{
  inputs,
  pkgs,
  ...
}: {
  # nixpkgs.overlays = [
  #   inputs.nixpkgs-wayland.overlay
  # ];
  nixpkgs.config.packageOVerrides = pkgs: {
    intel-vaapi-driver = pkgs.intel-vaapi-driver.override {enableHybridCodec = true;};
    vaapiIntel = pkgs.vaapiIntel.override {enableHybridCodec = true;};
  };
  hardware.graphics = {
    enable = true;
    enable32Bit = true;
    extraPackages = [
      pkgs.mesa
      pkgs.vaapiVdpau
      pkgs.libvdpau-va-gl
    ];
  };
  programs.niri = {
    enable = true;
  };

  environment.variables = {
    WLR_NO_HARDWARE_CURSOR = "1";
  };
  environment.sessionVariables = {
    WLR_NO_HARDWARE_CURSOR = "1";
    NIXOS_OZONE_WL = "1";
    SDL_VIDEODRIVER = "wayland";
    QT_QPA_PLATFORM = "wayland";
    QT_WAYLAND_DISABLE_WINDOWDECORATION = "1";
    _JAVA_AWT_WM_NONREPARENTING = "1";
    MOZ_ENABLE_WAYLAND = "1";

    # GTK_IM_MODULE = "fcitx";
    # QT_IM_MODULE = "fcitx";
    # SDL_IM_MODULE = "fcitx";

    XDG_CURRENT_DESKTOP = "sway";
    GDK_BACKEND = "wayland";
    XDG_SESSION_TYPE = "wayland";
    XMODIFIERS = "@im=fcitx";
  };

  xdg.portal = {
    enable = true;
    extraPortals = with pkgs; [
      # xdg-desktop-portal-hyprland
      # xdg-desktop-portal-cosmic
      xdg-desktop-portal-gtk
      xdg-desktop-portal-gnome
    ];
    config = {
      common = {
        default = [
          "gnome"
          "gtk"
        ];
        "org.freedesktop.impl.portal.Access" = ["gtk"];
        "org.freedesktop.impl.portal.Notification" = ["gtk"];
        "org.freedesktop.impl.portal.Secret" = ["gnome-keyring"];
        "org.freedesktop.impl.portal.FileChooser" = ["gtk"];
      };
    };
  };
  environment.systemPackages = with pkgs; [
    # niri specific
    # xwayland
    xwayland-satellite
    # not used if using dank
    # quickshell
    fuzzel
    # hypridle
    # hyprlock
    # cliphist
    #
    # networkmanagerapplet
    # playerctl
    # qalculate-gtk
    # swaynotificationcenter
    # swayosd
    # syncthingtray
    # wl-clipboard
    # wl-clip-persist
    # wl-color-picker
    # wofi-power-menu
    #
    # cosmic-panel

    # xdg-utils
    # xdg-desktop-portal
    # xdg-desktop-portal-wlr
    # xdg-desktop-portal-gtk
    # # calibre
    # #  nyxt
    # wofi
    # imv
    # swaylock
    # brightnessctl
    # swayidle
    # foot
    # mako
    # kanshi
    # grim
    # slurp
    # wl-clipboard
    # wf-recorder
    # viewnior
    # playerctl
    # blueman
    # wdisplays
    # inputs.waybar.packages.x86_64-linux.default
    # glxinfo
    # vulkan-tools
    # glmark2
    # intel-media-driver
    # intel-vaapi-driver
    # pavucontrol
    # # icons
    # polkit_gnome
    # gnome-themes-extra
    # gtk-engine-murrine
    # gtk_engines
    # gsettings-desktop-schemas
    # lxappearance
    adwaita-qt
    adwaita-icon-theme
    # libcamera # pipewire seems to want this
    # easyeffects
    # tigervnc
    # foliate
    # # code
    # kdePackages.kompare
    # meld
    # # tmp
    # # browser TTS
    # #    speechd
    # #    espeak-ng
    # #    espeak-ng-data
    wineWowPackages.waylandFull
    libcamera # pipewire seems to want this
    # tracy # colinuxol system watcher
  ];
  services.speechd.enable = true;

  # cjk input

  i18n.inputMethod = {
    type = "fcitx5";
    enable = true;
    fcitx5 = {
      # enabled = true;
      addons = with pkgs; [
        rime-data
        fcitx5-rime
        fcitx5-mozc
        fcitx5-configtool
        fcitx5-chinese-addons
        fcitx5-gtk
        libsForQt5.fcitx5-qt
      ];
      waylandFrontend = true;
    };
  };
  services.xserver.desktopManager.runXdgAutostartIfNone = true;

  fonts = {
    enableDefaultPackages = true;
    fontconfig = {
      defaultFonts.emoji = ["Noto Color Emoji"];
      defaultFonts.monospace = ["Hack" "Sarasa Mono SC"];
      defaultFonts.sansSerif = ["DejaVu Sans"];
      defaultFonts.serif = ["DejaVu Serif" "Source Han Serif SC"];
    };
    packages = with pkgs;
      [
        fira-code
        fira
        cooper-hewitt
        ibm-plex
        jetbrains-mono
        iosevka
        spleen
        fira-code-symbols
        powerline-fonts
        arphic-ukai
        arphic-uming
        dejavu_fonts
        font-awesome
        inconsolata # monospaced
        noto-fonts
        noto-fonts-cjk-sans
        noto-fonts-emoji
        noto-fonts-extra
        powerline-fonts
        source-han-sans-japanese
        source-han-sans-korean
        source-han-sans-simplified-chinese
        source-han-sans-traditional-chinese
        source-sans-pro
        ubuntu_font_family
        wqy_microhei
        wqy_zenhei
      ]
      ++ builtins.filter lib.attrsets.isDerivation (builtins.attrValues pkgs.nerd-fonts);
  };

  # screen capture
  #

  services.dbus.enable = true;
  ## Remove sound.enable or set it to false if you had it set previously, as sound.enable is only meant for ALSA-based configurations

  # rtkit is optional but recommended
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
    wireplumber.enable = true;
    # If you want to use JACK applications, uncomment this
    jack.enable = true;
  };

  # pipewire requires these off
  # sound.enable = true;
  # hardware.pulseaudio.enable = true;
  # hardware.bluetooth.enable = true;
}