using ComPDFKit.PDFAnnotation;
using ComPDFKitViewer;
using ComPDFKitViewer.AnnotEvent;
using DryIoc;
using Microsoft.Office.Interop.Word;
using PDF_Master.Helper;
using PDF_Master.Model;
using PDF_Master.Model.BOTA;
using Prism.Commands;
using Prism.Mvvm;
using Prism.Regions;
using Prism.Services.Dialogs;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Annotations;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Markup;
using System.Windows.Media;

namespace PDF_Master.ViewModels.Dialog.BOTA
{
public class AddAnnotationDialogViewModel : BindableBase, IDialogAware
{
private string title = "";

public string Title
{
get { return title; }
set { SetProperty(ref title, value); }
}

public event Action<IDialogResult> RequestClose;

    //private string markupContent;

    //public string MarkupContent
    //{
    //    get { return markupContent; }
    //    set
    //    {
    //        SetProperty(ref markupContent, value);
    //    }
    //}
    private string contentText;

    public string ContentText
    {
    get { return contentText; }
    set
    {
    SetProperty(ref contentText, value);
    }
    }

    private string annotationName;

    public string AnnotationName
    {
    get { return annotationName; }
    set
    {
    SetProperty(ref annotationName, value);
    }
    }

    private Visibility tipVisibility = Visibility.Collapsed;

    public Visibility TipVisibility
    {
    get { return tipVisibility; }
    set
    {
    SetProperty(ref tipVisibility, value);
    }
    }

    public AnnotationHandlerEventArgs Annotation { get; set; }
    public AnnotAttribEvent AnnotEvent { get; set; }

    public DelegateCommand CreateCommnad { get; set; }
    public DelegateCommand CancelCommand { get; set; }

    public DelegateCommand<object> LostFocusCommand { get; set; }

        public DelegateCommand<object> KeyDownCommand { get; set; }

            public AddAnnotationDialogViewModel()
            {
            CancelCommand = new DelegateCommand(CancelEvent);
            CreateCommnad = new DelegateCommand(CreateEvent);
            LostFocusCommand = new DelegateCommand<object>(LostFocusEvent);
                KeyDownCommand = new DelegateCommand<object>(KeyDown);
                    }

                    private void KeyDown(object obj)
                    {
                    if (obj is CompositeCommandParameter composite)
                    {
                    if (composite.EventArgs is System.Windows.Input.KeyEventArgs eventArgs)
                    {
                    if (eventArgs.Key == Key.Enter)
                    {
                    LostFocusEvent(obj);
                    }
                    }
                    }
                    }

                    private void LostFocusEvent(object obj)
                    {
                    if (obj is CompositeCommandParameter composite)
                    {
                    if (composite.Parameter is TextBox textBox)
                    {
                    Annotation.Content = textBox.Text;
                    AnnotEvent?.UpdateAttrib(AnnotAttrib.NoteText, textBox.Text);
                    AnnotEvent?.UpdateAnnot();
                    }
                    }
                    }

                    private void CreateEvent()
                    {
                    DialogParameters valuePairs = new DialogParameters();
                    valuePairs.Add(ParameterNames.Annotation, Annotation);
                    valuePairs.Add(ParameterNames.AnnotEvent, AnnotEvent);
                    RequestClose.Invoke(new DialogResult(ButtonResult.OK, valuePairs));
                    }

                    private void CancelEvent()
                    {
                    RequestClose.Invoke(new DialogResult(ButtonResult.Cancel));
                    }

                    public bool CanCloseDialog()
                    {
                    return true;
                    }

                    public void OnDialogClosed()
                    {
                    }

                    public void OnDialogOpened(IDialogParameters parameters)
                    {
                    AnnotationHandlerEventArgs annotation;
                    parameters.TryGetValue<AnnotationHandlerEventArgs>(ParameterNames.Annotation, out annotation);

                        if (annotation != null)
                        {
                        Annotation = annotation;
                        Dictionary<AnnotAttrib, object> annotAttribsList = annotation.AnnotHandlerEventArgs.GetAnnotAttrib();
                            AnnotEvent = AnnotAttribEvent.GetAnnotAttribEvent(annotation.AnnotHandlerEventArgs, annotAttribsList);

                            ContentText = annotation.Content;
                            AnnotationName = "页面" + (annotation.PageIndex + 1).ToString();
                            if (string.IsNullOrEmpty(ContentText))
                            {
                            TipVisibility = Visibility.Visible;
                            }
                            else
                            {
                            TipVisibility = Visibility.Collapsed;
                            }
                            return;
                            }
                            }
                            }
                            }