using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Resources;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Data;
using System.Windows.Threading;
using System.Xml;
using ComPDFKit.NativeMethod;
using Compdfkit_Tools.Helper;
using PDFViewer.Properties;

namespace PDFViewer
{
    /// <summary>
    /// Interaction logic for App.xaml
    /// </summary>
    public partial class App : Application
    {
        public static string CurrentCulture = Settings.Default.Cultrue;
        public static List<string> SupportedCultureList = new List<string>()
        {
            "en-US", "zh-CN"
        };

        public static FilePathList OpenedFilePathList = new FilePathList();
        public static ResourceManager MainResourceManager = new ResourceManager("PDFViewer.Strings.SettingDialog", Assembly.GetExecutingAssembly());

        public App()
        {
            this.DispatcherUnhandledException += App_DispatcherUnhandledException;
            AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
            TaskScheduler.UnobservedTaskException += TaskScheduler_UnobservedTaskException;
        }


        private void TaskScheduler_UnobservedTaskException(object sender, UnobservedTaskExceptionEventArgs e)
        {
            var ex = e.Exception as Exception;
            if (ex != null)
            {
                MessageBox.Show("发生Task未处理异常:" + ex.Message + "\n" + ex.StackTrace, "系统错误", MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        private void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
        {
            if (e.ExceptionObject is System.Exception)
            {
                Exception ex = (System.Exception)e.ExceptionObject;
                MessageBox.Show("发生非UI线程异常:" + ex.Message + "\n" + ex.StackTrace, "系统错误", MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        private void App_DispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e)
        {
            e.Handled = true;
            MessageBox.Show("发生UI线程异常:" + e.Exception.Message + "\n" + e.Exception.StackTrace, "系统错误", MessageBoxButton.OK, MessageBoxImage.Error);
        }

        protected override void OnStartup(StartupEventArgs e)
        {
            if (string.IsNullOrEmpty(CurrentCulture))
            {
                CurrentCulture = CultureInfo.CurrentCulture.Name;
                if (!SupportedCultureList.Contains(CurrentCulture))
                {
                    CurrentCulture = "en-US";
                }
                Settings.Default.Cultrue = CurrentCulture;
                Settings.Default.Save();
            }

            Thread.CurrentThread.CurrentUICulture = new CultureInfo(CurrentCulture);
            Thread.CurrentThread.CurrentCulture = new CultureInfo(CurrentCulture);
            base.OnStartup(e);
            LicenseVerify();
            HistoryFile(@"TestFile\ComPDFKit_Sample_File_Windows.pdf");
            FileHistoryHelper<PDFFileInfo>.Instance.LoadHistory();
        }

        private static bool LicenseVerify()
        {
            if (!CPDFSDKVerifier.LoadNativeLibrary())
                return false;

            string license = "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";
            LicenseErrorCode verifyResult = CPDFSDKVerifier.LicenseVerify(license, false);
            return (verifyResult == LicenseErrorCode.E_LICENSE_SUCCESS);
        }

        private void HistoryFile(string item)
        {
            PDFFileInfo fileInfo = new PDFFileInfo();
            fileInfo.FilePath = item;
            fileInfo.FileName = Path.GetFileName(item);
            fileInfo.FileSize = CommonHelper.GetFileSize(fileInfo.FilePath);
            fileInfo.OpenDate = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
            FileHistoryHelper<PDFFileInfo>.Instance.AddHistory(fileInfo);
            FileHistoryHelper<PDFFileInfo>.Instance.SaveHistory();
        }
    }

    public class FilePathList : List<string>
    {
        public new void Add(string item)
        {
            base.Add(item);
        }
    }

    public class ResourceConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (parameter == null || string.IsNullOrEmpty(parameter.ToString()))
            {
                return string.Empty;
            }
            return App.MainResourceManager.GetString(parameter.ToString());
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotSupportedException();
        }
    }

}