{ config, lib, pkgs, ... }:
let
  duid = "00:01:00:01:21:a2:4e:a8:d0:bf:9c:45:a6:ec";
in
{
  imports = [
    ../config/acme-sh.nix
    ../config/mpd.nix
    ../config/borg-backup.nix
    ../config/common.nix
    ../config/users.nix
    # ../config/weechat.nix
    ../config/dns.nix
    ../config/hydra.nix
    ../config/web-server.nix
    ../config/cgit.nix
    ../config/mail-server.nix
    ../config/munin-node.nix
    ../config/munin-master.nix
    ../config/vpn-server.nix
    ../config/terraria.nix
  ];

  environment.systemPackages = with pkgs; [ ipmitool ];
  # environment.etc."dhcpcd.duid".text = duid;
  systemd.services.dhcpcd.preStart = ''
    cp ${pkgs.writeText "duid" "${duid}"} /var/db/dhcpcd/duid
  '';

  programs.mosh.enable = true;

  virtualisation.lxd.enable = true;
  #security.apparmor = {
  #  enable = true;
  #  profiles = [
  #    "${pkgs.lxc}/etc/apparmor.d/usr.bin.lxc-star" 
  #    "${pkgs.lxc}/etc/apparmor.d/lxc-containers"
  #  ];
  #  packages = [ pkgs.lxc pkgs.apparmor-parser ];
  #};

  # containers.kick = {
  #   autoStart = true;
  #   hostBridge = "br0";
  #   privateNetwork = true;
  #   config = { config, pkgs, ... }: {
  #     system.activationScripts = {
  #       resolvconf = {
  #         text = ''
  #           chmod +w /etc/resolv.conf
  #           echo nameserver 2001:4860:4860::8888 >> /etc/resolv.conf
  #           chmod -w /etc/resolv.conf
  #         '';
  #       };
  #     };
  #     networking.firewall.allowedTCPPorts = [ 80 443 ];
  #     networking.nameservers = [ "2001:4860:4860::8888" "2001:4860:4860::8844" ];
  #     services.nginx = {
  #       enable = true;
  #       virtualHosts = {
  #         "kick.orbekk.no" = {
  #           enableACME = true;  
  #           addSSL = true;
  #         };
  #       };
  #     };
  #     environment.systemPackages = [
  #       pkgs.simp_le pkgs.certbot
  #     ];
  #     # nixpkgs.config.packageOverrides = pkgs: {
  #     #   simp_le = pkgs.stdenv.mkDerivation {
  #     #     name = "simp_le";
  #     #     nativeBuildInputs = [ pkgs.makeWrapper ];
  #     #     buildCommand = ''
  #     #       mkdir -p $out/bin
  #     #       makeWrapper "${pkgs.simp_le}/bin/simp_le" $out/bin/simp_le \
  #     #         --add-flags "--server https://api.buypass.com/acme/directory" \
  #     #         --add-flags "--email kj@orbekk.com" \
  #     #         --add-flags "--tos_sha256 07c2ac41aff33fe06e27447ea592c503f22967fd43b0e8500cbc8452f28a4bf1"
  #     #     '';  
  #     #   };
  #     # };
  #   };
  # };

  boot = {
    kernelParams = [ "console=tty0" ''console="ttyS0,115200n8"'' ];
    kernel.sysctl = {
      "net.ipv4.conf.all.forwarding" = true;
      "net.ipv6.conf.all.forwarding" = true;
      "net.ipv6.conf.br0.accept_ra" = 2;
    };
    
    loader.grub.extraConfig = ''
      GRUB_TERMINAL="serial"
      GRUB_SERIAL_COMMAND="serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1"
      serial --speed 115200 --unit=0
      terminal_input serial
      terminal_output serial
    '';
    loader.grub.enable = true;
    loader.grub.version = 2;
    loader.grub.devices = ["/dev/sda" "/dev/sdb"];
  };
  
  networking = {
    hostName = lib.mkForce "dragon";

    firewall.allowPing = true;
    firewall.checkReversePath = "loose";
    firewall.logRefusedConnections = false;

    bridges = {
      br0 = {
        interfaces = ["eno2"];
      };
    };

    dhcpcd.extraConfig = ''
    duid
    ipv6ra_noautoconf
    debug
    '';

    # interfaces.br0.ip6 = [
    #   # { address = "2001:470:8e2e:20:eca0:41ff:feef:92"; prefixLength = 64; }
    #   { address = "2001:470:8e2e:20::d"; prefixLength = 64; }
    # ];

    # Managed with dhcpv6 now.
    # localCommands = ''
    #   sleep 10
    #   echo setting up routes
    #   ip -6 addr add 2001:470:8e2e:20::d/64 dev br0 || true
    #   ip -6 route replace default via fe80::822a:a8ff:fe4d:f5d6 dev br0 metric 0 src 2001:470:8e2e:20::d || true
    #   ip route replace default via 10.0.20.1 dev br0 metric 0 || true
    # '';
  };

  # Required to enable password authentication for one user.
  security.pam.services.sshd.unixAuth = lib.mkForce true;
  services = {
    openssh = {
      enable = lib.mkDefault true;
      passwordAuthentication = false;
      extraConfig = ''
        Match User readonly
	PasswordAuthentication yes
      '';
    };
  };

  fileSystems = {
    "/storage" = {
      device = "/dev/sda3";
      fsType = "btrfs";
      options = [ "subvol=storage" ];
    };
    "/staging" = {
      device = "/dev/sda3";
      fsType = "btrfs";
      options = [ "subvol=staging" ];
    };
  };

  users.users.breakds = {
    uid = 1101;
    shell = pkgs.bashInteractive;
    home = "/home/breakds";
    createHome = false;
    isNormalUser = true;
    description = "Break Yang";
    openssh.authorizedKeys.keyFiles = [ ../data/break_rsa.pub ];
  };

  system.stateVersion = lib.mkForce "17.09";
}