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

#pragma once

#include "CoreMinimal.h"
#include "Struct/DTFluxServerResponseStruct.h"
#include "Subsystems/EngineSubsystem.h"
#include "Types/DTFluxNetworkSettingsTypes.h"
#include "Types/Enum/DTFluxCoreEnum.h"
#include "Types/Struct/DTFluxRaceDataStructs.h"
#include "Types/Struct/DTFluxRankingStructs.h"
#include "Types/Struct/DTFluxSplitSensor.h"
#include "Types/Struct/DTFluxTeamListStruct.h"
#include "DTFluxNetworkSubsystem.generated.h"




class FDTFluxWebSocketClient;
typedef TSharedPtr<FDTFluxWebSocketClient> FDTFluxWebSocketClientSP;
class FDTFluxHttpClient;
typedef TSharedPtr<FDTFluxHttpClient> FDTFluxHttpClientSP;
/**
 * 
 */
UCLASS(Blueprintable)
class DTFLUXNETWORK_API UDTFluxNetworkSubsystem : public UEngineSubsystem
{
	GENERATED_BODY()
	
public:

	UPROPERTY()
	EDTFluxConnectionStatus WsStatus = EDTFluxConnectionStatus::Unset;
	
	DECLARE_DYNAMIC_MULTICAST_DELEGATE(FOnWebSocketConnected);
	UPROPERTY(BlueprintAssignable, Category="DTFlux|Network")
	FOnWebSocketConnected OnWebSocketConnected;

	DECLARE_DELEGATE_OneParam(FOnRaceDataReceived, const FDTFluxRaceData& /*RaceDataDefinition*/);
	FOnRaceDataReceived OnRaceDataReceived;
	FOnRaceDataReceived& OnReceivedRaceData()
	{
		return OnRaceDataReceived;
	};
	
	DECLARE_DELEGATE_OneParam(FOnTeamListReceived, const FDTFluxTeamListDefinition& /*TeamListDefinition*/);
	FOnTeamListReceived OnTeamListReceived;
	FOnTeamListReceived& OnReceivedTeamList()
	{
		return OnTeamListReceived;
	};

	DECLARE_DELEGATE_OneParam(FOnStageRankingReceived, const FDTFluxStageRankings& /*StageRankings*/);
	FOnStageRankingReceived OnStageRankingReceived;
	FOnStageRankingReceived& OnReceivedStageRanking()
	{
		return OnStageRankingReceived;
	}
	DECLARE_DELEGATE_OneParam(FOnSplitRankingReceived, const FDTFluxSplitRankings& /*SplitRankings*/);
	FOnSplitRankingReceived OnSplitRankingReceived;
	FOnSplitRankingReceived& OnReceivedSplitRanking()
	{
		return OnSplitRankingReceived;
	}
	
	DECLARE_DELEGATE_OneParam(FOnContestRankingReceived, const FDTFluxContestRankings& /*ContestRankings*/);
	FOnContestRankingReceived OnContestRankingReceived;
	FOnContestRankingReceived& OnReceivedContestRanking()
	{
		return OnContestRankingReceived;
	};
	DECLARE_DELEGATE_OneParam(FOnSplitSensorReceived, const FDTFluxSplitSensorInfo& /*ContestRankings*/);
	FOnSplitSensorReceived OnSplitSensorReceived;
	FOnSplitSensorReceived& OnReceivedSplitSensor()
	{
		return OnSplitSensorReceived;
	};

	DECLARE_DELEGATE_OneParam(FOnTeamUpdateReceived, const FDTFluxParticipant& /*ParticipantToUpdate*/);
	FOnTeamUpdateReceived OnTeamUpdateReceived;
	FOnTeamUpdateReceived& OnReceivedTeamUpdate()
	{
		return OnTeamUpdateReceived;
	};

	DECLARE_DELEGATE_OneParam(FOnTeamStatusUpdateReceived, const FDTFluxTeamStatusUpdate& /*TeamToUpdate*/);
	FOnTeamStatusUpdateReceived OnTeamStatusUpdateReceived;
	FOnTeamStatusUpdateReceived& OnReceivedTeamStatusUpdate()
	{
		return OnTeamStatusUpdateReceived;
	};

	UFUNCTION(BlueprintCallable, Category="DTFlux|Network")
	void Connect();
	UFUNCTION(BlueprintCallable, Category="DTFlux|Network")
	void Disconnect();
	UFUNCTION(BlueprintCallable, Category="DTFlux|Network")
	void Reconnect();


	UFUNCTION(BlueprintCallable, Category="DTFlux|Core Subsystem")
	void SendRequest(const EDTFluxRequestType RequestType, int InContestId = -1, int InStageId = -1, int InSplitId = -1);
	
	
	UFUNCTION(BlueprintCallable,  Category="DTFlux|Network")
	void SendMessage(const FString& Message);
	
protected:
	// ~Subsystem Interface
	virtual void Initialize(FSubsystemCollectionBase& Collection) override;
	virtual void Deinitialize() override;
	// ~Subsystem Interface


private:
	FDTFluxWsSettings WsSettings;
	FDTFluxHttpSettings HttpSettings;

	UFUNCTION()
	void WsSettingsChanged(const FDTFluxWsSettings& NewWsSettings);
	UFUNCTION()
	void HttpSettingsChanged(const FDTFluxHttpSettings& NewHttpSettings);
	void ReconnectWs(const FName WsClientId);
	void ReconnectHttp(const FName WsClientId);

	void RegisterWebSocketEvents();
	void RegisterHttpEvents();
	void UnregisterWebSocketEvents();
	void UnregisterHttpEvents();

	void OnWebSocketConnected_Subsystem();
	void OnWebSocketConnectionError_Subsystem(const FString& Error);
	void OnWebSocketClosedEvent_Subsystem(int32  StatusCode , const FString& Reason, bool bWasClean);
	void ParseTeamListResponse(const FDTFluxServerResponse& ServerResponse);
	void ParseRaceData(const FDTFluxServerResponse& Response);
	void ParseContestRanking(const FDTFluxServerResponse& Response);
	void ParseStageRankingResponse(const FDTFluxServerResponse& Response);
	void ParseSplitRankingResponse(const FDTFluxServerResponse& Response);
	void ParseStatusUpdateResponse(const FDTFluxServerResponse& Response);
	void ParseSplitSensorResponse(const FDTFluxServerResponse& Response);
	void OnWebSocketMessageEvent_Subsystem(const FString& MessageString);
	void OnWebSocketMessageSentEvent_Subsystem(const FString& MessageSent);

	// TODO : Allow multiple instances of network clients.
	// // For Future use of Multi-Connections
	// TArray<FDTFluxWebSocketClientSP> WsClients;
	// // For Future use of Multi-Connections
	// TArray<FDTFluxHttpClientSP> HttpClient;
	// Fo now we jest stick to only one client for each protocol

	FDelegateHandle OnWsConnectedEventDelegateHandle;
	FDelegateHandle OnWsConnectionErrorEventDelegateHandle;
	FDelegateHandle OnWsClosedEventDelegateHandle;
	FDelegateHandle OnWsMessageEventDelegateHandle;
	FDelegateHandle OnWsMessageSentEventDelegateHandle;
	
	FDTFluxWebSocketClientSP WsClient = nullptr;
	FDTFluxHttpClientSP HttpClient = nullptr;


	static FString ConstructWsAddress(const FString& Address, const FString& Path, const int& Port);
};