using Aurora;
using Aurora.Api;
using Aurora.View;
using AuroraCAS;
using MilUI;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reactive.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;
using VisionCommon;

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

        public ICommand CMD_ShowSelectFieldWindow { get; }

        private readonly IAuroraEnvironment _Aurora;

        private WDSelectScoutField _SelectFieldWindow;

        public UCScannerMotionViewModel ScannerMotionViewModel { get; }
        public UCScannerLaserControlViewModel ScannerLaserControlViewModel { get; }

        public bool IsManualStatus { get => _IsManualStatus; set => SetProperty(ref _IsManualStatus, value); }
        private bool _IsManualStatus = true;

        public UCManualScannerOperationViewModel(IAuroraEnvironment aurora, string scannerId, bool isUseMarkingOntheFly = false)
        {
            _Aurora = aurora;

            CMD_ShowSelectFieldWindow = new DelegateCommand(PerformCmdShowSelectFieldWindow, CanShowSelectFieldWindow);

            ScannerMotionViewModel = new UCScannerMotionViewModel(_Aurora, scannerId);
            ScannerLaserControlViewModel = new UCScannerLaserControlViewModel(_Aurora, scannerId, isUseMarkingOntheFly);

            VisionEnv.AuroraEnv.EventObservable.AsObservable(VisionEventId.SAVE_CHILD_IMAGE_SETTING).
                Where(x => x.From == eCamId.CAM1.ToString()).Subscribe(msg => ShowSelectFieldWindow(msg));

            _Aurora.EventObservable.AsObservable(CommonEventIds.EVENT_EQUIPMENT_STATUS_CHANGE)
                   .Subscribe(x => IsManualStatus = Status.EquipmentStatus == eEqpStatus.Manual);
        }

        private bool CanShowSelectFieldWindow(object o) => _SelectFieldWindow == null;

        private void PerformCmdShowSelectFieldWindow(object o)
        {
            ShowSelectFieldWindow(null);
        }

        private void ShowSelectFieldWindow(EventMessage msg) {
            try {
                Application.Current.Dispatcher.Invoke(
                    new Action(() => {
                        if (_SelectFieldWindow != null) {
                            _SelectFieldWindow.Closed -= (sender, _) => { _SelectFieldWindow = null; };
                            _SelectFieldWindow.Close();
                            _SelectFieldWindow = null;
                        }

                        _SelectFieldWindow = new WDSelectScoutField(_Aurora) {
                            Owner = Application.Current.MainWindow
                        };
                        _SelectFieldWindow.Closed += (sender, _) => { _SelectFieldWindow = null; };
                        _SelectFieldWindow.Show();
                    }));
            }
            catch {

            }
        }

        // TODO: View 에서 해당 button 이 주석 처리 되어 있음.
        //private bool CanShowMotionWindow(object o) => _MotionWindow == null;

        //private void PerformCmdShowMotionWindow(object o)
        //{
        //    if (_MotionWindow == null) {
        //        _MotionWindow = new WDSingleAxisControl(_AuroraEnv) {
        //            Owner = Application.Current.MainWindow,
        //        };
        //        _MotionWindow.Closed += (sender, _) => { _MotionWindow = null; };
        //    }
        //    _MotionWindow.ShowDialog();
        //}
    }
}