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#include "mandelbrotwidget.h"

#include <QApplication>

#include <QScreen>

#include <QCommandLineParser>
#include <QCommandLineOption>
#include <QDebug>
#include <QRect>

//! [0]
int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

    QCommandLineParser parser;
    parser.setApplicationDescription("Qt Mandelbrot Example");
    parser.addHelpOption();
    parser.addVersionOption();
    QCommandLineOption passesOption("passes", "Number of passes (1-8)", "passes");
    parser.addOption(passesOption);
    parser.process(app);

    if (parser.isSet(passesOption)) {
        const auto passesStr = parser.value(passesOption);
        bool ok;
        const int passes = passesStr.toInt(&ok);
        if (!ok || passes < 1 || passes > 8) {
            qWarning() << "Invalid value:" << passesStr;
            return -1;
        }
        RenderThread::setNumPasses(passes);
    }

    MandelbrotWidget widget;
    const auto geometry = widget.screen()->availableGeometry();
    widget.resize((2 * geometry.size()) / 3);
    const auto pos = (geometry.size() - widget.size()) / 2;
    widget.move(geometry.topLeft() + QPoint(pos.width(), pos.height()));

    widget.show();
    return app.exec();
}
//! [0]