inputs:
{
  imports = inputs.localLib.findModules ./.;
  config = inputs.lib.mkIf (builtins.elem "desktop" inputs.config.nixos.packages._packageSets)
  {
    nixos.user.sharedModules =
    [{
      config.programs.plasma = inputs.lib.mkMerge
      [
        # TODO: autostart, panel, discard user changed settings
        # general
        {
          enable = true;
          configFile.plasma-localerc = { Formats.LANG.value = "en_US.UTF-8"; Translations.LANGUAGE.value = "zh_CN"; };
        }
        # kwin
        {
          kwin.titlebarButtons =
          {
            right = [ "help" "keep-below-windows" "keep-above-windows" "minimize" "maximize" "close" ];
            left = [ "more-window-actions" ];
          };
          windows.allowWindowsToRememberPositions = false;
          configFile =
          {
            plasmanotifyrc.Notifications.PopupPosition.value = "BottomRight";
            kwinrc =
            {
              Tiling.padding.value = 4;
              Wayland."InputMethod[$e]".value = "/run/current-system/sw/share/applications/org.fcitx.Fcitx5.desktop";
              Windows.RollOverDesktops.value = true;
              Compositing = { AllowTearing.value = false; WindowsBlockCompositing.value = false; };
            };
          };
        }
        # baloo
        { configFile.baloofilerc."Basic Settings".Indexing-Enabled.value = false; }
        # dolphin and file chooser
        {
          configFile =
          {
            dolphinrc =
            {
              General = { ShowFullPath.value = true; FilterBar.value = true; RememberOpenedTabs.value = false; };
              PreviewSettings.Plugins.value = builtins.concatStringsSep ","
              [
                "blenderthumbnail"
                "comicbookthumbnail"
                "djvuthumbnail"
                "ebookthumbnail"
                "exrthumbnail"
                "marble_thumbnail_geojson"
                "marble_thumbnail_gpx"
                "jpegthumbnail"
                "marble_thumbnail_kmz"
                "marble_thumbnail_kml"
                "kraorathumbnail"
                "windowsimagethumbnail"
                "windowsexethumbnail"
                "mltpreview"
                "mobithumbnail"
                "opendocumentthumbnail"
                "marble_thumbnail_osm"
                "palathumbcreator"
                "gsthumbnail"
                "rawthumbnail"
                "svgthumbnail"
                "imagethumbnail"
                "fontthumbnail"
                "directorythumbnail"
                "textthumbnail"
                "webarchivethumbnail"
                "ffmpegthumbs"
                "audiothumbnail"
              ];
            };
            kdeglobals."KFileDialog Settings" =
            {
              "Allow Expansion".value = true;
              "Automatically select filename extension".value = true;
              "Show Bookmarks".value = true;
              "Show Full Path".value = true;
              "Show Inline Previews".value = true;
              "Show Preview".value = true;
              "Show Speedbar".value = true;
              "Show hidden files".value = true;
              "Sort by".value = "Name";
              "Sort directories first".value = true;
              "Sort hidden files last".value = true;
              "View Style".value = "DetailTree";
            };
          };
        }
        # krunner
        { configFile.krunnerrc = { General.FreeFloating.value = true; Plugins.baloosearchEnabled.value = false; }; }
        # lock screen
        { configFile.kscreenlockerrc.Daemon.Autolock.value = false; }
      ];
    }];
    nixpkgs.overlays = [(final: prev:
    {
      libsForQt5 = prev.libsForQt5.overrideScope (final: prev:
      {
        plasma5 = prev.plasma5.overrideScope (final: prev:
        {
          xdg-desktop-portal-kde = prev.xdg-desktop-portal-kde.overrideAttrs (prev:
            { patches = (prev.patches or []) ++ [ ./krfb.patch ]; });
        });
        xdg-desktop-portal-kde = final.plasma5.xdg-desktop-portal-kde;
      });
    })];
  };
}