import { PluginOptions } from "./types";
export { isTrue, isNumber, isStrictNumber };

function isTrue(value?: boolean | string): boolean {
  return String(value).toLowerCase() === "true";
}

// This strictly follows the ECMAScript Language Specification: https://262.ecma-international.org/5.1/#sec-9.3
function isNumber(value?: boolean | string): boolean {
  return !isNaN(Number(value));
}

// Must be a finite numeric value, excluding booleans, Infinity, and non-numeric strings
function isStrictNumber(value?: boolean | string): boolean {
  if (typeof value === "boolean" || !value?.trim().length) {
    return false;
  }

  const num = Number(value);
  return Number.isFinite(num);
}

export function resolveNestedJarsOption(options?: Partial<PluginOptions>) {
  const safeOptions = options || {};

  return [
    safeOptions["nested-jars-depth"],
    safeOptions["shaded-jars-depth"],
  ].find(isDefined);
}

export function isDefined(value?: string | boolean): boolean {
  return value !== "" && value != null;
}