/**
 * Copyright (C)  2006  Brad Hards <bradh@frogmouth.net>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <QtCrypto>
#include <QtTest/QtTest>

#include <stdlib.h>

#ifdef Q_OS_WIN
static int setenv(const char *name, const char *value, int overwrite)
{
    int i, iRet;
    char * a;

    if (!overwrite && getenv(name)) return 0;

    i = strlen(name) + strlen(value) + 2;
    a = (char*)malloc(i);
    if (!a) return 1;

    strcpy(a, name);
    strcat(a, "=");
    strcat(a, value);

    iRet = putenv(a);
    free(a);
    return iRet;
}
#endif

class PgpUnitTest : public QObject
{
    Q_OBJECT

private slots:
    void initTestCase();
    void cleanupTestCase();
    void testKeyRing();
private:
    QCA::Initializer* m_init;
};

void PgpUnitTest::initTestCase()
{
    m_init = new QCA::Initializer;
#include "../fixpaths.include"
}

void PgpUnitTest::cleanupTestCase()
{
    delete m_init;
}

void PgpUnitTest::testKeyRing()
{
    // activate the KeyStoreManager and block until ready
    QCA::keyStoreManager()->start();
    QCA::keyStoreManager()->waitForBusyFinished();

    if ( QCA::isSupported( QStringList( QString( "keystorelist" ) ),
                            QString( "qca-gnupg" ) ) )
    {
        QCA::KeyStoreManager *ksm = QCA::keyStoreManager();
        QStringList stores = ksm->keyStores();
        QVERIFY( stores.contains( "qca-gnupg-(gpg)" ) );

        QCA::KeyStore pgpStore( "qca-gnupg-(gpg)" );
        QVERIFY( pgpStore.isValid() );
        QCOMPARE( pgpStore.name(), QString( "GnuPG Keyring" ) );
        QCOMPARE( pgpStore.type(), QCA::KeyStore::PGPKeyring );
        QCOMPARE( pgpStore.id(), QString( "qca-gnupg-(gpg)" ) );
        QEXPECT_FAIL( "", "writing entries isn't yet supported (TODO)", Continue );
        QCOMPARE( pgpStore.isReadOnly(), false );
        QCOMPARE( pgpStore.holdsTrustedCertificates(), false );
        QCOMPARE( pgpStore.holdsIdentities(), true );
        QCOMPARE( pgpStore.holdsPGPPublicKeys(), true );


#ifdef __GNUC__
#warning using setenv is dubious in terms of portability
#endif
        QByteArray oldGNUPGHOME = qgetenv( "GNUPGHOME" );
        // We test a small keyring - I downloaded a publically available one from
        // the Amsterdam Internet Exchange.
        if ( 0 == setenv( "GNUPGHOME",  "./keys1", 1 ) )
        {
            QList<QCA::KeyStoreEntry> keylist = pgpStore.entryList();
            QCOMPARE( keylist.count(), 6 );
            QStringList nameList;
            foreach( const QCA::KeyStoreEntry key,  keylist ) {
                QCOMPARE( key.isNull(), false );
                QCOMPARE( key.type(),  QCA::KeyStoreEntry::TypePGPPublicKey );
                QCOMPARE( key.id().length(),  16 ); // 16 hex digits
                QVERIFY( key.keyBundle().isNull() );
                QVERIFY( key.certificate().isNull() );
                QVERIFY( key.crl().isNull() );
                QVERIFY( key.pgpSecretKey().isNull() );
                QCOMPARE( key.pgpPublicKey().isNull(), false );

                // We accumulate the names, and check them next
                nameList << key.name();
            }
            QVERIFY( nameList.contains( "Steven Bakker <steven.bakker@ams-ix.net>" ) );
            QVERIFY( nameList.contains( "Romeo Zwart <rz@ams-ix.net>" ) );
            QVERIFY( nameList.contains( "Arien Vijn <arien.vijn@ams-ix.net>" ) );
            QVERIFY( nameList.contains( "Niels Bakker <niels.bakker@ams-ix.net>" ) );
            QVERIFY( nameList.contains( "Henk Steenman <Henk.Steenman@ams-ix.net>" ) );
            QVERIFY( nameList.contains( "Geert Nijpels <geert.nijpels@ams-ix.net>" ) );

            // TODO: We should test removeEntry() and writeEntry() here.
        } else {
            QFAIL( "Expected to be able to set the GNUPGHOME environment variable, but couldn't" );
        }

        // We now test an empty keyring
        if ( 0 == setenv( "GNUPGHOME",  "./keys2", 1 ) )
        {
            QList<QCA::KeyStoreEntry> keylist = pgpStore.entryList();
            QCOMPARE( keylist.count(), 0 );
            // TODO: We should test removeEntry() and writeEntry() here.
        } else {
            QFAIL( "Expected to be able to set the GNUPGHOME environment variable, but couldn't" );
        }

        if ( false == oldGNUPGHOME.isNull() )
        {
            setenv( "GNUPGHOME",  oldGNUPGHOME.data(), 1 );
        }
    }

}
QTEST_MAIN(PgpUnitTest)

#include "pgpunittest.moc"