nixos-conf/configuration.nix

{
  pkgs,
  sls-steam,
  options,
  config,
  ...
}:
let
  cpuid-fault-emulation = pkgs.callPackage ./pkgs/cpuid-fault-emulation {
    kernel = config.boot.kernelPackages.kernel;
  };
in

{
  imports = [
    ./hardware-configuration.nix
    ./packages.nix
  ];

  # DISKS
  fileSystems."/media/gamedisk4" = {
    device = "/dev/disk/by-uuid/D290EB87C8A1E82A";
    fsType = "ntfs3";
    options = [
      "uid=1000"
      "gid=100"
      "rw"
      "user"
      "exec"
      "umask=000"
      "nofail"
    ];
  };

  fileSystems."/media/gamedisk" = {
    device = "/dev/disk/by-uuid/5C7C14707C1446E4";
    fsType = "ntfs3";
    options = [
      "uid=1000"
      "gid=100"
      "rw"
      "user"
      "exec"
      "umask=000"
      "nofail"
    ];
  };

  fileSystems."/media/gamedisk2" = {
    device = "/dev/disk/by-uuid/945A7421DAD8A3CE";
    fsType = "ntfs3";
    options = [
      "uid=1000"
      "gid=100"
      "rw"
      "user"
      "exec"
      "umask=000"
      "nofail"
    ];
  };

  nix.settings.experimental-features = [
    "nix-command"
    "flakes"
  ];

  boot.kernelParams = [
    "iomem=relaxed"
    "iommu=pt"
    "amd_iommu=on"
    "kvm.ignore_msrs=1"
    "mitigations=off"
    "amdgpu.ppfeaturemask=0xffffffff"
    "clearcpuid=umip"
  ];

  xdg = {
    mime.defaultApplications = {
      "inode/directory" = [ "nemo.desktop" ];
      "application/x-gnome-saved-search" = [ "nemo.desktop" ];
    };
  };

  hardware.graphics.enable = true;
  hardware.graphics.enable32Bit = true;
  services.hardware.openrgb.enable = true;

  # Bootloader.
  boot.loader.grub.enable = true;
  boot.loader.grub.device = "nodev";
  boot.loader.grub.efiSupport = true;
  boot.extraModulePackages = [ cpuid-fault-emulation ];

  environment.systemPackages = [
    (pkgs.writeShellScriptBin "enable-hypervisor" ''
      sudo modprobe -r kvm_amd kvm
      sudo modprobe cpuid_fault_emulation
    '')
    (pkgs.writeShellScriptBin "disable-hypervisor" ''
      sudo modprobe -r cpuid_fault_emulation
      sudo modprobe kvm_amd kvm
    '')
  ];

  networking.hostName = "nixos"; # Define your hostname.
  networking.firewall.enable = false;
  networking.networkmanager.enable = true;

  # Set your time zone.
  time.timeZone = "Europe/Berlin";

  # Select internationalisation properties.
  i18n.defaultLocale = "en_US.UTF-8";

  i18n.extraLocaleSettings = {
    LC_ADDRESS = "de_DE.UTF-8";
    LC_IDENTIFICATION = "de_DE.UTF-8";
    LC_MEASUREMENT = "de_DE.UTF-8";
    LC_MONETARY = "de_DE.UTF-8";
    LC_NAME = "de_DE.UTF-8";
    LC_NUMERIC = "de_DE.UTF-8";
    LC_PAPER = "de_DE.UTF-8";
    LC_TELEPHONE = "de_DE.UTF-8";
    LC_TIME = "de_DE.UTF-8";
  };

  console.keyMap = "de";

  programs.fish.enable = true;
  users.users.user = {
    isNormalUser = true;
    description = "user";
    uid = 1000;
    extraGroups = [
      "networkmanager"
      "wheel"
      "docker"
    ];
    shell = pkgs.fish;
  };

  nixpkgs.config.allowUnfree = true;

  programs.niri.enable = true;
  programs.hyprland = {
    enable = true;
    xwayland.enable = true;
  };

  # environment.loginShellInit = ''
  #   if [ "$(tty)" = "/dev/tty1" ] && [ -z "$WAYLAND_DISPLAY" ]; then
  #     exec start-hyprland
  #   fi
  # '';

  # NFS / MPD
  fileSystems."/media/music" = {
    device = "192.168.132.149:/media/music";
    fsType = "nfs4";
  };
  boot.supportedFilesystems = [ "nfs4" ];

  qt = {
    enable = true;
    platformTheme = "qt5ct";
    style = "breeze";
  };

  virtualisation.docker.enable = true;
  services.goxlr-utility.enable = true;
  services.lact.enable = true;
  services.rsync.enable = true;
  programs.kdeconnect.enable = true;
  programs.neovim.enable = true;
  programs.tmux.enable = true;
  programs.bat.enable = true;
  programs.nh.enable = true;
  programs.git = {
    enable = true;
    config = {
      user = {
        name = "KeksNino";
        email = "KeksNino@proton.me";
      };
      init = {
        defaultBranch = "main";
      };
      push = {
        autoSetupRemote = true;
      };
    };
  };
  programs.steam = {
    enable = true;
    package = pkgs.millennium-steam.override {
      extraEnv = {
        LD_AUDIT = "${
          sls-steam.packages.${pkgs.stdenv.hostPlatform.system}.sls-steam
        }/library-inject.so:${
          sls-steam.packages.${pkgs.stdenv.hostPlatform.system}.sls-steam
        }/SLSsteam.so";
      };
    };
  };

  programs.nix-ld = {
    enable = true;
    libraries = options.programs.nix-ld.libraries.default ++ (
      with pkgs; [
        dbus # libdbus-1.so.3
        fontconfig # libfontconfig.so.1
        freetype # libfreetype.so.6
        glib # libglib-2.0.so.0
        libGL # libGL.so.1
        libxkbcommon # libxkbcommon.so.0
        libx11 # libX11.so.6
        wayland
      ]
    );
  };

  services.pipewire = {
    enable = true;
    alsa.enable = true;
    pulse.enable = true;
    jack.enable = true;
  };

  security.pam.loginLimits = [
    {
      domain = "@users";
      item = "rtprio";
      type = "-";
      value = "95";
    }
    {
      domain = "@users";
      item = "memlock";
      type = "-";
      value = "unlimited";
    }
  ];

  security.rtkit.enable = true;

  system.stateVersion = "24.11";
  system.autoUpgrade.enable = false;
  system.autoUpgrade.allowReboot = true;
}