using System;
using System.Collections.Generic;

namespace VisionCommon {
    public class Fixture {
        /// <summary>
        /// FixtureResult를 기준으로 이동시킨 ROI를 리턴한다.
        /// </summary>
        /// <param name="patternType">패턴 타입</param>
        /// <param name="roi">원본 ROI</param>
        /// <param name="fixtureResult">기준 패턴 결과</param>
        /// <param name="isCounerClockwise">각도 반전 플래그. MIL과 Cognex의 각도 방향은 반대. Default : "true"</param>
        /// <returns>회전 및 이동이 반영된 ROI</returns>
        public static ROI GetFixtureROI(ePatternType patternType, ROI roi, FixtureResult fixtureResult, bool isCounerClockwise = true) {
            // 1. Traslation
            var transCenter = roi.Center + fixtureResult.Offset as ImagePoint;

            // 2. Rotation of translated center with pattern origin
            Angle angle;
            if (isCounerClockwise) {
                angle = -fixtureResult.Rotation;    // MIL의 경우 angle 반전O (Default)
            }
            else {
                angle = fixtureResult.Rotation;     // Cognex의 경우 angle 반전X
            }
            var transRotatedCenter = MathUtil.Rotate(
                transCenter, angle, fixtureResult.Origin) as ImagePoint;

            // 3. Rotation of ROI itself with ROI center
            var roiRotation = Angle.CreateWithDegree(0);
            if (IsRotatableROI(patternType)) {
                roiRotation = roi.Angle + fixtureResult.Rotation;
            }

            return new ROI(
                transRotatedCenter,
                roi.Width,
                roi.Height,
                roiRotation
            );
        }

        public static bool IsRotatableROI(ePatternType patternType) {
            return (patternType == ePatternType.LineFinder ||
                patternType == ePatternType.EdgeFinder ||
                patternType == ePatternType.Caliper);
        }

        public static ROI GetFixtureROI(ROI roi, List<FixtureResult> fixtureResult) {
            throw new NotImplementedException();
        }
    }
}