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

{
  imports =
    [ 
      ./packages/default.nix
    ];

  # Use the systemd-boot EFI boot loader.
  boot.kernelPackages = pkgs.linuxPackages_zen;
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;
  

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


  security.sudo.wheelNeedsPassword=false;
  security.rtkit.enable = true;

  programs.zsh.enable = true;

  programs.neovim = {
    enable = true;
    viAlias = true;
    vimAlias = true;
    defaultEditor = true;
    configure = {
      customRC = builtins.readFile ./config/nvim/init.vim;
      packages.myVimPackage = with pkgs.vimPlugins; {
        start = [ 
	  nvim-lspconfig
	  nvim-cmp
	  cmp-nvim-lsp
	  luasnip
	  cmp_luasnip
	  tokyonight-nvim
	  vim-lsp-cxx-highlight
	];
      };
    };
  };

  boot.kernel.sysctl."kernel.sched_rt_runtime_us" = -1;

  users.mutableUsers = false;
  users.users = { 
    root.initialHashedPassword = "!";
  };

  networking.firewall = {
    enable = true;
    # if packets are still dropped, they will show up in dmesg
    logReversePathDrops = true;
    # wireguard trips rpfilter up
    extraCommands = ''
      ip46tables -t mangle -I nixos-fw-rpfilter -p udp -m udp --sport 47111 -j RETURN
      ip46tables -t mangle -I nixos-fw-rpfilter -p udp -m udp --dport 47111 -j RETURN
    '';
    extraStopCommands = ''
      ip46tables -t mangle -D nixos-fw-rpfilter -p udp -m udp --sport 47111 -j RETURN || true
      ip46tables -t mangle -D nixos-fw-rpfilter -p udp -m udp --dport 47111 -j RETURN || true
    '';
    # Open ports in the firewall.
    allowedTCPPorts = [ 22000 ];
    allowedUDPPorts = [ 22000 ];
  };
}