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

{
  imports = [ 
    ./hardware-configuration.nix 
    ./services/acme.nix
    ./services/coturn.nix
    ./services/nginx.nix
    ./services/postgres.nix
    ./services/synapse.nix
    ./services/ttrss.nix
    ./services/gitea.nix
    ./services/restic.nix
    ./services/sshguard.nix
    ./data/secrets/secrets.nix
    ];

  boot.loader.grub.enable = true;
  boot.loader.grub.version = 2;
  boot.loader.grub.device = "/dev/sda";
  boot.supportedFilesystems = ["zfs"];
  services.zfs.autoSnapshot.enable = true;
  services.zfs.autoScrub.enable = true;

  networking.hostName = "wind";
  networking.hostId = "929e7fb7";
  time.timeZone = "Europe/Copenhagen";
  networking.useDHCP = false;
  networking.interfaces.ens3.useDHCP = true;
  networking.interfaces.ens3.ipv6.addresses = [ { address = "2a01:4f9:c010:34cb::1"; prefixLength = 64; } ];
  networking.defaultGateway6 = { address = "fe80::1"; interface = "ens3"; };

  users.users.emelie = {
    isNormalUser = true;
    extraGroups = [ "wheel" ];
    openssh.authorizedKeys.keys = [
      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICO4LyBsW1YuUA6i3EL/IZhchSvk7reO4qgRmR/tdQPU emelie@flap"
    ];
  };

  security.sudo.wheelNeedsPassword = false;

  environment.systemPackages = with pkgs; [
    vim
    htop
    iotop
  ];

  nix = {
    autoOptimiseStore = true;
    trustedUsers = [
      "root"
      "@wheel"
    ];
  };

  services.openssh = {
    enable = true;
    passwordAuthentication = false;
    permitRootLogin = "no";
    challengeResponseAuthentication = false;
  };

  # Use hetzner firewall instead
  networking.firewall.enable = false;
  # networking.firewall.allowedTCPPorts = [ 22 80 443 3478 5349 ];
  # networking.firewall.allowedUDPPorts = [ 3478 5349 ]
  # networking.firewall.allowedUDPPortsRanges = [ { from = 49152; to = 49999; } ];

  users.groups.acme.members = [ "nginx" "turnserver" "gitea" ];
  users.groups.postgres.members = [ "restic" ];
  users.groups.gitea.members = [ "restic" ];
  users.groups.matrix-synapse.members = [ "restic" ];


  system.stateVersion = "21.05";

}