using Aurora.Api;
using VisionCommon;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace VisionAligner {
    /// <summary>
    /// 얼라인 재시도 체크
    /// </summary>
    public class AlignRetryChecker {
        private Logger _Logger;
        private AlignRecipe _AlignRecipe;

        private int _CurrentRetryCount;

        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="alignRecipe">얼라인 레시피</param>
        public AlignRetryChecker(AlignRecipe alignRecipe) {
            _Logger = new Logger("AlignRetryChecker");
            _AlignRecipe = alignRecipe;
        }

        /// <summary>
        /// 얼라인 재시도 활성 유무
        /// </summary>
        /// <returns>얼라인 재시도 활성 유무</returns>
        public bool IsEnabled() {
            return _AlignRecipe.AlignRetry.Enabled;
        }

        /// <summary>
        /// 얼라인 재시도 상태를 Get한다
        /// </summary>
        /// <param name="alignDelta">얼라인 보정값</param>
        /// <returns>얼라인 상태</returns>
        public AlignStatus GetRetryStatus(AlignDelta alignDelta) {
            AlignStatus status = GetRetrySpecStatus(alignDelta);

            IncreaseRetryCount();

            if (status == AlignStatus.RETRY) {
                if (IsOverRetryCount()) {
                    status = AlignStatus.RETRY_COUNT_OVER;
                }
            }

            if (IsResetRetryCountNeeded(status)) {
                ResetRetryCount();
            }

            return status;
        }

        /// <summary>
        /// 얼라인 재시도 횟수를 초기화한다
        /// </summary>
        public void Reset() {
            ResetRetryCount();
        }

        private AlignStatus GetRetrySpecStatus(AlignDelta alignDelta) {
            bool isOver = IsOverRetrySpecX(alignDelta);
            isOver |= IsOverRetrySpecY(alignDelta);
            isOver |= IsOverRetrySpecT(alignDelta.T);

            if (isOver) {
                return AlignStatus.RETRY;
            }
            return AlignStatus.OK;
        }

        private bool IsOverRetrySpecX(AlignDelta alignDelta) {
            if (Math.Abs(alignDelta.X) > _AlignRecipe.AlignRetry.RangeX) {
                _Logger.I($"Over Retry-SpecX! [deltaX : {alignDelta.ToStringX()}, specX : {_AlignRecipe.AlignRetry.RangeX} mm]");
                return true;
            }
            return false;
        }

        private bool IsOverRetrySpecY(AlignDelta alignDelta) {
            if (Math.Abs(alignDelta.Y) > _AlignRecipe.AlignRetry.RangeY) {
                _Logger.I($"Over Retry-SpecY! [deltaY : {alignDelta.ToStringY()}, specY : {_AlignRecipe.AlignRetry.RangeY} mm]");
                return true;
            }
            return false;
        }

        private bool IsOverRetrySpecT(Angle deltaT) {
            if (Math.Abs(deltaT.Degree) > _AlignRecipe.AlignRetry.RangeT) {
                _Logger.I($"Over Retry-SpecT! [deltaT : {deltaT}, specT : {_AlignRecipe.AlignRetry.RangeT}]");
                return true;
            }
            return false;
        }

        private void IncreaseRetryCount() {
            _CurrentRetryCount++;
        }

        private void ResetRetryCount() {
            _CurrentRetryCount = 0;
        }

        private bool IsResetRetryCountNeeded(AlignStatus status) {
            if (status == AlignStatus.RETRY) {
                return false;
            }
            return true;
        }

        private bool IsOverRetryCount() {
            return _CurrentRetryCount > (int)_AlignRecipe.AlignRetry.RetryCnt;
        }
    }
}