// Fill out your copyright notice in the Description page of Project Settings.

#pragma once

#include "CoreMinimal.h"
#include "ShooterGameModeBase.h"

#include "ShooterGameMode.generated.h"

DECLARE_LOG_CATEGORY_EXTERN(LogShooterGameMode, Log, All);

struct FProcessParameters;
struct FServerParameters;

struct FGameLiftCliConfig
{
	bool bDebugMode = false;
	bool bIsAnywhereFleet = false;
	bool bIsCriticalError = false;

	int32 ServerPort = 0;
	
	FString AuthToken;
	FString FleetId;
	FString HostId;
	FString WebSocketUrl;
	FString ServerRegion;

};

namespace GameLiftValidators
{
	extern const FRegexPattern FleetIdPattern;
	extern const int32 FleetIdLengthMin;
	extern const int32 FleetIdLengthMax;
	extern const FString ServerRegionPattern;
	extern const int32 ServerRegionLengthMin;
	extern const int32 ServerRegionLengthMax;
	extern const FString WebSocketUrlPattern;
	extern const int32 WebSocketUrlLengthMin;
	extern const int32 WebSocketUrlLengthMax;
	extern const FString AuthTokenPattern;
	extern const int32 AuthTokenLengthMin;
	extern const int32 AuthTokenLengthMax;
	extern const FString HostIdPattern;
	extern const int32 HostIdLengthMin;
	extern const int32 HostIdLengthMax;
	extern const int32 ServerPortMin;
	extern const int32 ServerPortMax;
	extern const int32 WebSocketPortMin;
	extern const int32 WebSocketPortMax;

	bool ValidateString(const FString& Value, const FRegexPattern& OptionalPattern, int32 Min, int32 Max);
	bool ValidateNumber(int32 Value, int32 Min, int32 Max);
}

/**
 * 
 */
UCLASS()
class FPSTEMPLATE_API AShooterGameMode : public AShooterGameModeBase
{
	GENERATED_BODY()
	
public:
	AShooterGameMode();

protected:
	
	UPROPERTY(Config, BlueprintReadOnly)
	bool bIsAnywhereFleet = false;
	
	UPROPERTY(Config, BlueprintReadOnly)
	FString FleetId;
	
	UPROPERTY(Config, BlueprintReadOnly)
	FString AuthToken;
	
	UPROPERTY(Config, BlueprintReadOnly)
	FString HostId;
	
	UPROPERTY(Config, BlueprintReadOnly)
	FString WebSocketUrl;
	
	UPROPERTY(Config)
	FString ServerRegion;
	
	UPROPERTY(Config, BlueprintReadOnly)
	int32 ServerPort;
	
	UPROPERTY(EditAnywhere, BlueprintReadWrite)
	bool bDebugMode = false;
	
	virtual void BeginPlay() override;
	virtual void InitGame(const FString& MapName, const FString& Options, FString& ErrorMessage) override;
	void InitGame_original(const FString& MapName, const FString& Options, FString& ErrorMessage);
	
private:
	
	FGameLiftCliConfig GameLiftConfig;
	
	FString CachedCommandLine;
	TSharedPtr<FProcessParameters> ProcessParameters;
	TSharedPtr<FServerParameters> ServerParameters;
	
	int32 GetConfiguredOrDefaultPort() const;
	static FString GetSHA256Hash(const FString& Input);
	
	bool ParseAndOutputResult(const FString& InString, FString& OutValue, bool bRequired = false);
	bool ParseAndValidate(const FString& InArguments, FGameLiftCliConfig& Config);
	static bool ValidateFleetId(const FString& InFleetId);
	
	void InitGameLift();
};