#include <QDebug>

#include <QGuiApplication>

#include <QLibrary>

#include <QQmlApplicationEngine>

#include "engine_interface.h"

#include "hwengine.h"

namespace Engine {

protocol_version_t* protocol_version;

start_engine_t* start_engine;

generate_preview_t* generate_preview;

cleanup_t* cleanup;

send_ipc_t* send_ipc;

read_ipc_t* read_ipc;

setup_current_gl_context_t* setup_current_gl_context;

render_frame_t* render_frame;

advance_simulation_t* advance_simulation;

};  // namespace Engine

void loadEngineLibrary() {

#ifdef Q_OS_WIN

  QLibrary hwlib("./libhedgewars_engine.dll");

#else

  QLibrary hwlib("./libhedgewars_engine.so");

#endif

  if (!hwlib.load())

    qWarning() << "Engine library not found" << hwlib.errorString();

  Engine::protocol_version = reinterpret_cast<Engine::protocol_version_t*>(

      hwlib.resolve("protocol_version"));

  Engine::start_engine =

      reinterpret_cast<Engine::start_engine_t*>(hwlib.resolve("start_engine"));

  Engine::generate_preview = reinterpret_cast<Engine::generate_preview_t*>(

      hwlib.resolve("generate_preview"));

  Engine::cleanup =

      reinterpret_cast<Engine::cleanup_t*>(hwlib.resolve("cleanup"));

  Engine::send_ipc =

      reinterpret_cast<Engine::send_ipc_t*>(hwlib.resolve("send_ipc"));

  Engine::read_ipc =

      reinterpret_cast<Engine::read_ipc_t*>(hwlib.resolve("read_ipc"));

  Engine::setup_current_gl_context =

      reinterpret_cast<Engine::setup_current_gl_context_t*>(

          hwlib.resolve("setup_current_gl_context"));

  Engine::render_frame =

      reinterpret_cast<Engine::render_frame_t*>(hwlib.resolve("render_frame"));

  Engine::advance_simulation = reinterpret_cast<Engine::advance_simulation_t*>(

      hwlib.resolve("advance_simulation"));

  if (Engine::protocol_version)

    qDebug() << "Loaded engine library with protocol version"

             << Engine::protocol_version();

}

int main(int argc, char* argv[]) {

  QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);

  QGuiApplication app(argc, argv);

  loadEngineLibrary();

  QQmlApplicationEngine engine;

  HWEngine::exposeToQML();

  engine.load(QUrl(QLatin1String("qrc:/main.qml")));

  if (engine.rootObjects().isEmpty()) return -1;

  return app.exec();

}