EosHandler.h

//

#pragma once

#include "CoreMinimal.h"
#include "Blueprint/UserWidget.h"
#include "Interfaces/OnlineIdentityInterface.h"
#include "Interfaces/OnlineSessionInterface.h"
#include "EosHandler.generated.h"

class IOnlineSubsystem;

/**
 *
 */
UCLASS()
class EOS_OSS_TUTORIAL_API UEosHandler : public UUserWidget
{
    GENERATED_BODY()
public:
    static void PrintToScreen(const FString& Message, const FColor& Color = FColor::Red, const float Duration = 5.f)
    {
        UE_LOG(LogTemp, Error, TEXT("%s"), *Message);
        if(GEngine)
            GEngine->AddOnScreenDebugMessage(-1, Duration, Color, Message);
    }

protected:
    UFUNCTION(BlueprintCallable)
    void Login() const;

    UFUNCTION(BlueprintCallable)
    void FindSessions(FName SearchKey, const FString& SearchValue);

    UFUNCTION(BlueprintCallable)
    void CreateLobby(FName KeyName = "KeyName", FString KeyValue = "KeyValue");
private:
    IOnlineSubsystem* Subsystem;
    TWeakPtr<IOnlineIdentity> Identity;
    TWeakPtr<IOnlineSession> Session;

    FDelegateHandle LoginDelegateHandle, FindSessionsDelegateHandle, CreateLobbyDelegateHandle, JoinSessionDelegateHandle;

    FString ConnectString;

    UPROPERTY(EditAnywhere)
    FName LobbyName = "LobbyName";

    UPROPERTY(EditAnywhere)
    FString Map = "Game/Content/ThirdPerson/Maps/ThirdPersonMap?listen";

    FOnlineSessionSearchResult* SessionToJoin;

    void HandleLoginCompleted(int32 LocalUserNum, bool bWasSuccessful, const FUniqueNetId& UserId, const FString& Error);

    void HandleFindSessionsCompleted(const bool bWasSuccessful, TSharedRef<FOnlineSessionSearch> Search);
    void HandleCreateLobbyCompleted(FName EosLobbyName, bool bWasSuccessful);
    void JoinSession();
    void HandleJoinSessionCompleted(FName SessionName, EOnJoinSessionCompleteResult::Type Result);
};