var unit = require('../unit.js');

unit.register("Key generation/encryption/decryption", function() {
  var openpgp = require('openpgp');
  var result = [];
  var testHelper = function(passphrase, userid, message) {
    var key = openpgp.generateKeyPair(openpgp.enums.publicKey.rsa_encrypt_sign, 512, 
                                      userid, passphrase);

    var info = '\npassphrase: ' + passphrase + '\n'
        + 'userid: ' + userid + '\n'
        + 'message: ' + message;

    var privKey = openpgp.key.readArmored(key.privateKeyArmored);

    var encrypted = openpgp.encryptMessage([privKey], message);

    var msg = openpgp.message.readArmored(encrypted);

    var keyids = msg.getEncryptionKeyIds();

    privKey.decryptKeyPacket(keyids, passphrase);

    try {
      var decrypted = openpgp.decryptMessage(privKey, msg);
      return new unit.result(message + ' == ' + decrypted + info, message == decrypted);
    } catch (e) {
      return new unit.result("Exception on decrypt of private key packet!" + info, false);
    }

  };

  result.push(testHelper('password', 'Test McTestington <test@example.com>', 'hello world'));
  result.push(testHelper('●●●●', '♔♔♔♔ <test@example.com>', 'łäóć'));

  return result;
});

unit.register("Message encryption/decryption", function() {
  var openpgp = require('openpgp');

  var result = [];

  var pub_key = 
     ['-----BEGIN PGP PUBLIC KEY BLOCK-----',
      'Version: GnuPG v2.0.19 (GNU/Linux)',
      'Type: RSA/RSA',
      '',
      'mI0EUmEvTgEEANyWtQQMOybQ9JltDqmaX0WnNPJeLILIM36sw6zL0nfTQ5zXSS3+',
      'fIF6P29lJFxpblWk02PSID5zX/DYU9/zjM2xPO8Oa4xo0cVTOTLj++Ri5mtr//f5',
      'GLsIXxFrBJhD/ghFsL3Op0GXOeLJ9A5bsOn8th7x6JucNKuaRB6bQbSPABEBAAG0',
      'JFRlc3QgTWNUZXN0aW5ndG9uIDx0ZXN0QGV4YW1wbGUuY29tPoi5BBMBAgAjBQJS',
      'YS9OAhsvBwsJCAcDAgEGFQgCCQoLBBYCAwECHgECF4AACgkQSmNhOk1uQJQwDAP6',
      'AgrTyqkRlJVqz2pb46TfbDM2TDF7o9CBnBzIGoxBhlRwpqALz7z2kxBDmwpQa+ki',
      'Bq3jZN/UosY9y8bhwMAlnrDY9jP1gdCo+H0sD48CdXybblNwaYpwqC8VSpDdTndf',
      '9j2wE/weihGp/DAdy/2kyBCaiOY1sjhUfJ1GogF49rC4jQRSYS9OAQQA6R/PtBFa',
      'JaT4jq10yqASk4sqwVMsc6HcifM5lSdxzExFP74naUMMyEsKHP53QxTF0Grqusag',
      'Qg/ZtgT0CN1HUM152y7ACOdp1giKjpMzOTQClqCoclyvWOFB+L/SwGEIJf7LSCEr',
      'woBuJifJc8xAVr0XX0JthoW+uP91eTQ3XpsAEQEAAYkBPQQYAQIACQUCUmEvTgIb',
      'LgCoCRBKY2E6TW5AlJ0gBBkBAgAGBQJSYS9OAAoJEOCE90RsICyXuqIEANmmiRCA',
      'SF7YK7PvFkieJNwzeK0V3F2lGX+uu6Y3Q/Zxdtwc4xR+me/CSBmsURyXTO29OWhP',
      'GLszPH9zSJU9BdDi6v0yNprmFPX/1Ng0Abn/sCkwetvjxC1YIvTLFwtUL/7v6NS2',
      'bZpsUxRTg9+cSrMWWSNjiY9qUKajm1tuzPDZXAUEAMNmAN3xXN/Kjyvj2OK2ck0X',
      'W748sl/tc3qiKPMJ+0AkMF7Pjhmh9nxqE9+QCEl7qinFqqBLjuzgUhBU4QlwX1GD',
      'AtNTq6ihLMD5v1d82ZC7tNatdlDMGWnIdvEMCv2GZcuIqDQ9rXWs49e7tq1NncLY',
      'hz3tYjKhoFTKEIq3y3Pp',
      '=h/aX',
      '-----END PGP PUBLIC KEY BLOCK-----'].join('\n');

  var priv_key =
      ['-----BEGIN PGP PRIVATE KEY BLOCK-----',
      'Version: GnuPG v2.0.19 (GNU/Linux)',
      'Type: RSA/RSA',
      'Pwd: hello world',
      '',
      'lQH+BFJhL04BBADclrUEDDsm0PSZbQ6pml9FpzTyXiyCyDN+rMOsy9J300Oc10kt',
      '/nyBej9vZSRcaW5VpNNj0iA+c1/w2FPf84zNsTzvDmuMaNHFUzky4/vkYuZra//3',
      '+Ri7CF8RawSYQ/4IRbC9zqdBlzniyfQOW7Dp/LYe8eibnDSrmkQem0G0jwARAQAB',
      '/gMDAu7L//czBpE40p1ZqO8K3k7UejemjsQqc7kOqnlDYd1Z6/3NEA/UM30Siipr',
      'KjdIFY5+hp0hcs6EiiNq0PDfm/W2j+7HfrZ5kpeQVxDek4irezYZrl7JS2xezaLv',
      'k0Fv/6fxasnFtjOM6Qbstu67s5Gpl9y06ZxbP3VpT62+Xeibn/swWrfiJjuGEEhM',
      'bgnsMpHtzAz/L8y6KSzViG/05hBaqrvk3/GeEA6nE+o0+0a6r0LYLTemmq6FbaA1',
      'PHo+x7k7oFcBFUUeSzgx78GckuPwqr2mNfeF+IuSRnrlpZl3kcbHASPAOfEkyMXS',
      'sWGE7grCAjbyQyM3OEXTSyqnehvGS/1RdB6kDDxGwgE/QFbwNyEh6K4eaaAThW2j',
      'IEEI0WEnRkPi9fXyxhFsCLSI1XhqTaq7iDNqJTxE+AX2b9ZuZXAxI3Tc/7++vEyL',
      '3p18N/MB2kt1Wb1azmXWL2EKlT1BZ5yDaJuBQ8BhphM3tCRUZXN0IE1jVGVzdGlu',
      'Z3RvbiA8dGVzdEBleGFtcGxlLmNvbT6IuQQTAQIAIwUCUmEvTgIbLwcLCQgHAwIB',
      'BhUIAgkKCwQWAgMBAh4BAheAAAoJEEpjYTpNbkCUMAwD+gIK08qpEZSVas9qW+Ok',
      '32wzNkwxe6PQgZwcyBqMQYZUcKagC8+89pMQQ5sKUGvpIgat42Tf1KLGPcvG4cDA',
      'JZ6w2PYz9YHQqPh9LA+PAnV8m25TcGmKcKgvFUqQ3U53X/Y9sBP8HooRqfwwHcv9',
      'pMgQmojmNbI4VHydRqIBePawnQH+BFJhL04BBADpH8+0EVolpPiOrXTKoBKTiyrB',
      'UyxzodyJ8zmVJ3HMTEU/vidpQwzISwoc/ndDFMXQauq6xqBCD9m2BPQI3UdQzXnb',
      'LsAI52nWCIqOkzM5NAKWoKhyXK9Y4UH4v9LAYQgl/stIISvCgG4mJ8lzzEBWvRdf',
      'Qm2Ghb64/3V5NDdemwARAQAB/gMDAu7L//czBpE40iPcpLzL7GwBbWFhSWgSLy53',
      'Md99Kxw3cApWCok2E8R9/4VS0490xKZIa5y2I/K8thVhqk96Z8Kbt7MRMC1WLHgC',
      'qJvkeQCI6PrFM0PUIPLHAQtDJYKtaLXxYuexcAdKzZj3FHdtLNWCooK6n3vJlL1c',
      'WjZcHJ1PH7USlj1jup4XfxsbziuysRUSyXkjn92GZLm+64vCIiwhqAYoizF2NHHG',
      'hRTN4gQzxrxgkeVchl+ag7DkQUDANIIVI+A63JeLJgWJiH1fbYlwESByHW+zBFNt',
      'qStjfIOhjrfNIc3RvsggbDdWQLcbxmLZj4sB0ydPSgRKoaUdRHJY0S4vp9ouKOtl',
      '2au/P1BP3bhD0fDXl91oeheYth+MSmsJFDg/vZJzCJhFaQ9dp+2EnjN5auNCNbaI',
      'beFJRHFf9cha8p3hh+AK54NRCT++B2MXYf+TPwqX88jYMBv8kk8vYUgo8128r1zQ',
      'EzjviQE9BBgBAgAJBQJSYS9OAhsuAKgJEEpjYTpNbkCUnSAEGQECAAYFAlJhL04A',
      'CgkQ4IT3RGwgLJe6ogQA2aaJEIBIXtgrs+8WSJ4k3DN4rRXcXaUZf667pjdD9nF2',
      '3BzjFH6Z78JIGaxRHJdM7b05aE8YuzM8f3NIlT0F0OLq/TI2muYU9f/U2DQBuf+w',
      'KTB62+PELVgi9MsXC1Qv/u/o1LZtmmxTFFOD35xKsxZZI2OJj2pQpqObW27M8Nlc',
      'BQQAw2YA3fFc38qPK+PY4rZyTRdbvjyyX+1zeqIo8wn7QCQwXs+OGaH2fGoT35AI',
      'SXuqKcWqoEuO7OBSEFThCXBfUYMC01OrqKEswPm/V3zZkLu01q12UMwZach28QwK',
      '/YZly4ioND2tdazj17u2rU2dwtiHPe1iMqGgVMoQirfLc+k=',
      '=lw5e',
      '-----END PGP PRIVATE KEY BLOCK-----'].join('\n');

  var plaintext = 'short message\nnext line\n한국어/조선말';

  var key = openpgp.key.readArmored(pub_key);

  var encrypted = openpgp.encryptMessage([key], plaintext);

  var message = openpgp.message.readArmored(encrypted);

  var privKey = openpgp.key.readArmored(priv_key);

  // get key IDs the message is encrypted for
  var keyids = message.getEncryptionKeyIds();

  // decrypt only required key packets
  var success = privKey.decryptKeyPacket(keyids, 'hello what?')

  result.push(new unit.result('Decrypting key packet with wrong password returns false', !success));

  var decrypted, error;
  try {
    decrypted = openpgp.decryptMessage(privKey, message);
  } catch (e) {
    error = e;
  }
  result.push(new unit.result('Calling decryptMessage with not decrypted key packet leads to exception: \'' + (error || '') + '\'', error));

  success = privKey.decryptKeyPacket(keyids, 'hello world');

  result.push(new unit.result('Decrypting key packet with correct password returns true', success));

  decrypted = openpgp.decryptMessage(privKey, message);

  result.push(new unit.result('Encrypt plain text and afterwards decrypt leads to same result', plaintext == decrypted));

  return result;

});