed to runTransactionRunnerSafely()!!! : {result.toBasicString()} - {player.toBasicString()}";
            Log.getLogger().error(err_msg);
            
            await send_S2C_ACK_CONVERT_MATERIAL_TO_CALIUM(player, result, -1, -1, null);
        }
        
        return result;

        async Task<Result> convertMaterialToCaliumDelegate() => await convertMaterialToCalium(player, request.UseMaterials.ToDictionary());
    }

    private async Task<Result> convertMaterialToCalium(Player player, Dictionary<int, int> useMaterials)
    {
        var server_logic = GameServerApp.getServerLogic();
        var result = new Result();
        
        var user_calium_action = player.getEntityAction<CaliumConverterAction>();
        NullReferenceCheckHelper.throwIfNull(user_calium_action, () => $"action is null !!!");
        
        var calium_storage_entity = GameServerApp.getServerLogic().findGlobalEntity<CaliumStorageEntity>();
        NullReferenceCheckHelper.throwIfNull(calium_storage_entity, () => $"caliuim_storage_entity is null !!! - {player.toBasicString()}");
        var calium_storage_action = calium_storage_entity.getEntityAction<CaliumStorageAction>();
        NullReferenceCheckHelper.throwIfNull(calium_storage_action, () => $"calium_storage_action is null !!! - {player.toBasicString()}");
        
        // 0. calium storage 체크
        result = await calium_storage_action.enableCaliumStorage();
        if (result.isFail()) return result;
        
        // 1. Convert 수량 계산
        var convert = await user_calium_action.calculationConvertCalium(useMaterials);
        
        // 2. Convert 조건 체크
        result = user_calium_action.checkConvertConditions(useMaterials, convert.calium, convert.currency);
        if (result.isFail()) return result;

        // 3. Item 제거
        var delete_materials = await user_calium_action.deleteMaterials(useMaterials);
        if (delete_materials.result.isFail()) return delete_materials.result;
        
        NullReferenceCheckHelper.throwIfNull(delete_materials.items, () => $"delete_materials.items is null !!!");
        
        // 4. 재화 변경
        result = await user_calium_action.changeCurrency(convert.calium, MetaHelper.GameConfigMeta.CaliumConverterCommissionType, convert.currency);
        if (result.isFail()) return result;
        
        // 5. 개인 calium converter 정보 수정
        result = user_calium_action.changeDailyCalium(player, convert.calium);
        if (result.isFail()) return result;
        
        var delta = -1 * convert.calium;
        var total_calium = CaliumStorageHelper.AddDoubleByLong(calium_storage_action.getTotalCalium(CaliumStorageType.Converter), delta);
        
        // 6. DB 갱신
        {
            var batch = new QueryBatchEx<QueryRunnerWithItemRequest>(player, LogActionType.ConvertCalium, GameServerApp.getServerLogic().getDynamoDbClient(), true);
            batch.addQuery(new DBQWriteToAttributeAllWithTransactionRunner());
            batch.addQuery(new DBQStorageCaliumUpdate(CaliumStorageType.Converter, delta));
            
            writeBusinessLog(player, batch, total_calium, convert.calium);
            
            result = await QueryHelper.sendQueryAndBusinessLog(batch);
            if (result.isFail()) return result;
        }
        
        // 7. Calium Storage 재로딩
        _ = await calium_storage_action.loadStorageAttribute();
        
        // 8. 변경사항 전송
        var calium_event_action = calium_storage_entity.getEntityAction<CaliumEventAction>();
        NullReferenceCheckHelper.throwIfNull(calium_event_action, () => $"calium_event_action is null !!! - {player.toBasicString()}");
        await calium_event_action.sendCaliumEventFromPlayer(player, CaliumEventType.extra_get, "컨버터 교환", -1 * convert.currency, 0);

        // 9. Response 응답
        var user_calium_attribute = player.getEntityAttribute<CaliumAttribute>();
        NullReferenceCheckHelper.throwIfNull(user_calium_attribute, () => $"user_calium_attribute is null !!! - {player.toBasicString()}");
        
        await send_S2C_ACK_CONVERT_MATERIAL_TO_CALIUM(player, result, total_calium, (float)user_calium_attribute.DailyCalium, delete_materials.items.ToList());
        
        // 10. 정보 변경 통보
        calium_storage_action.sendChangeStorageInfo();
        
        return result;
    }

    private void writeBusinessLog(Player player, QueryBatchBase queryBatchBase, double converterTotalCalium, double obtainCalium)
    {
        var user_calium_attribute = player.getEntityAttribute<CaliumAttribute>();
        NullReferenceCheckHelper.throwIfNull(user_calium_attribute, () => $"CaliumAttribute is null !!! - {player.toBasicString()}");
        
        // Converter Calium 변화량 기록
        var calium_log_data = new CaliumConverterLogData();
        calium_log_data.CurrentDailyCalium = user_calium_attribute.DailyCalium;
        calium_log_data.CurrentTotalCalium = converterTotalCalium;
        calium_log_data.DeltaDailyCalium = obtainCalium;
        calium_log_data.DeltaTotalCalium = obtainCalium;
        calium_log_data.AmountDeltaType = AmountDeltaType.Consume;
        
        var calium_business_log = new CaliumBusinessLog(calium_log_data);
        queryBatchBase.appendBusinessLog(calium_business_log);
    }
}