using System.Collections.Concurrent;
using Newtonsoft.Json;


using ServerCore;
using ServerBase;


using USER_GUID = System.String;

namespace ServerCommon;

public class DailyQuestCheckAttribute : EntityAttributeBase, ICopyEntityAttributeFromDoc, IMergeWithEntityAttribute
{
    public HashSet<UInt32> m_daily_sended_quest { get; set; } = new();
    
    public DateTime m_next_refresh_time { get; set; } = DateTimeHelper.Current.Date.AddDays(-1);

    public DailyQuestCheckDoc? m_daily_quest_check_doc_nullable { get; set; } = null;



    public DailyQuestCheckAttribute(EntityBase owner) : base(owner)
    {
        
    }
    
    public override void onClear()
    {
        getAttributeState().reset();
    }

    public override async Task<(Result, DynamoDbDocBase?)> toDocBase(bool isForQuery = true)
    {
        var owner = getOwner();

        var daily_quest_check_attribute = owner.getEntityAttribute<DailyQuestCheckAttribute>();
        NullReferenceCheckHelper.throwIfNull(daily_quest_check_attribute, () => $"daily_quest_check_attribute is null !!! - {owner.toBasicString()}");

        var user_attribute = owner.getRootParent().getEntityAttribute<UserAttribute>();
        NullReferenceCheckHelper.throwIfNull(user_attribute, () => $"user_attribute is null !!! - {owner.toBasicString()}");

        USER_GUID user_guid = user_attribute.UserGuid;

        //=====================================================================================
        // Attribute => try pending Doc
        //=====================================================================================
        var try_pending_doc = getTryPendingDocBase() as DailyQuestCheckDoc;
        if (null == try_pending_doc)
        {
            var to_copy_doc = new DailyQuestCheckDoc(user_guid);

            var origin_doc = getOriginDocBase<DailyQuestCheckAttribute>();
            if (null != origin_doc)
            {
                to_copy_doc.copyTimestampsFromOriginDocBase(origin_doc);
            }

            try_pending_doc = to_copy_doc;

            setTryPendingDocBase(try_pending_doc);
        }

        var to_copy_daily_quest_check_attrib = try_pending_doc.getAttrib<DailyQuestCheckAttrib>();
        NullReferenceCheckHelper.throwIfNull(to_copy_daily_quest_check_attrib, () => $"to_copy_daily_quest_check_attrib is null !!! - {owner.toBasicString()}");

        foreach (var id in m_daily_sended_quest)
        {
            to_copy_daily_quest_check_attrib.m_daily_sended_quest.Add(id);
        }
        to_copy_daily_quest_check_attrib.m_next_refresh_time = m_next_refresh_time;
        
        //=====================================================================================
        // Doc QueryType 반영
        //=====================================================================================
        (var result, var to_query_doc) = await applyDoc4Query(try_pending_doc);
        if (result.isFail())
        {
            return (result, null);
        }
        
        return (result, to_query_doc);
    }
    
    public override EntityAttributeBase onCloned()
    {
        var cloned = new DailyQuestCheckAttribute(getOwner());
        cloned.deepCopyFromBase(this);

        cloned.m_next_refresh_time = m_next_refresh_time;
        foreach (var id in m_daily_sended_quest)
        {
            cloned.m_daily_sended_quest.Add(id);
        }

        return cloned;
    }
    
    
    public Result onMerge(EntityAttributeBase otherEntityAttribute)
    {
        var result = new Result();
        var err_msg = string.Empty;

        if (getAttributeState().hasFlag(StateType.Removed))
        {
            return result;
        }

        var owner = getOwner();

        var other_attribute = otherEntityAttribute as DailyQuestCheckAttribute;
        if (null == other_attribute)
        {
            err_msg = $"Failed to cast DailyQuestCheckAttribute !!!, other_attribute is null";
            result.setFail(ServerErrorCode.ClassTypeCastIsNull, err_msg);
            Log.getLogger().error(result.toBasicString());

            return result;
        }

        //=====================================================================================
        // OtherAttribute => Attribute
        //=====================================================================================
        foreach (var id in other_attribute.m_daily_sended_quest)
        {
            m_daily_sended_quest.Add(id);
        }
        m_next_refresh_time = other_attribute.m_next_refresh_time;

        //=====================================================================================
        // Attribute Try Pending Doc => Origin Doc
        //=====================================================================================
        var try_pending_doc = other_attribute.getTryPendingDocBase() as DailyQuestCheckDoc;
        if (null != try_pending_doc)
        {
            other_attribute.resetTryPendingDocBase();

            syncOriginDocBaseWithNewDoc<DailyQuestCheckAttribute>(try_pending_doc);
        }

        var origin_doc_base = getOriginDocBase<DailyQuestCheckAttribute>();
        if (null == origin_doc_base)
        {
            // DB 에 저장되어 있지 않는 경우 OriginDoc은 null 이다 !!!
            return result;
        }

        var daily_quest_check_attrib = origin_doc_base.getAttrib<DailyQuestCheckAttrib>();
        NullReferenceCheckHelper.throwIfNull(daily_quest_check_attrib, () => $"daily_quest_check_attrib is null !!! - {owner.toBasicString()}");

        foreach (var id in m_daily_sended_quest)
        {
            daily_quest_check_attrib.m_daily_sended_quest.Add(id);
        }
        daily_quest_check_attrib.m_next_refresh_time = m_next_refresh_time;

        return result;
    }
    
    public bool copyEntityAttributeFromDoc(DynamoDbDocBase docBase)
    {
        var err_msg = string.Empty;

        var to_cast_string = typeof(DailyQuestCheckDoc).Name;

        var daily_quest_check_doc = docBase as DailyQuestCheckDoc;
        if (null == daily_quest_check_doc)
        {
            err_msg = $"Failed to copyEntityAttributeFromDoc() !!!, daily_quest_check_doc is null :{to_cast_string}";
            Log.getLogger().error(err_msg);
            return false;
        }

        //=====================================================================================
        // New Doc => Origin Doc
        //=====================================================================================
        syncOriginDocBaseWithNewDoc<DailyQuestCheckAttribute>(daily_quest_check_doc);

        //=====================================================================================
        // Doc => Attribute
        //=====================================================================================
        var daily_quest_check_attrib = daily_quest_check_doc.getAttrib<DailyQuestCheckAttrib>();
        NullReferenceCheckHelper.throwIfNull(daily_quest_check_attrib, () => $"daily_quest_check_attrib is null !!!");

        foreach (var id in daily_quest_check_attrib.m_daily_sended_quest)
        {
            m_daily_sended_quest.Add(id);
        }
        m_next_refresh_time = daily_quest_check_attrib.m_next_refresh_time;

        return true;
    }

    public override IEntityAttributeTransactor onNewEntityAttributeTransactor()
    {         
        return new DailyQuestCheckTransactor(getOwner());
    }
    
}

public class DailyQuestCheckTransactor : EntityAttributeTransactorBase<DailyQuestCheckAttribute>
{
    public DailyQuestCheckTransactor(EntityBase owner)
        : base(owner)
    {
    }

    public bool copyEntityAttributeTransactorBaseFromEntityAttribute(EntityAttributeBase? entityAttributeBase)
    {
        return true;
    }
}