/*
  * Copyright (c) 2025 LG Electronics Inc.
   * SPDX-License-Identifier: LicenseRef-LGE-Proprietary
   */
using Aurora;
using Aurora.Api;
using Aurora.View;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Reactive.Linq;
using System.Windows;
using System.Windows.Data;
using System.Windows.Input;
using VisionCommon;
using VisionCommonUI;
using VisionCommonUI.Resources;
using VisionSequence.Setup;

namespace VisionUI.Setup {
    /// <summary>
    /// 캘리브레이션 세팅 뷰 모델
    /// </summary>
    public class CalSettingViewModel : NotifyPropertyChangedBase, IUpdateRecipe {
        private Logger _Logger = new Logger(typeof(CalSettingViewModel).Name);

        private IEventObservable _EventObservable = VisionEnv.AuroraEnv.EventObservable;
        /// <summary>캘리브레이션 플랜 아이템 컬렉션</summary>
        public ObservableCollection<PlanItem> _PlanItems;

        /// <summary>캘리브레이션 플랜 생성 이벤트 핸들러</summary>
        public event EventHandler<CalSeqParams> CalPlanCreated;
        /// <summary>캘리브레이션 시퀀스 취소 이벤트 핸들러</summary>
        public event EventHandler CancelSequence;

        private SubSysInfo _SubSysInfo;
        private SubSysRecipe _SubSysRecipe;

        #region Binding Properties
        private CalSetupRecipe _CalSetupRecipe;

        /// <summary>캘리브레이션 셋업 레시피</summary>
        public CalSetupRecipe CalSetupRecipe { get => _CalSetupRecipe; set => SetProperty(ref _CalSetupRecipe, value); }
        #endregion

        #region ButtonCommand
        public ICommand ButtonCommandStart { get; set; }
        public ICommand ButtonCommandStop { get; set; }
        public ICommand ButtonCommandSave { get; set; }
        #endregion
        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="subSysInfo">서브시스템 정보</param>
        public CalSettingViewModel(SubSysInfo subSysInfo) {
            _SubSysInfo = subSysInfo;
            _SubSysRecipe = VisionRecipeManager.GetSubSysRecipe(_SubSysInfo);
            _PlanItems = new ObservableCollection<PlanItem>();

            ButtonCommandStart = new DelegateCommand(new Action<object>(DoStart));
            ButtonCommandStop = new DelegateCommand(new Action<object>(DoStop));
            ButtonCommandSave = new DelegateCommand(new Action<object>(DoSave));
        }
        /// <summary>
        /// 시작
        /// </summary>
        /// <param name="o">null</param>
        public void DoStart(object o = null) {
            if (MessageBoxUtil.ShowMessageBoxQuestion(
                string.Format(StrTokens.MSG_Q_ConfirmRunCalibration)) == MessageBoxResult.Yes) {
                if (!IsCalSettingParamsValid()) {
                    return;
                }
                StartCalSeq();
            }
        }
        /// <summary>
        /// 시퀀스 정지
        /// </summary>
        /// <param name="o">null</param>
        public void DoStop(object o = null) {
            CancelSequence.Invoke(this, new EventArgs());
        }
        /// <summary>
        /// 세팅레시피 저장
        /// </summary>
        /// <param name="o">null</param>
        public void DoSave(object o = null) {
            UpdateRecipeFromUI();
            RecipeFileManager.SaveVisionRecipe();
            MessageBoxUtil.ShowMessageBoxOk(StrTokens.MSG_O_SaveCompleted);
        }

        private void StartCalSeq() {
            try {
                var plan = new CalPlan((int)CalSetupRecipe.DistanceStep,
                                       CalSetupRecipe.DistanceUnit,
                                       (int)CalSetupRecipe.RotationStep,
                                       CalSetupRecipe.RotationUnit);
                MakePlanItems(plan.MakeCalPlan(true,
                                               CalSetupRecipe.isX(), CalSetupRecipe.isY(), CalSetupRecipe.isT()));

                // 기존
                //CalPlanCreated.Invoke(this, new SetupSeqParams_Cal() {
                //    FovInfo = _FovInfo,
                //    PlanItems = _PlanItems.ToList(),
                //    DisplayType = eDisplayType.Calibration
                //});

                // 변경 (0124)
                CalPlanCreated.Invoke(this, new CalSeqParams()
                {
                    SubSysInfo = _SubSysInfo,
                    DisplayType = eDisplayType.Calibration,
                    PlanItems = _PlanItems.ToList(),
                    CalSetupRecipe = CalSetupRecipe
                });
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }
        }

        private bool IsCalSettingParamsValid() {
            var distanceUnitMax = 3;        // 한 스텝당 이동은 3mm를 넘을 수 없음.
            var rotationUnitMax = 90;       // 한 스텝당 회전은 90도를 넘을 수 없음.

            if (CalSetupRecipe.DistanceUnit <= 0 || CalSetupRecipe.DistanceUnit > distanceUnitMax) {
                MessageBoxUtil.ShowMessageBoxError(
                    string.Format(StrTokens.MSG_E_NumberInvalid, "DistanceUnit", 0, distanceUnitMax));
                return false;
            }
            if (CalSetupRecipe.RotationUnit <= 0 || CalSetupRecipe.RotationUnit > rotationUnitMax) {
                MessageBoxUtil.ShowMessageBoxError(
                    string.Format(StrTokens.MSG_E_NumberInvalid, "RotationUnit", 0, rotationUnitMax));
                return false;
            }

            return true;
        }

        private void MakePlanItems(Dictionary<string, object> plan) {
            _PlanItems.Clear();
            string planStep, planPurpose, planTarget, planAction, planX, planY, planT;
            planStep = planPurpose = planTarget = planAction = planX = planY = planT = "";
            foreach (var step in plan) {
                planStep = step.Key;
                foreach (var purpose in (Dictionary<string, object>)step.Value) {
                    planPurpose = purpose.Key;
                    foreach (var target in (Dictionary<string, object>)purpose.Value) {
                        planTarget = target.Key;
                        foreach (var action in (Dictionary<string, object>)target.Value) {
                            planAction = action.Key;
                            foreach (var position in (Dictionary<string, object>)action.Value) {
                                if (position.Key == "x") {
                                    planX = position.Value.ToString();
                                }
                                else if (position.Key == "y") {
                                    planY = position.Value.ToString();
                                }
                                else if (position.Key == "t") {
                                    planT = position.Value.ToString();
                                }
                                else {
                                }
                            }
                        }
                    }
                }
                PlanItem planItem = new PlanItem(planStep, planPurpose, planTarget, planAction, planX, planY, planT);
                _PlanItems.Add(planItem);
            }
        }

        public void RefreshVisionRecipes() {
            _SubSysRecipe = VisionRecipeManager.GetSubSysRecipe(_SubSysInfo);
        }

        public void UpdateRecipeFromFile() {
            var calSetupRecipe = VisionRecipeManager.GetCalSetupRecipe(_SubSysInfo);
            CalSetupRecipe = calSetupRecipe.Clone();
        }

        public void UpdateRecipeFromUI() {
            var calSetupRecipe = VisionRecipeManager.GetCalSetupRecipe(_SubSysInfo);
            CalSetupRecipe.CopyTo(calSetupRecipe);
        }
    }
}