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

{
  imports = [
    ./hardware-configuration.nix
    ./disks.nix
  ];

  boot = {
    loader.grub = {
      enable = true;
      efiSupport = true;
      efiInstallAsRemovable = true;
    };
    supportedFilesystems = [ "bcachefs" ];
    kernelPackages = pkgs.linuxPackages_latest;
  };

  time.timeZone = "Europe/Paris";

  networking = {
    useNetworkd = true;
    useDHCP = false;
  };
  systemd.network = {
    enable = true;
    networks."10-ens3" = {
      name = "ens3";
      address = [
        "51.83.69.54/32"
        "2001:41d0:305:2100::5c52/56"
      ];
      routes = [
        { Destination = "51.83.68.1/32"; }
        {
          Destination = "213.186.33.99/32";
          Gateway = "51.83.68.1";
        }
        { Gateway = "51.83.68.1"; }
        { Gateway = "2001:41d0:305:2100::1"; }
      ];
      dns = [ "213.186.33.99" ];
    };
  };

  i18n.defaultLocale = "en_US.UTF-8";
  console = {
    font = "Lat2-Terminus16";
    keyMap = "fr";
  };

  security.acme = {
    acceptTerms = true;
    defaults.email = "root@katvayor.net";
  };
  services.nginx =
    let
      kat-r86s = "100.102.49.84";
      vhosts = {
        "manah.katvayor.net" = null;
        "degette.katvayor.net" = 22000;
        "traque.katvayor.net" = 22001;
        "traque.dgnum.eu" = null;
        "betamail.katvayor.net" = 22002;
        "catvayor.sh" = null;
        "test.traque.katvayor.net" = null;
        "son.katvayor.net" = null;
      };
    in
    {
      enable = true;
      virtualHosts =
        let
          watcher-webroot = pkgs.runCommand "watcher" { } ''
            mkdir -p $out/.kat-watcher/
            ln -nsf ${./error} $out/.kat-watcher/error
          '';
        in
        {
          "watcher.katvayor.net" = {
            default = true;
            enableACME = true;
            addSSL = true;
            locations = {
              "/.kat-watcher" = {
                extraConfig = ''
                  internal;
                  error_page 404 =418 /.kat-watcher/error/418.html;
                '';
                root = watcher-webroot;
              };
              "/" = {
                extraConfig = ''
                  return 418;
                  error_page 418 =418 /.kat-watcher/error/418.html;
                '';
              };
            };
          };
        }
        // builtins.mapAttrs (_: _: {
          enableACME = true;
          forceSSL = true;
          acmeFallbackHost = kat-r86s;
          acmeFallbackRecommendedProxySettings = true;
          locations = {
            "/.kat-watcher" = {
              extraConfig = ''
                internal;
                error_page 404 =418 /.kat-watcher/error/418.html;
              '';
              root = watcher-webroot;
            };
            "/" = {
              recommendedProxySettings = true;
              proxyPass = "https://${kat-r86s}/";
              extraConfig = ''
                proxy_set_header Connection ''';
                proxy_http_version 1.1;
                chunked_transfer_encoding off;
                proxy_buffering off;
                proxy_cache off;
                error_page 502 =599 "/.kat-watcher/error/599.html";
              '';
            };
          };
        }) vhosts;
      streamConfig =
        builtins.concatStringsSep "\n" (
          lib.mapAttrsToList (
            vhost: sshport:
            lib.optionalString (!isNull sshport) ''
              server {
                listen ${toString sshport};
                proxy_pass ${kat-r86s}:${toString sshport};
              }
            ''
          ) vhosts
        )
        + ''
          server {
            listen 993;
            proxy_pass ${kat-r86s}:993;
          }
          server {
            listen 465;
            proxy_pass ${kat-r86s}:465;
          }
          server {
            listen 25;
            proxy_pass ${kat-r86s}:25;
          }
        '';
    };

  services.dbus.packages = with pkgs; [ dconf ];

  programs.zsh.enable = true;

  environment.systemPackages = with pkgs; [
    wget
    nix-search-cli
    git
    btop
    ranger
    screen
  ];

  programs.gnupg.agent = {
    enable = true;
    enableSSHSupport = true;
  };

  services.openssh.enable = true;

  services.netbird.enable = true;
  networking = {
    nftables.enable = true;
    firewall = {
      allowedTCPPorts = [
        22
        25
        80
        443
        993
        465
      ];
      allowedTCPPortRanges = [
        {
          from = 22000;
          to = 22100;
        }
      ];
    };
  };

  system.stateVersion = "23.11";
}