#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 - Initialization failed, so you should either 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"

// Called when the game returns to the foreground
// Register with ApplicationHasEnteredForegroundDelegate so that SDK Resume can be called.
FCoreDelegates::ApplicationHasEnteredForegroundDelegate.AddUObject(this, &UApplicationWidget::Resume);

FKGTApplication::Resume(FKGTResultDelegate::CreateLambda([=](FKGTResult result) {
	if (result.IsSuccess())
	{
		// [TODO] If the resume is successful, resume the game screen.
	}
	else
	{
		// [TODO] If the resume fails, if it's an authentication failure, go to the login screen; otherwise, show an error popup and check whether to retry.
		if (result.Code == FKGTResultCode::AuthFailure || result.Code == FKGTResultCode::IdpAuthFailure)
        {
			// [TODO] In case of authentication failure, move to the start screen and perform the new login flow again.
		}
		else
		{
			// [TODO] If other errors occur, provide an error notification and retry the resume. If the issue persists, close the app.
		}
	}
});

#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"

// Set the IdpCode for the login
EKGTIdpCode idpCode = EKGTIdpCode::Kakao;

// Log in with a specific IDP
FKGTPlayer::Login(idpCode, 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();
    
    // [TODO] Since the login was successful, proceed to the game screen.
  }
  else
  {
    // IDP login or platform login failed
    // [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, notify the user that the start failed due to a network issue and prompt to retry.
    }
    else if (resultCode == FKGTResultCode::Forbidden)
    {
      // [TODO] During the CBT period, authentication may not be possible for users who are not allowed. Provide an appropriate notification to the user.
    }
    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, notify the user and prompt them to retry the login. It is necessary to check the error code and logs to determine the cause.
    }
  }
}));

#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] 로그인 실패 시 사용자 안내 후 재 시도 하도록 하여야 합니다.
    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"

// Set the IdpCode for the login
EKGTIdpCode idpCode = EKGTIdpCode::Kakao;

// Connect the account with a specific IDP
FKGTPlayer::Connect(idpCode, FKGTResultDelegate::CreateLambda([=](FKGTResult result)
{
  if (result.IsSuccess())
  {
    // IDP connection successful
    // The Player ID does not change.
  }
  else
  {
    // IDP connection failed
    int32 resultCode = result.GetCode();

    if (resultCode == FKGTResultCode::NotAuthorized)
    {
      // If the current session is not logged in
    }
    else if (resultCode == FKGTResultCode::InvalidState)
    {
      // If the currently authenticated IDP is not eligible for account connection
    }
    else if (resultCode == FKGTResultCode::AlreadyUsedIDPAccount)
    {
      // If the account is already connected to another IDP
    }
    else
    {
      // Other errors occurred
    }
  }
}));

#include "KakaoGameV4.h"

FKGTPlayer player = FKGTPlayer::GetCurrentPlayer();

// Platform playerId
FString playerId = player.GetPlayerId();

// Platform AccessToken
FString accessToken = FKGTPlayer::GetAccessToken();

// idpProfile information
FKGTIdpProfile idpProfile = player.GetIdpProfile();

#include "KakaoGameV4.h"

FKGTPlayer player = FKGTPlayer::GetCurrentPlayer();

// Retrieve IDP information
FKGTIdpProfile idpProfile = player.GetIdpProfile();
EKGTIdpCode idpCode = idpProfile.GetIdpCode();
FString idpUserId = idpProfile.GetIdpUserId();

// Retrieve Kakao IDP information
// If the login state is with Kakao
if (idpCode == EKGTIdpCode::Kakao)
{
  // Retrieve Kakao IDP information
  FKGTKakaoProfile *kakaoProfile = (FKGTKakaoProfile*)&idpProfile;
  
  // Kakao UUID
  FString uuid = kakaoProfile->GetUUID();
  
  // If the same Kakao user is using a different app, return the same group user token
  FString groupUserToken = kakaoProfile->GetGroupUserToken();  
  
  // Remaining number of invites that can be sent today
  int32 remainingInviteCount = kakaoProfile->GetRemainingInviteCount();
  
  // Whether the app is registered
  bool isAppRegistered = kakaoProfile->IsAppRegistered();
  
  // Whether message reception is allowed
  bool isAllowedMessage = kakaoProfile->IsAllowedMessage();
}

#include "KakaoGameV4.h"

FString languageCode = FKGTSystem::GetLanguageCode();

#include "KakaoGameV4.h"

FString countryCode = FKGTSystem::GetCountryCode();

#include "KakaoGameV4.h"

FString geoCountryCode = FKGTSystem::GetGeoCountryCode();

#include "KakaoGameV4.h"

FString deviceId = FKGTSystem::GetDeviceId();

#include "KakaoGameV4.h"

FString deviceModel = FKGTSystem::GetDeviceModel();

#include "KakaoGameV4.h"

FString osName = FKGTSystem::GetOSName();

#include "KakaoGameV4.h"

bool isNetworkConnected = FKGTSystem::IsNetworkConnected();

#include "KakaoGameV4.h"

FString networkType = FKGTSystem::GetNetworkType();

#include "KakaoGameV4.h"

// Display the view to set KakaoTalk game message reception preferences
FKGTKakaoTalk::ShowSetting(FKGTResultWithIsAllowMeDelegate::CreateLambda([=](FKGTResult result, bool isAllowMe)
{
  if (result.IsSuccess())
  {
    // Successfully set KakaoTalk game message reception preferences
    // isAllowMe - Whether message reception is allowed as per the settings
  }
  else if (result.GetCode() == FKGTResultCode::NotKakaoTalkUser)
  {
    // The logged-in user is not a 'KakaoTalk' user. (For cases where the user is not a KakaoTalk user)
  }
  else
  {
    // Failed to set KakaoTalk game message reception preferences
  }
}));

#include "KakaoGameV4.h"

// Retrieve KakaoTalk profile
FKGTKakaoTalk::TalkProfile(FKGTResultWithKakaoTalkProfileDelegate::CreateLambda([=](FKGTResult result, FKGTKakaoTalkProfile profile)
{
  if (result.IsSuccess())
  {
    // Successfully retrieved KakaoTalk profile
    // profile - The KakaoTalk profile information of the logged-in user
  }
  else if (result.GetCode() == FKGTResultCode::NotKakaoTalkUser)
  {
    // The logged-in user is not a 'KakaoTalk' user. (For cases where the user is not a KakaoTalk user)
  }
  else
  {
    // Failed to retrieve KakaoTalk profile
  }
}));

#include "KakaoGameV4.h"

// Retrieve game friend list
FKGTKakaoTalk::Friends(FKGTResultWithPlayerListDelegate::CreateLambda([=](FKGTResult result, TArray<FKGTPlayer> playerList)
{
  if (result.IsSuccess())
  {
    // Successfully retrieved KakaoTalk game friend list.
    for (FKGTPlayer player : playerList)
    {
      FKGTIdpProfile idpProfile = player.GetIdpProfile();
      FKGTKakaoFriendProfile *kakaoFriendProfile = (FKGTKakaoFriendProfile*)&idpProfile;
    }
  }
  else if (result.GetCode() == FKGTResultCode::NotKakaoTalkUser)
  {
    // The logged-in user is not a 'KakaoTalk' user. (For cases where the user is not a KakaoTalk user)
  }
  else
  {
    // Failed to retrieve KakaoTalk game friend list
  }
}));

#include "KakaoGameV4.h"

// Kakao friend profile retrieved through the friends API
FKGTKakaoFriendProfile *kakaoFriendProfile;

// [TODO] Set the template ID
FString templateId = TEXT("");

// [TODO] Set the parameters for the message template
TMap<FString, FString> argumentDic;
argumentDic.Add(TEXT("${nickname}"), kakaoFriendProfile->GetNickname());
argumentDic.Add(TEXT("rog_link"), TEXT("test=100&hello=20111"));

// Send a KakaoTalk game message
FKGTKakaoTalk::SendGameMessage((*kakaoFriendProfile), templateId, argumentDic, FKGTResultDelegate::CreateLambda([=](FKGTResult result)
{
  if (result.IsSuccess())
  {
    // Successfully sent the KakaoTalk chat message
  }
  else
  {
    if (result.GetCode() == FKGTResultCode::MessageSettingDisabled)
    {
      // The recipient has set up message reception to be disabled
    }
    else if (result.GetCode() == FKGTResultCode::ExceedDailyUsage)
    {
      // Exceeded the daily quota of messages that can be sent by one person for a specific app (regardless of the recipient)
    }
    else if (result.GetCode() == FKGTResultCode::ExceedMonthlyUsage)
    {
      // Exceeded the monthly quota of messages that can be sent by one person to a specific recipient for a specific app
    }
    else
    {
      // Failed to send the KakaoTalk chat message
    }
  }
}));

#include "KakaoGameV4.h"

// [TODO] Set whether to display in a popup window
bool isSingle = true;

// [TODO] Set whether to display in a popup window
bool isPopup = true;
  
// [TODO] Set the template ID
FString templateId = TEXT("");

// [TODO] Set the parameters for the message template
TMap<FString, FString> argumentDic;
argumentDic.Add(TEXT("${nickname}"), TEXT("nickname"));

FKGTKakaoTalk::SendInviteMessage(isSingle, isPopup, templateId, argumentDic, FKGTResultWithKakaoUserListDelegate::CreateLambda([=](FKGTResult result, TArray<FKGTKakaoUser> users)
{
  if (result.IsSuccess())
  {
    // Successfully sent KakaoTalk invite message
    for (FKGTKakaoUser user : users)
    {
      // Check the list of users to whom the invite message was sent
    }
  }
  else
  {
    // If all failed (need to return a common cause)
    if (result.GetCode() == FKGTResultCode::MessageSettingDisabled)
    {
      // The recipient has set up message reception to be disabled
    }
    else if (result.GetCode() == FKGTResultCode::ExceedDailyUsage)
    {
      // Exceeded the daily quota of messages that can be sent by one person for a specific app (regardless of the recipient)
    }
    else if (result.GetCode() == FKGTResultCode::ExceedMonthlyUsage)
    {
      // Exceeded the monthly quota of messages that can be sent by one person to a specific recipient for a specific app
    }
    else
    {
      // Failed to send KakaoTalk chat message
    }
  }
}));

#include "KakaoGameV4.h"

// [TODO] Set the channel ID
int32 channelId = 0;

FKGTKakaoTalk::AddChannel(channelId, FKGTResultDelegate::CreateLambda([=](FKGTResult result)
{
  if (result.IsSuccess())
  {
    // Successfully added the channel
  }
  else if (result.GetCode() == FKGTResultCode::NotKakaoTalkUser)
  {
    // The logged-in user is not a 'KakaoTalk' user. (For cases where the user is not a KakaoTalk user)
  }
  else
  {
    // Failed to add the channel
  }
}));

#include "KakaoGameV4.h"

// [TODO] Set the event ID
int32 eventId = 0;

// Retrieve the list of players I invited
FKGTKakaoInvitation::Joiners(eventId, FKGTResultWithJoinersDelegate::CreateLambda([=](FKGTResult result, TArray<FKGTPlayer> players)
{
  if (result.IsSuccess())
  {
    // Successfully retrieved the list of players I invited
    for (FKGTPlayer player : players)
    {
      // Recipient's player ID
      FString playerId = player.GetPlayerId();
      FKGTIdpProfile idpProfile = player.GetIdpProfile();
      FKGTKakaoFriendProfile *kakaoProfile = (FKGTKakaoFriendProfile*)&idpProfile;
      // Recipient's nickname
      FString nickname = kakaoProfile->GetNickname();
      // Recipient's profile thumbnail image
      FString thumbnailImageUrl = kakaoProfile->GetThumbnailImageUrl();
      // Check if the recipient has a withdrawal history. Use this flag to display withdrawal information in the UI.
      bool isUnregistered = kakaoProfile->IsUnregistered();
    }
  }
  else if (result.GetCode() == FKGTResultCode::NotKakaoTalkUser)
  {
    // The logged-in user is not a 'KakaoTalk' user. (For cases where the user is not a KakaoTalk user)
  }
  else
  {
    // Failed to retrieve the list
  }
}));

#include "KakaoGameV4.h"

// [TODO] Set the event ID
int32 eventId = 0;

// Retrieve the count of players I invited
FKGTKakaoInvitation::ReceiversCount(eventId, FKGTResultWithReceiversCountDelegate::CreateLambda([=](FKGTResult result, int32 totalReceiversCount, int32 joinersCount)
{
  if (result.IsSuccess())
  {
    // Successfully retrieved the counts
    // totalReceiversCount - Total number of friends
    // joinersCount - Number of friends who joined the game
  }
  else if (result.GetCode() == FKGTResultCode::NotKakaoTalkUser)
  {
    // The logged-in user is not a 'KakaoTalk' user. (For cases where the user is not a KakaoTalk user)
  }
  else
  {
    // Failed to retrieve the counts
  }
}));