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


using Newtonsoft.Json;


using ServerCore; using ServerBase;


namespace ServerCommon
{
    public class NoticeChatAttribute : EntityAttributeBase, ICopyEntityAttributeFromDoc, IMergeWithEntityAttribute
    {
        [JsonProperty]
        public Int32 ChatId { get; set; } = 0;

        [JsonProperty]
        public DateTime NextNoticeTime { get; set; } = new();

        [JsonProperty]
        public Int32 RepeatMinuteTime { get; set; } = 0;

        [JsonProperty]
        public Int32 RepeatCount { get; set; } = 0;

        [JsonProperty]
        public string Sender { get; set; } = string.Empty;

        [JsonProperty]
        public Int32 MessageType { get; set; } = 0;


        public List<NoticeChatDetail> DetailList { get; set; } = new();

        public NoticeChatAttribute(EntityBase owner)
            : base(owner)
        {
        }

        public override void onClear()
        {
            ChatId = 0;
            NextNoticeTime = new();
            RepeatMinuteTime = 0;
            RepeatCount = 0;
            Sender = string.Empty;
            MessageType = 0;
            DetailList = new List<NoticeChatDetail>();

            getAttributeState().reset();
        }

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

        public override EntityAttributeBase onCloned()
        {
            var cloned = new NoticeChatAttribute(getOwner());
            cloned.ChatId = ChatId;
            cloned.NextNoticeTime = NextNoticeTime;
            cloned.RepeatMinuteTime = RepeatMinuteTime;
            cloned.RepeatCount = RepeatCount;
            cloned.Sender = Sender;
            cloned.MessageType = MessageType;
            cloned.DetailList = DetailList.Select(x => new NoticeChatDetail() { ChatMessage = x.ChatMessage, Languagetype = x.Languagetype }).ToList();

            return cloned;
        }

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

            //=====================================================================================
            // Attribute => try pending Doc
            //=====================================================================================
            var try_pending_doc = getTryPendingDocBase() as NoticeChatDoc;
            if (null == try_pending_doc)
            {
                var to_copy_doc = new NoticeChatDoc(ChatId.ToString());
                var origin_doc = getOriginDocBase<NoticeChatAttribute>();
                if (null != origin_doc)
                {
                    to_copy_doc.copyTimestampsFromOriginDocBase(origin_doc);
                }

                try_pending_doc = to_copy_doc;
                setTryPendingDocBase(try_pending_doc);
            }
            

            var to_copy_doc_attrib = try_pending_doc.getAttrib<NoticeChatAttrib>();
            NullReferenceCheckHelper.throwIfNull(to_copy_doc_attrib, () => $"to_copy_doc_attrib NoticeChatAttrib is null !!!");

            to_copy_doc_attrib.ChatId = ChatId;
            to_copy_doc_attrib.NextNoticeTime = NextNoticeTime;
            to_copy_doc_attrib.RepeatMinuteTime = RepeatMinuteTime;
            to_copy_doc_attrib.RepeatCount = RepeatCount;
            to_copy_doc_attrib.Sender = Sender;
            to_copy_doc_attrib.MessageType = MessageType;
            to_copy_doc_attrib.DetailList = DetailList.Select(x => new NoticeChatDetail() { ChatMessage = x.ChatMessage, Languagetype = x.Languagetype }).ToList();

            if (false == isForQuery)
            {
                return (result, try_pending_doc);
            }

            //=====================================================================================
            // Doc QueryType 반영
            //=====================================================================================
            (result, var to_query_doc) = await applyDoc4Query(try_pending_doc);
            if (result.isFail())
            {
                return (result, null);
            }

            return (result, to_query_doc);
        }

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

            var to_cast_string = typeof(NoticeChatDoc).Name;

            var notice_chat_doc_base = docBase as NoticeChatDoc;
            if (null == notice_chat_doc_base)
            {
                err_msg = $"Failed to copyEntityAttributeFromDoc() !!!, notice_chat_doc_base is null :{to_cast_string}";
                Log.getLogger().error(err_msg);
                return false;
            }
            //=====================================================================================
            // New Doc => Origin Doc
            //=====================================================================================
            syncOriginDocBaseWithNewDoc<NoticeChatAttribute>(notice_chat_doc_base);
            

            //=====================================================================================
            // Doc => Attribute
            //=====================================================================================

            var noticechat_attrib = notice_chat_doc_base.getAttrib<NoticeChatAttrib>();
            NullReferenceCheckHelper.throwIfNull(noticechat_attrib, () => $"noticechat_attrib is null !!!");
            

            ChatId = noticechat_attrib.ChatId;
            NextNoticeTime = noticechat_attrib.NextNoticeTime;
            RepeatMinuteTime = noticechat_attrib.RepeatMinuteTime;
            RepeatCount = noticechat_attrib.RepeatCount;
            Sender = noticechat_attrib.Sender;
            MessageType = noticechat_attrib.MessageType;
            DetailList = noticechat_attrib.DetailList.Select(x => new NoticeChatDetail() { ChatMessage = x.ChatMessage, Languagetype = x.Languagetype }).ToList();

            return true;
        }

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

            if (null == otherEntityAttribute)
            {
                err_msg = $"Invalid Param !!!, otherEntityAttribute is null";
                result.setFail(ServerErrorCode.FunctionParamNull, err_msg);
                Log.getLogger().error(result.toBasicString());

                return result;
            }

            //=====================================================================================
            // OtherAttribute => Attribute
            //=====================================================================================
            var notice_chat_attribute = otherEntityAttribute as NoticeChatAttribute;
            if (null == notice_chat_attribute)
            {
                err_msg = $"Failed to cast NoticeChatAttribute !!!, notice_chat_attribute is null";
                result.setFail(ServerErrorCode.ClassTypeCastIsNull, err_msg);
                Log.getLogger().error(result.toBasicString());

                return result; 
            }

            ChatId = notice_chat_attribute.ChatId;
            NextNoticeTime = notice_chat_attribute.NextNoticeTime;
            RepeatMinuteTime = notice_chat_attribute.RepeatMinuteTime;
            RepeatCount = notice_chat_attribute.RepeatCount;
            Sender = notice_chat_attribute.Sender;
            MessageType = notice_chat_attribute.MessageType;
            DetailList = notice_chat_attribute.DetailList.Select(x => new NoticeChatDetail() { ChatMessage = x.ChatMessage, Languagetype = x.Languagetype }).ToList();

            
            //=====================================================================================
            // Attribute Try Pending Doc => Origin Doc
            //=====================================================================================
            var try_pending_doc = notice_chat_attribute.getTryPendingDocBase() as NoticeChatDoc;
            if (null != try_pending_doc)
            {
                notice_chat_attribute.resetTryPendingDocBase();
                syncOriginDocBaseWithNewDoc<NoticeChatAttribute>(try_pending_doc);
            }

            var owner = getOwner();
            NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");
            
            var origin_doc_base = getOriginDocBase<NoticeChatAttribute>();
            if (null == origin_doc_base)
            {
                // DB 에 저장되어 있지 않는 경우 OriginDoc은 null 이다 !!!
                return result;
            }

            var notice_chat_attrib = origin_doc_base.getAttrib<NoticeChatAttrib>();
            NullReferenceCheckHelper.throwIfNull(notice_chat_attrib, () => $"notice_chat_attrib is null !!! - {owner.toBasicString()}");
            
            notice_chat_attrib.ChatId = ChatId;
            notice_chat_attrib.NextNoticeTime = NextNoticeTime;
            notice_chat_attrib.RepeatMinuteTime = RepeatMinuteTime;
            notice_chat_attrib.RepeatCount = RepeatCount;
            notice_chat_attrib.Sender = Sender;
            notice_chat_attrib.MessageType = MessageType;
            notice_chat_attrib.DetailList = DetailList.Select(x => new NoticeChatDetail() { ChatMessage = x.ChatMessage, Languagetype = x.Languagetype }).ToList();
            
                
            return result;
        }
    }

    public class NoticeChatAttributeTransactor : EntityAttributeTransactorBase<NoticeChatAttribute>, ICopyEntityAttributeTransactorFromEntityAttribute
    {
        public NoticeChatAttributeTransactor(EntityBase owner)
            : base(owner)
        {
        }

        public bool copyEntityAttributeTransactorFromEntityAttribute(EntityAttributeBase? entityAttributeBase)
        {
            var err_msg = string.Empty;

            var to_cast_string = typeof(NoticeChatAttribute).Name;

            var copy_from_notice_chat_attribute = entityAttributeBase as NoticeChatAttribute;
            if (null == copy_from_notice_chat_attribute)
            {
                err_msg = $"Failed to copyEntityAttributeTransactorFromEntityAttribute() !!!, copy_from_notice_chat_attribute is null :{to_cast_string}";
                Log.getLogger().error(err_msg);
                return false;
            }

            var copy_to_notice_chat_attribute = getClonedEntityAttribute() as NoticeChatAttribute;
            if (null == copy_to_notice_chat_attribute)
            {
                err_msg = $"Failed to copyEntityAttributeTransactorFromEntityAttribute() !!!, copy_to_notice_chat_attribute is null :{to_cast_string}";
                Log.getLogger().error(err_msg);
                return false;
            }

            copy_to_notice_chat_attribute.ChatId = copy_from_notice_chat_attribute.ChatId;
            copy_to_notice_chat_attribute.NextNoticeTime = copy_from_notice_chat_attribute.NextNoticeTime;
            copy_to_notice_chat_attribute.RepeatMinuteTime = copy_from_notice_chat_attribute.RepeatMinuteTime;
            copy_to_notice_chat_attribute.RepeatCount = copy_from_notice_chat_attribute.RepeatCount;
            copy_to_notice_chat_attribute.Sender = copy_from_notice_chat_attribute.Sender;
            copy_to_notice_chat_attribute.MessageType = copy_from_notice_chat_attribute.MessageType;
            copy_to_notice_chat_attribute.DetailList = copy_from_notice_chat_attribute.DetailList.Select(x => new NoticeChatDetail() { ChatMessage = x.ChatMessage, Languagetype = x.Languagetype }).ToList();

            return true;
        }
    }
}