/*
  * Copyright (c) 2025 LG Electronics Inc.
   * SPDX-License-Identifier: LicenseRef-LGE-Proprietary
   */
using Aurora.Api;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace VisionCommon {
    /// <summary>
    /// 데이터를 인덱스별로 관리하는 클래스
    /// </summary>
    public class DataList : IDisposable {
        private Logger _Logger = new Logger(typeof(DataList).Name);
        private List<object> _DataList;

        /// <summary>
        /// 생성자
        /// </summary>
        public DataList() {
            _DataList = new List<object>();
        }

        /// <summary>
        /// 모든 데이터 리턴
        /// </summary>
        /// <returns>모든 데이터</returns>
        public List<object> GetDataList() {
            return _DataList;
        }

        /// <summary>
        /// 마지막 lastDataCnt개의 데이터 리턴
        /// </summary>
        /// <param name="lastDataCnt">마지막 데이터 개수</param>
        /// <returns>마지막 lastDataCnt개의 데이터</returns>
        public List<object> GetDataList(int lastDataCnt) {
            if (lastDataCnt != 0 && lastDataCnt <= _DataList.Count) {
                return _DataList.Skip(_DataList.Count - lastDataCnt).Take(lastDataCnt).ToList();
            }
            return _DataList;
        }

        /// <summary>
        /// 데이터 삽입
        /// </summary>
        /// <param name="data">데이터</param>
        public void Add(object data) {
            try {
                _DataList.Add(data);
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }
        }

        public void Clear() {
            _DataList?.Clear();
        }

        public void Dispose() {
            Clear();
            _DataList = null;
        }
    }
}