/**
 * convert query string to object
 *
 * @param url http url
 * @returns
 */
export function convertQueryString<T extends Record<string, string>>(
  url: string,
): T {
  const query = url.split('?')[1]
  const result = {} as T
  if (query) {
    query.split('&').forEach((item) => {
      const [key, value] = item.split('=')
      Reflect.set(result, key, decodeURIComponent(value))
    })
  }
  return result
}

/**
 * convert params routes to regular expressions
 *
 * @param path a params paths
 * @returns null or An array contains the RegExp that matches the params and the path for each params parameter
 */
export function convertParamsRouterToRegExp(path: string) {
  const matcher = path.match(/:(.*?)(?:\/|$)/g)
  if (matcher === null) return null
  const reg = new RegExp(path.replace(/:(.*?)(\/|$)/g, '.*?$2'))
  return [reg, matcher.map((val) => val.replace(/:(.*?)(\/|$)/g, '$1'))]
}