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

{
  imports =
    [
      ./hardware-configuration.nix
      /var/src/modules/nixin.nix
      /var/src/modules/users.nix
    ];

  # Bootloader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  networking = {
    hostName = "arachnide"; # Define your hostname.
    # primary network interface, connected to WAN through a router
    interfaces.enp1s0.ipv4.addresses = [ {
      address = "192.168.36.9";
      prefixLength = 24;
    } ];
    defaultGateway = "192.168.36.1";
    # secondary network interface connected to a private local network
    interfaces.enp3s0.ipv4.addresses = [ {
      address = "10.0.0.1";
      prefixLength = 24;
    } ];
    nameservers = [ "80.67.169.12" "80.67.169.40" "2001:910:800::12" "2001:910:800::40" ];
    enableIPv6 = true;
    # wireguard VPN to be reachable from internet
    wg-quick.interfaces = {
      wg0 = {
        address = [ "192.168.12.2/32" "2a01:4f9:1a:9a05::2/128" ];
        dns = [ "80.67.169.12" "80.67.169.40" "2001:910:800::12" "2001:910:800::40" ];
        privateKeyFile = "/var/src/secrets/wg-private.key";

        peers = [
          {
            publicKey = "cUmp55I20JEhxr+RMmOsX+6U9kcDiAq3grnvzjQ642w=";
            allowedIPs = [ "0.0.0.0/0" "::/0" ];
            endpoint = "vpn.lab12.fr:51812";
            persistentKeepalive = 15;
          }
        ];
      };
    };
  };

  # Enable ip forwarding to route packets for the local network connected to enp3s0  
  boot.kernel.sysctl = {
    "net.ipv4.ip_forward" = 1;
    "net.ipv6.conf.all.forwarding" = 1;
  };

  # Open ports in the firewall.
  # Or disable the firewall altogether.
  # networking.firewall.enable = false;
  networking.firewall.allowedTCPPorts = [ 80 144 443 ];
  #networking.firewall.allowedUDPPorts = [ 53 ];
  # allow UDP port range for mosh
  networking.firewall.allowedUDPPortRanges = [
    { from = 60000; to = 61000; }
  ];

  # Set your time zone.
  time.timeZone = "Etc/UTC";

  # Select internationalisation properties.
  i18n.defaultLocale = "fr_FR.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 console keymap
  console.keyMap = "fr";

  # Allow unfree packages
  nixpkgs.config.allowUnfree = true;

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = with pkgs; [
  #  vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
    git
    wget
    tmux
    htop
    mosh
    dig
    mtr
  ];

 programs.neovim = {
    enable = true;
    viAlias = true;
    vimAlias = true;
  };

  # 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 = "24.05"; # Did you read the comment?
}