function promptLooksFingerprint(text) {
  var s = String(text || "").toLowerCase()
  return s.indexOf("finger") !== -1 || s.indexOf("fprint") !== -1 || s.indexOf("swipe") !== -1
}

function fingerprintFirstFromPamConfig(raw) {
  var lines = String(raw || "").split("\n")
  for (var i = 0; i < lines.length; i++) {
    var line = lines[i].replace(/^\s+|\s+$/g, "")
    if (!line || line.charAt(0) === "#") continue
    if (!line.match(/^auth\s+/)) continue
    return line.indexOf("pam_fprintd.so") !== -1
  }
  return false
}

function authorizationLabel(message) {
  var text = String(message || "")
  var match = text.match(/^Authentication is (?:needed|required) to run [`']([^`']+)[`'] as /i)
  return match ? "Authorize running '" + match[1] + "'" : text
}

if (typeof module !== "undefined") {
  module.exports = {
    promptLooksFingerprint: promptLooksFingerprint,
    fingerprintFirstFromPamConfig: fingerprintFirstFromPamConfig,
    authorizationLabel: authorizationLabel
  }
}