/*global Promise*/
(function () {
  'use strict';

  var Keypairs = window.Keypairs;
  var Rasha = window.Rasha;
  var Eckles = window.Eckles;
  var x509 = window.x509;
  var CSR = window.CSR;
  var ACME = window.ACME;
  var accountStuff = {};

  function $(sel) {
    return document.querySelector(sel);
  }
  function $$(sel) {
    return Array.prototype.slice.call(document.querySelectorAll(sel));
  }

  function run() {
    console.log('hello');

    // Show different options for ECDSA vs RSA
    $$('input[name="kty"]').forEach(function ($el) {
      $el.addEventListener('change', function (ev) {
        console.log(this);
        console.log(ev);
        if ("RSA" === ev.target.value) {
          $('.js-rsa-opts').hidden = false;
          $('.js-ec-opts').hidden = true;
        } else {
          $('.js-rsa-opts').hidden = true;
          $('.js-ec-opts').hidden = false;
        }
      });
    });

    // Generate a key on submit
    $('form.js-keygen').addEventListener('submit', function (ev) {
      ev.preventDefault();
      ev.stopPropagation();
      $('.js-loading').hidden = false;
      $('.js-jwk').hidden = true;
      $('.js-toc-der-public').hidden = true;
      $('.js-toc-der-private').hidden = true;
      $('.js-toc-jwk').hidden = true;

      $$('.js-toc-pem').forEach(function ($el) {
        $el.hidden = true;
      });
      $$('input').map(function ($el) { $el.disabled = true; });
      $$('button').map(function ($el) { $el.disabled = true; });
      var opts = {
        kty: $('input[name="kty"]:checked').value
        , namedCurve: $('input[name="ec-crv"]:checked').value
        , modulusLength: $('input[name="rsa-len"]:checked').value
      };
      var then = Date.now();
      console.log('opts', opts);
      Keypairs.generate(opts).then(function (results) {
        console.log("Key generation time:", (Date.now() - then) + "ms");
        var pubDer;
        var privDer;
        if (/EC/i.test(opts.kty)) {
          privDer = x509.packPkcs8(results.private);
          pubDer = x509.packSpki(results.public);
          Eckles.export({ jwk: results.private, format: 'sec1' }).then(function (pem) {
            $('.js-input-pem-sec1-private').innerText = pem;
            $('.js-toc-pem-sec1-private').hidden = false;
          });
          Eckles.export({ jwk: results.private, format: 'pkcs8' }).then(function (pem) {
            $('.js-input-pem-pkcs8-private').innerText = pem;
            $('.js-toc-pem-pkcs8-private').hidden = false;
          });
          Eckles.export({ jwk: results.public, public: true }).then(function (pem) {
            $('.js-input-pem-spki-public').innerText = pem;
            $('.js-toc-pem-spki-public').hidden = false;
          });
        } else {
          privDer = x509.packPkcs8(results.private);
          pubDer = x509.packSpki(results.public);
          Rasha.export({ jwk: results.private, format: 'pkcs1' }).then(function (pem) {
            $('.js-input-pem-pkcs1-private').innerText = pem;
            $('.js-toc-pem-pkcs1-private').hidden = false;
          });
          Rasha.export({ jwk: results.private, format: 'pkcs8' }).then(function (pem) {
            $('.js-input-pem-pkcs8-private').innerText = pem;
            $('.js-toc-pem-pkcs8-private').hidden = false;
          });
          Rasha.export({ jwk: results.public, format: 'pkcs1' }).then(function (pem) {
            $('.js-input-pem-pkcs1-public').innerText = pem;
            $('.js-toc-pem-pkcs1-public').hidden = false;
          });
          Rasha.export({ jwk: results.public, format: 'spki' }).then(function (pem) {
            $('.js-input-pem-spki-public').innerText = pem;
            $('.js-toc-pem-spki-public').hidden = false;
          });
        }

        $('.js-der-public').innerText = pubDer;
        $('.js-toc-der-public').hidden = false;
        $('.js-der-private').innerText = privDer;
        $('.js-toc-der-private').hidden = false;
        $('.js-jwk').innerText = JSON.stringify(results, null, 2);
        $('.js-loading').hidden = true;
        $('.js-jwk').hidden = false;
        $$('input').map(function ($el) { $el.disabled = false; });
        $$('button').map(function ($el) { $el.disabled = false; });
        $('.js-toc-jwk').hidden = false;

      });
    });

    $('form.js-keysign').addEventListener('submit', function (ev) {
      ev.preventDefault();
      ev.stopPropagation();
      $('.js-pem-loading').hidden = false;
      $('.js-toc-jws').hidden = true;
      $('.js-toc-jwt').hidden = true;
      $$('input').map(function ($el) { $el.disabled = true; });
      $$('button').map(function ($el) { $el.disabled = true; });

      try {


        var opts = {
          jwk: JSON.parse($('textarea[name="jwk"]').value),
          claims: {
            exp: "1h",
            iss: document.getElementById(`-acmeDomains`).value
          }
        };

        Keypairs.signJwt(opts).then(function (msg) {
          document.getElementById(`sign-error`).innerText = null;
          $('.js-jwt').innerText = msg;
          $('.js-toc-jwt').hidden = false;
          var msgArr = msg.split(".")
          var protected64 = msgArr[0]
          var payload64 = msgArr[1]
          var signature = msgArr[2]
          var signedMsg = {
            protected: protected64
            , payload: payload64
            , signature
          };
          $('.js-jws').innerText = JSON.stringify(signedMsg, null, 2);
          $('.js-toc-jws').hidden = false;
          $('.js-pem-loading').hidden = true;
          $$('input').map(function ($el) { $el.disabled = false; });
          $$('button').map(function ($el) { $el.disabled = false; });
        }).catch(function (error) {
          document.getElementById(`sign-error`).innerText = error.message
          $('.js-pem-loading').hidden = true;
          $$('input').map(function ($el) { $el.disabled = false; });
          $$('button').map(function ($el) { $el.disabled = false; });
        })
      } catch (error) {
        document.getElementById(`sign-error`).innerText = error.message
        $('.js-pem-loading').hidden = true;
        $$('input').map(function ($el) { $el.disabled = false; });
        $$('button').map(function ($el) { $el.disabled = false; });
      }

    });

    $('.js-generate').hidden = false;
    $('.js-sign').hidden = false;
    $('textarea[name="jwk"]').value = JSON.stringify({
      "crv": "P-256",
      "d": "LImWxqqTHbP3LHQfqscDSUzf_uNePGqf9U6ETEcO5Ho",
      "kty": "EC",
      "x": "vdjQ3T6VBX82LIKDzepYgRsz3HgRwp83yPuonu6vqos",
      "y": "IUkEXtAMnppnV1A19sE2bJhUo4WPbq6EYgWxma4oGyg",
      "kid": "MnfJYyS9W5gUjrJLdn8ePMzik8ZJz2qc-VZmKOs_oCw"
    })
  }

  window.addEventListener('load', run);
}());