{ lib, ... }:
let
  factsOption = lib.mkOption {
    type = lib.types.submodule {
      freeformType = lib.types.attrsOf lib.types.anything;
    };
    default = { };
  };
in
{
  options.facts = factsOption;

  config = {
    facts = {
      account = rec {
        name = "kiri";
        realName = "Jelle Spreeuwenberg";
        homeDirectory = "/home/${name}";
        nixosConfigurationPath = "${homeDirectory}/.config/nixos";

        emails = {
          personal = {
            address = "mail@jelles.net";
            primary = true;
            type = "mxrouting";
          };
          old = {
            address = "mail@jellespreeuwenberg.nl";
            type = "mxrouting";
          };
          uni = {
            address = "j.spreeuwenberg@student.tue.nl";
            type = "office365";
          };
          work = {
            address = "jelle.spreeuwenberg@yookr.org";
            type = "office365";
          };
        };

        primaryEmail = emails.personal;
      };

      services = {
        actual = {
          domain = "finance.jelles.net";
          host = "127.0.0.1";
          port = 3000;
          url = "https://finance.jelles.net";
        };
        gitea = {
          domain = "git.jelles.net";
          host = "127.0.0.1";
          port = 3001;
          url = "https://git.jelles.net/";
        };
        radicale = {
          domain = "radicale.jelles.net";
          host = "127.0.0.1";
          port = 5232;
          url = "https://radicale.jelles.net/";
        };
        vaultwarden = {
          domain = "vault.jelles.net";
          host = "127.0.0.1";
          port = 8100;
          url = "https://vault.jelles.net";
        };
      };

      theme = import ./capabilities/_theme.nix;
    };

    flake.modules.nixos.facts = { lib, ... }: {
      options.facts = factsOption;
    };

    flake.modules.homeManager.facts =
      {
        lib,
        osConfig ? { },
        ...
      }:
      {
        options.facts = factsOption;

        config.facts = lib.optionalAttrs (osConfig ? facts) {
          inherit (osConfig.facts)
            account
            machine
            machines
            services
            theme
            ;
        };
      };
  };
}