#pragma once

#include "CoreMinimal.h"
#include "Subsystems/DTFluxNetworkSubsystem.h"
#include "Types/Struct/DTFluxRaceDataStructs.h"
#include "Types/Struct/FDTFluxPursuitInfo.h"
#include "UObject/Object.h"
#include "DTFluxPursuitManager.generated.h"


class UDTFluxCoreSubsystem;

USTRUCT()
struct FRequestData
{
	GENERATED_BODY()

	UPROPERTY()
	TArray<FGuid> RequestIds;
	UPROPERTY()
	TMap<FGuid, FDTFluxStageRankings> StageRankings;
	UPROPERTY()
	int ContestId;

	UPROPERTY()
	bool bIsReady = false;


	FRequestData() = default;

	FRequestData(const TArray<FGuid>& InRequestIds, const TMap<FGuid, FDTFluxStageRankings>& InStageRankings)
		: RequestIds(InRequestIds), StageRankings(InStageRankings), ContestId(-1)
	{
	};

	/**
	 * 
	 * @param RequestId 
	 * @param InRankings 
	 * @return True if all needed requests have responses
	 */
	bool IsWaitingFor(const FGuid& RequestId, const FDTFluxStageRankings& InRankings)
	{
		if (!StageRankings.Contains(RequestId))
		{
			StageRankings.Add(RequestId, InRankings);
		}
		bIsReady = StageRankings.Num() <= RequestIds.Num();
		return bIsReady;
	}
};

USTRUCT()
struct FDTFluxPursuitGroup
{
	GENERATED_BODY()

	UPROPERTY()
	TArray<FDTFluxPursuitInfo> PursuitGroup = TArray<FDTFluxPursuitInfo>();
	UPROPERTY()
	FDateTime StartTimeGlobal = FDateTime::MinValue();
	UPROPERTY()
	bool bHasStarted = false;
	UPROPERTY()
	bool bIsFocus = false;
};

DECLARE_DYNAMIC_MULTICAST_DELEGATE_FourParams(FOnPursuitSequenceReady, const FDateTime, MassStartTime,
                                              const TArray<FDTFluxPursuitInfo>,
                                              NextFocusPursuits,
                                              const TArray<FDTFluxPursuitInfo>, NextPursuit, bool, bIsTrtuncate);

/**
 * 
 */
UCLASS(BlueprintType)
class DTFLUXCORESUBSYSTEM_API UDTFluxPursuitManager : public UObject
{
	GENERATED_BODY()

public:
	UDTFluxPursuitManager(const FObjectInitializer& ObjectInitializer);

	UPROPERTY(BlueprintReadOnly, VisibleAnywhere)
	TArray<FDTFluxPursuitInfo> NextFocusPursuits;

	UPROPERTY(BlueprintReadOnly, VisibleAnywhere)
	TArray<FDTFluxPursuitInfo> NextPursuits;

	UPROPERTY(BlueprintReadOnly, VisibleAnywhere)
	bool bFocusIsTruncate = false;

	UPROPERTY()
	int PursuitMaxSimultaneousPursuit = 7;

	UPROPERTY(BlueprintReadWrite, EditAnywhere, Category="DTFlux|Pursuit",
		meta=(ClampMin="1", ClampMax="60", UIMin="0", UIMax="60"))
	int MassStartDelay = 10;

	UPROPERTY()
	FDateTime MassStartTime = FDateTime::MinValue();

	UPROPERTY()
	TArray<FDTFluxPursuitGroup> GroupedPursuit;

	UPROPERTY()
	int CurrentIndex = -1;

	UPROPERTY(BlueprintAssignable, Category="DTFlux|Pursuit")
	FOnPursuitSequenceReady OnPursuitSequenceReady;

	UFUNCTION(BlueprintCallable, Category="DTFlux|Pursuit", meta=(Keywords="pursuit, launch, poursuite"))
	void InitPursuit(const TArray<int> InContestIds, const int MaxSimultaneousPursuit = 7);

	UFUNCTION(BlueprintCallable, Category="DTFlux|Pursuit", meta=(Keywords="pursuit, launch, poursuite"))
	void GetPursuit(TArray<FDTFluxPursuitInfo>& OutPursuitFocusNext, TArray<FDTFluxPursuitInfo>& OutPursuitNext,
	                bool& BIsFocusTruncate, const int MaxSimultaneousPursuit = 7);

	UFUNCTION()
	void OnRequestResponse(const FGuid& RequestId, FDTFluxServerResponse& Response);

	UFUNCTION()
	void OnRequestTimeoutResponse(const FGuid& RequestId, const FString& TimeoutMessage);

	UFUNCTION()
	void OnRequestError(const FGuid& RequestId, const FString& ErrorMessage);

	UFUNCTION()
	bool InitSubSystems();

private:
	TArray<FRequestData> PendingRequestData;
	UDTFluxCoreSubsystem* CoreSubsystem = nullptr;
	UDTFluxNetworkSubsystem* NetworkSubsystem = nullptr;

	UPROPERTY()
	bool bIsSequenceDone = true;
	UFUNCTION()
	void SetPursuitInfoIsMassStart(FDTFluxPursuitGroup NextFocusGroup);
	UFUNCTION()
	void InitPursuitForContests(const TArray<FDTFluxContest> InContests);
	UFUNCTION()
	bool InitPursuitForRequest(FRequestData Data);
};