namespace SinMaiLauncher.Interops
{
    using System.Diagnostics;
    using System.Text;
    using Vanara.Extensions;
    using Vanara.PInvoke;
    using static Vanara.PInvoke.Shell32;

    using IServiceProvider = Vanara.PInvoke.Shell32.IServiceProvider;

    public static class ExplorerInterops
    {
        private static readonly Guid SID_STopLevelBrowser = new("4C96BE40-915C-11CF-99D3-00AA004AE837");

        internal static ILogger? logger = null;

        static ExplorerInterops()
        {
            Ole32.CoInitializeEx(IntPtr.Zero, Ole32.COINIT.COINIT_APARTMENTTHREADED);
        }

        public static string[] GetOpenWindows()
        {
            var shellWindows = new SHDocVw.ShellWindows();

            var lst = new List<string>();

            foreach (var window in shellWindows)
            {
                try
                {
                    var svcProvider = (IServiceProvider)window;
                    var shellBrowser = svcProvider.QueryService<IShellBrowser>(SID_STopLevelBrowser);

                    IShellView? shellView = null;
                    shellBrowser?.QueryActiveShellView(out shellView);
                    object qiFolderView = null;
                    shellView?.QueryInterface(typeof(IFolderView).GUID, out qiFolderView);
                    var fv = (IFolderView)qiFolderView;

                    var objPf = fv?.GetFolder(typeof(IPersistFolder2).GUID);
                    var pf2 = (IPersistFolder2)objPf;

                    var pIdl = PIDL.Null;// new("");
                    pf2?.GetCurFolder(ref pIdl);

                    var sb = new StringBuilder(260);
                    if (SHGetPathFromIDList(pIdl, sb))
                    {
                        lst.Add(sb.ToString());
                    }
                    else
                    {
                        //var so1 = SHGetNameFromIDList(pidl, SIGDN.SIGDN_NORMALDISPLAY, out var name);
                        var so2 = SHGetNameFromIDList(pIdl, SIGDN.SIGDN_DESKTOPABSOLUTEPARSING, out var clsid);
                        if (so2.Succeeded) lst.Add(clsid);
                    }
                    pIdl.Dispose();
                }
                catch (Exception e)
                {
                    var breakPoint = 0;
                }
            }

            return lst.ToArray();
        }

        public static void KillExplorer()
        {
            try
            {
                Process.Start(new ProcessStartInfo
                {
                    FileName = "taskkill",
                    Arguments = "/f /im explorer.exe",
                    CreateNoWindow = true, // 不显示命令行窗口
                    UseShellExecute = false // 不需要 Shell 执行
                })?.WaitForExit();
            }
            catch (Exception)
            {
                var breakPoint = 0;
            }
        }

        public static void RestoreExplorer() => Process.Start("explorer.exe");

        public static void OpenWindow(IReadOnlyList<string> pathOrClsid)
        {
            logger?.LogInformation($"Restore explorer total: {pathOrClsid.Count}");

            for (var index = 0; index < pathOrClsid.Count; index++)
            {
                var poc = pathOrClsid[index];
                try
                {
                    logger?.LogInformation($"Restore explorer[{index}]: {poc}");

                    Process.Start(new ProcessStartInfo
                    {
                        FileName = "explorer.exe",
                        Arguments = $"\"{poc}\"", // 支持路径或 CLSID
                        UseShellExecute = true
                    });
                }
                catch (Exception)
                {
                    var breakPoint = 0;
                }
            }
        }
    }
}