/*
 * Copyright (C) 2015 Dominik Schürmann <dominik@dominikschuermann.de>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.sufficientlysecure.keychain.pgp;

import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.openintents.openpgp.util.OpenPgpUtils;
import org.sufficientlysecure.keychain.KeychainTestRunner;

@RunWith(KeychainTestRunner.class)
public class SplitUserIdTest {

    @Test
    public void splitCompleteUserIdShouldReturnEmpty() throws Exception {
        OpenPgpUtils.UserId info = KeyRing.splitUserId("");
        Assert.assertNull(info.name);
        Assert.assertNull(info.email);
        Assert.assertNull(info.comment);
    }

    @Test
    public void splitCompleteUserIdShouldReturnAll3Components() throws Exception {
        OpenPgpUtils.UserId info = KeyRing.splitUserId("Max Mustermann (this is a comment) <max@example.com>");
        Assert.assertEquals("Max Mustermann", info.name);
        Assert.assertEquals("max@example.com", info.email);
        Assert.assertEquals("this is a comment", info.comment);
    }

    @Test
    public void splitUserIdWithAllButCommentShouldReturnNameAndEmail() throws Exception {
        OpenPgpUtils.UserId info = KeyRing.splitUserId("Max Mustermann <max@example.com>");
        Assert.assertEquals("Max Mustermann", info.name);
        Assert.assertEquals("max@example.com", info.email);
        Assert.assertNull(info.comment);
    }

    @Test
    public void splitUserIdWithAllButEmailShouldReturnNameAndComment() throws Exception {
        OpenPgpUtils.UserId info = KeyRing.splitUserId("Max Mustermann (this is a comment)");
        Assert.assertEquals("Max Mustermann", info.name);
        Assert.assertNull(info.email);
        Assert.assertEquals("this is a comment", info.comment);
    }

    @Test
    public void splitUserIdWithCommentAndEmailShouldReturnCommentAndEmail() throws Exception {
        OpenPgpUtils.UserId info = KeyRing.splitUserId(" (this is a comment) <max@example.com>");
        Assert.assertNull(info.name);
        Assert.assertEquals("max@example.com", info.email);
        Assert.assertEquals("this is a comment", info.comment);
    }

    @Test
    public void splitUserIdWithEmailShouldReturnEmail() throws Exception {
        OpenPgpUtils.UserId info = KeyRing.splitUserId("max@example.com");
        Assert.assertNull(info.name);
        Assert.assertEquals("max@example.com", info.email);
        Assert.assertNull(info.comment);
    }

    @Test
    public void splitUserIdWithQuotedEmailShouldReturnEmail() throws Exception {
        OpenPgpUtils.UserId info = KeyRing.splitUserId("\"max@example.com\"");
        Assert.assertNull(info.name);
        Assert.assertEquals("max@example.com", info.email);
        Assert.assertNull(info.comment);
    }

    @Test
    public void splitUserIdWithEmailBracketsShouldReturnEmail() throws Exception {
        OpenPgpUtils.UserId info = KeyRing.splitUserId("<max@example.com>");
        Assert.assertNull(info.name);
        Assert.assertEquals("max@example.com", info.email);
        Assert.assertNull(info.comment);
    }

    @Test
    public void splitUserIdWithEmailAsNameShouldReturnEmail() throws Exception {
        OpenPgpUtils.UserId info = KeyRing.splitUserId("max@example.com <max@example.com>");
        Assert.assertNull(info.name);
        Assert.assertEquals("max@example.com", info.email);
        Assert.assertNull(info.comment);
    }

    @Test
    public void splitUserIdWithQuotedEmailAsNameShouldReturnEmail() throws Exception {
        OpenPgpUtils.UserId info = KeyRing.splitUserId("\"max@example.com\" <max@example.com>");
        Assert.assertNull(info.name);
        Assert.assertEquals("max@example.com", info.email);
        Assert.assertNull(info.comment);
    }

    @Test
    public void splitUserIdWithEmailAndEmailLookingNameShouldReturnEmailAndName() throws Exception {
        OpenPgpUtils.UserId info = KeyRing.splitUserId("Name@LooksLike.Email <max@example.com>");
        Assert.assertEquals("Name@LooksLike.Email", info.name);
        Assert.assertEquals("max@example.com", info.email);
        Assert.assertNull(info.comment);
    }

    @Test
    public void splitUserIdWithNameShouldReturnName() throws Exception {
        OpenPgpUtils.UserId info = KeyRing.splitUserId("Max Mustermann");
        Assert.assertEquals("Max Mustermann", info.name);
        Assert.assertNull(info.email);
        Assert.assertNull(info.comment);
    }

    @Test
    public void splitUserIdWithCommentShouldReturnComment() throws Exception {
        OpenPgpUtils.UserId info = KeyRing.splitUserId(" (this is a comment)");
        Assert.assertNull(info.name);
        Assert.assertNull(info.email);
        Assert.assertEquals("this is a comment", info.comment);
    }

    @Test
    public void splitUserIdWithEmailWithoutTldShouldReturnNameAndEmail() {
        OpenPgpUtils.UserId info = KeyRing.splitUserId("Max Mustermann <max@localhost>");
        Assert.assertEquals("Max Mustermann", info.name);
        Assert.assertEquals("max@localhost", info.email);
        Assert.assertNull(info.comment);
    }

}