using Aurora.Api;
using MilUI;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using VisionCommon;
using VisionCommonUI;
using VisionCommonUI.Resources;
using VisionUI;

namespace WeldingCommon.Vision.Common
{
    /// <summary>
    /// 프로젝트 간에 상호 참조를 해결하기 위해 일부 이벤트들을 미리 등록 해놓은 클래스
    /// </summary>
    public class VisionEventManager
    {
        private bool _IsObservableSet = false;

        private static VisionEventManager instance = null;
        public static VisionEventManager Instance {
            get {
                if (instance == null) {
                    instance = new VisionEventManager();
                }
                return instance;
            }
        }

        public void Init()
        {
            SetObservable();
        }

        private void SetObservable()
        {
            if (!_IsObservableSet) {
                VisionEnv.AuroraEnv.EventObservable.
                    AsObservable(VisionEventId.SHOW_CAM_DEVICE_SETTING_WINDOW).Subscribe(msg => ShowCamDeviceSettingWindow(msg));
                VisionEnv.AuroraEnv.EventObservable.
                    AsObservable(VisionEventId.SHOW_REGISTER_PATTERN_WINDOW).Subscribe(msg => ShowRegisterPatternWindow(msg));
                VisionEnv.AuroraEnv.EventObservable.
                    AsObservable(VisionEventId.SHOW_PATTERN_SETTING_WINDOW).Subscribe(msg => ShowPatternSettingWindow(msg));
                VisionEnv.AuroraEnv.EventObservable.
                    AsObservable(VisionEventId.SHOW_PATTERN_SETTING_WINDOW_FORCE_OK).Subscribe(msg => ShowPatternSettingWindow_ForceOk(msg));
                _IsObservableSet = true;
                VisionEnv.AuroraEnv.EventObservable.
                    AsObservable(VisionEventId.CLOSE_VISION_IMAGE_TEST).Subscribe(msg => CloseVisionImageTest(msg));
            }
        }

        #region Camera
        private void ShowCamDeviceSettingWindow(EventMessage msg)
        {
            if (msg.Param != null) {
                Application.Current.Dispatcher.BeginInvoke(
                    new System.Action(() => {
                        var param = (Tuple<FovInfo, ICameraDisplay>)msg.Param;
                        VisionUI.CamDeviceSettingWindow.Instance?.Show(param.Item1, param.Item2);
                    }));
            }
        }
        #endregion

        #region Pattern
        private Window _Window;
        private PatternListViewModel _PatternListViewModel;
        private int _SelectedIdx = 0;

        private void ShowRegisterPatternWindow(EventMessage msg)
        {
            if (msg.Param != null) {
                Application.Current.Dispatcher.BeginInvoke(
                    new System.Action(() => {
                        var param = (Tuple<PatternAgentBase, PatternInfo, Window, PatternListViewModel, int>)msg.Param;

                        PatternAgentBase patternAgent = param.Item1;
                        PatternInfo patternInfo = param.Item2;
                        _Window = param.Item3;
                        _PatternListViewModel = param.Item4;
                        _SelectedIdx = param.Item5;

                        if (_Window == null || !(_Window is IPatternSettingWindow)) {
                            _PatternListViewModel.IsViewEnabled = false;
                            _Window = new RegisterPatternWindow(patternAgent, patternInfo);
                            (_Window as IPatternSettingWindow).ResetPosition();
                            _Window.Closed += OnWindowClosed;
                            _Window.Owner = Application.Current.MainWindow;
                            _Window.Show();
                        } else {
                            _PatternListViewModel.ResetWindow();
                        }
                    }));
            }
        }

        private void ShowPatternSettingWindow(EventMessage msg)
        {
            if (msg.Param != null) {
                Application.Current.Dispatcher.BeginInvoke(
                    new System.Action(() => {
                        var param = (Tuple<PatternAgentBase, PatternInfo, ICameraDisplay, FovInfo, Window, PatternListViewModel, int>)msg.Param;

                        PatternAgentBase patternAgent = param.Item1;
                        PatternInfo patternInfo = param.Item2;
                        ICameraDisplay cameraDisplay = param.Item3;
                        FovInfo fovInfo = param.Item4;
                        _Window = param.Item5;
                        _PatternListViewModel = param.Item6;
                        _SelectedIdx = param.Item7;

                        if (_Window == null || !(_Window is IPatternSettingWindow)) {
                            _PatternListViewModel.IsViewEnabled = false;
                            patternAgent.ReloadPattern(patternInfo);
                            _Window = PatternViewUtil.CreatePatternSettingWindow(
                                patternAgent, patternInfo.Clone() as PatternInfo, _PatternListViewModel.CamViewBase.GetDisplay(), fovInfo);

                            if (_Window == null) {
                                MessageBoxUtil.ShowMessageBoxError(StrTokens.MSG_E_PatternNotFound);
                            } else {
                                (_Window as IPatternSettingWindow).ResetPosition();
                                _Window.Closed += OnWindowClosed;
                                _Window.Show();
                            }
                        } else {
                            _PatternListViewModel.ResetWindow();
                        }
                    }));
            }
        }

        private void OnWindowClosed(object sender, EventArgs e)
        {
            _Window = null;
            if (_PatternListViewModel != null) {
                _PatternListViewModel.IsViewEnabled = true;
                _PatternListViewModel.InitPatternList(_SelectedIdx);
            }
        }
        #endregion

        #region ForceOk
        private Window _Window_ForceOk;
        private ForceOkView _ForceOkView;

        private void ShowPatternSettingWindow_ForceOk(EventMessage msg)
        {
            if (msg.Param != null) {
                Application.Current.Dispatcher.BeginInvoke(
                    new System.Action(() => {
                        var param = (Tuple<PatternAgentBase, PatternInfo, ICameraDisplay, FovInfo, Window, ForceOkView>)msg.Param;

                        PatternAgentBase patternAgent = param.Item1;
                        PatternInfo patternInfo = param.Item2;
                        ICameraDisplay cameraDisplay = param.Item3;
                        FovInfo fovInfo = param.Item4;
                        _Window_ForceOk = param.Item5;
                        _ForceOkView = param.Item6;

                        if (_Window_ForceOk == null) {
                            patternAgent.ReloadPattern(patternInfo);
                            _Window_ForceOk = PatternViewUtil.CreatePatternSettingWindow(
                                patternAgent, patternAgent.GetMainPatternInfo(patternInfo), cameraDisplay, fovInfo);

                            if (_Window_ForceOk != null) {
                                (_Window_ForceOk as IPatternSettingWindow).ResetPosition();
                                _Window_ForceOk.Closed += OnWindowClosed;
                                _Window_ForceOk.Show();
                            }
                        } else {
                            if (_Window_ForceOk.WindowState == WindowState.Minimized) {
                                _Window_ForceOk.WindowState = WindowState.Normal;
                            }
                              (_Window_ForceOk as IPatternSettingWindow).ResetPosition();
                        }
                    }));
            }
        }

        private void OnWindowClosed_ForceOk(object sender, EventArgs e)
        {
            _ForceOkView.Clear();
        }
        #endregion

        #region Vision Image Test
        private void CloseVisionImageTest(EventMessage msg)
        {
            if (msg.Param != null) {
                Application.Current.Dispatcher.BeginInvoke(new Action(() => {
                    var param = (Tuple<object, int>)msg.Param;

                    PatternListViewModel patternListViewModel = param.Item1 as PatternListViewModel;
                    int selectedIdx = param.Item2;

                    patternListViewModel.IsViewEnabled = true;
                    patternListViewModel.InitPatternList(selectedIdx);
                }));

            }
        }
        #endregion
    }
}