{ config, pkgs, ... }:

{
  imports = [ ../users ];

  # Set your time zone.
  time.timeZone = "Europe/Berlin";
  # networking.useDHCP = false;  TODO: why was this globally disabled? Because it should be! DHCP should only be enabled per interface.
  networking.firewall.allowedTCPPorts = [ 19999 ];
  services.netdata.enable = true;

  networking.nameservers = [ "2a01:4f8:1c0c:8221::8" "10.42.10.8" ];
  services.qemuGuest.enable = true;

  # Select internationalisation properties.
  i18n.defaultLocale = "en_US.UTF-8";
  console = {
    font = "Lat2-Terminus16";
    keyMap = "de-latin1";
  };

  environment.systemPackages = with pkgs; [
    wget
    vim
    tmux
    screen
    mtr
    tcpdump
    bat
    direnv
    starship
  ];

  programs.zsh = {
    enable = true;
    histSize = 10000;
    autosuggestions.enable = true;
    enableBashCompletion = true;
    syntaxHighlighting.enable = true;
    promptInit = ''
      if [[ $TERM != "dumb" && (-z $INSIDE_EMACS || $INSIDE_EMACS == "vterm") ]]; then
        eval "$(${pkgs.starship}/bin/starship init zsh)"
      fi

      source ~/.zkbd/$TERM-''${''${DISPLAY:t}:-$VENDOR-$OSTYPE}
      [[ -n ''${key[Left]} ]] && bindkey "''${key[Left]}" backward-char
      [[ -n ''${key[Right]} ]] && bindkey "''${key[Right]}" forward-char
      bindkey "''${key[Up]}" up-line-or-search
      bindkey "''${key[Home]}" beginning-of-line
      bindkey "''${key[End]}" end-of-line
      bindkey "''${key[Delete]}" delete-char
      function command_not_found_handler() { command-not-found $1 }
      alias cat='bat'
      eval "$(direnv hook zsh)"
      eval "$(starship init zsh)"
    '';
  };

  programs.mtr.enable = true;
  nix.settings = {
    trusted-users = [ "@wheel" ];
    auto-optimise-store = true;
  };
  nix.gc = {
    automatic = true;
    dates = "weekly";
    options = "--delete-older-than 14d";
  };
  nix.extraOptions = ''
    min-free = ${toString (100 * 1024 * 1024)}
    max-free = ${toString (1024 * 1024 * 1024)}
  '';

  services.openssh = {
    enable = true;
    passwordAuthentication = false;
    kbdInteractiveAuthentication = false;
    permitRootLogin = "yes";
  };

  security.acme.acceptTerms = true;
  security.acme.defaults.email = "vcp-letsencrypt@clerie.de";
  services.nginx = {
   enable = true;
   clientMaxBodySize = "400M";
   recommendedGzipSettings = true;
   recommendedOptimisation = true;
   recommendedProxySettings = true;
   recommendedTlsSettings = true;
  };

  security.sudo.wheelNeedsPassword = false;
}