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


using Newtonsoft.Json;
using Amazon.DynamoDBv2;
using Amazon.DynamoDBv2.Model;
using Amazon.DynamoDBv2.DocumentModel;
using Google.Protobuf.WellKnownTypes;


using ServerCore; using ServerBase;


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

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

        [JsonProperty("eoa")]
        public string EOA { get; set; } = string.Empty;

        [JsonProperty("selected_character_guid")]
        public CHARACTER_GUID SelectedCharacterGuid { get; set; } = string.Empty;

        [JsonProperty("is_intro_completed")]
        public bool IsIntroCompleted { get; set; } = false;

        [JsonProperty("game_login_datetime")]
        public DateTime GameLoginDateTime = DateTime.MinValue;

        [JsonProperty("game_logout_datetime")]
        public DateTime GameLogoutDateTime = DateTime.MinValue;

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


    //=============================================================================================
    // Primary Key
    // PK(Partition Key)    : "user_base#user_guid"
    // SK(Sort Key)         : ""
    // UserBaseAttrib       : {}
    // ...
    //=============================================================================================
    public class UserBaseDoc : DynamoDbDocBase, ICopyDocFromEntityAttribute
    {
        private static string getPrefixOfPK() { return "user_base#"; }
        private static string getPrefixOfSK() { return ""; }

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

        public UserBaseDoc(USER_GUID userGuid)
            : base(typeof(UserBaseDoc).Name)
        {
            setCombinationKeyForPK(userGuid);

            appendAttribWrapperAll();

            fillUpPrimaryKey(onMakePK(), onMakeSK());
        }

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

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

        // override ICopyDocFromEntityAttribute
        public bool copyDocFromEntityAttribute(EntityAttributeBase entityAttributeBase)
        {
            var user_attribute = entityAttributeBase as UserAttribute;
            if (null == user_attribute)
            {
                return false;
            }

            var user_base_attrib = getAttrib<UserBaseAttrib>();
            NullReferenceCheckHelper.throwIfNull(user_base_attrib, () => $"user_base_attrib is null !!! - {toBasicString()}");

            user_base_attrib.UserGuid = user_attribute.UserGuid;
            user_base_attrib.AccountId = user_attribute.AccountId;
            user_base_attrib.EOA = user_attribute.EOA;
            user_base_attrib.SelectedCharacterGuid = user_attribute.SelectedCharacterGuid;
            user_base_attrib.IsIntroCompleted = user_attribute.IsIntroCompleted;

            return true;
        }
    }
}