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


using Newtonsoft.Json;


using ServerCore; using ServerBase;
using ServerControlCenter;


using META_ID = System.UInt32;
using USER_GUID = System.String;
using Amazon.S3.Model;


namespace ServerCommon
{
    public class MinimapMarkerAttribute : EntityAttributeBase, ICopyEntityAttributeFromDoc, IMergeWithEntityAttribute
    {
        [JsonProperty]
        public META_ID WorldMetaId { get; set; } = 0;

        [JsonProperty]
        public Vector3 MarkerPos { get; set; } = new();

        public MinimapMarkerAttribute(EntityBase owner, EntityBase entityOfOwnerEntityType)
            : base(owner, entityOfOwnerEntityType)
        {
        }

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

        public override void onClear()
        {
            WorldMetaId = 0;
            MarkerPos = new();

            getAttributeState().reset();
        }

        public override EntityAttributeBase onCloned()
        {
            var entity_type = getEntityOfOwnerEntityType();
            NullReferenceCheckHelper.throwIfNull(entity_type, () => "Entity Type is null");

            var cloned = new MinimapMarkerAttribute(getOwner(), entity_type);

            cloned.deepCopyFromBase(this);

            cloned.WorldMetaId = WorldMetaId;
            cloned.MarkerPos = MarkerPos;

            return cloned;
        }

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

            var owner = getOwner();

            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 MinimapMarkerDoc;
            if (null == try_pending_doc)
            {
                var to_copy_doc = new MinimapMarkerDoc(user_guid, WorldMetaId);

                var origin_doc = getOriginDocBase<MinimapMarkerAttribute>();
                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<MinimapMarkerAttrib>();
            NullReferenceCheckHelper.throwIfNull(to_copy_doc_attrib, () => $"to_copy_doc_attrib is null !!! - {owner.toBasicString()}");

            to_copy_doc_attrib.WorldMetaId = WorldMetaId;
            to_copy_doc_attrib.MarkerPos = MarkerPos;

            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, to_query_doc);
            }

            return (result, to_query_doc);
        }

        public bool copyEntityAttributeFromDoc(DynamoDbDocBase? docBase)
        {
            var err_msg = string.Empty;

            var to_cast_string = typeof(MinimapMarkerDoc).Name;

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

            //=====================================================================================
            // New Doc => Origin Doc
            //=====================================================================================
            syncOriginDocBaseWithNewDoc<MinimapMarkerAttribute>(minimap_marker_doc_base);

            //=====================================================================================
            // Doc => Attribute
            //=====================================================================================
            var doc_attrib = minimap_marker_doc_base.getAttrib<MinimapMarkerAttrib>();
            NullReferenceCheckHelper.throwIfNull(doc_attrib, () => "doc_attrib is null !!!");

            WorldMetaId = doc_attrib.WorldMetaId;
            MarkerPos = doc_attrib.MarkerPos;

            return true;
        }

        public Result onMerge(EntityAttributeBase otherEntityAttribute)
        {
            var owner = getOwner();
            NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");

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

                return result;
            }

            WorldMetaId = minimap_marker_attribute.WorldMetaId;
            MarkerPos = minimap_marker_attribute.MarkerPos;

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

                syncOriginDocBaseWithNewDoc<MinimapMarkerAttribute>(try_pending_doc);
            }

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

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

            minimap_marker_attrib.WorldMetaId = WorldMetaId;
            minimap_marker_attrib.MarkerPos = MarkerPos;

            return result;
        }
    }

    public class MinimapMarkerAttributeTransactor : EntityAttributeTransactorBase<MinimapMarkerAttribute>, ICopyEntityAttributeTransactorFromEntityAttribute
    {
        public MinimapMarkerAttributeTransactor(EntityBase owner)
            : base(owner)
        {
        }

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

            var to_cast_string = typeof(MinimapMarkerAttribute).Name;

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

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

            copy_to_minimap_marker_attribute.WorldMetaId = copy_from_minimap_marker_attribute.WorldMetaId;
            copy_to_minimap_marker_attribute.MarkerPos = copy_from_minimap_marker_attribute.MarkerPos;

            return true;
        }
    }
}