using ComPDFKit.PDFWatermark;
using PDF_Master.Model;
using PDF_Master.Model.EditTools.Watermark;
using Prism.Commands;
using Prism.Mvvm;
using Prism.Regions;
using Prism.Services.Dialogs;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Media.Imaging;
using System.Windows.Resources;

namespace PDF_Master.ViewModels.Dialog.ServiceDialog
{
    public class SubscriptionDialogViewModel : BindableBase, IDialogAware
    {
        public string Title => "";
        private WatermarkInfo watermarkInfo;
        private CPDFWatermark watermark;
        private ViewContentViewModel viewContentViewModel;
        public event Action<IDialogResult> RequestClose;

        #region 文案



        #endregion

        private string _uristore = "https://www.pdfreaderpro.com/windows/store/permanent";
        public string Uristore
        {
            get { return _uristore; }
            set
            {
                SetProperty(ref _uristore, value);

            }
        }

        public DelegateCommand LinkstoreCommand { get; set; }
         public DelegateCommand WarermarkSavingCommand { get; set; }
        
        private void InitString()
        {

           
        }


        public SubscriptionDialogViewModel(IRegionManager regionManager, IDialogService dialogService)
        {

            LinkstoreCommand = new DelegateCommand(Linkstore);
            WarermarkSavingCommand = new DelegateCommand(WarermarkSaving);
            InitString();

        }
        private void Linkstore()
        {

            Process.Start(new ProcessStartInfo(Uristore));
        }

        private void WarermarkSaving()
        {

            //string imagePath = "pack://application:,,,/PDF Master;component/Resources/Service/Warermark.png";
            //string imagePath = "D:/PDF Office/PDF Office/Resources/Service/Warermark.png";
            //Uri imageUri = new Uri(imagePath);
            //BitmapImage bitmapImage = new BitmapImage(imageUri);
            //byte[] imageArray;
            //using (MemoryStream memoryStream = new MemoryStream())
            //{
            //    PngBitmapEncoder encoder = new PngBitmapEncoder();
            //    encoder.Frames.Add(BitmapFrame.Create(bitmapImage));
            //    encoder.Save(memoryStream);
            //    imageArray = memoryStream.ToArray();
            //}
            //long imageSize = imageArray.Length;
            //int imageWidth = bitmapImage.PixelWidth;
            //int imageHeight = bitmapImage.PixelHeight;


            Uri resourceUri = new Uri("pack://application:,,,/PDF Master;component/Resources/Service/Warermark.png");
            StreamResourceInfo resourceInfo = Application.GetResourceStream(resourceUri);
                if (resourceInfo != null)
                {
                    using (Stream stream = resourceInfo.Stream)
                    {
                        BitmapFrame frame = null;
                        int width = 0;
                        int height = 0;
                        BitmapDecoder decoder = BitmapDecoder.Create(stream, BitmapCreateOptions.None, BitmapCacheOption.Default);
                        if (decoder != null && decoder.Frames.Count > 0)
                        {
                            frame = decoder.Frames[0];
                        }
                        if (frame != null)
                        {
                            var ImageArray = new byte[frame.PixelWidth * frame.PixelHeight * 4];
                            width = frame.PixelWidth;
                            height = frame.PixelHeight;
                            frame.CopyPixels(ImageArray, frame.PixelWidth * 4, 0);
                            watermark = viewContentViewModel.PDFViewer.Document.InitWatermark(C_Watermark_Type.WATERMARK_TYPE_IMG);
                            watermark.SetImage(ImageArray, width, height);
                            watermark.SetScale(1);
                            watermark.SetRotation(0);
                            watermark.SetOpacity(255);
                            watermark.SetFront(false);
                            watermark.SetVertalign(C_Watermark_Vertalign.WATERMARK_VERTALIGN_TOP);
                            watermark.SetHorizalign(C_Watermark_Horizalign.WATERMARK_HORIZALIGN_LEFT);
                            watermark.SetFullScreen(false);
                            watermark.SetVertOffset(0);
                            watermark.SetHorizOffset(0);
                            watermark.SetHorizontalSpacing(0);
                            watermark.SetVerticalSpacing(0);
                        string setpages = $"0-{viewContentViewModel.PDFViewer.Document.PageCount.ToString()}";
                            watermark.SetPages(setpages);
                            watermark.UpdateWatermark();
                        viewContentViewModel.PDFViewer.Document.ReleasePages();
                        viewContentViewModel.PDFViewer.ReloadDocument();
                        //viewContentViewModel.saveFile();
                        Close();
                    }
                   
                }

               
            }




         

        }

        public void Close()
        {
            RequestClose?.Invoke(new Prism.Services.Dialogs.DialogResult(ButtonResult.Cancel));
        }

        public bool CanCloseDialog()
        {
            return true;
        }

        public void OnDialogClosed()
        {

        }

        public void OnDialogOpened(IDialogParameters parameters)
        {
            parameters.TryGetValue<ViewContentViewModel>(ParameterNames.ViewContentViewModel, out viewContentViewModel);

        }

    }   
}