using Aurora.Api;
using System;
using System.Collections.Generic;

namespace VisionCommon {
    /// <summary>
    /// 패턴을 트래킹하기 위해 패턴 위치를 저장/관리하는 매니저
    /// </summary>
    public class PatternTrackingManager {
        private static readonly Logger _Logger = new Logger(typeof(PatternTrackingManager).Name);

        private static Dictionary<FovInfo, DataList> _PatternTrackings = new Dictionary<FovInfo, DataList>();

        /// <summary>
        /// 패턴 위치 추가
        /// </summary>
        /// <param name="fovInfo">FOV 키</param>
        /// <param name="cross">패턴 위치</param>
        public static void AddCross(FovInfo fovInfo, Cross cross) {
            if (!_PatternTrackings.ContainsKey(fovInfo)) {
                _PatternTrackings.Add(fovInfo, new DataList());
            }
            _PatternTrackings[fovInfo].Add(cross);
        }

        /// <summary>
        /// 모든 패턴 위치 리턴
        /// </summary>
        /// <param name="fovInfo">FOV 키</param>
        /// <returns>모든 패턴 위치</returns>
        public static List<Cross> GetCrosses(FovInfo fovInfo) {
            if (_PatternTrackings.ContainsKey(fovInfo)) {
                return _PatternTrackings[fovInfo].GetDataList().ConvertAll(o => (Cross)o);
            }
            return null;
        }

        /// <summary>
        /// 마지막 lastDataCnt개의 패턴 위치 리턴
        /// </summary>
        /// <param name="fovInfo">FOV 키</param>
        /// <param name="lastDataCnt">마지막 패턴 위치 개수</param>
        /// <returns>마지막 lastDataCnt개의 패턴 위치</returns>
        public static List<Cross> GetCrosses(FovInfo fovInfo, int lastDataCnt) {
            if (_PatternTrackings.ContainsKey(fovInfo)) {
                return _PatternTrackings[fovInfo].GetDataList(lastDataCnt).ConvertAll(o => (Cross)o);
            }
            return null;
        }

        /// <summary>
        /// 모든 패턴 위치 초기화
        /// </summary>
        /// <param name="fovInfo">FOV 키</param>
        public static void Clear(FovInfo fovInfo) {
            if (_PatternTrackings.ContainsKey(fovInfo)) {
                _PatternTrackings[fovInfo].Clear();
            }
        }
    }
}