/*
  * Copyright (c) 2025 LG Electronics Inc.
   * SPDX-License-Identifier: LicenseRef-LGE-Proprietary
   */
using Aurora.Api;
using VisionCommon;
using System.Windows.Input;
using Aurora.View;
using System;
using VisionDirector;
using System.Windows;
using VisionSequence.Aligner;
using VisionCommonUI;
using System.Threading.Tasks;
using VisionCommonUI.Resources;
using VisionSequence;
using System.Collections.Generic;

namespace VisionUI.Aligner {
    /// <summary>
    /// 얼라인 세팅 뷰 모델
    /// </summary>
    class AlignSettingViewModel : Aurora.View.NotifyPropertyChangedBase {
        private Logger _Logger = new Logger(typeof(AlignSettingViewModel).Name);
        private SubSysInfo _SubSysInfo;
        private AlignInfo _CurrentAlignInfo;
        private AlignRecipe _CurrentAlignRecipe;
        /// <summary>얼라인 시퀀스 버튼 커맨드</summary>
        public ICommand BtnCmdAlign { get; }
        /// <summary>시퀀스 다이어그램 보여주는 버튼 커맨드</summary>
        public ICommand BtnCmdShowDiagram { get; }
        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="subSysInfo">서브시스템 정보</param>
        public AlignSettingViewModel(SubSysInfo subSysInfo) {
            _SubSysInfo = subSysInfo;
            BtnCmdAlign = new DelegateCommand(Align);
            BtnCmdShowDiagram = new DelegateCommand(ShowDiagram);
        }
        /// <summary>
        /// 현재 얼라인 정보 설정
        /// </summary>
        /// <param name="alignId">얼라인 Id</param>
        public void SetCurrentAlignInfo(eAlignId alignId) {
            _CurrentAlignInfo = VisionRecipeManager.GetAlignInfo(_SubSysInfo.UnitId, _SubSysInfo.SubSysId, alignId);
            _CurrentAlignRecipe = VisionRecipeManager.GetAlignRecipe(_CurrentAlignInfo);
        }

        private void Align(object obj) {
            StartAlignProcSeq();
        }

        private void StartAlignProcSeq() {
            try {
                var myDisplayType = eDisplayType.Main_1;    // 얼라인 결과를 바인딩할 메인 화면 타입을 지정해서 사용
                SeqParamsBase seqParams = null;
                ISequence seq = null;
                var procFovType = _CurrentAlignRecipe.ProcParams.ProcFovType;

                if (procFovType == eProcFovType.C1_F1_AP2_A2 || procFovType == eProcFovType.C1_F1_SPN_AN) {
                    var refDistParam = AlignSeqUtil.GetDefaultRefDistParam();
                    seqParams = new AlignProcSeqParams_PN_AN(_CurrentAlignInfo, refDistParam);
                    seq = VisionEnv.AuroraEnv.SequenceEntry[VisionKeys.AlignProcSeqKey_PN_AN];
                }
                else {
                    seqParams = AlignProcSeqManager.GetAlignProcSeqParams(_CurrentAlignInfo, null, myDisplayType);
                    seq = AlignProcSeqManager.GetSeq(_CurrentAlignInfo);
                }

                seqParams.SeqMode = eSeqMode.Manual;

                if (seq.RunState == SequenceRunState.Running) {
                    seq.EmergencyStop();
                }
                seq.Start(seqParams, OnAlignProcSeqCompleted);
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }
        }

        private void OnAlignProcSeqCompleted(SequenceActionResult seqResult) {
            try {
                if (_CurrentAlignRecipe.ProcParams.ProcFovType == eProcFovType.C1_F1_AP2_A2 ||
                    _CurrentAlignRecipe.ProcParams.ProcFovType == eProcFovType.C1_F1_SPN_AN) {
                    var alignResult = seqResult.Param as Dictionary<int, AlignResult>;
                }
                else {
                    var alignResult = seqResult.Param as AlignResult;
                    CheckManualMoveDelta(alignResult);
                }
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }
        }

        private void ShowDiagram(object obj) {
            try {
                if (SegDiagramManager.SeqDiagram != null && SegDiagramManager.SeqDiagram.IsLoaded) {
                    return;
                }

                var myDisplayType = eDisplayType.Main_1;    // 얼라인 결과를 바인딩할 메인 화면 타입을 지정해서 사용
                SeqParamsBase seqParams = null;
                ISequence seq = null;
                var procFovType = _CurrentAlignRecipe.ProcParams.ProcFovType;
                string seqName;

                if (procFovType == eProcFovType.C1_F1_AP2_A2 || procFovType == eProcFovType.C1_F1_SPN_AN) {
                    var refDistParam = AlignSeqUtil.GetDefaultRefDistParam();
                    seqParams = new AlignProcSeqParams_PN_AN(_CurrentAlignInfo, refDistParam);
                    seqName = VisionKeys.AlignProcSeqKey_PN_AN;
                    seq = VisionEnv.AuroraEnv.SequenceEntry[VisionKeys.AlignProcSeqKey_PN_AN];
                }
                else {
                    seqParams = AlignProcSeqManager.GetAlignProcSeqParams(_CurrentAlignInfo, null, myDisplayType);
                    seqName = AlignProcSeqManager.GetSeqName(_CurrentAlignInfo);
                    seq = AlignProcSeqManager.GetSeq(_CurrentAlignInfo);
                }

                seqParams.SeqMode = eSeqMode.Manual;
                seq.RunStateChanged += DiagramRunStateChanged;
                SegDiagramManager.Show(seqName, seqParams);
                SegDiagramManager.SeqDiagram.Closed += SeqDiagram_Closed;
            }
            catch (Exception e) {
                _Logger.FuncE(e.Message);
            }
        }

        private void SeqDiagram_Closed(object sender, EventArgs e) {
            ISequence seq = AlignProcSeqManager.GetSeq(_CurrentAlignInfo);
            seq.RunStateChanged -= DiagramRunStateChanged;
            SegDiagramManager.SeqDiagram.Closed -= SeqDiagram_Closed;
        }
        /// <summary>
        /// 시퀀스 다이어그램 실행시 상태 변경 이벤트 핸들러 메서드
        /// </summary>
        /// <param name="sender">객체</param>
        /// <param name="e">이벤트</param>
        public void DiagramRunStateChanged(object sender, (string sequenceId, SequenceRunState state) e) {
            if (e.state == SequenceRunState.Finish) {
                var seq = sender as ISequence;

                if (_CurrentAlignRecipe.ProcParams.ProcFovType == eProcFovType.C1_F1_AP2_A2 ||
                    _CurrentAlignRecipe.ProcParams.ProcFovType == eProcFovType.C1_F1_SPN_AN) {
                    var alignResults = seq.SearchContext(string.Format(
                        VisionContextKeys.CNTXT_KEY_ALIGN_RESULTS, _CurrentAlignInfo.GetKey())) as Dictionary<int, AlignResult>;
                }
                else {
                    var alignResult = seq.SearchContext(string.Format(
                        VisionContextKeys.CNTXT_KEY_ALIGN_RESULT_WITH_OFFSET, _CurrentAlignInfo.GetKey())) as AlignResult;
                    CheckManualMoveDelta(alignResult);
                }
            }
        }

        private void CheckManualMoveDelta(AlignResult alignResult) {
            if (alignResult == null) {
                MessageBoxUtil.ShowMessageBoxError(
                    string.Format(StrTokens.MSG_E_AlignResultIsNull));
                return;
            }

            if (alignResult.Status == AlignStatus.OK ||
                alignResult.Status == AlignStatus.F_OK ||
                alignResult.Status == AlignStatus.RETRY) {

                var delta = alignResult.Delta;
                var result = MessageBoxUtil.ShowMessageBoxQuestion(
                    string.Format(StrTokens.MSG_Q_ConfirmMoveByAlignData, ConvertAlignDelta(delta)));
                if (result == MessageBoxResult.Yes) {
                    var alignDirector = AlignDirectorManager.Instance.GetDirector(_SubSysInfo);
                    var motionDelta = alignDirector.ApplyDirection(delta.ToPosition());
                    Task.Run(() => {
                        EquipAdapter.Instance.AlignMotionManager.RelMove(_SubSysInfo, motionDelta);
                    });
                }
            }
        }

        private string ConvertAlignDelta(AlignDelta alignDelta) {
            if (VisionSettingManager.VisionSetting.CoordUnit == eCoordUnit.UM) {
                return alignDelta.ToStringUm();
            }

            return alignDelta.ToString();
        }
    }
}