#include "qapplication.hpp"

Napi::FunctionReference QApplicationWrap::constructor;

int QApplicationWrap::argc_ = 0;
char **QApplicationWrap::argv_ = NULL;

void SlotHandlerApplication::aboutToQuitSlot()
{
    app->aboutToQuitCallback_.Call({});
}

Napi::Object QApplicationWrap::Init(Napi::Env env, Napi::Object exports)
{
    Napi::HandleScope scope(env);
    // clang-format off
    Napi::Function func = DefineClass(env, "QApplication", {
        InstanceMethod("exec", &QApplicationWrap::exec),
        InstanceMethod("processEvents", &QApplicationWrap::processEvents),
        InstanceMethod("sendPostedEvents", &QApplicationWrap::sendPostedEvents),
        InstanceMethod("quit", &QApplicationWrap::quit),
        InstanceMethod("aboutToQuitEvent", &QApplicationWrap::aboutToQuitEvent)
    });
    // clang-format on

    constructor = Napi::Persistent(func);
    constructor.SuppressDestruct();

    exports.Set("QApplication", func);
    return exports;
}

QApplicationWrap::QApplicationWrap(const Napi::CallbackInfo &info) : Napi::ObjectWrap<QApplicationWrap>(info), slotHandler(this)
{
    Napi::Env env = info.Env();
    Napi::HandleScope scope(env);
    q_ = new QApplication(argc_, argv_);
}

QApplicationWrap::~QApplicationWrap()
{
    q_ = NULL;
}

Napi::Value QApplicationWrap::exec(const Napi::CallbackInfo &info)
{
    q_->exec();
    return Napi::Value();
}

Napi::Value QApplicationWrap::processEvents(const Napi::CallbackInfo &info)
{
    q_->processEvents();
    return Napi::Value();
}

Napi::Value QApplicationWrap::sendPostedEvents(const Napi::CallbackInfo &info)
{
    q_->sendPostedEvents();
    return Napi::Value();
}

Napi::Value QApplicationWrap::quit(const Napi::CallbackInfo &info)
{
    q_->quit();
    return Napi::Value();
}

Napi::Value QApplicationWrap::aboutToQuitEvent(const Napi::CallbackInfo &info)
{
    Napi::Env env = info.Env();
    Napi::HandleScope scope(env);

    aboutToQuitCallback_ = Napi::Persistent(info[0].As<Napi::Function>());
    QObject::connect(q_, SIGNAL(aboutToQuit()), &slotHandler, SLOT(aboutToQuitSlot()));

    return Napi::Value();
}

#include "qapplication.moc"