{ config, pkgs, lib, ... }:
with builtins // lib;
let
  json = pkgs.formats.json {};
  cfg = config.build.info;
in {
  options = {
    info = mkOption {
      internal = true;
      type = json.type;
      default = {};
    };
    build = {
      info = mkOption {
        internal = true;
        readOnly = true;
        type = types.package;
        default = pkgs.writeShellApplication {
          name = "kobo-info";
          runtimeInputs = with pkgs; [
            jq
            kobo-utils
          ];
          text = ''
            echo "Local information:"
            echo '${toJSON config.info}' | jq .


            echo "Remote information:"

            KOBOPATH="$(kobo-find -f || echo "")"

            if [[ -z "$KOBOPATH" ]]; then
              echo "No remote found"
              exit 0
            fi

            kobo-info --json "$KOBOPATH" | jq .
            '';
        };
      };
    };
  };

  config = {
    info = {
      device = {
        inherit (config.device) name affiliate hardware deviceID serialNumber;
      };
      firmware = {
        inherit (config.firmware) version date;
      };
    };
  };
}