/*
 *    This software is in the public domain, furnished "as is", without technical
 *       support, and with no warranty, express or implied, as to its usefulness for
 *          any purpose.
 *          */

#include "common/ownsql.h"
#include "testutils.h"

#include <QtTest>

#include <sqlite3.h>

using namespace OCC;

class TestOwnSql : public QObject
{
    Q_OBJECT
    const QTemporaryDir _tempDir = TestUtils::createTempDir();

private Q_SLOTS:
    void testOpenDb() {
        QFileInfo fi(_tempDir.path() + QStringLiteral("/testdb.sqlite"));
        QVERIFY( !fi.exists() ); // must not exist
        _db.openOrCreateReadWrite(fi.filePath());
        fi.refresh();
        QVERIFY(fi.exists());
    }

    void testCreate() {
        const char *sql = "CREATE TABLE addresses ( id INTEGER, name VARCHAR(4096), "
                "address VARCHAR(4096), entered INTEGER(8), PRIMARY KEY(id));";

        SqlQuery q(_db);
        q.prepare(sql);
        QVERIFY(q.exec());
    }

    void testIsSelect() {
        SqlQuery q(_db);
        q.prepare("SELECT id FROM addresses;");
        QVERIFY( q.isSelect() );

        q.prepare("UPDATE addresses SET id = 1;");
        QVERIFY( !q.isSelect());
    }

    void testInsert() {
        const char *sql = "INSERT INTO addresses (id, name, address, entered) VALUES "
                "(1, 'Gonzo Alberto', 'Moriabata 24, Palermo', 1403100844);";
        SqlQuery q(_db);
        q.prepare(sql);
        QVERIFY(q.exec());
    }

    void testInsert2() {
        const char *sql = "INSERT INTO addresses (id, name, address, entered) VALUES "
                "(?1, ?2, ?3, ?4);";
        SqlQuery q(_db);
        q.prepare(sql);
        q.bindValue(1, 2);
        q.bindValue(2, QStringLiteral("Brucely Lafayette"));
        q.bindValue(3, QStringLiteral("Nurderway5, New York"));
        q.bindValue(4, 1403101224);
        QVERIFY(q.exec());
    }

    void testSelect() {
        const char *sql = "SELECT * FROM addresses;";

        SqlQuery q(_db);
        q.prepare(sql);

        q.exec();
        while( q.next().hasData ) {
            qDebug() << u"Name: " << q.stringValue(1);
            qDebug() << u"Address: " << q.stringValue(2);
        }
    }

    void testSelect2() {
        const char *sql = "SELECT * FROM addresses WHERE id=?1";
        SqlQuery q(_db);
        q.prepare(sql);
        q.bindValue(1, 2);
        q.exec();
        if( q.next().hasData ) {
            qDebug() << u"Name:" << q.stringValue(1);
            qDebug() << u"Address:" << q.stringValue(2);
        }
    }

    void testPragma() {
        const char *sql = "PRAGMA table_info(addresses)";

        SqlQuery q(_db);
        int rc = q.prepare(sql);
        qDebug() << u"Pragma:" << rc;
        q.exec();
        if( q.next().hasData ) {
            qDebug() << u"P:" << q.stringValue(1);
        }
    }

    void testUnicode() {
        const char *sql = "INSERT INTO addresses (id, name, address, entered) VALUES "
                "(?1, ?2, ?3, ?4);";
        SqlQuery q(_db);
        q.prepare(sql);
        q.bindValue(1, 3);
        q.bindValue(2, QStringLiteral("пятницы"));
        q.bindValue(3, QStringLiteral("проспект"));
        q.bindValue(4, 1403002224);
        QVERIFY(q.exec());
    }

    void testReadUnicode() {
        const char *sql = "SELECT * FROM addresses WHERE id=3;";
        SqlQuery q(_db);
        q.prepare(sql);

        if(q.next().hasData) {
            QString name = q.stringValue(1);
            QString address = q.stringValue(2);
            QVERIFY( name == QString::fromUtf8("пятницы") );
            QVERIFY( address == QString::fromUtf8("проспект"));
        }
    }

    void testDestructor()
    {
        // This test make sure that the destructor of SqlQuery works even if the SqlDatabase
        // is destroyed before
        QScopedPointer<SqlDatabase> db(new SqlDatabase());
        SqlQuery q1(_db);
        SqlQuery q2(_db);
        q2.prepare("SELECT * FROM addresses");
        SqlQuery q3("SELECT * FROM addresses", _db);
        SqlQuery q4;
        db.reset();
    }

private:
    SqlDatabase _db;
};

QTEST_GUILESS_MAIN(TestOwnSql)
#include "testownsql.moc"