nixos/configuration.nix

# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).

{
  pkgs,
  lib,
  config,
  inputs,
  ...
}:

{
  # Configure network proxy if necessary
  # networking.proxy.default = "http://user:password@proxy:port/";
  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
  programs.virt-manager.enable = true;
  virtualisation = {
    libvirtd.enable = true;
    spiceUSBRedirection.enable = true;
  };

  i18n.inputMethod = {
    enable = true;
    type = "fcitx5";
    fcitx5 = {
      addons = with pkgs; [
        libsForQt5.fcitx5-qt
        fcitx5-gtk
        fcitx5-configtool
        fcitx5-chinese-addons
        (fcitx5-rime.override {
          rimeDataPkgs =
            [
              rime-data
            ]
            ++ (with (pkgs.callPackage inputs.nur-xddxdd { }); [
              rime-ice
              rime-zhwiki
              rime-moegirl
            ]);
        })
      ];
      waylandFrontend = true;
    };
  };

  # Enable the X11 windowing system.
  # You can disable this if you're only using the Wayland session.
  services.xserver = {
    display = 0;
    enable = true;
  };

  # Enable the KDE Plasma Desktop Environment.
  # services.displayManager.sddm.enable = true;
  # services.desktopManager.plasma6.enable = true;
  services.desktopManager.cosmic.enable = true;
  services.displayManager.cosmic-greeter.enable = true;
  programs.niri.enable = true;

  # Configure keymap in X11
  services.xserver.xkb = {
    layout = "cn";
    variant = "";
  };

  # Enable CUPS to print documents.
  services.printing.enable = true;

  services.openssh = {
    enable = true;
    settings = {
      PasswordAuthentication = false;
      KbdInteractiveAuthentication = false;
      X11Forwarding = true;
      PermitRootLogin = "no";
      LogLevel = "VERBOSE";
      Macs = [
        "hmac-sha2-512-etm@openssh.com"
        "hmac-sha2-256-etm@openssh.com"
        "umac-128-etm@openssh.com"
        "hmac-sha2-512"
        "hmac-sha2-256"
        "umac-128@openssh.com"
      ];
      Ciphers = [
        "chacha20-poly1305@openssh.com"
        "aes256-gcm@openssh.com"
        "aes128-gcm@openssh.com"
        "aes256-ctr"
        "aes192-ctr"
        "aes128-ctr"
      ];
      KexAlgorithms = [ "curve25519-sha256@libssh.org"
        "ecdh-sha2-nistp521"
        "ecdh-sha2-nistp384"
        "ecdh-sha2-nistp256"
        "diffie-hellman-group-exchange-sha256"
      ];
    };
    ports = [ 3022 ];
  };

  programs.localsend.enable = true;

  # Enable sound with pipewire.
  services.pulseaudio.enable = false;
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
    # If you want to use JACK applications, uncomment this
    #jack.enable = true;

    # use the example session manager (no others are packaged yet so this is enabled by default,
    # no need to redefine it in your config for now)
    #media-session.enable = true;
  };

  # Enable touchpad support (enabled default in most desktopManager).
  # services.xserver.libinput.enable = true;

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.david = {
    isNormalUser = true;
    description = "david";
    extraGroups = [
      "networkmanager"
      "libvirtd"
      "wheel"
    ];
  };

  # Install firefox.
  programs.firefox.enable = true;

  # List packages installed in system profile. To search, run:
  environment.systemPackages = with pkgs; [
    nix-output-monitor
    wget
    git
    vim
    helix
    nixd
    nixfmt-rfc-style
    fontconfig
    noto-fonts-cjk-sans
    noto-fonts-cjk-serif
  ];

  fonts = {
    enableDefaultPackages = false;
    packages = with pkgs; [
      nerd-fonts.fira-code
      noto-fonts
      noto-fonts-cjk-sans
      noto-fonts-cjk-serif
      noto-fonts-emoji
      lxgw-wenkai
    ];
    fontconfig.defaultFonts = pkgs.lib.mkForce {
      serif = [
        "LXGW WenKai"
        "Noto Serif CJK SC"
        "Noto Serif"
      ];
      sansSerif = [
        "Noto Serif CJK SC"
        "Noto Serif"
      ];
      monospace = [
        "FiraCode Nerd Font"
      ];
      emoji = [ "Noto Color Emoji" ];
    };
  };

  environment.variables.EDITOR = "hx";
  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  # programs.mtr.enable = true;
  # programs.gnupg.agent = {
  #   enable = true;
  #   enableSSHSupport = true;
  # };

  # List services that you want to enable:

  # This value determines the NixOS release from which the default
  # settings for stateful data, like file locations and database versions
  # on your system were taken. It‘s perfectly fine and recommended to leave
  # this value at the release version of the first install of this system.
  # Before changing this value read the documentation for this option
  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).

  system.stateVersion = "24.11"; # Did you read the comment?

}