export { sanitizeAnsiForThemedOutput } from "./ansi-utils.js";

export function pluralize(count: number, singular: string, plural = `${singular}s`): string {
  return count === 1 ? singular : plural;
}

/** Strip terminal control sequences before captured tool text is rendered again. */
const UNSAFE_TERMINAL_ESCAPE = new RegExp(
  "(?:\\u001B\\]|\\u009D)[\\s\\S]*?(?:\\u0007|\\u001B\\x5C|\\u009C)" +
    "|(?:\\u001B[PX^_]|\\u0090)[\\s\\S]*?(?:\\u001B\\x5C|\\u009C)" +
    "|(?:\\u001B\\[|\\u009B)[0-?]*[ -/]*[@-~]" +
    "|\\u001B[@-_]",
  "g",
);

export function sanitizeToolResultText(value: string, maxChars?: number): string {
  const source =
    typeof maxChars === "number" && maxChars >= 0 && value.length > maxChars
      ? value.slice(0, maxChars)
      : value;
  return source
    .replace(UNSAFE_TERMINAL_ESCAPE, "")
    .replace(/\x1B/g, "")
    .replace(/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x9F]/g, "")
    .replace(/\r\n/g, "\n")
    .replace(/\r/g, "\n");
}

/** Kept local so renderer modules do not depend on a package-global hint setting. */
export function showMoreHintText(): string {
  return "click to show more";
}