text: #include "LaunchController.h"
  #include "minecraft/auth/AccountList.h"
  #include "Application.h"
  
  #include "ui/MainWindow.h"
  #include "ui/InstanceWindow.h"
  #include "ui/dialogs/CustomMessageBox.h"
  #include "ui/dialogs/ProfileSelectDialog.h"
  #include "ui/dialogs/ProgressDialog.h"
  #include "ui/dialogs/EditAccountDialog.h"
  #include "ui/dialogs/ProfileSetupDialog.h"
  
  #include <QLineEdit>
  #include <QInputDialog>
  #include <QStringList>
  #include <QHostInfo>
  #include <QList>
  #include <QHostAddress>
  
  #include "BuildConfig.h"
  #include "JavaCommon.h"
  #include "tasks/Task.h"
  #include "minecraft/auth/AccountTask.h"
  #include "launch/steps/TextPrint.h"
  
  LaunchController::LaunchController(QObject *parent) : Task(parent)
  {
  }
  
  void LaunchController::executeTask()
  {
      if (!m_instance)
      {
          emitFailed(tr("No instance specified!"));
          return;
      }
  
      JavaCommon::checkJVMArgs(m_instance->settings()->get("JvmArgs").toString(), m_parentWidget);
  
      login();
  }
  
  void LaunchController::decideAccount()
  {
      if(m_accountToUse) {
          return;
      }
  
      // Find an account to use.
      auto accounts = APPLICATION->accounts();
      if (accounts->count() <= 0)
      {
          // Tell the user they need to log in at least one account in order to play.
          auto reply = CustomMessageBox::selectable(
              m_parentWidget,
              tr("No Accounts"),
              tr("In order to play Minecraft, you must have at least one Mojang or Minecraft "
                 "account logged in."
                 "Would you like to open the account manager to add an account now?"),
              QMessageBox::Information,
              QMessageBox::Yes | QMessageBox::No
          )->exec();
  
          if (reply == QMessageBox::Yes)
          {
              // Open the account manager.
              APPLICATION->ShowGlobalSettings(m_parentWidget, "accounts");
          }
      }
  
      m_accountToUse = accounts->defaultAccount();
      if (!m_accountToUse)
      {
          // If no default account is set, ask the user which one to use.
          ProfileSelectDialog selectDialog(
              tr("Which account would you like to use?"),
              ProfileSelectDialog::GlobalDefaultCheckbox,
              m_parentWidget
          );
  
          selectDialog.exec();
  
          // Launch the instance with the selected account.
          m_accountToUse = selectDialog.selectedAccount();
  
          // If the user said to use the account as default, do that.
          if (selectDialog.useAsGlobalDefault() && m_accountToUse) {
              accounts->setDefaultAccount(m_accountToUse);
          }
      }
  }
  
  
  void LaunchController::login() {
      decideAccount();
  
      // if no account is selected, we bail
      if (!m_accountToUse)
      {
          emitFailed(tr("No account selected for launch."));
          return;
      }
  
      // we try empty password first :)
      QString password;
      // we loop until the user succeeds in logging in or gives up
      bool tryagain = true;
      // the failure. the default failure.
      const QString needLoginAgain = tr("Your account is currently not logged in. Please enter your password to log in again. <br /> <br /> This could be caused by a password change.");
      QString failReason = needLoginAgain;
  
      while (tryagain)
      {
          m_session = std::make_shared<AuthSession>();
          m_session->wants_online = m_online;
          m_accountToUse->fillSession(m_session);
  
          switch(m_accountToUse->accountState()) {
              case AccountState::Offline: {
                  m_session->wants_online = false;
                  // NOTE: fallthrough is intentional
              }
              case AccountState::Online: {
                  if(!m_session->wants_online) {
                      // we ask the user for a player name
                      bool ok = false;
                      QString usedname = m_session->player_name;
                      QString name = QInputDialog::getText(
                          m_parentWidget,
                          tr("Player name"),
                          tr("Choose your offline mode player name."),
                          QLineEdit::Normal,
                          m_session->player_name,
                          &ok
                      );
                      if (!ok)
                      {
                          tryagain = false;
                          break;
                      }
                      if (name.length())
                      {
                          usedname = name;
                      }
                      m_session->MakeOffline(usedname);
                      // offline flavored game from here :3
                  }
                  if(m_accountToUse->ownsMinecraft() && !m_accountToUse->hasProfile()) {
                      auto entitlement = m_accountToUse->accountData()->minecraftEntitlement;
                      QString errorString;
                      if(!entitlement.canPlayMinecraft) {
                          errorString = tr("The account does not own Minecraft. You need to purchase the game first to play it.");
                          QMessageBox::warning(
                              nullptr,
                              tr("Missing Minecraft profile"),
                              errorString,
                              QMessageBox::StandardButton::Ok,
                              QMessageBox::StandardButton::Ok
                          );
                          emitFailed(errorString);
                          return;
                      }
                      // Now handle setting up a profile name here...
                      ProfileSetupDialog dialog(m_accountToUse, m_parentWidget);
                      if (dialog.exec() == QDialog::Accepted)
                      {
                          tryagain = true;
                          continue;
                      }
                      else
                      {
                          emitFailed(tr("Received undetermined session status during login."));
                          return;
                      }
                  }
                  else {
                      launchInstance();
                  }
                  return;
              }
              case AccountState::Errored:
                  // This means some sort of soft error that we can fix with a refresh ... so let's refresh.
              case AccountState::Unchecked: {
                  m_accountToUse->refresh();
                  // NOTE: fallthrough intentional
              }
              case AccountState::Working: {
                  // refresh is in progress, we need to wait for it to finish to proceed.
                  ProgressDialog progDialog(m_parentWidget);
                  if (m_online)
                  {
                      progDialog.setSkipButton(true, tr("Play Offline"));
                  }
                  auto task = m_accountToUse->currentTask();
                  progDialog.execWithTask(task.get());
                  continue;
              }
              // FIXME: this is missing - the meaning is that the account is queued for refresh and we should wait for that
              /*
              case AccountState::Queued: {
                  return;
              }
              */
              case AccountState::Expired: {
                  auto errorString = tr("The account has expired and needs to be logged into manually again.");
                  QMessageBox::warning(
                      m_parentWidget,
                      tr("Account refresh failed"),
                      errorString,
                      QMessageBox::StandardButton::Ok,
                      QMessageBox::StandardButton::Ok
                  );
                  emitFailed(errorString);
                  return;
              }
              case AccountState::Gone: {
                  auto errorString = tr("The account no longer exists on the servers. It may have been migrated, in which case please add the new account you migrated this one to.");
                  QMessageBox::warning(
                      m_parentWidget,
                      tr("Account gone"),
                      errorString,
                      QMessageBox::StandardButton::Ok,
                      QMessageBox::StandardButton::Ok
                  );
                  emitFailed(errorString);
                  return;
              }
          }
      }
      emitFailed(tr("Failed to launch."));
  }
  
  void LaunchController::launchInstance()
  {
      Q_ASSERT_X(m_instance != NULL, "launchInstance", "instance is NULL");
      Q_ASSERT_X(m_session.get() != nullptr, "launchInstance", "session is NULL");
  
      if(!m_instance->reloadSettings())
      {
          QMessageBox::critical(m_parentWidget, tr("Error!"), tr("Couldn't load the instance profile."));
          emitFailed(tr("Couldn't load the instance profile."));
          return;
      }
  
      m_launcher = m_instance->createLaunchTask(m_session, m_serverToJoin);
      if (!m_launcher)
      {
          emitFailed(tr("Couldn't instantiate a launcher."));
          return;
      }
  
      auto console = qobject_cast<InstanceWindow *>(m_parentWidget);
      auto showConsole = m_instance->settings()->get("ShowConsole").toBool();
      if(!console && showConsole)
      {
          APPLICATION->showInstanceWindow(m_instance);
      }
      connect(m_launcher.get(), &LaunchTask::readyForLaunch, this, &LaunchController::readyForLaunch);
      connect(m_launcher.get(), &LaunchTask::succeeded, this, &LaunchController::onSucceeded);
      connect(m_launcher.get(), &LaunchTask::failed, this,  &LaunchController::onFailed);
      connect(m_launcher.get(), &LaunchTask::requestProgress, this, &LaunchController::onProgressRequested);
  
      // Prepend Online and Auth Status
      QString online_mode;
      if(m_session->wants_online) {
          online_mode = "online";
  
          // Prepend Server Status
          QStringList servers = {"authserver.mojang.com", "session.minecraft.net", "textures.minecraft.net", "api.mojang.com"};
          QString resolved_servers = "";
          QHostInfo host_info;
  
          for(QString server : servers) {
              host_info = QHostInfo::fromName(server);
              resolved_servers = resolved_servers + server + " resolves to:\n    [";
              if(!host_info.addresses().isEmpty()) {
                  for(QHostAddress address : host_info.addresses()) {
                      resolved_servers = resolved_servers + address.toString();
                      if(!host_info.addresses().endsWith(address)) {
                          resolved_servers = resolved_servers + ", ";
                      }
                  }
              } else {
                  resolved_servers = resolved_servers + "N/A";
              }
              resolved_servers = resolved_servers + "]\n\n";
          }
          m_launcher->prependStep(new TextPrint(m_launcher.get(), resolved_servers, MessageLevel::Launcher));
      } else {
          online_mode = "offline";
      }
  
      m_launcher->prependStep(new TextPrint(m_launcher.get(), "Launched instance in " + online_mode + " mode\n", MessageLevel::Launcher));
  
      // Prepend Version
      m_launcher->prependStep(new TextPrint(m_launcher.get(), BuildConfig.LAUNCHER_NAME + " version: " + BuildConfig.printableVersionString() + "\n\n", MessageLevel::Launcher));
      m_launcher->start();
  }
  
  void LaunchController::readyForLaunch()
  {
      if (!m_profiler)
      {
          m_launcher->proceed();
          return;
      }
  
      QString error;
      if (!m_profiler->check(&error))
      {
          m_launcher->abort();
          QMessageBox::critical(m_parentWidget, tr("Error!"), tr("Couldn't start profiler: %1").arg(error));
          emitFailed("Profiler startup failed!");
          return;
      }
      BaseProfiler *profilerInstance = m_profiler->createProfiler(m_launcher->instance(), this);
  
      connect(profilerInstance, &BaseProfiler::readyToLaunch, [this](const QString & message)
      {
          QMessageBox msg;
          msg.setText(tr("The game launch is delayed until you press the "
                          "button. This is the right time to setup the profiler, as the "
                          "profiler server is running now.\n\n%1").arg(message));
          msg.setWindowTitle(tr("Waiting."));
          msg.setIcon(QMessageBox::Information);
          msg.addButton(tr("Launch"), QMessageBox::AcceptRole);
          msg.setModal(true);
          msg.exec();
          m_launcher->proceed();
      });
      connect(profilerInstance, &BaseProfiler::abortLaunch, [this](const QString & message)
      {
          QMessageBox msg;
          msg.setText(tr("Couldn't start the profiler: %1").arg(message));
          msg.setWindowTitle(tr("Error"));
          msg.setIcon(QMessageBox::Critical);
          msg.addButton(QMessageBox::Ok);
          msg.setModal(true);
          msg.exec();
          m_launcher->abort();
          emitFailed("Profiler startup failed!");
      });
      profilerInstance->beginProfiling(m_launcher);
  }
  
  void LaunchController::onSucceeded()
  {
      emitSucceeded();
  }
  
  void LaunchController::onFailed(QString reason)
  {
      if(m_instance->settings()->get("ShowConsoleOnError").toBool())
      {
          APPLICATION->showInstanceWindow(m_instance, "console");
      }
      emitFailed(reason);
  }
  
  void LaunchController::onProgressRequested(Task* task)
  {
      ProgressDialog progDialog(m_parentWidget);
      progDialog.setSkipButton(true, tr("Abort"));
      m_launcher->proceed();
      progDialog.execWithTask(task);
  }
  
  bool LaunchController::abort()
  {
      if(!m_launcher)
      {
          return true;
      }
      if(!m_launcher->canAbort())
      {
          return false;
      }
      auto response = CustomMessageBox::selectable(
              m_parentWidget, tr("Kill Minecraft?"),
              tr("This can cause the instance to get corrupted and should only be used if Minecraft "
              "is frozen for some reason"),
              QMessageBox::Question, QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes)->exec();
      if (response == QMessageBox::Yes)
      {
          return m_launcher->abort();
      }
      return false;
  }
  