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#include <QtCore/QDir>

#include <QtCore/QDebug>

#include <QtCore/QFile>

#include <QtCore/QByteArray>

#include <QtTest/QtTest>

class tst_lrelease : public QObject

{

    Q_OBJECT

public:

    tst_lrelease() : binDir(QLibraryInfo::location(QLibraryInfo::BinariesPath)) {}

private:

private slots:

    void translate();

    void mixedcodecs();

    void compressed();

    void idbased();

    void markuntranslated();

    void dupes();

private:

    void doCompare(const QStringList &actual, const QString &expectedFn);

    QString binDir;

};

void tst_lrelease::doCompare(const QStringList &actual, const QString &expectedFn)

{

    QFile file(expectedFn);

    QVERIFY(file.open(QIODevice::ReadOnly | QIODevice::Text));

    QStringList expected = QString(file.readAll()).trimmed().split('\n');

    int i = 0, ei = expected.size(), gi = actual.size();

    for (; ; i++) {

        if (i == gi) {

            if (i == ei)

                return;

            gi = 0;

            break;

        } else if (i == ei) {

            ei = 0;

            break;

        } else if (!QRegExp(expected.at(i)).exactMatch(actual.at(i))) {

            while ((ei - 1) >= i && (gi - 1) >= i &&

                     (QRegExp(expected.at(ei - 1)).exactMatch(actual.at(gi - 1))))

                ei--, gi--;

            break;

        }

    }

    QByteArray diff;

    for (int j = qMax(0, i - 3); j < i; j++)

        diff += expected.at(j) + '\n';

    diff += "<<<<<<< got\n";

    for (int j = i; j < gi; j++) {

        diff += actual.at(j) + '\n';

        if (j >= i + 5) {

            diff += "...\n";

            break;

        }

    }

    diff += "=========\n";

    for (int j = i; j < ei; j++) {

        diff += expected.at(j) + '\n';

        if (j >= i + 5) {

            diff += "...\n";

            break;

        }

    }

    diff += ">>>>>>> expected\n";

    for (int j = ei; j < qMin(ei + 3, expected.size()); j++)

        diff += expected.at(j) + '\n';

    QFAIL(qPrintable("Output for " + expectedFn + " does not meet expectations:\n" + diff));

}

void tst_lrelease::translate()

{

    QVERIFY(!QProcess::execute(binDir + "/lrelease testdata/translate.ts"));

    QTranslator translator;

    QVERIFY(translator.load("testdata/translate.qm"));

    qApp->installTranslator(&translator);

    QCOMPARE(QObject::tr("\nnewline at the start"), QString("\nNEWLINE AT THE START"));

    QCOMPARE(QObject::tr("newline at the end\n"),   QString("NEWLINE AT THE END\n"));

    QCOMPARE(QObject::tr("newline and space at the end\n "),   QString("NEWLINE AND SPACE AT THE END\n "));

    QCOMPARE(QObject::tr("space and newline at the end \n"),   QString("SPACE AND NEWLINE AT THE END \n"));

    QCOMPARE(QObject::tr("\ttab at the start and newline at the end\n"),   QString("\tTAB AT THE START AND NEWLINE AT THE END\n"));

    QCOMPARE(QObject::tr("\n\tnewline and tab at the start"), QString("\n\tNEWLINE AND TAB AT THE START"));

    QCOMPARE(QObject::tr(" \tspace and tab at the start"), QString(" \tSPACE AND TAB AT THE START"));

    QCOMPARE(QObject::tr(" string that does not exist"), QString(" string that does not exist"));

    QCOMPARE(QCoreApplication::translate("CubeForm", "Test"), QString::fromAscii("BBBB"));

    QCOMPARE(QCoreApplication::translate("", "Test", "Empty context"), QString("AAAA"));

    // Test plurals

    QString txed = QCoreApplication::translate("Plurals", "There are %n houses", 0, QCoreApplication::UnicodeUTF8, 0);

    QCOMPARE(QString::fromAscii("[%1]").arg(txed), QString("[There are 0 houses]"));

    QCOMPARE(QCoreApplication::translate("Plurals", "There are %n houses", 0, QCoreApplication::UnicodeUTF8, 1), QString("There is 1 house"));

    QCOMPARE(QCoreApplication::translate("Plurals", "There are %n houses", 0, QCoreApplication::UnicodeUTF8, 2), QString("There are 2 houses"));

    QCOMPARE(QCoreApplication::translate("Plurals", "There are %n houses", 0, QCoreApplication::UnicodeUTF8, 3), QString("There are 3 houses"));

    // More plurals

    QCOMPARE(tr("There are %n cars", "More Plurals", 0) , QString("There are 0 cars"));

    QCOMPARE(tr("There are %n cars", "More Plurals", 1) , QString("There is 1 car"));

    QCOMPARE(tr("There are %n cars", "More Plurals", 2) , QString("There are 2 cars"));

    QCOMPARE(tr("There are %n cars", "More Plurals", 3) , QString("There are 3 cars"));

    QCOMPARE(QCoreApplication::translate("no_en", "Kj\370r K\345re, kj\346re"), QString::fromAscii("Drive K\345re, dear"));

    QCOMPARE(QCoreApplication::translate("en_no", "Drive K\345re, dear"), QString::fromAscii("Kj\370r K\345re, kj\346re"));

    QCOMPARE(QCoreApplication::translate("en_ch", "Chinese symbol:"), QString::fromAscii("Chinese symbol:%1").arg(QChar(0x7c1f)));

//    printf("halo\r\nhallo");

  //  QCOMPARE(tr("This\r\nwill fail"), QString("THIS\nWILL FAIL"));    // \r\n =  0d 0a

    QCOMPARE(tr("Completely random string"),

             QString::fromLatin1("Super-lange Uebersetzung mit Schikanen\x9c"

                                 "Mittlere Uebersetung\x9c"

                                 "Kurze Uebers."));

    qApp->removeTranslator(&translator);

}

void tst_lrelease::mixedcodecs()

{

    QVERIFY(!QProcess::execute(binDir + "/lrelease testdata/mixedcodecs-ts11.ts"));

    QVERIFY(!QProcess::execute(binDir + "/lrelease testdata/mixedcodecs-ts20.ts"));

    QVERIFY(!QProcess::execute("cmp testdata/mixedcodecs-ts11.qm testdata/mixedcodecs-ts20.qm"));

    QTranslator translator;

    QVERIFY(translator.load("testdata/mixedcodecs-ts11.qm"));

    qApp->installTranslator(&translator);

    QCOMPARE(QCoreApplication::translate("FooBar", "this contains an umlaut \xfc ü"),

             QString::fromAscii("random stuff with umlaut"));

    QCOMPARE(QCoreApplication::translate("FooBar", "umlaut \xc3\xbc ü in utf8"),

             QString::fromAscii("more random stuff with umlaut"));

}

void tst_lrelease::compressed()

{

    QVERIFY(!QProcess::execute(binDir + "/lrelease -compress testdata/compressed.ts"));

    QTranslator translator;

    QVERIFY(translator.load("testdata/compressed.qm"));

    qApp->installTranslator(&translator);

    QCOMPARE(QCoreApplication::translate("Context1", "Foo"), QString::fromAscii("in first context"));

    QCOMPARE(QCoreApplication::translate("Context2", "Bar"), QString::fromAscii("in second context"));

    QCOMPARE(QCoreApplication::translate("Action1", "Component Name"), QString::fromAscii("translation in first context"));

    QCOMPARE(QCoreApplication::translate("Action2", "Component Name"), QString::fromAscii("translation in second context"));

    QCOMPARE(QCoreApplication::translate("Action3", "Component Name"), QString::fromAscii("translation in third context"));

}

void tst_lrelease::idbased()

{

    QVERIFY(!QProcess::execute(binDir + "/lrelease -idbased testdata/idbased.ts"));

    QTranslator translator;

    QVERIFY(translator.load("testdata/idbased.qm"));

    qApp->installTranslator(&translator);

    QCOMPARE(qtTrId("test_id"), QString::fromAscii("This is a test string."));

    QCOMPARE(qtTrId("untranslated_id"), QString::fromAscii("This has no translation."));

}

void tst_lrelease::markuntranslated()

{

    QVERIFY(!QProcess::execute(binDir + "/lrelease -markuntranslated # -idbased testdata/idbased.ts"));

    QTranslator translator;

    QVERIFY(translator.load("testdata/idbased.qm"));

    qApp->installTranslator(&translator);

    QCOMPARE(qtTrId("test_id"), QString::fromAscii("This is a test string."));

    QCOMPARE(qtTrId("untranslated_id"), QString::fromAscii("#This has no translation."));

}

void tst_lrelease::dupes()

{

    QProcess proc;

    proc.start(binDir + "/lrelease testdata/dupes.ts", QIODevice::ReadWrite | QIODevice::Text);

    QVERIFY(proc.waitForFinished());

    QVERIFY(proc.exitStatus() == QProcess::NormalExit);

    doCompare(QString(proc.readAllStandardError()).trimmed().split('\n'), "testdata/dupes.errors");

}

QTEST_MAIN(tst_lrelease)

#include "tst_lrelease.moc"