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


using Newtonsoft.Json;


using ServerCore; using ServerBase;


using ServerControlCenter;


using SESSION_ID = System.Int32;
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 UserNicknameRegistryAttrib : AttribBase
    {
        [JsonProperty("nickname")]
        public string Nickname { get; set; } = string.Empty;

        [JsonProperty("user_guid")]
        public USER_GUID UserGuid { get; set; } = string.Empty;

        [JsonProperty("account_id")]
        public ACCOUNT_ID AccountId { get; set; } = string.Empty;

        public UserNicknameRegistryAttrib()
            : base(typeof(UserNicknameRegistryAttrib).Name)
        { }
    }

    //=============================================================================================
    // PK(Partition Key)            : "user_nickname_registry#"
    // SK(Sort Key)                 : "user_nickname"
    // DocType                      : UserNicknameRegistryDoc
    // UserNicknameRegistryAttrib   : {}
    // ...
    //=============================================================================================
    public class UserNicknameRegistryDoc : DynamoDbDocBase
    {
        private static string getPrefixOfPK() { return "user_nickname_registry#"; }
        private static string getPrefixOfSK() { return ""; }

        public UserNicknameRegistryDoc()
            : base(typeof(UserNicknameRegistryDoc).Name)
        {
            appendAttribWrapperAll();
        }

        public UserNicknameRegistryDoc(string userNickname)
            : base(typeof(UserNicknameRegistryDoc).Name)
        {
            setCombinationKeyForPKSK(DynamoDbClient.PK_GLOBAL, userNickname.ToLower());

            appendAttribWrapperAll();

            fillUpPrimaryKey(onMakePK(), onMakeSK());

            var user_nickname_registry_attrib = getAttrib<UserNicknameRegistryAttrib>();
            NullReferenceCheckHelper.throwIfNull(user_nickname_registry_attrib, () => $"user_nickname_registry_attrib is null !!!");
            user_nickname_registry_attrib.Nickname = userNickname;

            setExceptionHandler(new DynamoDbQueryExceptionNotifier.ExceptionHandler(DynamoDbQueryExceptionNotifier.ConditionalCheckFailed, ServerErrorCode.UserNicknameDuplicated));
        }

        private void appendAttribWrapperAll()
        {
            appendAttribWrapper(new AttribWrapper<UserNicknameRegistryAttrib>());
        }

        protected override string onGetPrefixOfPK()
        {
            return getPrefixOfPK();
        }

        protected override ServerErrorCode onCheckAndSetSK(string sortKey)
        {
            getPrimaryKey().fillUpSK(sortKey);
            setCombinationKeyForSK(sortKey);

            return ServerErrorCode.Success;
        }
    }
}