using Aurora.Api.Devices;
using System;
using System.Linq;
using VisionCommon.DB.Align;

namespace VisionCommon.DB {
    public class VisionAlignDBAgent : VisionDBAgentBase<VisionAlignDB> {
        private static DateTime _LastCalledTime;
        #region 자동 SeqId 할당
        private static int _SeqId = -1;
        public static int GetSeqId() {
            if (_LastCalledTime.Date != DateTime.Now.Date) {
                _LastCalledTime = DateTime.Now;
                ResetSeqId();
            }
            return _SeqId;
        }
        public static void ResetSeqId() => _SeqId = -1;
        public static void SetSeqId(int seqID) { _SeqId = seqID; }
        public static void RaiseSeqId() {
            if (_LastCalledTime.Date != DateTime.Now.Date) {
                _LastCalledTime = DateTime.Now;
                ResetSeqId();
            }
            else {
                _SeqId++;
            }
        }
        #endregion

        public VisionAlignDBAgent(eVisionDBKey dbKey = eVisionDBKey.VisionAlign) : base(dbKey) {
            _LastCalledTime = DateTime.Now;
        }
        #region EventObservable
        internal override void OnDBActivated() {
            if (CheckServiceActivate()) {       // dobule check
                _LastCalledTime = DateTime.Now;
                var lastItem = _Service.GetData(new QueryOption() { IsDescending = true, Limit = 1 })?.LastOrDefault();
                if ((lastItem as VisionAlignDB) != null && (lastItem as VisionAlignDB).TimeStamp.Value.Date == DateTime.Now.Date) {
                    SetSeqId((lastItem as VisionAlignDB).SeqId++);
                }
                else {
                    ResetSeqId();
                }
            }
        }
        #endregion

        #region UtilAPI
        public VisionAlignDB CreateDBItem(AlignInfo alignInfo, eSeqMode alignSeqMode, int seqId = -1) {
            return new VisionAlignDB(alignInfo, alignSeqMode, seqId == -1 ? GetSeqId() : seqId);
        }

        public void AllocCurrentSeqId(ref VisionAlignDB dbData) {
            if(dbData != null) {
                dbData.SeqId = GetSeqId();
            }
        }

        public void AllocNextSeqId(VisionAlignDB dbData) {
            if (dbData != null) {
                RaiseSeqId();
                dbData.SeqId = GetSeqId();
            }
        }

        public void ConvertToDB(AlignResult alignResult, ref VisionAlignDB dbData) {


        }
        #endregion
    }
}