// Copyright 2023 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later

#ifdef USE_RETRO_ACHIEVEMENTS
#include "DolphinQt/Achievements/AchievementSettingsWidget.h"

#include <QLabel>
#include <QLineEdit>
#include <QString>
#include <QVBoxLayout>

#include "Core/AchievementManager.h"
#include "Core/Config/AchievementSettings.h"
#include "Core/Config/FreeLookSettings.h"
#include "Core/Config/MainSettings.h"
#include "Core/Config/UISettings.h"
#include "Core/Core.h"
#include "Core/Movie.h"
#include "Core/System.h"
#include "UICommon/DiscordPresence.h"

#include "DolphinQt/Config/ControllerInterface/ControllerInterfaceWindow.h"
#include "DolphinQt/Config/ToolTipControls/ToolTipCheckBox.h"
#include "DolphinQt/QtUtils/NonDefaultQPushButton.h"
#include "DolphinQt/QtUtils/SignalBlocking.h"
#include "DolphinQt/Settings.h"

AchievementSettingsWidget::AchievementSettingsWidget(QWidget* parent) : QWidget(parent)
{
  CreateLayout();
  LoadSettings();
  ConnectWidgets();

  connect(&Settings::Instance(), &Settings::ConfigChanged, this,
          &AchievementSettingsWidget::LoadSettings);

  // If hardcore is enabled when the emulator starts, make sure it turns off what it needs to
  if (Config::Get(Config::RA_HARDCORE_ENABLED))
    ToggleHardcore();
}

void AchievementSettingsWidget::UpdateData(int login_failed_code)
{
  if (login_failed_code != RC_OK)
  {
    switch (login_failed_code)
    {
    case RC_INVALID_CREDENTIALS:
      m_common_login_failed->setText(tr("Login Failed - Invalid Username/Password"));
      break;
    case RC_NO_RESPONSE:
      m_common_login_failed->setText(tr("Login Failed - No Internet Connection"));
      break;
    default:
      m_common_login_failed->setText(tr("Login Failed - Server Error"));
      break;
    }
    m_common_login_failed->setVisible(true);
  }
  LoadSettings();
}

void AchievementSettingsWidget::CreateLayout()
{
  m_common_layout = new QVBoxLayout();
  m_common_integration_enabled_input =
      new ToolTipCheckBox(tr("Enable RetroAchievements.org Integration"));
  m_common_integration_enabled_input->SetDescription(
      tr("Enable integration with RetroAchievements for earning achievements and competing in "
         "leaderboards.<br><br>Must log in with a RetroAchievements account to use. Dolphin does "
         "not save your password locally and uses an API token to maintain login."));
  m_common_username_label = new QLabel(tr("Username"));
  m_common_username_input = new QLineEdit(QStringLiteral(""));
  m_common_password_label = new QLabel(tr("Password"));
  m_common_password_input = new QLineEdit(QStringLiteral(""));
  m_common_password_input->setEchoMode(QLineEdit::Password);
  m_common_login_button = new QPushButton(tr("Log In"));
  m_common_logout_button = new QPushButton(tr("Log Out"));
  m_common_login_failed = new QLabel(tr("Login Failed"));
  m_common_login_failed->setStyleSheet(QStringLiteral("QLabel { color : red; }"));
  m_common_login_failed->setVisible(false);
  m_common_hardcore_enabled_input = new ToolTipCheckBox(tr("Enable Hardcore Mode"));
  m_common_hardcore_enabled_input->SetDescription(
      tr("Enable Hardcore Mode on RetroAchievements.<br><br>Hardcore Mode is intended to provide "
         "an experience as close to gaming on the original hardware as possible. RetroAchievements "
         "rankings are primarily oriented towards Hardcore points (Softcore points are tracked but "
         "not as heavily emphasized) and leaderboards require Hardcore Mode to be on.<br><br>To "
         "ensure this experience, the following features will be disabled, as they give emulator "
         "players an advantage over console players:<br>- Loading states<br>-- Saving states is "
         "allowed<br>- Emulator speeds below 100%<br>-- Frame advance is disabled<br>-- Turbo is "
         "allowed<br>- Cheats<br>- Memory patches<br>-- File patches are allowed<br>- Debug "
         "UI<br>- Freelook<br><br><dolphin_emphasis>This cannot be turned on while a game is "
         "playing.</dolphin_emphasis><br>Close your current game before enabling.<br>Be aware that "
         "turning Hardcore Mode off while a game is running requires the game to be closed before "
         "re-enabling."));
  m_common_unofficial_enabled_input = new ToolTipCheckBox(tr("Enable Unofficial Achievements"));
  m_common_unofficial_enabled_input->SetDescription(
      tr("Enable unlocking unofficial achievements as well as official "
         "achievements.<br><br>Unofficial achievements may be optional or unfinished achievements "
         "that have not been deemed official by RetroAchievements and may be useful for testing or "
         "simply for fun.<br><br>Setting takes effect on next game load."));
  m_common_encore_enabled_input = new ToolTipCheckBox(tr("Enable Encore Achievements"));
  m_common_encore_enabled_input->SetDescription(
      tr("Enable unlocking achievements in Encore Mode.<br><br>Encore Mode re-enables achievements "
         "the player has already unlocked on the site so that the player will be notified if they "
         "meet the unlock conditions again, useful for custom speedrun criteria or simply for fun."
         "<br><br>Setting takes effect on next game load."));
  m_common_spectator_enabled_input = new ToolTipCheckBox(tr("Enable Spectator Mode"));
  m_common_spectator_enabled_input->SetDescription(
      tr("Enable unlocking achievements in Spectator Mode.<br><br>While in Spectator Mode, "
         "achievements and leaderboards will be processed and displayed on screen, but will not be "
         "submitted to the server.<br><br>If this is on at game launch, it will not be turned off "
         "until game close, because a RetroAchievements session will not be created.<br><br>If "
         "this is off at game launch, it can be toggled freely while the game is running."));
  m_common_discord_presence_enabled_input = new ToolTipCheckBox(tr("Enable Discord Presence"));
  m_common_discord_presence_enabled_input->SetDescription(
      tr("Use RetroAchievements rich presence in your Discord status.<br><br>Show Current Game on "
         "Discord must be enabled."));
  m_common_progress_enabled_input = new ToolTipCheckBox(tr("Enable Progress Notifications"));
  m_common_progress_enabled_input->SetDescription(
      tr("Enable progress notifications on achievements.<br><br>Displays a brief popup message "
         "whenever the player makes progress on an achievement that tracks an accumulated value, "
         "such as 60 out of 120 stars."));

  m_common_layout->addWidget(m_common_integration_enabled_input);
  m_common_layout->addWidget(m_common_username_label);
  m_common_layout->addWidget(m_common_username_input);
  m_common_layout->addWidget(m_common_password_label);
  m_common_layout->addWidget(m_common_password_input);
  m_common_layout->addWidget(m_common_login_button);
  m_common_layout->addWidget(m_common_logout_button);
  m_common_layout->addWidget(m_common_login_failed);
  // i18n: Settings that affect the functionality of unlocking achievements.
  m_common_layout->addWidget(new QLabel(tr("Function Settings")));
  m_common_layout->addWidget(m_common_hardcore_enabled_input);
  m_common_layout->addWidget(m_common_unofficial_enabled_input);
  m_common_layout->addWidget(m_common_encore_enabled_input);
  m_common_layout->addWidget(m_common_spectator_enabled_input);
  // i18n: Settings that affect how achievements are displayed while playing.
  m_common_layout->addWidget(new QLabel(tr("Display Settings")));
#ifdef USE_DISCORD_PRESENCE
  m_common_layout->addWidget(m_common_discord_presence_enabled_input);
#endif  // USE_DISCORD_PRESENCE
  m_common_layout->addWidget(m_common_progress_enabled_input);

  m_common_layout->setAlignment(Qt::AlignTop);
  setLayout(m_common_layout);
}

void AchievementSettingsWidget::ConnectWidgets()
{
  connect(m_common_integration_enabled_input, &QCheckBox::toggled, this,
          &AchievementSettingsWidget::ToggleRAIntegration);
  connect(m_common_login_button, &QPushButton::clicked, this, &AchievementSettingsWidget::Login);
  connect(m_common_logout_button, &QPushButton::clicked, this, &AchievementSettingsWidget::Logout);
  connect(m_common_hardcore_enabled_input, &QCheckBox::toggled, this,
          &AchievementSettingsWidget::ToggleHardcore);
  connect(m_common_unofficial_enabled_input, &QCheckBox::toggled, this,
          &AchievementSettingsWidget::ToggleUnofficial);
  connect(m_common_encore_enabled_input, &QCheckBox::toggled, this,
          &AchievementSettingsWidget::ToggleEncore);
  connect(m_common_spectator_enabled_input, &QCheckBox::toggled, this,
          &AchievementSettingsWidget::ToggleSpectator);
  connect(m_common_discord_presence_enabled_input, &QCheckBox::toggled, this,
          &AchievementSettingsWidget::ToggleDiscordPresence);
  connect(m_common_progress_enabled_input, &QCheckBox::toggled, this,
          &AchievementSettingsWidget::ToggleProgress);
}

void AchievementSettingsWidget::OnControllerInterfaceConfigure()
{
  ControllerInterfaceWindow* window = new ControllerInterfaceWindow(this);
  window->setAttribute(Qt::WA_DeleteOnClose, true);
  window->setWindowModality(Qt::WindowModality::WindowModal);
  window->show();
}

void AchievementSettingsWidget::LoadSettings()
{
  Core::System& system = Core::System::GetInstance();

  bool enabled = Config::Get(Config::RA_ENABLED);
  bool hardcore_enabled = Config::Get(Config::RA_HARDCORE_ENABLED);
  bool logged_out = Config::Get(Config::RA_API_TOKEN).empty();
  std::string username = Config::Get(Config::RA_USERNAME);

  SignalBlocking(m_common_integration_enabled_input)->setChecked(enabled);
  SignalBlocking(m_common_username_label)->setEnabled(enabled);
  if (!username.empty())
    SignalBlocking(m_common_username_input)->setText(QString::fromStdString(username));
  SignalBlocking(m_common_username_input)->setEnabled(enabled && logged_out);
  SignalBlocking(m_common_password_label)->setVisible(logged_out);
  SignalBlocking(m_common_password_label)->setEnabled(enabled);
  SignalBlocking(m_common_password_input)->setVisible(logged_out);
  SignalBlocking(m_common_password_input)->setEnabled(enabled);
  SignalBlocking(m_common_login_button)->setVisible(logged_out);
  SignalBlocking(m_common_login_button)->setEnabled(enabled && Core::IsUninitialized(system));
  if (!enabled || Core::IsUninitialized(system))
    SignalBlocking(m_common_login_button)->setText(tr("Log In"));
  else
    SignalBlocking(m_common_login_button)->setText(tr("To log in, stop the current emulation."));

  SignalBlocking(m_common_logout_button)->setVisible(!logged_out);
  SignalBlocking(m_common_logout_button)->setEnabled(enabled);

  SignalBlocking(m_common_hardcore_enabled_input)
      ->setChecked(Config::Get(Config::RA_HARDCORE_ENABLED));
  SignalBlocking(m_common_hardcore_enabled_input)
      ->setEnabled(enabled && (hardcore_enabled || (Core::IsUninitialized(system) &&
                                                    !system.GetMovie().IsPlayingInput())));

  SignalBlocking(m_common_unofficial_enabled_input)
      ->setChecked(Config::Get(Config::RA_UNOFFICIAL_ENABLED));
  SignalBlocking(m_common_unofficial_enabled_input)->setEnabled(enabled);

  SignalBlocking(m_common_encore_enabled_input)->setChecked(Config::Get(Config::RA_ENCORE_ENABLED));
  SignalBlocking(m_common_encore_enabled_input)->setEnabled(enabled);

  SignalBlocking(m_common_spectator_enabled_input)
      ->setChecked(Config::Get(Config::RA_SPECTATOR_ENABLED));
  SignalBlocking(m_common_spectator_enabled_input)->setEnabled(enabled);

  SignalBlocking(m_common_discord_presence_enabled_input)
      ->setChecked(Config::Get(Config::RA_DISCORD_PRESENCE_ENABLED));
  SignalBlocking(m_common_discord_presence_enabled_input)
      ->setEnabled(enabled && Config::Get(Config::MAIN_USE_DISCORD_PRESENCE));

  SignalBlocking(m_common_progress_enabled_input)
      ->setChecked(Config::Get(Config::RA_PROGRESS_ENABLED));
  SignalBlocking(m_common_progress_enabled_input)->setEnabled(enabled);
}

void AchievementSettingsWidget::SaveSettings()
{
  Config::ConfigChangeCallbackGuard config_guard;

  Config::SetBaseOrCurrent(Config::RA_ENABLED, m_common_integration_enabled_input->isChecked());
  Config::SetBaseOrCurrent(Config::RA_HARDCORE_ENABLED,
                           m_common_hardcore_enabled_input->isChecked());
  Config::SetBaseOrCurrent(Config::RA_UNOFFICIAL_ENABLED,
                           m_common_unofficial_enabled_input->isChecked());
  Config::SetBaseOrCurrent(Config::RA_ENCORE_ENABLED, m_common_encore_enabled_input->isChecked());
  Config::SetBaseOrCurrent(Config::RA_SPECTATOR_ENABLED,
                           m_common_spectator_enabled_input->isChecked());
  Config::SetBaseOrCurrent(Config::RA_DISCORD_PRESENCE_ENABLED,
                           m_common_discord_presence_enabled_input->isChecked());
  Config::SetBaseOrCurrent(Config::RA_PROGRESS_ENABLED,
                           m_common_progress_enabled_input->isChecked());
  Config::Save();
}

void AchievementSettingsWidget::ToggleRAIntegration()
{
  SaveSettings();

  auto& instance = AchievementManager::GetInstance();
  if (Config::Get(Config::RA_ENABLED))
    instance.Init();
  else
    instance.Shutdown();
  if (Config::Get(Config::RA_HARDCORE_ENABLED))
  {
    emit Settings::Instance().EmulationStateChanged(Core::GetState(Core::System::GetInstance()));
    emit Settings::Instance().HardcoreStateChanged();
  }
}

void AchievementSettingsWidget::Login()
{
  m_common_login_failed->setVisible(false);
  Config::SetBaseOrCurrent(Config::RA_USERNAME, m_common_username_input->text().toStdString());
  AchievementManager::GetInstance().Login(m_common_password_input->text().toStdString());
  m_common_password_input->setText(QString());
  SaveSettings();
}

void AchievementSettingsWidget::Logout()
{
  AchievementManager::GetInstance().Logout();
  SaveSettings();
}

void AchievementSettingsWidget::ToggleHardcore()
{
  SaveSettings();
  AchievementManager::GetInstance().SetHardcoreMode();
  if (Config::Get(Config::RA_HARDCORE_ENABLED))
  {
    if (Config::Get(Config::MAIN_EMULATION_SPEED) < 1.0f)
      Config::SetBaseOrCurrent(Config::MAIN_EMULATION_SPEED, 1.0f);
    Config::SetBaseOrCurrent(Config::FREE_LOOK_ENABLED, false);
    Config::SetBaseOrCurrent(Config::MAIN_ENABLE_CHEATS, false);
    Settings::Instance().SetDebugModeEnabled(false);
  }
  emit Settings::Instance().EmulationStateChanged(Core::GetState(Core::System::GetInstance()));
  emit Settings::Instance().HardcoreStateChanged();
}

void AchievementSettingsWidget::ToggleUnofficial()
{
  SaveSettings();
}

void AchievementSettingsWidget::ToggleEncore()
{
  SaveSettings();
}

void AchievementSettingsWidget::ToggleSpectator()
{
  SaveSettings();
  AchievementManager::GetInstance().SetSpectatorMode();
}

void AchievementSettingsWidget::ToggleDiscordPresence()
{
  SaveSettings();
  Discord::UpdateDiscordPresence();
}

void AchievementSettingsWidget::ToggleProgress()
{
  SaveSettings();
}

#endif  // USE_RETRO_ACHIEVEMENTS