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


using Newtonsoft.Json;


using ServerCore; using ServerBase;
using ServerControlCenter;



using SESSION_ID = System.Int32;
using WORLD_ID = System.UInt32;
using META_ID = System.UInt32;
using ENTITY_GUID = System.String;
using ACCOUNT_ID = System.String;
using OWNER_GUID = System.String;
using USER_GUID = System.String;
using CHARACTER_GUID = System.String;
using ITEM_GUID = System.String;




namespace ServerCommon
{
    public class UserItemAttribute : ItemAttributeBase
    {
        public UserItemAttribute(ItemBase owner, EntityBase entityOfOwnerEntityType)
            : base(owner, entityOfOwnerEntityType)
        {
        }

        public override IEntityAttributeTransactor onNewEntityAttributeTransactor()
        {
            var owner = getOwner() as ItemBase;
            NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");

            return new UserItemAttributeTransactor(owner);
        }

        public override DynamoDbDocBase onCreateDocBase()
        {
            var owner = getOwner() as ItemBase;
            NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");
            
            var parent = owner.getRootParent();
            NullReferenceCheckHelper.throwIfNull(parent, () => $"parent is null !!! - {owner.toBasicString()}");

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

            var user_guid = user_attribute.UserGuid;

            return new ItemDoc(OwnerEntityType.User, user_guid, ItemGuid);
        }

        public override EntityAttributeBase onCloned()
        {
            var owner = getOwner() as ItemBase;
            NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");
            var parent = owner.getRootParent();
            NullReferenceCheckHelper.throwIfNull(parent, () => $"parent is null !!! - {owner.toBasicString()}");

            var entity_of_owner_entity_type = getEntityOfOwnerEntityType();
            NullReferenceCheckHelper.throwIfNull(entity_of_owner_entity_type, () => $"entity_of_owner_entity_type is null !!! - {parent.toBasicString()}");

            var cloned = new UserItemAttribute(owner, entity_of_owner_entity_type);

            cloned.deepCopyFromBase(this);

            cloned.ItemGuid = ItemGuid;
            cloned.ItemMetaId = ItemMetaId;
            cloned.ItemStackCount = ItemStackCount;
            cloned.Level = Level;
            cloned.Attributes = Attributes.Select(x => x).ToList();
            cloned.EquipedIvenType = EquipedIvenType;
            cloned.EquipedPos = EquipedPos;

            return cloned;
        }

        public ItemDoc makeDocBase()
        {
            var owner = getOwner() as ItemBase;
            NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");
            var parent = owner.getRootParent();
            NullReferenceCheckHelper.throwIfNull(parent, () => $"parent is null !!! - {owner.toBasicString()}");

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

            var to_copy_doc = new ItemDoc(OwnerEntityType.User, user_attribute.UserGuid, ItemGuid);

            var to_copy_doc_item_attrib = to_copy_doc.getAttrib<ItemAttrib>();
            NullReferenceCheckHelper.throwIfNull(to_copy_doc_item_attrib, () => $"to_copy_doc_item_attrib is null !!! - {parent.toBasicString()}");

            to_copy_doc_item_attrib.ItemGuid = ItemGuid;
            to_copy_doc_item_attrib.ItemMetaId = ItemMetaId;
            to_copy_doc_item_attrib.ItemStackCount = ItemStackCount;
            to_copy_doc_item_attrib.Level = Level;
            to_copy_doc_item_attrib.Attributes = Attributes.Select(x => x).ToList();
            to_copy_doc_item_attrib.EquipedIvenType = EquipedIvenType;
            to_copy_doc_item_attrib.EquipedPos = EquipedPos;

            return to_copy_doc;
        }
    }

    public class UserItemAttributeTransactor : ItemAttributeBaseTransactor<UserItemAttribute>
    {
        public UserItemAttributeTransactor(ItemBase owner)
            : base(owner)
        {
        }
    }
}