using PdfSharpCore.Drawing;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Forms;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using PdfiumViewer;

namespace XGLFinishPro.Views
{
    /// <summary>
    /// FlowInfoWin.xaml 的交互逻辑
    /// </summary>
    public partial class SopInfoWin : Window
    {
        DataTable _dt;
        Image imgSop = new Image();
        private System.Windows.Forms.WebBrowser webBrowser;

        public SopInfoWin()
        {
            InitializeComponent();
        }

        public SopInfoWin(DataTable dt)
        {
            InitializeComponent();
            _dt = dt;
        }
        private void Back_Click(object sender, RoutedEventArgs e)
        {
            this.Close();
        }


      
        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            this.WindowState = WindowState.Maximized;
            if (_dt == null || _dt.Rows.Count == 0) return;

            string address = _dt.Rows[0][0].ToString();
            if (address.ToLower().Contains(".png") || address.ToLower().Contains(".jpg"))
            {
                windowsFormsHost.Visibility = Visibility.Collapsed;
                pdfViewer.Visible = false;
                System.Windows.Media.Imaging.BitmapImage src = new System.Windows.Media.Imaging.BitmapImage();
                src.BeginInit();
                src.UriSource = new Uri(address, UriKind.Relative);
                src.CacheOption = System.Windows.Media.Imaging.BitmapCacheOption.OnLoad;
                src.EndInit();
                imgSop.Stretch = System.Windows.Media.Stretch.Fill;
                imgSop.Source = src;

                Window2.Content = new Frame
                {
                    Content = imgSop
                };

            }
            if (address.ToLower().Contains(".doc") || address.ToLower().Contains(".docx") || address.ToLower().Contains(".xls") || address.ToLower().Contains(".xlxs"))
            {
                imgSop.Visibility = Visibility.Collapsed;
                pdfViewer.Visible = false;
                windowsFormsHost.Visibility = Visibility.Visible;
                InitializeOfficeViewer(address);
            }
            if (address.ToLower().Contains(".pdf"))
            {
                windowsFormsHost.Visibility = Visibility.Collapsed;
                imgSop.Visibility = Visibility.Collapsed;
                pdfViewer.Visible = true;
                LoadPdfFile(address);
            } 
        }
        private void LoadPdfFile(string filePath)
        {
            try
            {
                PdfDocument pdfDocument =  PdfDocument.Load(filePath);
      
                pdfViewer.Document = pdfDocument;
            }
            catch (Exception ex)
            {
                // 处理加载 PDF 文件的异常
                System.Windows.MessageBox.Show("无法加载 PDF 文件：" + ex.Message);
            }
        }

        private void InitializeOfficeViewer(string filePath)
        {
            webBrowser = new System.Windows.Forms.WebBrowser();

            // Add WebBrowser control to WindowsFormsHost
            windowsFormsHost.Child = webBrowser;

            // Load and display the Office document
            LoadOfficeDocument("path_to_your_office_document.docx");
        }

        private void LoadOfficeDocument(string filePath)
        {
            try
            {
                webBrowser.Navigate(filePath);
            }
            catch (Exception ex)
            {
                System.Windows.MessageBox.Show($"Error loading Office document: {ex.Message}", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        private void dgFlow_LoadingRow(object sender, DataGridRowEventArgs e)
        {
            e.Row.Header = (e.Row.GetIndex() + 1).ToString();
        }
    }
}