#include "KakaoGameV4.h"

/**
 * Perform initialization using the information set in Unreal Editor
 */
FKGTApplication::InitSDK();

#include "KakaoGameV4.h"

FKGTApplication::Start(FKGTResultDelegate::CreateLambda([=](FKGTResult result)
{
  if (result.IsSuccess())
  {
    // If the start is successful
    
    // Check if auto-login is enabled
    bool isLoggedIn = FKGTPlayer::IsLoggedIn();
    
    if (isLoggedIn)
    {
      // The current Player's ID issued by the platform
      FString playerId = FKGTPlayer::GetCurrentPlayer().GetPlayerId();

      // Platform access token
      FString accessToken = FKGTPlayer::GetAccessToken();

      // Retrieve the current IDP authentication information
      FKGTIdpProfile idpProfile = FKGTPlayer::GetCurrentPlayer().GetIdpProfile();

      // [TODO] Move to the game screen.
    }
    else
    {
      // [TODO] If auto-login is not enabled, move to the login screen.
    }
  }
  else
  {
    // If the start fails - since initialization failed, retry the start or close the app.
    int32 resultCode = result.GetCode();

    if (resultCode == FKGTResultCode::NetworkFailure || resultCode == FKGTResultCode::ServerTimeout || resultCode == FKGTResultCode::ServerConnectionFailed)
    {
      // [TODO] If a network error occurs, notify the user that the start failed due to a network issue and retry.
    }
    else
    {
      // [TODO] If other errors occur, notify the user and request a retry of the start process. If the issue persists, check the error code and logs to determine the cause.
    }
  }
}));

#include "KakaoGameV4.h"

// Called when the game enters a background state (e.g., switching to another app or exiting via the home button).
// Register with ApplicationWillEnterBackgroundDelegate so that SDK Pause can be called.
FCoreDelegates::ApplicationWillEnterBackgroundDelegate.AddUObject(this, &UApplicationWidget::Pause);

FKGTApplication::Pause(FKGTResultDelegate::CreateLambda([=](FKGTResult result) {
  // The result always returns a success (200) response.
}));

#include "KakaoGameV4.h"

// Set whether to use auto-login; if not set, it defaults to not using auto-login
// When auto-login is enabled and login is successful, auto-login information is generated
// If auto-login information exists, auto-login will proceed automatically during the next KGTApplication start, so to remove the auto-login information, you need to log out
bool useAutoLogin = true;
FKGTApplication::SetUseAutoLogin(useAutoLogin);

#include "KakaoGameV4.h"

// The bridgeToken received through the launcher
FString bridgeToken = "";

FKGTPlayer::LoginWithBridgeToken(bridgeToken, FKGTResultDelegate::CreateLambda([=](FKGTResult result)
{
  if (result.IsSuccess())
  {
    // The current Player's ID issued by the platform
    FString playerId = FKGTPlayer::GetCurrentPlayer().GetPlayerId();
    // Platform access token
    FString accessToken = FKGTPlayer::GetAccessToken();
    // Retrieve the current IDP authentication information
    FKGTIdpProfile idpProfile = FKGTPlayer::GetCurrentPlayer().GetIdpProfile();
    // Additional information received through the launcher
    TSharedPtr<FJsonObject> bridgeTokenPayload = FKGTPlayer::GetCurrentPlayer().GetBridgeTokenPayload();
    // [TODO] Log in to the game server and proceed to the game screen
  }
  else
  {
    // Handle login failure.
    // [TODO] If login fails, inform the user and prompt them to retry.
    int32 resultCode = result.GetCode();
    if (resultCode == FKGTResultCode::NetworkFailure || resultCode == FKGTResultCode::ServerTimeout || resultCode == FKGTResultCode::ServerConnectionFailed)
    {
      // [TODO] If a network error occurs, prompt the user to retry logging in.
    }
    else if (resultCode == FKGTResultCode::Forbidden)
    {
      // [TODO] During the CBT period, authentication may not be possible for users who are not allowed. Display a notification to the user, and after clicking confirm, implement the app to exit.
    }
    else if (resultCode == FKGTResultCode::UserCanceled)
    {
      // [TODO] Since the user canceled during the login process, the login screen should be maintained.
    }
    else
    {
      // [TODO] If other errors occur, provide an error notification and prompt the user to retry logging in.
      // It is necessary to check the error code and logs to determine the cause.
    }
  }
}));

#include "KakaoGameV4.h"

// Logout request
FKGTPlayer::Logout(FKGTResultDelegate::CreateLambda([=](FKGTResult result)
{
  if (result.IsSuccess())
  {
    // Logout successful
    // [TODO] Return to the start screen
  }
  else
  {
    // Logout failed
  }
}));

#include "KakaoGameV4.h"

// Unregistration (account deletion) request
FKGTPlayer::Unregister(showUI, FKGTResultDelegate::CreateLambda([=](FKGTResult result)
{
  if (result.IsSuccess())
  {
    // Unregistration successful
    // [TODO] Return to the start screen
  }
  else
  {
    // Unregistration failed
  }
}));

#include "KakaoGameV4.h"

FString geoCountryCode = FKGTSystem::GetGeoCountryCode();

#include "KakaoGameV4.h"

FString deviceModel = FKGTSystem::GetDeviceModel();