{ config, pkgs, domain, ... }:

{
  imports = [
    ./nginx.nix
    ./modules/lnbits-service.nix
    { _module.args = { inherit domain; }; }
    ./pict-rs.nix
    ./lnbits.nix
  ];

  # Set hostname (extract from domain, e.g., "4lpaca" from "4lpaca.io")
  networking.hostName = builtins.head (pkgs.lib.splitString "." domain);

  # System packages
  environment.systemPackages = with pkgs; [
    vim
    git
    htop
  ];

  # Enable SSH
  services.openssh.enable = true;

  # Configure domain-specific virtual hosts
  services.nginx.virtualHosts = {
    # Web-app service
    "app.${domain}" = {
      forceSSL = true;
      enableACME = true;
      root = "/var/src/web-app-dist";
      locations."/" = {
        index = "index.html";
        tryFiles = "$uri $uri/ /index.html";
      };
    };
  };

  # NixOS release version
  system.stateVersion = "25.05";
}