#include <my_flutter_app.h>
#include <flutter_linux/flutter_linux.h>
#ifdef GDK_WINDOWING_X11
#include <gdk/gdkx.h>
#endif

#include "flutter/generated_plugin_registrant.h"

struct _MyFlutterApp {
  GtkApplication parent_instance;
  char** dart_entrypoint_arguments;
};

G_DEFINE_TYPE(MyFlutterApp, my_flutter_app, GTK_TYPE_APPLICATION)

// Implements GApplication::activate.
static void my_flutter_app_activate(GApplication* application) {
  MyFlutterApp* self = MY_FLUTTER_APP(application);
  GtkWindow* window =
      GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application)));

  // Use a header bar when running in GNOME as this is the common style used
  // by applications and is the layout most users expect.
  gtk_header_bar_set_show_close_button(GTK_HEADER_BAR(gtk_header_bar_new()),
                                       TRUE);
  gtk_window_set_titlebar(window, GTK_HEADER_BAR(gtk_header_bar_new()));

  gtk_window_set_default_size(window, 1280, 720);
  gtk_widget_show(GTK_WIDGET(window));

  g_autoptr(FlutterDartProject) project = flutter_dart_project_new();
  flutter_dart_project_set_dart_entrypoint_arguments(
      project, self->dart_entrypoint_arguments);

  FlView* view = fl_view_new(project);
  gtk_widget_show(GTK_WIDGET(view));
  gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view));

  fl_register_plugins(FL_PLUGIN_REGISTRY(view));

  gtk_widget_grab_focus(GTK_WIDGET(view));
}

// Implements GApplication::local_command_line.
static gboolean my_flutter_app_local_command_line(GApplication* application,
                                                  gchar*** arguments,
                                                  int* exit_status) {
  MyFlutterApp* self = MY_FLUTTER_APP(application);
  // Strip out the first argument as it is the binary name.
  self->dart_entrypoint_arguments = *arguments + 1;

  g_autoptr(GError) error = nullptr;
  if (!g_application_register(application, nullptr, &error)) {
    g_warning("Failed to register: %s", error->message);
    *exit_status = 1;
    return TRUE;
  }

  g_application_activate(application);
  *exit_status = 0;

  return TRUE;
}

// Implements GObject::dispose.
static void my_flutter_app_dispose(GObject* object) {
  G_OBJECT_CLASS(my_flutter_app_parent_class)->dispose(object);
}

static void my_flutter_app_class_init(MyFlutterAppClass* klass) {
  G_APPLICATION_CLASS(klass)->activate = my_flutter_app_activate;
  G_APPLICATION_CLASS(klass)->local_command_line =
      my_flutter_app_local_command_line;
  G_OBJECT_CLASS(klass)->dispose = my_flutter_app_dispose;
}

static void my_flutter_app_init(MyFlutterApp* self) {}

MyFlutterApp* my_flutter_app_new() {
  return MY_FLUTTER_APP(g_object_new(my_flutter_app_get_type(),
                                     "application-id", APPLICATION_ID,
                                     "flags", G_APPLICATION_NON_UNIQUE,
                                     nullptr));
}

int main(int argc, char** argv) {
  g_autoptr(MyFlutterApp) app = my_flutter_app_new();
  return g_application_run(G_APPLICATION(app), argc, argv);
}