/* gpgme.js - Javascript integration for gpgme

 * Copyright (C) 2018 Bundesamt für Sicherheit in der Informationstechnik

 *

 * This file is part of GPGME.

 *

 * GPGME is free software; you can redistribute it and/or modify it

 * under the terms of the GNU Lesser General Public License as

 * published by the Free Software Foundation; either version 2.1 of

 * the License, or (at your option) any later version.

 *

 * GPGME is distributed in the hope that it will be useful, but

 * WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this program; if not, see <https://www.gnu.org/licenses/>.

 * SPDX-License-Identifier: LGPL-2.1+

 *

 * Author(s):

 *     Maximilian Krambach <mkrambach@intevation.de>

 */

/* global document, Gpgmejs */

document.addEventListener('DOMContentLoaded', function () {

    Gpgmejs.init().then(function (gpgmejs){

        document.getElementById('buttonencrypt').addEventListener('click',

            function (){

                let data = document.getElementById('inputtext').value;

                let keyId = document.getElementById('pubkey').value;

                gpgmejs.encrypt({ data: data, publicKeys: keyId, armor: true })

                    .then(function (answer){

                        if (answer.data){

                            document.getElementById(

                                'answer').value = answer.data;

                        }

                    }, function (errormsg){

                        alert( errormsg.message);

                    });

            });

        document.getElementById('buttondecrypt').addEventListener('click',

            function (){

                let data = document.getElementById('inputtext').value;

                gpgmejs.decrypt({ data: data }).then(

                    function (answer){

                        if (answer.data){

                            document.getElementById(

                                'answer').value = answer.data;

                        }

                    }, function (errormsg){

                        alert(errormsg.message);

                    });

            });

        document.getElementById('getdefaultkey').addEventListener('click',

            function (){

                gpgmejs.Keyring.getDefaultKey().then(function (answer){

                    document.getElementById('pubkey').value =

                        answer.fingerprint;

                }, function (errormsg){

                    alert(errormsg.message);

                });

            });

        document.getElementById('signtext').addEventListener('click',

            function (){

                let data = document.getElementById('inputtext').value;

                let keyId = document.getElementById('pubkey').value;

                gpgmejs.sign({ data: data, keys: keyId }).then(

                    function (answer){

                        if (answer.data){

                            document.getElementById(

                                'answer').value = answer.data;

                        }

                    }, function (errormsg){

                        alert( errormsg.message);

                    });

            });

        document.getElementById('verifytext').addEventListener('click',

            function (){

                let data = document.getElementById('inputtext').value;

                gpgmejs.verify({ data: data }).then(

                    function (answer){

                        let vals = '';

                        if (answer.all_valid === true){

                            vals = 'Success! ';

                        } else {

                            vals = 'Failure! ';

                        }

                        vals = vals + (answer.count - answer.failures) + 'of '

                            + answer.count + ' signature(s) were successfully '

                            + 'verified.\n\n' + answer.data;

                        document.getElementById('answer').value = vals;

                    }, function (errormsg){

                        alert( errormsg.message);

                    });

            });

        document.getElementById('searchkey').addEventListener('click',

            function (){

                let data = document.getElementById('inputtext').value;

                gpgmejs.Keyring.getKeys({

                    pattern: data,

                    prepare_sync: true,

                    search: true }

                ).then(function (keys){

                    if (keys.length === 1){

                        document.getElementById(

                            'pubkey').value = keys[0].fingerprint;

                    } else if (keys.length > 1) {

                        alert('The pattern was not unambiguous enough for a Key. '

                        + keys.length + ' Keys were found');

                    } else {

                        alert('No keys found');

                    }

                }, function (errormsg){

                    alert( errormsg.message);

                });

            });

    });

});