/*
    SPDX-FileCopyrightText: 2007 Bertjan Broeksema <b.broeksema@kdemail.net>

    SPDX-License-Identifier: LGPL-2.0-or-later
*/

#include "plasmoidpackagetest.h"
#include "../src/kpackage/config-package.h"

#include <KJob>
#include <QDir>
#include <QFile>
#include <QSignalSpy>
#include <QStandardPaths>
#include <kzip.h>

#include <QDebug>
#include <QJsonDocument>
#include <QJsonObject>
#include <qtestcase.h>

#include "packagejob.h"
#include "packageloader.h"
#include "private/utils.h"

void PlasmoidPackageTest::initTestCase()
{
    QStandardPaths::setTestModeEnabled(true);
}

void PlasmoidPackageTest::init()
{
    qDebug() << "PlasmoidPackage::init()";
    qRegisterMetaType<KPackage::Package>(); // Needed for signal spy
    m_package = QStringLiteral("Package");
    m_packageRoot = QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation) + "/packageRoot";
    const auto pack = KPackage::PackageLoader::self()->loadPackageStructure("Plasma/TestKPackageInternalPlasmoid");
    QVERIFY(pack);
    m_defaultPackage = KPackage::Package(pack);
    cleanup(); // to prevent previous runs from interfering with this one
}

void PlasmoidPackageTest::cleanup()
{
    qDebug() << "cleaning up";
    // Clean things up.
    QDir(m_packageRoot).removeRecursively();
}

void PlasmoidPackageTest::createTestPackage(const QString &packageName, const QString &version)
{
    qDebug() << "Create test package" << m_packageRoot;
    QDir pRoot(m_packageRoot);
    // Create the root and package dir.
    if (!pRoot.exists()) {
        QVERIFY(QDir().mkpath(m_packageRoot));
    }

    // Create the package dir
    QVERIFY(QDir().mkpath(m_packageRoot + "/" + packageName));
    qDebug() << "Created" << (m_packageRoot + "/" + packageName);

    // Create the metadata.json file
    QFile file(m_packageRoot + "/" + packageName + "/metadata.json");

    QVERIFY(file.open(QIODevice::WriteOnly));

    QJsonObject kplugin;
    kplugin.insert(QLatin1String("Id"), packageName);
    kplugin.insert(QLatin1String("Name"), packageName);
    kplugin.insert(QLatin1String("Version"), version);
    QJsonObject root{{QLatin1String("KPlugin"), kplugin}};

    QTextStream out(&file);
    file.write(QJsonDocument(root).toJson());
    file.flush();
    file.close();

    qDebug() << "OUT: " << packageName;

    // Create the ui dir.
    QVERIFY(QDir().mkpath(m_packageRoot + "/" + packageName + "/contents/ui"));

    // Create the main file.
    file.setFileName(m_packageRoot + "/" + packageName + "/contents/ui/main.qml");
    QVERIFY(file.open(QIODevice::WriteOnly));

    out << "THIS IS A PLASMOID SCRIPT.....";
    file.flush();
    file.close();

    qDebug() << "THIS IS A PLASMOID SCRIPT THING";
    // Now we have a minimal plasmoid package which is valid. Let's add some
    // files to it for test purposes.

    // Create the images dir.
    QVERIFY(QDir().mkpath(m_packageRoot + "/" + packageName + "/contents/images"));
    file.setFileName(m_packageRoot + "/" + packageName + "/contents/images/image-1.svg");

    QVERIFY(file.open(QIODevice::WriteOnly));

    out << "<svg>This is a test image</svg>";
    file.flush();
    file.close();

    file.setFileName(m_packageRoot + "/" + packageName + "/contents/images/image-2.svg");

    QVERIFY(file.open(QIODevice::WriteOnly));

    out.setDevice(&file);
    out << "<svg>This is another test image</svg>";
    file.flush();
    file.close();

    // Create the scripts dir.
    QVERIFY(QDir().mkpath(m_packageRoot + "/" + packageName + "/contents/code"));

    // Create 2 js files
    file.setFileName(m_packageRoot + "/" + packageName + "/contents/code/script.js");
    QVERIFY(file.open(QIODevice::WriteOnly));

    out << "THIS IS A SCRIPT.....";
    file.flush();
    file.close();
}

void PlasmoidPackageTest::isValid()
{
    KPackage::Package p(m_defaultPackage);
    p.setPath(m_packageRoot + '/' + m_package);
#ifndef NDEBUG
    qDebug() << "package path is" << p.path();
#endif

    // A PlasmoidPackage is valid when:
    // - The package root exists.
    // - The package root consists an file named "ui/main.qml"
    QVERIFY(!p.isValid());

    // Create the root and package dir.
    QVERIFY(QDir().mkpath(m_packageRoot));
    QVERIFY(QDir().mkpath(m_packageRoot + "/" + m_package));

    // Should still be invalid.
    p = KPackage::Package(m_defaultPackage);
    p.setPath(m_packageRoot + '/' + m_package);
    QVERIFY(!p.isValid());

    // Create the ui dir.
    QVERIFY(QDir().mkpath(m_packageRoot + "/" + m_package + "/contents/ui"));

    // No main file yet so should still be invalid.
    p = KPackage::Package(m_defaultPackage);
    p.setPath(m_packageRoot + '/' + m_package);
    QVERIFY(!p.isValid());

    // Create the main file.
    QFile file(m_packageRoot + "/" + m_package + "/contents/ui/main.qml");
    QVERIFY(file.open(QIODevice::WriteOnly));

    QTextStream out(&file);
    out << "THIS IS A PLASMOID SCRIPT.....\n";
    file.flush();
    file.close();

    file.setPermissions(QFile::ReadUser | QFile::WriteUser);
    // Main file exists so should be valid now.
    p = KPackage::Package(m_defaultPackage);
    p.setPath(m_packageRoot + '/' + m_package);
    QVERIFY(p.isValid());
    QCOMPARE(p.cryptographicHash(QCryptographicHash::Sha1), QByteArrayLiteral("468c7934dfa635986a85e3364363b1f39d157cd5"));
}

void PlasmoidPackageTest::filePath()
{
    // Package::filePath() returns
    // - {package_root}/{package_name}/path/to/file if the file exists
    // - QString() otherwise.
    KPackage::Package p(m_defaultPackage);
    p.setPath(m_packageRoot + '/' + m_package);

    QCOMPARE(p.filePath("scripts", QStringLiteral("main")), QString());

    QVERIFY(QDir().mkpath(m_packageRoot + "/" + m_package + "/contents/ui/"));
    QFile file(m_packageRoot + "/" + m_package + "/contents/ui/main.qml");
    QVERIFY(file.open(QIODevice::WriteOnly));

    QTextStream out(&file);
    out << "THIS IS A PLASMOID SCRIPT.....";
    file.flush();
    file.close();

    // The package is valid by now so a path for code/main should get returned.
    p = KPackage::Package(m_defaultPackage);
    p.setPath(m_packageRoot + '/' + m_package);

    const QString path = QFileInfo(m_packageRoot + "/" + m_package + "/contents/ui/main.qml").canonicalFilePath();

    // Two ways to get the same info.
    // 1. Give the file type which refers to a class of files (a directory) in
    //    the package structure and the file name.
    // 2. Give the file type which refers to a file in the package structure.
    //
    // NOTE: scripts, main and mainscript are defined in packages.cpp and are
    //       specific for a PlasmoidPackage.
    QCOMPARE(p.filePath("mainscript"), path);
    QCOMPARE(p.filePath("ui", QStringLiteral("main.qml")), path);
}

void PlasmoidPackageTest::entryList()
{
    // Create a package named @p packageName which is valid and has some images.
    createTestPackage(m_package, QStringLiteral("1.1"));

    // Create a package object and verify that it is valid.
    KPackage::Package p(m_defaultPackage);
    p.setPath(m_packageRoot + '/' + m_package);
    QVERIFY(p.isValid());

    // Now we have a valid package that should contain the following files in
    // given filetypes:
    // fileTye - Files
    // scripts - {"script.js"}
    // images - {"image-1.svg", "image-2.svg"}
    QStringList files = p.entryList("scripts");
    QCOMPARE(files.size(), 1);
    QVERIFY(files.contains(QStringLiteral("script.js")));

    files = p.entryList("images");
    QCOMPARE(files.size(), 2);
    QVERIFY(files.contains(QStringLiteral("image-1.svg")));
    QVERIFY(files.contains(QStringLiteral("image-2.svg")));
}

void PlasmoidPackageTest::createAndInstallPackage()
{
    qDebug() << "                   ";
    qDebug() << "   CreateAndInstall ";
    createTestPackage(QStringLiteral("plasmoid_to_package"), QStringLiteral("1.1"));
    const QString packagePath = m_packageRoot + '/' + "testpackage.plasmoid";

    KZip creator(packagePath);
    QVERIFY(creator.open(QIODevice::WriteOnly));
    creator.addLocalDirectory(m_packageRoot + '/' + "plasmoid_to_package", QStringLiteral("."));
    creator.close();
    QDir rootDir(m_packageRoot + "/plasmoid_to_package");
    rootDir.removeRecursively();

    QVERIFY2(QFile::exists(packagePath), qPrintable(packagePath));

    KZip package(packagePath);
    QVERIFY(package.open(QIODevice::ReadOnly));
    const KArchiveDirectory *dir = package.directory();
    QVERIFY(dir); //
    QVERIFY(dir->entry(QStringLiteral("metadata.json")));
    const KArchiveEntry *contentsEntry = dir->entry(QStringLiteral("contents"));
    QVERIFY(contentsEntry);
    QVERIFY(contentsEntry->isDirectory());
    const KArchiveDirectory *contents = static_cast<const KArchiveDirectory *>(contentsEntry);
    QVERIFY(contents->entry(QStringLiteral("ui")));
    QVERIFY(contents->entry(QStringLiteral("images")));

    KPackage::PackageLoader::self()->addKnownPackageStructure(m_defaultPackageStructure, new KPackage::PackageStructure(this));
    KPackage::Package p;
    qDebug() << "Installing " << packagePath;
    auto job = KPackage::PackageJob::install(m_defaultPackageStructure, packagePath, m_packageRoot);
    connect(job, &KJob::finished, this, [&p, job]() { // clazy:exclude=lambda-in-connect
        p = job->package();
    });
    QSignalSpy spy(job, &KJob::finished);
    QVERIFY(spy.wait(1000));

    // is the package instance usable (ie proper path) after the install job has been completed?
    QCOMPARE(p.path(), QString(QDir(m_packageRoot % "/plasmoid_to_package").canonicalPath() + QLatin1Char('/')));
    cleanupPackage(QStringLiteral("plasmoid_to_package"));
}

void PlasmoidPackageTest::createAndUpdatePackage()
{
    // does the version number parsing work?
    QVERIFY(isVersionNewer(QStringLiteral("1.1"), QStringLiteral("1.1.1")));
    QVERIFY(!isVersionNewer(QStringLiteral("1.1.1"), QStringLiteral("1.1")));
    QVERIFY(isVersionNewer(QStringLiteral("1.1.1"), QStringLiteral("1.1.2")));
    QVERIFY(isVersionNewer(QStringLiteral("1.1.2"), QStringLiteral("2.1")));
    QVERIFY(isVersionNewer(QStringLiteral("0.1.2"), QStringLiteral("2")));
    QVERIFY(!isVersionNewer(QStringLiteral("1"), QStringLiteral("0.1.2")));

    qDebug() << "                   ";
    qDebug() << "   CreateAndUpdate ";
    createTestPackage(QStringLiteral("plasmoid_to_package"), QStringLiteral("1.1"));
    const QString packagePath = m_packageRoot + '/' + "testpackage.plasmoid";

    KZip creator(packagePath);
    QVERIFY(creator.open(QIODevice::WriteOnly));
    creator.addLocalDirectory(m_packageRoot + '/' + "plasmoid_to_package", QStringLiteral("."));
    creator.close();
    QDir rootDir(m_packageRoot + "/plasmoid_to_package");
    rootDir.removeRecursively();

    QVERIFY(QFile::exists(packagePath));

    KZip package(packagePath);
    QVERIFY(package.open(QIODevice::ReadOnly));
    const KArchiveDirectory *dir = package.directory();
    QVERIFY(dir); //
    QVERIFY(dir->entry(QStringLiteral("metadata.json")));
    const KArchiveEntry *contentsEntry = dir->entry(QStringLiteral("contents"));
    QVERIFY(contentsEntry);
    QVERIFY(contentsEntry->isDirectory());
    const KArchiveDirectory *contents = static_cast<const KArchiveDirectory *>(contentsEntry);
    QVERIFY(contents->entry(QStringLiteral("ui")));
    QVERIFY(contents->entry(QStringLiteral("images")));

    qDebug() << "Installing " << packagePath;

    KJob *job = KPackage::PackageJob::update(m_defaultPackageStructure, packagePath, m_packageRoot);
    connect(job, &KJob::finished, [this, job]() {
        packageInstalled(job);
    });
    QSignalSpy spy(job, &KJob::finished);
    QVERIFY(spy.wait(1000));

    // same version, should fail
    job = KPackage::PackageJob::update(m_defaultPackageStructure, packagePath, m_packageRoot);
    QSignalSpy spyFail(job, &KJob::finished);
    QVERIFY(spyFail.wait(1000));
    QVERIFY(job->error() == KPackage::PackageJob::JobError::NewerVersionAlreadyInstalledError);
    qDebug() << job->errorText();

    // create a new package with higher version
    createTestPackage(QStringLiteral("plasmoid_to_package"), QStringLiteral("1.2"));

    KZip creator2(packagePath);
    QVERIFY(creator2.open(QIODevice::WriteOnly));
    creator2.addLocalDirectory(m_packageRoot + '/' + "plasmoid_to_package", QStringLiteral("."));
    creator2.close();
    QDir rootDir2(m_packageRoot + "/plasmoid_to_package");
    rootDir2.removeRecursively();

    KJob *job2 = KPackage::PackageJob::update(m_defaultPackageStructure, packagePath, m_packageRoot);
    connect(job2, &KJob::finished, [this, job2]() {
        packageInstalled(job2);
    });
    QSignalSpy spy2(job2, &KJob::finished);
    QVERIFY(spy2.wait(1000));

    cleanupPackage(QStringLiteral("plasmoid_to_package"));
}

void PlasmoidPackageTest::uncompressPackageWithSubFolder()
{
    KPackage::PackageStructure *structure = new KPackage::PackageStructure;
    KPackage::Package package(structure);
    package.setPath(QFINDTESTDATA("data/customcontent.tar.gz"));

    QCOMPARE(readKPackageType(package.metadata()), "KPackage/CustomContent");
}

void PlasmoidPackageTest::cleanupPackage(const QString &packageName)
{
    KJob *j = KPackage::PackageJob::uninstall(m_defaultPackageStructure, packageName, m_packageRoot);
    connect(j, &KJob::finished, [this, j]() {
        packageUninstalled(j);
    });

    QSignalSpy spy(j, &KJob::finished);
    QVERIFY(spy.wait(1000));
}

void PlasmoidPackageTest::packageInstalled(KJob *j)
{
    QVERIFY2(j->error() == KJob::NoError, qPrintable(j->errorText()));
}

void PlasmoidPackageTest::packageUninstalled(KJob *j)
{
    QVERIFY2(j->error() == KJob::NoError, qPrintable(j->errorText()));
}
void PlasmoidPackageTest::testInstallNonExistentPackageStructure()
{
    const QString packageName = "testpackage";
    createTestPackage(packageName, "1.0");
    auto job = KPackage::PackageJob::install("KPackage/DoesNotExist", packageName, m_packageRoot);
    connect(job, &KJob::result, this, [job]() {
        QVERIFY(!job->package().isValid());
        QCOMPARE(job->error(), KPackage::PackageJob::JobError::InvalidPackageStructure);
        QCOMPARE(job->errorText(), "Could not load package structure KPackage/DoesNotExist");
    });
    QSignalSpy spy(job, &KJob::result);
    QVERIFY(spy.wait(1000));
}

QTEST_MAIN(PlasmoidPackageTest)

#include "moc_plasmoidpackagetest.cpp"