#include <CPUSettings.hpp>
#include <Options.hpp>
#include <ircolib/log.hpp>

CPUSettings::CPUSettings() : settings(QSettings::UserScope) {
    types = new QComboBox();
    idleSkip = new QCheckBox("Idle skipping");
    idleSkip->setToolTip("Whether to enable idle skipping.<br><br>"
                         "Note: idle skipping is a technique used in emulators<br>"
                         "that enables skipping the execution of certain blocks of guest code<br>"
                         "when it's determined that the aforementioned is used to wait on a certain<br>"
                         "event to occur; the code gets skipped, the event is executed immediately by<br>"
                         "the emulator so that the game never actually waits, progressing immediately and making "
                         "emulation much faster.<br><br>"
                         "This feature is not available when the pure interpreter is selected<br>"
                         "because the information regarding instructions would be too limited to<br>"
                         "perform the evaluation described above.");

    idleSkip->setChecked(settings.value("cpu/idle_skip", false).value<bool>());
    v = new QVBoxLayout();
    h = new QHBoxLayout();

    types->addItems({"Interpreter", "Cached Interpreter"});
    if (Options::GetCpuType() == n64::PlainInterpreter) {
        idleSkip->hide();
    } else {
        idleSkip->show();
    }
    types->setCurrentIndex((int)Options::GetCpuType());

    connect(types, &QComboBox::currentIndexChanged, this, [&] {
        int index = types->currentIndex();
        if (index == 0)
            idleSkip->hide();
        else
            idleSkip->show();

        Options::SetCpuType((n64::CPUType)index);
        settings.setValue("cpu/type", (n64::CPUType)index);
        settings.sync();
        emit cpuTypeChanged();
    });

    connect(idleSkip, &QCheckBox::checkStateChanged, this, [&] {
        Options::SetIdleSkip(idleSkip->checkState());
        settings.setValue("cpu/idle_skip", idleSkip->checkState());
        settings.sync();
        emit idleSkipChanged();
    });

    h->addWidget(idleSkip);
    v->addWidget(types);
    v->addLayout(h);
    setLayout(v);
}