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


using Newtonsoft.Json;


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 DeleteDocAttrib : AttribBase
{
    [JsonProperty("doc")]
    public DynamoDbDocBase? m_deleted_doc_nullable;

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

    public void setDeletedDoc(DynamoDbDocBase doc) => m_deleted_doc_nullable = doc;

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

//=============================================================================================
// PK(Partition Key)    : "backup#[Deleted DocType PK]"
// SK(Sort Key)         : "[Deleted DocType SK]"
// DocType              : BackupDoc
// DeleteDocAttrib      : {}
// ...
//=============================================================================================
public class BackupDoc : DynamoDbDocBase, ICopyBackupDocFromDoc
{
    private static string getPrefixOfPK() { return "backup#"; }
    private static string getPrefixOfSK() { return ""; }

    public BackupDoc(DynamoDbDocBase deletedDoc)
        : base(typeof(BackupDoc).Name)
    {
        setCombinationKeyForPK(deletedDoc.getPK());
        setCombinationKeyForSK(deletedDoc.getSK());

        appendAttribWrapper(new AttribWrapper<DeleteDocAttrib>());

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

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

    public bool copyBackupDocFromDoc(DynamoDbDocBase doc)
    {
        var found_attrib = getAttrib<DeleteDocAttrib>();
        NullReferenceCheckHelper.throwIfNull(found_attrib, () => $"found_attrib is null !!!");

        found_attrib.setDeletedDoc(doc);
        return true;
    }
}