# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).

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

{
  imports =
    [
      # Include the results of the hardware scan.
      ./hardware.nix
      ./home-julien.nix
      ../../users/julien.nix
      ../../users/default.nix
    ];

  # Bootloader.
  boot.loader.grub.enable = true;
  boot.loader.grub.device = "/dev/sda";
  boot.loader.grub.useOSProber = true;

  networking.nameservers = [ "100.100.45.5" "9.9.9.9" ];
  environment.etc."resolv.conf" = with lib; with pkgs; {
    source = writeText "resolv.conf" ''
      ${concatStringsSep "\n" (map (ns: "nameserver ${ns}") config.networking.nameservers)}
      options edns0
    '';
  };

  networking.hostName = "tower"; # Define your hostname.
  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.

  # Configure network proxy if necessary
  # networking.proxy.default = "http://user:password@proxy:port/";
  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";

  # Enable networking
  networking.networkmanager.enable = true;

  # Set your time zone.
  time.timeZone = "Europe/Paris";

  luj.buildbot.enable = true;
  luj.nginx.enable = true;

  environment.systemPackages = [ pkgs.tailscale pkgs.attic ];

  # enable the tailscale service
  services.tailscale.enable = true;

  nix.extraOptions = ''
    allow-import-from-derivation = true
      experimental-features = nix-command flakes
  '';

  services.openssh.extraConfig = ''
    HostCertificate /etc/ssh/ssh_host_ed25519_key-cert.pub
    HostKey /etc/ssh/ssh_host_ed25519_key
    TrustedUserCAKeys /etc/ssh/ssh_user_key.pub
    MaxAuthTries 20
  '';

  # Select internationalisation properties.
  i18n.defaultLocale = "en_US.UTF-8";

  i18n.extraLocaleSettings = {
    LC_ADDRESS = "fr_FR.UTF-8";
    LC_IDENTIFICATION = "fr_FR.UTF-8";
    LC_MEASUREMENT = "fr_FR.UTF-8";
    LC_MONETARY = "fr_FR.UTF-8";
    LC_NAME = "fr_FR.UTF-8";
    LC_NUMERIC = "fr_FR.UTF-8";
    LC_PAPER = "fr_FR.UTF-8";
    LC_TELEPHONE = "fr_FR.UTF-8";
    LC_TIME = "fr_FR.UTF-8";
  };

  # Configure keymap in X11
  services.xserver = {
    layout = "fr";
    xkbVariant = "";
  };

  # Configure console keymap
  console.keyMap = "fr";

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.julien = {
    isNormalUser = true;
    description = "Julien";
    extraGroups = [ "networkmanager" "wheel" ];
    packages = with pkgs; [ ];
  };

  # List packages installed in system profile. To search, run:
  # $ nix search wget

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  # programs.mtr.enable = true;
  # programs.gnupg.agent = {
  #   enable = true;
  #   enableSSHSupport = true;
  # };

  # List services that you want to enable:

  # Enable the OpenSSH daemon.
  services.openssh.enable = true;

  boot.binfmt.emulatedSystems = [ "i686-linux" ];


  nix = {
    distributedBuilds = true;
    buildMachines = [
      {
        hostName = "lambda";
        maxJobs = 4;
        systems = [ "aarch64-linux" ];
        supportedFeatures = [ "big-parallel" ];
      }
    ];
  };

  programs.ssh.extraConfig = ''
    Host lambda
      IdentityFile /home/julien/.ssh/id_ed25519
      HostName lambda.julienmalka.me
      User root
      Port 45
  '';


  # Open ports in the firewall.
  networking.firewall.allowedTCPPorts = [ 80 443 1810 ];
  networking.firewall.allowedUDPPorts = [ 80 443 1810 ];
  # Or disable the firewall altogether.
  # networking.firewall.enable = false;

  # This value determines the NixOS release from which the default
  # settings for stateful data, like file locations and database versions
  # on your system were taken. It‘s perfectly fine and recommended to leave
  # this value at the release version of the first install of this system.
  # Before changing this value read the documentation for this option
  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
  system.stateVersion = "22.11"; # Did you read the comment?

}