using AddInPlugin.Setting;
using Microsoft.Win32;
using SeqEditor.Util;
using System.Diagnostics;
using System.IO;
using System.Management;
using System.Reflection;
using System.Windows;

namespace OpenTapEditor;

public class GlobalConfig
{
    public double GlobalFontSize { get; set; } = 14;
}
public class GlobalConfigHolder
{
    public static GlobalConfig Config { get; internal set; }
}

/// <summary>
/// Interaction logic for App.xaml
/// </summary>
public partial class App : Application
{
    public App()
    {
        AppDomain.CurrentDomain.FirstChanceException += CurrentDomain_FirstChanceException; ;
        AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
    }

    private void CurrentDomain_FirstChanceException(object sender, System.Runtime.ExceptionServices.FirstChanceExceptionEventArgs e)
    {
        //var ex = e.Exception;
        //MessageBox.Show(ex?.Message, "未知错误");
    }

    private void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
    {
        var ex = e.ExceptionObject as Exception;
        // Log.Error($"UnhandledException. {ex}");
        MessageBox.Show(ex?.Message, "未知错误");
    }

    private void WriteRegister()
    {
        string Company = "JingCe", Program = "SeqEditor";
        try
        {
            string registryPath = @$"SOFTWARE\{Company}\{Program}";

            using RegistryKey key = Registry.CurrentUser.CreateSubKey(registryPath, true)
                ?? throw new Exception("无法创建或打开注册表键");
            string path = AppDomain.CurrentDomain.BaseDirectory;
            key.SetValue("Location", path, RegistryValueKind.String);
        }
        catch (Exception ex)
        {
            //log.Error("Write Register Failed.", ex);
        }
    }

    public static Process GetProcess()
    {
        Process cur = Process.GetCurrentProcess();
        string exePath = Assembly.GetExecutingAssembly().Location;
        string query = $"SELECT ProcessId FROM Win32_Process WHERE ExecutablePath = '{exePath.Replace("\\", "\\\\")}'";
        using (var searcher = new ManagementObjectSearcher(query))
        {
            foreach (var obj in searcher.Get())
            {
                int processId = Convert.ToInt32(obj["ProcessId"]);
                if (processId != cur.Id)
                {
                    return Process.GetProcessById(processId);
                }
            }
        }
        return null;
    }

    private void LoadConfig()
    {
        this.Resources["GlobalFontSize"] = StationSettings.Current.FontSize;
    }

    protected override void OnStartup(StartupEventArgs e)
    {
        base.OnStartup(e);   // 放在最后，确保后续逻辑用到时已在内存
    }

    private static void PreloadAllAssemblies()
    {
        var dirs = new System.Collections.Generic.List<string>
        {
            AppDomain.CurrentDomain.BaseDirectory
        };

        string privatePath = "3rds;Libs";
        if (!string.IsNullOrEmpty(privatePath))
        {
            foreach (var p in privatePath.Split(';'))
            {
                string full = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, p.Trim());
                if (Directory.Exists(full)) dirs.Add(full);
            }
        }

        foreach (var dir in dirs)
        {
            foreach (string dll in Directory.GetFiles(dir, "*.dll"))
            {
                try
                {
                    var ass = Assembly.LoadFrom(dll);   // 按名称加载，自动去重
                }
                catch (BadImageFormatException)
                {
                    /* 本机/C++ DLL，跳过 */
                }
                catch (FileLoadException)
                {
                    /* 已加载/强命名不匹配，跳过 */
                }
                catch (FileNotFoundException)
                {
                    /* 依赖缺失，跳过 */
                }
                catch
                {
                    /* 其余异常跳过 */
                }
            }
        }
    }


    private Mutex mutex;
    public void Application_Startup(object sender, StartupEventArgs e)
    {
        var process = GetProcess();

        mutex = new Mutex(true, "OpenTapEditor_OnlyRun_CRNS");
        if (mutex.WaitOne(0, false))//&& process == null
        {
            WriteRegister();
            LoadConfig();
            LangUtil.Load();

            //LoadingWindow window = new LoadingWindow();
            MainWindow window = new MainWindow();
            window.Show();
        }
        else
        {
            MessageBox.Show("程序已经在运行！", "提示");
            this.Shutdown();
        }

    }
}