using Aurora;
using Aurora.Api;
using Aurora.View;
using AuroraIO;
using AuroraLaser;
using AuroraLaserScanner;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Reactive.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;
using System.Windows.Threading;
using VisionCommon;
using WeldingCommon;
using WeldingCommon.Devices.Laser;
using WeldingCommon.Models;
using WeldingCommon.Sequences;
using WeldingCommon.Settings;
using WeldingCommon.Utils;
using static AuroraLaser.Ekspla.NL202;
using static WeldingCommon.Devices.Laser.PAIX_PrismaticScanner;

namespace WeldingCommon.Views
{
    public class UCScannerObjectTeachingControlBoxViewModel : NotifyPropertyChangedBase
    {
        private readonly Logger Log = new Logger("UCScannerObjectTeachingControlBoxViewModel");

        public ICommand CMD_VisibleChanged { get; }

        public ICommand CMD_RunScoutNormal { get; }
        public ICommand CMD_StopScoutNormal { get; }

        public ICommand CMD_RunScoutFlyingVision { get; }
        public ICommand CMD_StopScoutFlyingVision { get; }

        public ICommand CMD_RunTeachingRun { get; }
        public ICommand CMD_StopTeachingRun { get; }

        public ICommand CMD_LaserGuideBeam { get; }
        public ICommand CMD_LaserReadyCheck { get; }
        public ICommand CMD_ImportObjectFromDXF { get; }
        public ICommand CMD_ToggleScannerCamView { get; }

        private readonly IAuroraEnvironment _Aurora;
        private SystemParameter _SystemParameter;
        //private readonly EquipmentInfo _EquipmentInfo;

        private readonly Scanner _Scanner;
        private readonly Laser _Laser;
        private readonly LaserConfig _LaserConfig;
        private IODevice _IODevice;


        private ISequence _SeqScoutNormal;
        private bool _IsSequenceRunning_ScoutNormal;
        public bool IsSequenceRunning_ScoutNormal { get => _IsSequenceRunning_ScoutNormal; set => SetProperty(ref _IsSequenceRunning_ScoutNormal, value); }

        private ISequence _SeqScoutFlyingVision;
        private bool _IsSequenceRunning_ScoutFlyingVision;
        public bool IsSequenceRunning_ScoutFlyingVision { get => _IsSequenceRunning_ScoutFlyingVision; set => SetProperty(ref _IsSequenceRunning_ScoutFlyingVision, value); }

        private ISequence _SeqTeachingRun;

        private bool _IsSequenceRunning_TeachingRun;
        public bool IsSequenceRunning_TeachingRun { get => _IsSequenceRunning_TeachingRun; set => SetProperty(ref _IsSequenceRunning_TeachingRun, value); }

        private bool _IsSelectedScoutNormal;
        public bool IsSelectedScoutNormal { get => _IsSelectedScoutNormal; set => SetProperty(ref _IsSelectedScoutNormal, value); }

        private bool _IsGuidBeam;
        public bool IsGuidBeam { get => _IsGuidBeam; set => SetProperty(ref _IsGuidBeam, value); }
        private bool _IsLaserReady;
        public bool IsLaserReady { get => _IsLaserReady; set => SetProperty(ref _IsLaserReady, value); }

        // Object Select Type
        private bool _IsObjectSelectAll;
        public bool IsObjectSelectAll { get => _IsObjectSelectAll; set => SetProperty(ref _IsObjectSelectAll, value); }

        // ScoutNormal 행 전환 sleep 분리 (같은 행 / 행 전환)
        private int _ScoutSameRowSleepMs;
        public int ScoutSameRowSleepMs
        {
            get => _ScoutSameRowSleepMs;
            set { SetProperty(ref _ScoutSameRowSleepMs, value); _SystemParameter.ScoutSameRowSleepMs = value; SaveScoutSleep(); }
        }
        private int _ScoutRowChangeSleepMs;
        public int ScoutRowChangeSleepMs
        {
            get => _ScoutRowChangeSleepMs;
            set { SetProperty(ref _ScoutRowChangeSleepMs, value); _SystemParameter.ScoutRowChangeSleepMs = value; SaveScoutSleep(); }
        }
        private void SaveScoutSleep()
        {
            _Aurora.SettingEntry.Save(CommonSettingIds.SystemParameter, _SystemParameter, "ScoutSleep");
        }

        private readonly DispatcherTimer _MonitorTimer;

        private SequenceDialog _SequenceDialog;

        // 레시피 화면에서 토글로 띄우는 스캐너 카메라 + 모션 창 (재사용을 위해 Hide/Show)
        private WDScannerCamMotion _ScannerCamWindow;

        private WinSequenceDiagram _WinSequenceDiagramScoutNormal;
        private WinSequenceDiagram _WinSequenceDiagramScoutFlyingVision;
        private WinSequenceDiagram _WinSequenceDiagramTeachingRun;
        private WinSequenceDiagram _WinSequenceDiagramComponentTeachingRun;
        public bool toggleIO = true;
        public UCScannerObjectTeachingControlBoxViewModel(IAuroraEnvironment aurora)
        {
            _Aurora = aurora;

            _SystemParameter = aurora.SettingEntry[CommonSettingIds.SystemParameter] as SystemParameter;
            _ScoutSameRowSleepMs = _SystemParameter.ScoutSameRowSleepMs;
            _ScoutRowChangeSleepMs = _SystemParameter.ScoutRowChangeSleepMs;

            _SeqScoutNormal = _Aurora.SequenceEntry[CommonSequenceIds.SeqScoutNormal];
            _SeqScoutFlyingVision = _Aurora.SequenceEntry[CommonSequenceIds.SeqScoutFlyingVision];

            _Scanner = _Aurora.DeviceManager[CommonDeviceIds.Scanner] as Scanner;
            _Laser = _Aurora.DeviceManager[CommonDeviceIds.Laser] as Laser;
            _IODevice = _Aurora.DeviceManager[CommonDeviceIds.IODevice] as IODevice;
            // Trumpf 레이저인 경우에는 ComponentTeachingRun 실행
            _LaserConfig = _Aurora.DeviceManager.GetDeviceConfig(CommonDeviceIds.Laser) as LaserConfig;
            _SeqTeachingRun = _Aurora.SequenceEntry[CommonSequenceIds.SeqComponentTeachingRun];

            InitVariable();

            CMD_VisibleChanged = new DelegateCommand(VisibleChanged);

            CMD_RunScoutNormal = new DelegateCommand(PerformCmdRunScoutNormal);
            CMD_StopScoutNormal = new DelegateCommand(PerformCmdStopScoutNormal);
            CMD_RunScoutFlyingVision = new DelegateCommand(PerformCmdRunScoutFlyingVision);
            CMD_StopScoutFlyingVision = new DelegateCommand(PerformCmdStopScoutFlyingVision);
            CMD_RunTeachingRun = new DelegateCommand(PerformCmdRunTeachingRun);
            CMD_StopTeachingRun = new DelegateCommand(PerformCmdStopTeachingRun);

            CMD_LaserGuideBeam = new DelegateCommand(PerformCmdLaserGuideBeam);
            CMD_LaserReadyCheck = new DelegateCommand(PerformCmdLaserReadyCheck);
            CMD_ImportObjectFromDXF = new DelegateCommand(PerformCmdImportObjectFromDXF);
            CMD_ToggleScannerCamView = new DelegateCommand(PerformCmdToggleScannerCamView);

            _Aurora.EventObservable.AsObservable(AuroraSysEvent.SYS_SETTING_CHANGED)
                .ObserveOnDispatcher()
                .Subscribe(OnSettingReloaded);

            _MonitorTimer = new DispatcherTimer();
            _MonitorTimer.Tick += OnMonitoring;
            _MonitorTimer.Interval = TimeSpan.FromMilliseconds(100);

        }

        private void InitVariable()
        {
            if (_SystemParameter.ScoutType == eScoutType.Normal) {
                IsSelectedScoutNormal = true;
            } else {
                IsSelectedScoutNormal = false;
            }

            IsSequenceRunning_ScoutNormal = false;
            IsSequenceRunning_ScoutFlyingVision = false;
            IsSequenceRunning_TeachingRun = false;

            IsGuidBeam = false;
            IsLaserReady = false;

            IsObjectSelectAll = true;
        }

        private void VisibleChanged(object obj)
        {
            bool visible = (bool)obj;
            if (visible) {
                _MonitorTimer.Start();
            } else {
                _MonitorTimer.Stop();
            }
        }

        private void OnSettingReloaded(object obj)
        {
            _SystemParameter = _Aurora.SettingEntry[CommonSettingIds.SystemParameter] as SystemParameter;
            if (_SystemParameter.ScoutType == eScoutType.Normal) {
                IsSelectedScoutNormal = true;
            } else {
                IsSelectedScoutNormal = false;
            }
        }

        private void OnMonitoring(object sender, EventArgs e)
        {

            // [기존 소스 보존] Laser 디바이스 기반 Pilot 상태 (DO 3=GuideLaserEnable) — 일부 Laser 미구현 시 항상 false
            //if (_Laser.GetPilotLaserStatus()) {
            //    IsGuidBeam = true;
            //} else {
            //    IsGuidBeam = false;
            //}
            try
            {
                // Guide Beam: DI 결선 없음 → 가이드빔 제어 DO 17 명령 비트를 그대로 표시
                //  (현장 가이드빔 제어선은 DO 17). IO 미연결 시 ReadDO 예외 → 아래 catch 에서 처리(앱 종료 방지)

                // 시뮬 아님 + IO보드 없음 → _iOUnit == null → ReadDI에서 NRE로 꺼짐. - 현장PC 아닌 경우 개발PC에서 주석 해제 (시뮬안하고 레시피 들어갔을 때 프로그램 종료 방지)
                // IsConnected()가 _iOUnit null/미연결을 체크하므로, 미연결이면 폴링 스킵(꺼짐 방지).
                if (_IODevice == null || !_IODevice.IsConnected())
                {
                    IsGuidBeam = false;
                    IsLaserReady = false;

                    return;
                }

                IsGuidBeam = _IODevice.ReadDO(17);
                IsLaserReady = _IODevice.ReadDI(11) && _IODevice.ReadDI(15); // 변경 후 (260618: IO 결선 변경 12&24 → 11&15)

            }
            catch (Exception ex)
            {
                Log.E($"[OnMonitoring] DI 읽기 실패: {ex.Message}");
                IsLaserReady = false;
                IsGuidBeam = false;
            }

            // TODO: PRIBAT_L1, PRIBAT_L2 는 Blow 의 상태 check 가 들어 있음. 장비 한정이므로 이를 check 하는 것을 modelItem 이나 setting 으로 빼서 진행되도록 함.
        }

        private void PerformCmdRunScoutNormal(object obj)
        {
            var result = MessageUtil.ShowYesNoMessageDialog("Scanner Scout", "Start Scanner Scout Normal Sequence?");
            if (result == false) {
                return;
            }

            if (VisionRecipeManager.GetFovInfos().Count == 0) {
                MessageUtil.ShowWarningToast(string.Format("Please check the Vision Recipe of the currently active Recipe."));
                return;
            }

            if (_SeqScoutNormal.RunState == SequenceRunState.Running) {
                MessageUtil.ShowWarningToast(string.Format("이미 시퀀스가 Start 상태입니다.", "SeqScoutNormal"), Log);
                return;
            }

            var scoutSeqParams = new ScoutSeqParams(VisionRecipeManager.GetFovInfos()[0], eDisplayType.Machine_B);
            var param = new SeqScoutNormal_InitParam() {
                IsRealTimeScout = false,
                ScoutSeqParams = scoutSeqParams,
                // [추가 2026-06-19] 현재 표시 중인 페이지의 스카우트 필드를 사용하도록 명시 주입
                PageIndex = CommonHelper.GetMainPage().GetCurrentPageIndex(),
            };

            PopupSequenceDiagram(ref _WinSequenceDiagramScoutNormal, CommonSequenceIds.SeqScoutNormal, param);

            IsSequenceRunning_ScoutNormal = true;
            _SeqScoutNormal.Start(param, OnCompleteScoutNormal);

        }

        private void OnCompleteScoutNormal(SequenceActionResult res)
        {
            if (res != null) {
                if (res.Param is SeqScoutNormal_OutParam result && result.Success == true) {
                    IsSequenceRunning_ScoutNormal = false;
                    MessageUtil.ShowSuccessToast(string.Format("Success SeqScoutNormal"));

                    CloseSequenceDiagram(_WinSequenceDiagramScoutNormal);
                    return;
                }
            }

            if (_Laser.GetLaserReady()) {
                _Laser.LaserOff();
            }

            IsSequenceRunning_ScoutNormal = false;
            MessageUtil.ShowWarningToast(string.Format("Fail SeqScoutNormal"));
        }

        private void PerformCmdStopScoutNormal(object obj)
        {
            if (_SeqScoutNormal.RunState == SequenceRunState.Idle) {
                return;
            }

            IsSequenceRunning_ScoutNormal = false;
            _SeqScoutNormal.Stop();
        }

        private void PerformCmdRunScoutFlyingVision(object obj)
        {
            var result = MessageUtil.ShowYesNoMessageDialog("Flying Vision", "Start Scanner Scout Flying Vision Sequence?");
            if (result == false) {
                return;
            }

            if (VisionRecipeManager.GetFovInfos().Count == 0) {
                MessageUtil.ShowWarningToast(string.Format("Please check the Vision Recipe of the currently active Recipe."));
                return;
            }

            if (_SeqScoutFlyingVision.RunState == SequenceRunState.Running) {
                MessageUtil.ShowWarningToast(string.Format("이미 시퀀스가 Start 상태입니다.", "SeqScoutFlyingVision"), Log);
                return;
            }

            var scoutSeqParams = new ScoutSeqParams(VisionRecipeManager.GetFovInfos()[0], eDisplayType.Machine_B);
            var param = new SeqScoutFlyingVision_InitParam() {
                IsRealTimeScout = false,
                ScoutSeqParams = scoutSeqParams,
                SequenceAutoRunCount = 0,
                WeldingScannerListNo = eListNo.LIST2,
            };

            PopupSequenceDiagram(ref _WinSequenceDiagramScoutFlyingVision, CommonSequenceIds.SeqScoutFlyingVision, param);

            IsSequenceRunning_ScoutFlyingVision = true;
            _SeqScoutFlyingVision.Start(param, OnCompleteScoutFlyingVision);

        }

        private void OnCompleteScoutFlyingVision(SequenceActionResult res)
        {
            if (res != null) {
                if (res.Param is SeqScoutFlyingVision_OutParam result && result.Success == true) {
                    IsSequenceRunning_ScoutFlyingVision = false;
                    MessageUtil.ShowSuccessToast(string.Format("Success SeqScoutFlyingVision"));

                    CloseSequenceDiagram(_WinSequenceDiagramScoutFlyingVision);
                    return;
                }
            }

            if (_Laser.GetLaserReady()) {
                _Laser.LaserOff();
            }

            IsSequenceRunning_ScoutFlyingVision = false;
            MessageUtil.ShowWarningToast(string.Format("Fail SeqScoutFlyingVision"));
        }

        private void PerformCmdStopScoutFlyingVision(object obj)
        {
            if (_SeqScoutFlyingVision.RunState == SequenceRunState.Idle) {
                return;
            }

            IsSequenceRunning_ScoutFlyingVision = false;
            _SeqScoutFlyingVision.Stop();
        }

        private void PerformCmdRunTeachingRun(object obj)
        {
            var result = MessageUtil.ShowYesNoMessageDialog("Teaching Run", "Start TeachingRun Sequence?");
            if (result == false) {
                return;
            }

            if (IsLaserReady == false) {
                MessageUtil.ShowWarningToast(string.Format("Please check Laser Ready."));
                return;
            }

            // TODO: PRIBAT_L1, PRIBAT_L2 에서 Suction 과 CLAMP 상태 등에 따라 Laser 가 나가지 않도록 해야 함.
            // TODO: 이 부분은, Delegate 를 사용해서, Interlock 을 각 장비별로 설정할 수 있도록 해주는게 좋겠음.

            if (_SeqTeachingRun.RunState == SequenceRunState.Running) {
                MessageUtil.ShowWarningToast(string.Format("이미 시퀀스가 Start 상태입니다.", "SeqTeachingRun"), Log);
                return;
            }

            // TODO: NeedSetLaserTiming 는 트럼프 레이저 를 사용할 때, UploadWeldingList Sequence 에서 LaserTiming Set 을 해야 할때 사용함.
            // TODO: SMW 와 LHS 는 트럼프 레이저를 사용하지 않으므로 false, PRIBAT_L1 과 PRIBAT_L2 할때 LaserType 을 읽어서 설정하는 것으로 추가하자

            var currentModelInfo = EquipmentSpecificModelUtil.GetCurrentRecipeEquipmentSpecificModel();
            if (currentModelInfo.equipmentSpecificModel == null) {
                MessageUtil.ShowWarningToast(string.Format("선택된 model 이 없습니다.", "SeqTeachingRun"));
                return;
            }

            var intervalTimeBlowOn = 0;
            var intervalTimeBlowOff = 0;

            if (currentModelInfo.equipmentSpecificModel.UseBlow) {
                intervalTimeBlowOn = currentModelInfo.equipmentSpecificModel.IntervalTimeBlowOn;
                intervalTimeBlowOff = currentModelInfo.equipmentSpecificModel.IntervalTimeBlowOff;
            }

            var param = new SeqTeachingRun_InitParam() {
                IsObjectSelectAll = IsObjectSelectAll,

                //UseStream = _EquipmentInfo.UseStream,
                UseStream = currentModelInfo.equipmentSpecificModel.UseStream,

                UseBlow = currentModelInfo.equipmentSpecificModel.UseBlow,
                IntervalTimeBlowOn = intervalTimeBlowOn,
                IntervalTimeBlowOff = intervalTimeBlowOff,

                NeedSetLaserTiming = false,
            };
            
            //PopupSequenceDiagram(ref _WinSequenceDiagramTeachingRun, CommonSequenceIds.SeqComponentTeachingRun, param);

            IsSequenceRunning_TeachingRun = true;
            _SeqTeachingRun.Start(param, OnCompleteTeachingRun);

        }

        private void OnCompleteTeachingRun(SequenceActionResult res)
        {
            
            //if (res != null) {
            //    if (res.Param is SeqTeachingRun_OutParam result && result.Success == true) {
            //        IsSequenceRunning_TeachingRun = false;
            //        MessageUtil.ShowSuccessToast(string.Format("Success SeqTeachingRun"));

            //        CloseSequenceDiagram(_WinSequenceDiagramTeachingRun);
            //        return;
            //    }
            //}

            if (_Laser.GetLaserReady()) {
                _Laser.LaserOff();
            }

            IsSequenceRunning_TeachingRun = false;
            //MessageUtil.ShowWarningToast(string.Format("Fail SeqTeachingRun"));
        }

        private void PerformCmdStopTeachingRun(object obj)
        {
            IsSequenceRunning_TeachingRun = false;
            if (_SeqTeachingRun.RunState == SequenceRunState.Idle) {
                return;
            }

            _SeqTeachingRun.Stop();
        }


        private void PopupSequenceDiagram(ref WinSequenceDiagram winSequenceDiagram, string seqId, object param)
        {
            if (winSequenceDiagram == null) {
                winSequenceDiagram = new WinSequenceDiagram(seqId);
                winSequenceDiagram.Closing += ClosingEvent;
                winSequenceDiagram.SetParam(new SeqDrawerParam() {
                    SequenceId = seqId,
                    DiagramType = eDiagramType.Tree,
                    LineType = eLineType.Straight,
                    IsShowSubSequence = false,
                    VisibleKeys = new List<string>()
                });

                winSequenceDiagram.Owner = Application.Current.MainWindow;
                winSequenceDiagram.Width = 600;
                winSequenceDiagram.SequenceParam = param;
                winSequenceDiagram.Show();
            } else {
                winSequenceDiagram.SequenceParam = param;
                winSequenceDiagram.WindowState = WindowState.Normal;
                winSequenceDiagram.Show();
            }
        }
        private void CloseSequenceDiagram(WinSequenceDiagram winSequenceDiagram)
        {
            Application.Current.Dispatcher.Invoke(() => {
                if (winSequenceDiagram != null) {
                    winSequenceDiagram.Close();
                }
            });
        }
        private void ClosingEvent(object sender, CancelEventArgs e)
        {
            e.Cancel = true;
            (sender as Window).Hide();
        }

        private void PerformCmdLaserGuideBeam(object obj)
        {
            // Guide Beam DO 17 토글 — 모니터링도 같은 DO 17 을 읽어 표시
            //  IO 미연결 가드는 현장PC에서 동작 안 해 주석 (개발PC에서 주석 해제)
            //if (_IODevice == null || !_IODevice.IsConnected()) {
            //    return;
            //}
            bool cur = _IODevice.ReadDO(17);
            _IODevice._iOUnit.WriteDoBit(17, !cur);

            // [기존 소스 보존] Laser 디바이스 기반 Pilot On/Off 토글 (DO 3=GuideLaserEnable)
            //if (!_Laser.GetPilotLaserSetBitStatus()) {
            //    _Laser.PilotLaserOn();
            //} else {
            //    _Laser.PilotLaserOff();
            //}
        }

        private void PerformCmdLaserReadyCheck(object obj)
        {
            // 추후 Write bit 파라미터화 해야함
            if(toggleIO)
            {
                _IODevice._iOUnit.WriteDoBit(9, true);
                _IODevice._iOUnit.WriteDoBit(13, true);
                toggleIO = false;
            }
            else
            {
                _IODevice._iOUnit.WriteDoBit(9, false);
                _IODevice._iOUnit.WriteDoBit(13, false);
                toggleIO = true;
            }
        }

        private void PerformCmdToggleScannerCamView(object obj)
        {
            if (_ScannerCamWindow == null) {
                _ScannerCamWindow = new WDScannerCamMotion(_Aurora, CommonDeviceIds.Scanner) {
                    Owner = Application.Current.MainWindow,
                };
            }

            if (_ScannerCamWindow.IsVisible) {
                _ScannerCamWindow.Hide();
            } else {
                _ScannerCamWindow.Show();
                _ScannerCamWindow.Activate();
            }
        }

        private void PerformCmdImportObjectFromDXF(object obj)
        {
            System.Windows.Forms.FileDialog dlg = new System.Windows.Forms.OpenFileDialog();
            dlg.InitialDirectory = @"D:\share\jungwoo.jin\모바일글라스도면 외 (3) 파일_20241028";
            dlg.DefaultExt = "dxf";
            dlg.Filter = "DXF 도면 파일 (*.dxf)|*.dxf";
            dlg.Title = "DXF 도면 열기";

            if (dlg.ShowDialog() == System.Windows.Forms.DialogResult.OK) {
                CommonHelper.GetMainPage().DxfParser(dlg.FileName);
            }
        }
    }
}