{
  pkgs,
  ...
}:

{
  imports = [
    ./hardware-configuration.nix
    ./stylix.nix
    # ./Hyprsuck/hyprsuck.nix
    ./Suckless/suckless.nix
    ./ryzenadj.nix
    # ./virtualisation.nix
    # ./Hetzner/setup.nix
  ];

  nix.settings = {
    experimental-features = [
      "nix-command"
      "flakes"
    ];
    # Axium binary caches
    substituters = [
      "https://cache.nixos.org"
      "https://axium.cachix.org"
      "https://cache.axiomania.org/main"
    ];

    http-connections = 128;
    max-substitution-jobs = 128;
    max-jobs = "auto";

    trusted-public-keys = [
      "axium.cachix.org-1:BfzPfRTbbCYmaQrVLSWchgsR4ScA9ZCZ389FyWspUH8="
      "main:Uz5F0MbXItVx2XCmBbEAMmQ0T6+DZDgLaXWalh1k++o="
    ];
  };

  nix.distributedBuilds = true;

  # Required for home-manager xdg.portal with useUserPackages
  environment.pathsToLink = [
    "/share/applications"
    "/share/xdg-desktop-portal"
  ];

  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;
  boot.loader.systemd-boot.configurationLimit = 10;
  boot.loader.timeout = 1;

  networking.hostName = "v3";

  networking.networkmanager.enable = true;
  hardware.bluetooth.enable = true;

  time.timeZone = "Asia/Ho_Chi_Minh";
  i18n.defaultLocale = "en_US.UTF-8";
  i18n.extraLocaleSettings = {
    LC_ADDRESS = "en_US.UTF-8";
    LC_IDENTIFICATION = "en_US.UTF-8";
    LC_MEASUREMENT = "en_US.UTF-8";
    LC_MONETARY = "en_US.UTF-8";
    LC_NAME = "en_US.UTF-8";
    LC_NUMERIC = "en_US.UTF-8";
    LC_PAPER = "en_US.UTF-8";
    LC_TELEPHONE = "en_US.UTF-8";
    LC_TIME = "en_US.UTF-8";
  };

  services.getty.autologinUser = "lebowski";

  programs.nix-ld.enable = true;

  services.pulseaudio.enable = false;
  security.rtkit.enable = true;

  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
  };

  users.users.lebowski = {
    isNormalUser = true;
    description = "Antoine Lespinasse";
    extraGroups = [
      "networkmanager"
      "wheel"
      "input"
    ];
  };

  # GVfs - for Nautilus trash, network shares, MTP devices
  services.gvfs.enable = true;

  # UPower - battery/power device monitoring
  services.upower.enable = true;

  # Power Profiles Daemon - power management (performance/balanced/power-saver)
  services.power-profiles-daemon.enable = true;

  # System packages (stable for core tools)
  environment.systemPackages = with pkgs; [
    wget
    git
    bat
    btop
    ncdu
    nmap
    neofetch
    xdotool
    jq
    attic-client
    wireguard-tools
    sox

    ffmpegthumbnailer
    gdk-pixbuf
    librsvg
    evince
    libgsf
    libjxl
    libavif

    # Disk utilities
    gparted
    gnome-disk-utility

    # Image / PDF viewers
    kdePackages.gwenview
    kdePackages.okular

    # File browser
    xfce.thunar
    xfce.thunar-volman
    xfce.tumbler # thumbnails
  ];

  # ============================================================================
  # WireGuard VPN profiles
  # ============================================================================
  # Generate keys: wg genkey | sudo tee /etc/wireguard/private.key | wg pubkey | sudo tee /etc/wireguard/public.key
  # Then add the public key as a peer on the VPS.
  # Start/stop: sudo systemctl start/stop wg-quick-wg-services / wg-quick-wg-vpn

  # Profile 1: Internal services only (split tunnel)
  networking.wg-quick.interfaces.wg-services = {
    autostart = false;
    address = [ "10.100.0.2/24" ];
    privateKeyFile = "/etc/wireguard/private.key";
    peers = [{
      publicKey = "F2hvz4vx9VrM6IZ2zMUG2FMPMCMwmfxGH9qocbe4q3U=";
      endpoint = "178.104.15.221:51820";
      allowedIPs = [ "10.100.0.0/24" "178.104.15.221/32" ];
      persistentKeepalive = 25;
    }];
  };

  # Profile 2: Full VPN + AdGuard DNS ad-blocking
  networking.wg-quick.interfaces.wg-vpn = {
    autostart = false;
    address = [ "10.100.0.2/24" ];
    dns = [ "10.100.0.1" ];
    privateKeyFile = "/etc/wireguard/private.key";
    peers = [{
      publicKey = "F2hvz4vx9VrM6IZ2zMUG2FMPMCMwmfxGH9qocbe4q3U=";
      endpoint = "178.104.15.221:51820";
      allowedIPs = [ "0.0.0.0/0" ];
      persistentKeepalive = 25;
    }];
  };

  system.stateVersion = "25.11";
}