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


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


namespace GameServer;

public class DBQDailyQuestCheckReadAll : QueryExecutorBase
{
    private string m_combination_key_for_pk = string.Empty;
    private string m_pk = string.Empty;
    
    private readonly List<DailyQuestCheckDoc> m_to_read_daily_quest_check_doc = new();
    
    public DBQDailyQuestCheckReadAll(string combinationKeyForPK /*onwer_guid*/)
        : base(typeof(DBQDailyQuestCheckReadAll).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 DailyQuestCheckDoc(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);

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

        m_pk = doc.getPK();

        return Task.FromResult(result);
    }

    //===================================================================================================
    // onPrepareQuery()를 성공할 경우 호출된다.
    //===================================================================================================
    public override async 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 daily_quest_check_attribute = owner.getEntityAttribute<DailyQuestCheckAttribute>();
        NullReferenceCheckHelper.throwIfNull(daily_quest_check_attribute, () => "daily_quest_check_attribute is null !!!");

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

        var quest_action = owner.getEntityAction<QuestAction>();
        NullReferenceCheckHelper.throwIfNull(quest_action, () => "quest_action is null !!!");

        foreach (var read_doc in read_docs)
        {
            var set_result = quest_action.setQuestCheckFromDoc(read_doc);
            if (set_result.isFail())
            {
                Log.getLogger().error(result.toBasicString());
                continue;
            }
        }

        return result;
    }

    //===================================================================================================
    // DB 쿼리를 성공하고, doFnCommit()가 QueryResultType.NotCalledQueryFunc를 반환할 경우 호출된다.
    //===================================================================================================
    public override Task onQueryResponseCommit()
    {
        return Task.CompletedTask;
    }

    //===================================================================================================
    // DB 쿼리를 실패하고, doFnRollback()가 QueryResultType.NotCalledQueryFunc를 반환할 경우 호출된다.
    //===================================================================================================
    public override Task onQueryResponseRollback(Result errorResult)
    {
        return Task.CompletedTask;
    }
    
    private new Player? getOwner() => getQueryBatch()?.getLogActor() as Player;
}