using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;



using ServerCore; using ServerBase;
using ServerCommon;



namespace GameServer
{
    public abstract class EntityLoaderBase : SimpleEventTriggerBase
    {
        private Player m_owner;

        private ConcurrentDictionary<Type, List<DynamoDbDocBase>> m_to_read_doc_bases = new();

        private bool m_is_completed_prepare_load = false;

        private readonly Result m_load_result = new();

        public EntityLoaderBase(Player owner)
        {
            m_owner = owner;
            m_load_result.set(ServerErrorCode.ResultCodeNotSet, $"Result Code not set !!!");
        }

        public abstract Task<Result> onPrepareLoad();

        public bool isCompletedPrepareLoad() => m_is_completed_prepare_load;

        public void setCompetedPrepareLoad(bool isTrue) => m_is_completed_prepare_load = isTrue;

        protected Result addToReadDocBase(DynamoDbDocBase docBase)
        {
            var result = new Result();
            var err_msg = string.Empty;

            if (false == m_to_read_doc_bases.TryGetValue(docBase.GetType(), out var found_doc_bases))
            {
                found_doc_bases = new List<DynamoDbDocBase>();
                m_to_read_doc_bases.TryAdd(docBase.GetType(), found_doc_bases);
            }

            found_doc_bases.Add(docBase);

            return result;
        }

        public ConcurrentDictionary<Type, List<DynamoDbDocBase>> getToReadDocBases() => m_to_read_doc_bases;

        public Result getLoadResult() => m_load_result;

        public Player getOwner() => m_owner;
    }
}