#pragma once

#include "CoreMinimal.h"
#include "Subsystems/EngineSubsystem.h"
#include "hidapi.h"


#include "SkyPortalSubsystem.generated.h"


UENUM(BlueprintType)
enum EPortalSide {
	LEFT UMETA(DisplayName = "Left side"),
	RIGHT UMETA(DisplayName = "Right side"),
	BOTH UMETA(DisplayName = "Both left and right"),
	TRAP UMETA(DisplayName = "Trap")
};



/* Macro Definitions */
#define rw_buf_size  0x21
#define TIMEOUT 30000
#define DEBUG true

DECLARE_LOG_CATEGORY_EXTERN(LogHIDApi, Log, All);
DECLARE_LOG_CATEGORY_EXTERN(LogSkyportalIO, Log, All);

/* Subsystem */
UCLASS(MinimalAPI)
class USkyPortalSubsystem : public UEngineSubsystem
{
	GENERATED_BODY()

	//Portal ref used in the subsystem
	hid_device* PortalDevice;

public:
	// Override initialization and deinitialization methods
	virtual void Initialize(FSubsystemCollectionBase& Collection) override;
	virtual void Deinitialize() override;

	

	// Connect to Portal, return false if portal is not found
	UFUNCTION(BlueprintCallable, CallInEditor, meta = (Category = "SkyPortal"))
	SKYPORTAL_API bool ConnectPortal();

	

	UPROPERTY(VisibleAnywhere, BlueprintReadOnly)
	bool bPortalConnected = false;

	FString HidError;


	/* Portal Actions*/

	// Change portal color, ideally should be called just at the start. For gameplay usage, use ChangePortalColorside()
	UFUNCTION(BlueprintCallable, CallInEditor, meta = (AutoCreateRefTerm = "Color", Category = "SkyPortal|Cosmetic"))
	SKYPORTAL_API void ChangePortalColor(const FLinearColor& Color = FLinearColor::Green);



	/**
	 * Change the color of the portal, can separate side and even trap ligth
	 * @param	PortalSide	The actors to record
	 * @param BlendTime Blend between current color and NextColor
	 */
	UFUNCTION(BlueprintCallable, CallInEditor, meta = (AutoCreateRefTerm = "NextColor", Category = "SkyPortal|Cosmetic"))
	SKYPORTAL_API void ChangePortalColorside(const FLinearColor& NextColor = FLinearColor::Green,const EPortalSide PortalSide = EPortalSide::BOTH,const float BlendTime=100.0f);


	unsigned char PortalStatus();




private:


	typedef struct {
		unsigned char buf[rw_buf_size]; int BytesTransferred;
	} RWBlock;


	static void Sleep(int sleepMs);

	void ActivatePortal(int active);

	void RestartPortal();


	// Block/byte related data write/read functions
	bool OpenPortalHandle();
	bool ReadBlock(unsigned int block, unsigned char data[0x10], int skylander);
	bool WriteBlock(unsigned int, unsigned char[0x10], int);
	bool CheckResponse(RWBlock *, char);
	void Write(RWBlock *);


protected:

	//Constants
	const int VendorIds[4] = { 0x12ba, 0x54c, 0x1430, 0x1430 };
	const int ProductIds[4] = { 0x150, 0x967, 0x1f17 };
	


	/////Defaults values, should not be used
	//const int VendorId = 5168;
	//const int ProductId = 336;
};