#include "QtWidgets/QSvgWidget/qsvgwidget_wrap.h"

#include <QWidget>

#include "Extras/Utils/nutils.h"
#include "QtWidgets/QWidget/qwidget_wrap.h"

Napi::FunctionReference QSvgWidgetWrap::constructor;

Napi::Object QSvgWidgetWrap::init(Napi::Env env, Napi::Object exports)
{
    Napi::HandleScope scope(env);
    char CLASSNAME[] = "QSvgWidget";
    Napi::Function func = DefineClass(
        env, CLASSNAME,
        {InstanceMethod("load", &QSvgWidgetWrap::load), QWIDGET_WRAPPED_METHODS_EXPORT_DEFINE(QSvgWidgetWrap)});
    constructor = Napi::Persistent(func);
    exports.Set(CLASSNAME, func);
    QOBJECT_REGISTER_WRAPPER(QSvgWidget, QSvgWidgetWrap);
    return exports;
}

QSvgWidget *QSvgWidgetWrap::getInternalInstance()
{
    return this->instance;
}

QSvgWidgetWrap::~QSvgWidgetWrap()
{
    extrautils::safeDelete(this->instance);
}

QSvgWidgetWrap::QSvgWidgetWrap(const Napi::CallbackInfo &info) : Napi::ObjectWrap<QSvgWidgetWrap>(info)
{
    Napi::Env env = info.Env();
    size_t argCount = info.Length();
    if (argCount == 0)
    {
        // --- Construct a new instance
        this->instance = new NSvgWidget();
    }
    else if (argCount == 1)
    {
        if (info[0].IsExternal())
        {
            // --- Wrap a given C++ instance
            this->instance = info[0].As<Napi::External<QSvgWidget>>().Data();
        }
        else
        {
            // --- Construct a new instance and pass a parent
            Napi::Object parentObject = info[0].As<Napi::Object>();
            NodeWidgetWrap *parentWidgetWrap = Napi::ObjectWrap<NodeWidgetWrap>::Unwrap(parentObject);
            this->instance = new NSvgWidget(parentWidgetWrap->getInternalInstance());
        }
    }
    else
    {
        Napi::TypeError::New(env, "Vixen: QSvgWidgetWrap: Wrong number of arguments to constructor")
            .ThrowAsJavaScriptException();
    }
    this->rawData = extrautils::configureQWidget(this->getInternalInstance(), true);
}

Napi::Value QSvgWidgetWrap::load(const Napi::CallbackInfo &info)
{
    Napi::Env env = info.Env();
    Napi::Value value = info[0];
    std::string napis = value.As<Napi::String>().Utf8Value();
    QString s = QString::fromUtf8(napis.c_str());
    QString svgPrefix = "data:image/svg+xml;base64,";
    if (s.startsWith(svgPrefix))
    {
        QString base64 = s.replace(svgPrefix, QString(""));
        QByteArray svg = QByteArray::fromBase64(s.toUtf8(), QByteArray::Base64Encoding);
        this->instance->load(svg);
    }
    else
    {
        this->instance->load(s);
    }
    return env.Null();
}