{ config, lib, ... }:
let
  cfg = config.services.iana-angl;
in
{
  options.services.iana-angl = {
    enable = lib.mkEnableOption "iana-angl static site";

    package = lib.mkOption {
      type = lib.types.package;
      description = "Static iana-angl site package to serve.";
    };

    domain = lib.mkOption {
      type = lib.types.strMatching ".+";
      description = "Nonempty nginx virtual host domain for iana-angl.";
    };
  };

  config = lib.mkIf cfg.enable {
    services.nginx = {
      enable = true;
      virtualHosts.${cfg.domain}.locations."/".extraConfig = ''
        alias ${cfg.package}/;
        try_files $uri $uri/ /index.html;
      '';
    };
  };
}