{
  config,
  pkgs,
  lib,
  ...
}: let
  cfg = config.alqueva.xonsh;
  attrsToPyDict = attrs: (lib.pipe attrs [
    (builtins.mapAttrs (n: v: "aliases['${n}'] = '${v}'"))
    builtins.attrValues
    (lib.concatStringsSep "\n")
    (s: s + "\n")
  ]);
in {
  options.alqueva.xonsh = {
    enable = lib.mkEnableOption "xonsh";
    package = lib.mkPackageOption pkgs "xonsh" {};
  };

  config = lib.mkIf cfg.enable {
    programs = {
      xonsh = {
        config =
          "from xonsh.xontribs import get_xontribs\n"
          + attrsToPyDict config.environment.shellAliases
          + ''
            for xontrib in get_xontribs():
                xontrib load @(xontrib)
          '';
        inherit (cfg) package;
        enable = true;
      };
    };
  };
}