{
  pkgs,
  lib,
  ...
}:
with lib;
with lib.metacfg;
{
  imports = [
    ./hardware-configuration.nix
    ./xremap.nix
    ./sound.nix
  ];

  powerManagement.cpuFreqGovernor = "performance";

  services.rustdesk-server.signal.enable = false;
  networking.firewall.allowedTCPPorts = [
    22000
  ];

  services.cratedocs-mcp.enable = true;

  services.openssh = {
    enable = true;
  };

  services.tailscale.enable = true;
  services.resolved.enable = true;

  metacfg = {
    hardware.wooting.enable = true;
    base.enable = true;
    gui.enable = true;
    nix-ld.enable = true;
    nix.enable = true;
    podman.enable = true;
    secureboot.enable = true;
    homeprinter.enable = true;
    build.enable = true;

    system = {
      limits = {
        enable = true;
        nofileLimit = 32768;
        memlockLimit = 32768;
      };
    };

    # User configuration
    tools = {
      direnv.enable = true;
    };
    user.extraGroups = [
      "docker"
      "dialout"
      "tss"
    ];
    system.kernelTweaks.enable = true;
  };

  system.autoUpgrade = {
    enable = true;
    operation = "boot";
    allowReboot = false;
  };

  nixpkgs.config.permittedInsecurePackages = [
    "electron-27.3.11"
  ];

  # Additional kernel tuning beyond the module defaults
  boot.kernel.sysctl = {
    # Reduce swap usage (you have zram)
    "vm.swappiness" = 10;
    # Prefer keeping directory/inode caches
    "vm.vfs_cache_pressure" = 50;
    # Faster dirty page writeback
    "vm.dirty_ratio" = 10;
    "vm.dirty_background_ratio" = 5;
  };

  # SSD TRIM support
  services.fstrim = {
    enable = true;
    interval = "weekly";
  };

  programs.steam = {
    enable = true;
  };

  environment.systemPackages = with pkgs; [
    attic-client
    azure-cli
    claude-code
    claude-desktop-with-fhs
    desktop-file-utils
    gnome-terminal
    gnome-remote-desktop
    gtypist
    k9s
    klavaro
    kubectl
    kubectx
    logseq
    nvtopPackages.amd
    obsidian
    piper-tts
    tipp10
    uv
    vscode
    cider-2
    opencode
    oversteer
  ];

  # zram swap with zstd compression for better performance
  zramSwap = {
    algorithm = "zstd";
    memoryPercent = 50;
  };

  services.ratbagd.enable = true;

  # Logitech racing wheel permissions (oversteer)
  services.udev.extraRules = ''
    # Match Logitech HID devices for racing wheel support
    ACTION!="unbind", ACTION!="remove", SUBSYSTEM=="hid", ATTRS{idVendor}=="046d", GOTO="logitech-rules"
    GOTO="end"

    LABEL="logitech-rules"

    DRIVER=="logitech", GOTO="logitech-driver"
    DRIVER!="logitech-hidpp-device", GOTO="end"

    # Logitech G PRO Racing Wheel for PlayStation and PC
    ATTRS{idProduct}=="c268", RUN+="/bin/sh -c 'cd %S%p; chmod 666 range leds/*/brightness; chmod 777 leds/ leds/*'"

    # Logitech G PRO Racing Wheel for Xbox One and PC
    ATTRS{idProduct}=="c272", RUN+="/bin/sh -c 'cd %S%p; chmod 666 range leds/*/brightness; chmod 777 leds/ leds/*'"

    # Logitech G923 Racing Wheel for Xbox One and PC
    ATTRS{idProduct}=="c26e", RUN+="/bin/sh -c 'cd %S%p; chmod 666 range leds/*/brightness; chmod 777 leds/ leds/*'"

    # Logitech G920 Driving Force Racing Wheel
    ATTRS{idProduct}=="c262", RUN+="/bin/sh -c 'cd %S%p; chmod 666 range'"

    GOTO="end"

    LABEL="logitech-driver"

    # Logitech G923 Racing Wheel for PlayStation 4 and PC
    ATTRS{idProduct}=="c266", RUN+="/bin/sh -c 'cd %S%p; chmod 666 alternate_modes combine_pedals range gain autocenter spring_level damper_level friction_level ffb_leds peak_ffb_level leds/*/brightness; chmod 777 leds/ leds/*'"

    # Logitech G29 Driving Force Racing Wheel
    ATTRS{idProduct}=="c24f", RUN+="/bin/sh -c 'cd %S%p; chmod 666 alternate_modes combine_pedals range gain autocenter spring_level damper_level friction_level ffb_leds peak_ffb_level leds/*/brightness; chmod 777 leds/ leds/*'"

    # Logitech G27 Driving Force Racing Wheel
    ATTRS{idProduct}=="c29b", RUN+="/bin/sh -c 'cd %S%p; chmod 666 alternate_modes combine_pedals range gain autocenter spring_level damper_level friction_level ffb_leds peak_ffb_level leds/*/brightness; chmod 777 leds/ leds/*'"

    # Logitech G25 Driving Force Racing Wheel
    ATTRS{idProduct}=="c299", RUN+="/bin/sh -c 'cd %S%p; chmod 666 alternate_modes combine_pedals range gain autocenter spring_level damper_level friction_level ffb_leds peak_ffb_level'"

    # Logitech Driving Force GT Racing Wheel
    ATTRS{idProduct}=="c29a", RUN+="/bin/sh -c 'cd %S%p; chmod 666 alternate_modes combine_pedals range gain autocenter spring_level damper_level friction_level ffb_leds peak_ffb_level'"

    # Logitech Driving Force Pro Racing Wheel
    ATTRS{idProduct}=="c298", RUN+="/bin/sh -c 'cd %S%p; chmod 666 alternate_modes combine_pedals range gain autocenter spring_level damper_level friction_level ffb_leds peak_ffb_level'"

    # Logitech Driving Force Racing Wheel
    ATTRS{idProduct}=="c294", RUN+="/bin/sh -c 'cd %S%p; chmod 666 alternate_modes combine_pedals range gain autocenter spring_level damper_level friction_level ffb_leds peak_ffb_level'"

    # Logitech Momo Force Racing Wheel
    ATTRS{idProduct}=="c295", RUN+="/bin/sh -c 'cd %S%p; chmod 666 combine_pedals range gain autocenter spring_level damper_level friction_level ffb_leds peak_ffb_level'"

    # Logitech MOMO Racing USB
    ATTRS{idProduct}=="ca03", RUN+="/bin/sh -c 'cd %S%p; chmod 666 combine_pedals range gain autocenter spring_level damper_level friction_level ffb_leds peak_ffb_level'"

    # Logitech WingMan Formula Force GP USB
    ATTRS{idProduct}=="c293", RUN+="/bin/sh -c 'cd %S%p; chmod 666 combine_pedals range gain autocenter spring_level damper_level friction_level ffb_leds peak_ffb_level'"

    # Logitech Racing Wheel USB
    ATTRS{idProduct}=="ca04", RUN+="/bin/sh -c 'cd %S%p; chmod 666 combine_pedals range'"

    # Logitech WingMan Formula GP
    ATTRS{idProduct}=="c20e", RUN+="/bin/sh -c 'cd %S%p; chmod 666 combine_pedals range'"

    # Logitech WingMan Formula (Yellow) (USB)
    ATTRS{idProduct}=="c202", RUN+="/bin/sh -c 'cd %S%p; chmod 666 range'"

    # Logitech Speed Force Wireless
    ATTRS{idProduct}=="c29c", RUN+="/bin/sh -c 'cd %S%p; chmod 666 combine_pedals range'"

    LABEL="end"
  '';

  virtualisation = {
    libvirtd.enable = true;
    docker.enable = true;
    podman.dockerCompat = false;
  };

  services.trezord.enable = true;

  services.ollama = {
    enable = false;
    acceleration = "rocm";
    environmentVariables = {
      HSA_OVERRIDE_GFX_VERSION = "10.1.0";
    };
  };

  /*
    environment.sessionVariables = {
      LIBVA_DRIVER_NAME = "iHD";
      # NIXOS_OZONE_WL = "1";
      # DRI_PRIME = "pci-0000_24_00_0";
      DRI_PRIME = "pci-0000_00_02_0";
    };
  */

  system.stateVersion = "25.11";
}