import { normalizeOptionalLowercaseString } from "../shared/string-coerce.js";

/** Read loose boolean params from tool input that may arrive as booleans or "true"/"false" strings. */
export function readBooleanParam(
  params: Record<string, unknown>,
  key: string,
): boolean | undefined {
  const raw = params[key];
  if (typeof raw === "boolean") {
    return raw;
  }
  const normalized = normalizeOptionalLowercaseString(raw);
  if (normalized === "true") {
    return true;
  }
  if (normalized === "false") {
    return false;
  }
  return undefined;
}