using System;
using Aurora.Api;
using Aurora.Api.DataType;
using Aurora.View;
using VisionCommon;
using MilPattern;

namespace MilUI {
    public class MultiLineParamSettingViewModel : NotifyPropertyChangedBase, IGraEventSubscriber {
        private Logger _logger = new Logger(typeof(MultiLineParamSettingViewModel).Name);

        #region Binding Properties
        private PatternInfo _patternInfo;
        public PatternInfo PatternInfo { get => _patternInfo; set => SetProperty(ref _patternInfo, value); }

        private LineFinderRunParam _runParam;
        public LineFinderRunParam RunParam { get => _runParam; set => SetProperty(ref _runParam, value); }

        private int _LineIdx;
        public int LineIdx { get => _LineIdx; set => SetProperty(ref _LineIdx, value); }
        #endregion

        private PatternAgentBase _patternAgent;
        private CameraDisplay _cameraDisplay;
        private FovInfo _fovInfo;

        public MultiLineParamSettingViewModel(
            PatternAgentBase patternAgent, PatternInfo patternInfo, CameraDisplay cameraDisplay, FovInfo fovInfo, int lineIdx) {

            _patternAgent = patternAgent;
            _patternInfo = patternInfo;
            _cameraDisplay = cameraDisplay;
            _fovInfo = fovInfo;
            LineIdx = lineIdx;

            InitRunParam();
            _cameraDisplay.SetGraEventSubscriber(_patternInfo, this);
        }

        public void InitRunParam() {
            if (_patternAgent.IsPatternExist(_patternInfo.GetPatternIndex())) {
                RunParam = _patternAgent.GetRunParam(_patternInfo) as LineFinderRunParam;
            }
            else {
                RunParam = new LineFinderRunParam();
            }
        }

        private void SetFindROI(object obj) {

        }

        private ROI GetFindROIFromRunParam(ImageSize imageSize, LineFinderRunParam runParam) {
            if ((0 < runParam.FindROI.Width && runParam.FindROI.Width < imageSize.Width) &&
                (0 < runParam.FindROI.Height && runParam.FindROI.Height < imageSize.Height)) {
                return runParam.FindROI.Clone() as ROI;
            }

            return new ROI(
                new ImagePoint(imageSize.Width * 0.5, imageSize.Height * 0.5),
                100, 300,
                Angle.CreateWithDegree(0));
        }

        public void UpdateAngleOfFindRoi(double roiAngle) {
            _cameraDisplay.UpdateAngleOfFindRoi(roiAngle);
        }

        public void UpdateAngleOfRoi(eGraRoiType graRoiType, object param) {
            if (graRoiType == eGraRoiType.FindRoi) {
                RunParam.FindROI.Angle.Degree = Math.Round((double)param, 1);
                NotifyPropertyChanged(nameof(RunParam));
            }
        }
    }
}