/*
 *  Copyright (C) 2026 KeePassXC Team <team@keepassxc.org>
 *
 *  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 2 or (at your option)
 *  version 3 of the License.
 *
 *  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/>.
 */

#include "TestIconDownloader.h"

#include <QTest>

#include "core/Config.h"
#include "gui/IconDownloader.h"

QTEST_GUILESS_MAIN(TestIconDownloader)

void TestIconDownloader::initTestCase()
{
    QLocale::setDefault(QLocale::c());
}

void TestIconDownloader::testIconDownloader()
{
    QFETCH(QString, url);
    QFETCH(QStringList, expectation);
    config()->set(Config::Security_IconDownloadFallback, false);

    IconDownloader downloader;
    downloader.setUrl(url);
    QStringList resolved_urls;
    for (const auto& resolved_url : downloader.m_urlsToTry) {
        resolved_urls.push_back(resolved_url.toString());
    }

    QCOMPARE(resolved_urls, expectation);
}

void TestIconDownloader::testIconDownloader_data()
{
    QTest::addColumn<QString>("url");
    QTest::addColumn<QStringList>("expectation");

    const QString keepassxc_favicon("https://keepassxc.org/favicon.ico");

    QTest::newRow("Invalid URL") << "http:sk/s.com" << QStringList{};
    QTest::newRow("Unsupported schema") << "ftp://google.com" << QStringList{};
    QTest::newRow("Missing schema") << "keepassxc.org" << QStringList{"https://keepassxc.org/favicon.ico"};
    QTest::newRow("Missing host") << "https:///register" << QStringList{};
    QTest::newRow("URL with path") << "https://keepassxc.org/register/here/"
                                   << QStringList{"https://keepassxc.org/register/here/favicon.ico", keepassxc_favicon};
    QTest::newRow("URL with path and query")
        << "https://keepassxc.org/register/here?login=me"
        << QStringList{"https://keepassxc.org/register/favicon.ico", keepassxc_favicon};
    QTest::newRow("URL with port") << "https://keepassxc.org:8080"
                                   << QStringList{"https://keepassxc.org:8080/favicon.ico"};
    QTest::newRow("2nd level domain") << "https://login.keepassxc.org"
                                      << QStringList{"https://login.keepassxc.org/favicon.ico", keepassxc_favicon};
    QTest::newRow("2nd level domain with additional fields")
        << "https://user:password@login.keepassxc.org:2021?test#1"
        << QStringList{"https://user:password@login.keepassxc.org:2021/favicon.ico",
                       "https://user:password@keepassxc.org:2021/favicon.ico",
                       keepassxc_favicon};
    QTest::newRow("2nd level domain (.co.uk special case), with subdomain")
        << "https://login.keepassxc.co.uk"
        << QStringList{"https://login.keepassxc.co.uk/favicon.ico", "https://keepassxc.co.uk/favicon.ico"};
    QTest::newRow("2nd level domain .co.uk special case")
        << "https://keepassxc.co.uk" << QStringList{"https://keepassxc.co.uk/favicon.ico"};
    QTest::newRow("2nd level domain with several subdomains")
        << "https://de.login.keepassxc.org"
        << QStringList{"https://de.login.keepassxc.org/favicon.ico", keepassxc_favicon};
    QTest::newRow("Raw IP with schema") << "https://134.130.155.184"
                                        << QStringList{"https://134.130.155.184/favicon.ico"};
    QTest::newRow("Raw IP") << "134.130.155.184" << QStringList{"https://134.130.155.184/favicon.ico"};
    QTest::newRow("Raw IP with schema and path")
        << "https://134.130.155.184/with/path/"
        << QStringList{"https://134.130.155.184/with/path/favicon.ico", "https://134.130.155.184/favicon.ico"};
    QTest::newRow("Raw IP with schema (https), path, and port")
        << "https://134.130.155.184:8080/test/"
        << QStringList{"https://134.130.155.184:8080/test/favicon.ico", "https://134.130.155.184:8080/favicon.ico"};
    QTest::newRow("Raw IP with schema (http), path, and port")
        << "134.130.155.184:8080/test/"
        << QStringList{"https://134.130.155.184:8080/test/favicon.ico", "https://134.130.155.184:8080/favicon.ico"};
    QTest::newRow("URL with username and password")
        << "https://user:password@keepassxc.org" << QStringList{"https://user:password@keepassxc.org/favicon.ico"};
    QTest::newRow("URL with username and password, several subdomains")
        << "https://user:password@de.login.keepassxc.org"
        << QStringList{"https://user:password@de.login.keepassxc.org/favicon.ico",
                       "https://user:password@keepassxc.org/favicon.ico",
                       "https://keepassxc.org/favicon.ico"};
    QTest::newRow("Raw IP with username and password")
        << "https://user:password@134.130.155.184" << QStringList{"https://user:password@134.130.155.184/favicon.ico"};
    QTest::newRow("Relative path should be preserved")
        << "https://test.com/rel-path/"
        << QStringList{"https://test.com/rel-path/favicon.ico", "https://test.com/favicon.ico"};
}