const HTTP_REGEX = '^https?:'

const WS_REGEX = '^wss?:'

function getUrlProtocol(url: string): string | undefined {
  const matches = url.match(new RegExp(/^\w+:/, 'gi'))
  if (!matches || !matches.length) return
  return matches[0]
}

function matchRegexProtocol(url: string, regex: string): boolean {
  const protocol = getUrlProtocol(url)
  if (typeof protocol === 'undefined') return false
  return new RegExp(regex).test(protocol)
}

export function isHttpUrl(url: string): boolean {
  return matchRegexProtocol(url, HTTP_REGEX)
}

export function isWsUrl(url: string): boolean {
  return matchRegexProtocol(url, WS_REGEX)
}

export function isLocalhostUrl(url: string): boolean {
  return new RegExp('wss?://localhost(:d{2,5})?').test(url)
}