/*
  * Copyright (c) 2025 LG Electronics Inc.
   * SPDX-License-Identifier: LicenseRef-LGE-Proprietary
   */
using Aurora.Api;
using Aurora.View;
using VisionCommon;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Reactive.Linq;
using System.Threading.Tasks;
using System.Windows;
using VisionInspector;
using System.Reactive.Disposables;

namespace VisionUI.Inspector {
    /// <summary>
    /// 어태치 검사 로그 뷰 모델
    /// </summary>
    public class AttachInspLogViewModel : NotifyPropertyChangedBase {
        private Logger _Logger = new Logger(typeof(AttachInspLogViewModel).Name);

        private ObservableCollection<AttachInspResultItem> _AttachInspResultItems;
        /// <summary>어태치 검사 결과 아이템 집합</summary>
        public ObservableCollection<AttachInspResultItem> AttachInspResultItems { get => _AttachInspResultItems; set => SetProperty(ref _AttachInspResultItems, value); }

        private DateTime selectedDate;
        /// <summary>선택된 날짜</summary>
        public DateTime SelectedDate { get => selectedDate; set { SetProperty(ref selectedDate, value); CalendarChanged(value); } }

        private SubSysInfo _SubSysInfo;
        private SubSysRecipe _SubSysRecipe;
        private CsvManager _CsvManager = new CsvManager();
        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="subSysInfo">서브시스템 정보</param>
        public AttachInspLogViewModel(SubSysInfo subSysInfo) {
            _SubSysInfo = subSysInfo;
            _SubSysRecipe = VisionRecipeManager.GetSubSysRecipe(_SubSysInfo);
            AttachInspResultItems = new ObservableCollection<AttachInspResultItem>();
            SelectedDate = DateTime.Now.Date;

            SetObservable();
        }

        private void SetObservable() {
            var disposable = VisionEnv.AuroraEnv.EventObservable.AsObservable(VisionEventId.UPDATE_ATTACH_INSP_RESULT).
                Where(x => x.From == _SubSysInfo.GetKey()).Subscribe(attachInspResult => UpdateAttachInspResult(attachInspResult));
            DisposableManager.AddDisposable(eDpsGroupKey.SubMenu_AttachInsp, disposable);
        }
        /// <summary>
        /// 어태치 검사 결과 업데이트
        /// </summary>
        /// <param name="msg">이벤트 메세지</param>
        public void UpdateAttachInspResult(EventMessage msg) {
            var attachInspResult = msg.Param as AttachInspResult;

            Application.Current.Dispatcher.BeginInvoke(
                new Action(() => {
                    AttachInspResultItems.Add(AttachInspResultItemManager.GetAttachInspResultItem(_SubSysInfo, attachInspResult));
                }));

            // Dispatcher에 같이 넣을 경우, 전체적으로 느려질 수 있음
            Task.Run(() => { PrintAttachInspResult(attachInspResult); });
        }

        // 부착 검사 결과를 화면에 텍스트로 뿌린다.
        private void PrintAttachInspResult(AttachInspResult attachInspResult) {
            var displayType = attachInspResult.DisplayType;
            //var fovInfo = VisionRecipeManager.GetLastFovInfo(_SubSysInfo);
            var fovInfo = VisionRecipeManager.GetFovInfo(_SubSysInfo, attachInspResult.FovId);
            var cameraDisplay = CameraDisplayManager.GetDisplay(fovInfo, displayType);

            var msgs = new List<string>();
            msgs.Add(string.Format("FovId : {0}", attachInspResult.FovId));
            msgs.Add(string.Format("MeasureW : {0:F3}", ConvertCoordUnit(attachInspResult.MeasureW)));
            msgs.Add(string.Format("SpecW : {0}", ConvertCoordUnit(attachInspResult.SpecW)));
            msgs.Add(string.Format("ErrW : {0:F3}", ConvertCoordUnit(attachInspResult.ErrW)));
            msgs.Add(string.Format("MeasureH : {0:F3}", ConvertCoordUnit(attachInspResult.MeasureH)));
            msgs.Add(string.Format("SpecH : {0}", ConvertCoordUnit(attachInspResult.SpecH)));
            msgs.Add(string.Format("ErrH : {0:F3}", ConvertCoordUnit(attachInspResult.ErrH)));
            msgs.Add(string.Format("Status : {0}", attachInspResult.InspStatus));

            eColor color = IpViewManager.GetGraphicColor(attachInspResult.InspStatus);
            ImagePoint printPos = new ImagePoint(30, 20);
            cameraDisplay.AddTextList(color, printPos, msgs);
        }

        private double ConvertCoordUnit(double value) {
            if (VisionSettingManager.VisionSetting.CoordUnit == eCoordUnit.UM) {
                return MathUtil.ConvertUnitMilliToMicro(value);
            }

            return value;
        }

        private void CalendarChanged(DateTime dateTime) {
            LoadCsv(dateTime);
        }

        private void LoadCsv(DateTime dateTime) {
            try {
                AttachInspResultItems?.Clear();
                List<AttachInspResultItem> items =
                    _CsvManager.LoadCsv<AttachInspResultItem>(_SubSysInfo, dateTime, eSaveDataType.AttachInsp);
                if (items != null) {    // 로드할 파일이 없으면 items가 null임.
                    foreach (AttachInspResultItem item in items) {
                        AttachInspResultItems.Add(item);
                    }
                }
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }
        }
    }
}