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


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


namespace GameServer;

public class DBQSwitchingPropReadAll : QueryExecutorBase
{
    private string m_combination_key_for_pk = string.Empty;
    private string m_pk = string.Empty;


    public DBQSwitchingPropReadAll(string combinationKeyForPK /*onwer_guid*/) : base(typeof(DBQSwitchingPropReadAll).Name)
    {
        m_combination_key_for_pk = combinationKeyForPK;
    }
    
    
    //===================================================================================================
    // DB 쿼리 직전에 준비해야 할 로직들을 작성한다.
    //===================================================================================================
    public override Task<Result> onPrepareQuery()
    {
        var result = new Result();

        var player = getOwner();
        NullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!!");
        
        var doc = new SwitchingPropDoc(m_combination_key_for_pk);
        var error_code = doc.onApplyPKSK();
        if (error_code.isFail())
        {
            var err_msg = $"Failed to onApplyPKSK() !!! : {error_code.toBasicString()} - {toBasicString()}, {player.toBasicString()}";
            result.setFail(error_code, err_msg);

            ServerCore.Log.getLogger().error(result.toBasicString());
            return Task.FromResult(result);
        }

        m_pk = doc.getPK();

        return Task.FromResult(result);
    }

    
    //===================================================================================================
    // onPrepareQuery()를 성공할 경우 호출된다.
    //===================================================================================================
    public async override Task<Result> onQuery()
    {
        var result = new Result();
        var err_msg = string.Empty;

        var query_batch = getQueryBatch();
        NullReferenceCheckHelper.throwIfNull(query_batch, () => "query_batch is null !!!");
        var db_connector = query_batch.getDynamoDbConnector();
        var owner = getOwner();
        NullReferenceCheckHelper.throwIfNull(owner, () => "owner is null !!!");
        
        var switching_prop_attribute = owner.getEntityAttribute<SwitchingPropAttribute>();
        NullReferenceCheckHelper.throwIfNull(switching_prop_attribute, () => "switching_prop_attribute is null !!!");

        var query_config = db_connector.makeQueryConfigForReadByPKSK(m_pk);
        (result, var read_docs) = await db_connector.simpleQueryDocTypesWithQueryOperationConfig<SwitchingPropDoc>(query_config, eventTid: query_batch.getTransId());
        if (result.isFail())
        {
            //데이터 없으면 여기서 그냥 메모리에만 넣어준다.
            ServerCore.Log.getLogger().warn($"DailyQuestCheckDoc not exitst, so make new Data {result.toBasicString()}");
            
            return new();
        }

        
        
        foreach (var read_doc in read_docs)
        {
            var attrib = read_doc.getAttrib<SwitchingPropAttrib>();
            NullReferenceCheckHelper.throwIfNull(attrib, () => "attrib is null !!!");

            foreach (var prop in attrib.m_switching_props)
            {
                switching_prop_attribute.m_switching_props.AddOrUpdate(prop.Key, prop.Value, (key, old) => prop.Value);
            }
        }

        return result;
    }

    public override Task onQueryResponseCommit()
    {
        return Task.CompletedTask;
    }

    public override Task onQueryResponseRollback(Result errorResult)
    {
        return Task.CompletedTask;
    }
}