// Copyright 2017 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later

#include "DolphinQt/Config/Graphics/GraphicsPane.h"

#include <QDialogButtonBox>
#include <QEvent>
#include <QGroupBox>
#include <QLabel>
#include <QTabWidget>
#include <QVBoxLayout>

#include "Common/Config/Config.h"
#include "Core/Config/MainSettings.h"

#include "DolphinQt/Config/Graphics/AdvancedWidget.h"
#include "DolphinQt/Config/Graphics/EnhancementsWidget.h"
#include "DolphinQt/Config/Graphics/GeneralWidget.h"
#include "DolphinQt/Config/Graphics/HacksWidget.h"
#include "DolphinQt/MainWindow.h"
#include "DolphinQt/QtUtils/QtUtils.h"
#include "DolphinQt/QtUtils/WrapInScrollArea.h"

#include "VideoCommon/VideoBackendBase.h"

GraphicsPane::GraphicsPane(MainWindow* main_window, Config::Layer* config_layer)
    : m_main_window(main_window), m_config_layer{config_layer}
{
  CreateMainLayout();

  OnBackendChanged(QString::fromStdString(Config::Get(Config::MAIN_GFX_BACKEND)));
}

Config::Layer* GraphicsPane::GetConfigLayer()
{
  return m_config_layer;
}

void GraphicsPane::CreateMainLayout()
{
  auto* const main_layout = new QVBoxLayout{this};
  auto* const tab_widget = new QTabWidget;

  main_layout->addWidget(tab_widget);

  auto* const general_widget = new GeneralWidget(this);
  auto* const enhancements_widget = new EnhancementsWidget(this);
  auto* const hacks_widget = new HacksWidget(this);
  auto* const advanced_widget = new AdvancedWidget(this);

  connect(general_widget, &GeneralWidget::BackendChanged, this, &GraphicsPane::OnBackendChanged);

  QWidget* const wrapped_general = GetWrappedWidget(general_widget);
  QWidget* const wrapped_enhancements = GetWrappedWidget(enhancements_widget);
  QWidget* const wrapped_hacks = GetWrappedWidget(hacks_widget);
  QWidget* const wrapped_advanced = GetWrappedWidget(advanced_widget);

  tab_widget->addTab(wrapped_general, tr("General"));
  tab_widget->addTab(wrapped_enhancements, tr("Enhancements"));
  tab_widget->addTab(wrapped_hacks, tr("Hacks"));
  tab_widget->addTab(wrapped_advanced, tr("Advanced"));
}

void GraphicsPane::OnBackendChanged(const QString& backend_name)
{
  // TODO: Game properties graphics config does not properly handle backend info.
  if (m_main_window != nullptr)
    VideoBackendBase::PopulateBackendInfo(m_main_window->GetWindowSystemInfo());

  emit BackendChanged(backend_name);
}