using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
using System.IO.Compression;
using System.IO;
using System.DirectoryServices;
using System.ServiceModel.Configuration;

namespace Project
{
    static class Program
    {
        /// <summary>
        /// 해당 응용 프로그램의 주 진입점입니다.
        /// </summary>
        [STAThread]
        static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            // Application.ThreadException += new System.Threading.ThreadExceptionEventHandler(Application_ThreadException);
            // AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);

            var fi = new System.IO.FileInfo("WebView2Runtime.zip");
            if (fi.Exists)
            {
                var existlen = 0;
                var webruntimepath = new System.IO.DirectoryInfo("WebView2Runtime");
                if (webruntimepath.Exists)
                {
                    var filen = new System.IO.FileInfo("WebView2Runtime\\version.txt");
                    if(filen.Exists)
                    {
                        var verstr = System.IO.File.ReadAllText(filen.FullName);
                        int.TryParse(verstr, out existlen);
                    }
                }
                if(existlen != fi.Length)
                {
                    //fi 파일의 압축을 해제한다.
                    var fprogress = new Dialog.fUnZip();
                    fprogress.TopMost = true; 
                    fprogress.Show();
                    Application.DoEvents();
                    try
                    {
                        if (webruntimepath.Exists)
                        {
                            fprogress.label1.Text = "기존폴더삭제";
                            Application.DoEvents();
                            webruntimepath.Delete(true);

             
                        }
                        var diruntime = new System.IO.DirectoryInfo("runtimes");
                        if (diruntime.Exists) diruntime.Delete(true);
                        webruntimepath.Create();
                        diruntime.Create();

                        
                        using (var archive = ZipFile.OpenRead(fi.FullName))
                        {
                            int totalFiles = archive.Entries.Count;
                            int currentFile = 0;
                            long totalSize = archive.Entries.Sum(e => e.Length);
                            long extractedSize = 0;
                            
                            foreach (var entry in archive.Entries)
                            {
                                currentFile++;
                                extractedSize += entry.Length;
                                int progress = (int)((extractedSize * 100) / totalSize);
                                
                                fprogress.label1.Text = $"압축 해제 중... ({currentFile}/{totalFiles})";
                                fprogress.label2.Text = $"{entry.FullName} ({progress}%)";
                                fprogress.progressBar1.Value = progress;
                                Application.DoEvents();
                                
                                string destinationPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, entry.FullName);
                                string destinationDir = Path.GetDirectoryName(destinationPath);
                                
                                if (!Directory.Exists(destinationDir))
                                    Directory.CreateDirectory(destinationDir);
                                    
                                if (entry.Length > 0)
                                    entry.ExtractToFile(destinationPath, true);
                            }
                        }
                        
                        System.IO.File.WriteAllText("WebView2Runtime\\version.txt", fi.Length.ToString());
                    }
                    catch (Exception ex)
                    {
                        fprogress.Hide();
                        MessageBox.Show($"WebView2 Runtime 압축 해제 중 오류가 발생했습니다: {ex.Message}", "오류", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                    finally {
                        fprogress.Dispose();
                    }
                }
            }

            
            SqlServerTypes.Utilities.LoadNativeAssemblies(AppDomain.CurrentDomain.BaseDirectory);

            Application.Run(new fMain());
        }

        static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
        {
            string emsg = "Fatal Error(UHE)\n\n" + e.ExceptionObject.ToString();
            Pub.log.AddE(emsg);
            Pub.log.Flush();
            Util.SaveBugReport(emsg);
            var f = new fErrorException(emsg);
            f.ShowDialog();
            Application.ExitThread();
        }

        static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs e)
        {
            string emsg = "Fatal Error(ATE)\n\n" + e.Exception.ToString();
            Pub.log.AddE(emsg);
            Pub.log.Flush();
            Util.SaveBugReport(emsg);
            var f = new fErrorException(emsg);
            f.ShowDialog();
            Application.ExitThread();
        }
    }
}