# 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,
  ...
}: let
  home-manager = builtins.fetchTarball "https://github.com/nix-community/home-manager/archive/release-25.11.tar.gz";
in {
  # Add Lix instead of Nix
  nixpkgs.overlays = [
    (final: prev: {
      inherit
        (prev.lixPackageSets.stable)
        nixpkgs-review
        nix-eval-jobs
        nix-fast-build
        colmena
        ;
    })
  ];
  nix.package = pkgs.lixPackageSets.stable.lix;

  imports = [
    # Include the results of the hardware scan.
    ./hardware-configuration.nix
    (import "${home-manager}/nixos")
  ];

  # Bootloader - The given default one by NixOS is not to be trusted....
    boot.loader.grub.enable = true;
    boot.loader.grub.version = 2;
    boot.loader.grub.device = "/dev/sda";
    # Disable EFI bootloader options if present:
    boot.loader.efi.enable = false;

  networking.hostName = "nixos-traefik"; # 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";

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

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

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


  # Enable Seatd for Wayland sessions (needed for sway/seat management)
  services.seatd = {
    enable = true;
    logLevel = "info";
  };

  # Enable the gnome-keyring secrets vault (expose via DBus)
  services.gnome.gnome-keyring.enable = true;

  # Enable Sway window manager instead of GNOME
  programs.sway = {
    enable = true;
    wrapperFeatures.gtk = true;
  };

  # Use greetd as a greeter that launches sway (tuigreet example)
  services.greetd = {
    enable = true;
    settings = {
      default_session = {
        command = "${pkgs.tuigreet}/bin/tuigreet --time --cmd sway";
        user = "greeter";
      };
    };
  };

  # Security and polkit
  security.polkit.enable = true;

  # Keep GPU support available for Wayland compositors / applications
  hardware.graphics = {
    enable = true;
    enable32Bit = true;
  };

  # Keep allowing unfree packages
  nixpkgs.config.allowUnfree = true;

  # Passwordless sudo for wheel group (as in example.nix)
  security.sudo.wheelNeedsPassword = false;

  # Hardware U2F support (from example.nix)
  security.pam.u2f = {
    enable = true;
    settings = {
      authfile = "/etc/u2f_keys";
      cue = true;
      pinverification = 0;
      userpresence = 1;
    };
  };


  # SSH Agent authentication
  security.pam.sshAgentAuth.enable = true;

  # Automatic upgrades (from example.nix)
  system.autoUpgrade = {
    enable = true;
    dates = "daily";
    allowReboot = false;
  };


  # Enable Traefik service (from https://wiki.nixos.org/wiki/Traefik)
    services.traefik = {
      enable = true;

      staticConfigOptions = {
        entryPoints = {
          web = {
            address = ":80";
            asDefault = true;
            http.redirections.entrypoint = {
              to = "websecure";
              scheme = "https";
            };
          };

          websecure = {
            address = ":443";
            asDefault = true;
            http.tls.certResolver = "letsencrypt";
          };
        };

        log = {
          level = "INFO";
          filePath = "${config.services.traefik.dataDir}/traefik.log";
          format = "json";
        };

        api.dashboard = true;
        # Access the Traefik dashboard on <Traefik IP>:8080 of your server
        api.insecure = true;
      };

      dynamicConfigOptions = {
        http.routers = {};
        http.services = {};
      };
    };

    security.acme = {
      acceptTerms = true;
      defaults.email = "dtu.prg@gmail.com";
      certs."prg-radio.org" = {
        domain = "*.prg-radio.org";
        group = "nginx";
        dnsProvider = "cloudflare";
        environmentFile = "/etc/cloudflare.env";
      };
    };


  # Add extra system packages from example.nix (appended to existing list)
  environment.systemPackages = with pkgs; [
    wget
    helix
    fastfetch
    hyfetch
    pgadmin4
    atool
    httpie
    alacritty
    hyfetch
    macchina
    wayland
    wlroots
    maple-mono.NF
    wl-clipboard
    mako
    btop
    fastfetch
    lshw
    pciutils
    usbutils
    btrfs-progs
    e2fsprogs
    ntfs3g
    dosfstools
    os-prober
    arp-scan
    librewolf
    git
  ];

  # Enable rsync service (from example.nix)
  services.rsync.enable = true;

  # OpenSSH detailed settings (merge with existing openssh.enable = true)
  services.openssh = {
    enable = true;
    ports = [22];
    settings = {
      PasswordAuthentication = false;
      AllowUsers = null;
      UseDns = true;
      PermitRootLogin = "no";
    };
  };

  # Keymap (carry over)
  services.xserver.xkb = {
    layout = "us";
    variant = "";
  };

  # NetworkManager (already enabled) -- keep existing config
  networking.networkmanager.enable = true;

  # Add the extra user from example.nix
  users.users.traefikprg = {
    isNormalUser = true;
    description = "NixOS PRG Traefik Service";
    extraGroups = ["networkmanager" "wheel" "seat"];
    packages = with pkgs; [];
  };

  # Home Manager user configuration for traefikprg (from example.nix)
  home-manager.users.traefikprg = { pkgs, ... }: {
    home.packages = [
      pkgs.atool
      pkgs.httpie
      pkgs.alacritty
      pkgs.hyfetch
      pkgs.macchina
      pkgs.wayland
      pkgs.wlroots
      pkgs.maple-mono.NF
      pkgs.wl-clipboard
      pkgs.mako
      pkgs.btop
    ];

    home.sessionVariables = {
      TERMINAL = "alacritty";
    };

    programs.zsh.enable = true;

    programs.alacritty = {
      enable = true;
      settings = {
        window = {
          opacity = 1.0;
          padding = { x = 10; y = 10; };
        };
        font = {
          normal = { family = "Maple Mono NF"; style = "Regular"; };
          bold = { family = "Maple Mono NF"; style = "Bold"; };
          italic = { family = "Maple Mono NF"; style = "Italic"; };
          bold_italic = { family = "Maple Mono NF"; style = "Bold Italic"; };
          size = 14.0;
        };
        colors = {
          primary = {
            background = "#1e1e2e";
            foreground = "#cdd6f4";
          };
        };
      };
    };

    programs.hyfetch = {
      enable = true;
      settings = {
        preset = "lesbian";
        mode = "rgb";
        lightness = 0.55;
        backend = "macchina";
        logo_size = "small";
        pride_month_disable = false;
        pride_month_shown = [];
        color_align = { mode = "horizontal"; };
      };
    };

    home.stateVersion = "25.11";
  };

  # Attach the system to the IPFire network:  set a static IP on the Proxmox bridge (ens18)
  # Adjust `ens18` and the address below to your environment.
  networking.interfaces.ens18.ipv4.addresses = [
    {
      address = "10.1.1.250";
      prefixLength = 24;
    }
  ];
  networking.defaultGateway = "10.1.1.1";
  environment.etc."resolv.conf".text = ''
    nameserver 10.1.1.2
  '';

  # 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 = "25.11"; # Did you read the comment?
}