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


using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;
using Amazon.DynamoDBv2.DocumentModel;
using Newtonsoft.Json.Linq;


namespace ServerBase;

public abstract partial class AttribBase
{
    // AttribType은 DynamoDb Document 정보를 Read시 식별키로 사용되기 때문에 고유하게 정의되어야 한다 !!! - kangms 
    [JsonProperty("attrib_type")]
    public readonly string AttribType;

    private readonly bool m_is_save_to_json_in_db = false;

    public AttribBase(string attribType, bool isSaveToJsonInDb = true)
    {
        AttribType = attribType;
        m_is_save_to_json_in_db = isSaveToJsonInDb;
    }

    public bool isSaveToJsonInDb() => m_is_save_to_json_in_db;

    public virtual string toJsonString()
    {
        return JsonConvert.SerializeObject(this);
    }

    public virtual Amazon.DynamoDBv2.DocumentModel.Document toDocument()
    {
        return DynamoDbClientHelper.classToDynamoDbDocument(this);
    }
    public virtual string toBasicString()
    {
        return $"AttribType:{AttribType}, {toJsonString()}";
    }
}

public partial class AttribWrapper<TAttrib> : IAttribWrapper
    where TAttrib : AttribBase, new()
{
    private TAttrib m_attrib = new();

    public AttribWrapper()
    {}

    public bool onCopyFromDynamoDbEntry(Amazon.DynamoDBv2.DocumentModel.Document doc)
    {
        if(false == doc.fillupAttribObject<TAttrib>(out var fillup_attrib))
        {
            return false;
        }

        if (fillup_attrib == null)
        {
            return false;
        }

        m_attrib = fillup_attrib;

        return true;
    }

    public bool onCopyToDynamoDbEntry(ref Amazon.DynamoDBv2.DocumentModel.Document doc)
    {
        return doc.setAttribObject<TAttrib>(m_attrib);
    }

    public bool onFillupJsonStringToJObject(ref JObject jobject)
    {
        return jobject.setAttribObjectWithJsonString<TAttrib>(m_attrib);
    }
}