// Copyright Epic Games, Inc. All Rights Reserved.

#pragma once

#include "CoreMinimal.h"

#include "Insights/Common/SimpleRtti.h"

class FBaseTimingTrack;

////////////////////////////////////////////////////////////////////////////////////////////////////

class TRACEINSIGHTS_API ITimingEvent
{
    INSIGHTS_DECLARE_RTTI_BASE(ITimingEvent)

public:
    virtual const TSharedRef<const FBaseTimingTrack> GetTrack() const = 0;

    bool CheckTrack(const FBaseTimingTrack* TrackPtr) const { return &GetTrack().Get() == TrackPtr; }

    virtual uint32 GetDepth() const                      = 0;

    virtual double GetStartTime() const                  = 0;
    virtual double GetEndTime() const                    = 0;
    virtual double GetDuration() const                   = 0;

    virtual bool Equals(const ITimingEvent& Other) const = 0;

    static bool AreEquals(const ITimingEvent& A, const ITimingEvent& B)
    {
        return A.Equals(B);
    }

    static bool AreValidAndEquals(const TSharedPtr<const ITimingEvent> A, const TSharedPtr<const ITimingEvent> B)
    {
        return A.IsValid() && B.IsValid() && (*A).Equals(*B);
    }
};

////////////////////////////////////////////////////////////////////////////////////////////////////

class TRACEINSIGHTS_API ITimingEventFilter
{
    INSIGHTS_DECLARE_RTTI_BASE(ITimingEventFilter)

public:
    /**
     * Returns true if the track passes the filter.
     */
    virtual bool FilterTrack(const FBaseTimingTrack& InTrack) const = 0;

    /**
     * Returns true if the timing event passes the filter.
     */
    virtual bool FilterEvent(const ITimingEvent& InEvent) const                                                                                                                    = 0;
    virtual bool FilterEvent(double InEventStartTime, double InEventEndTime, uint32 InEventDepth, const TCHAR* InEventName, uint64 InEventType = 0, uint32 InEventColor = 0) const = 0;

    /**
     * Returns a number that changes each time an attribute of this filter changes.
     */
    virtual uint32 GetChangeNumber() const = 0;
};

////////////////////////////////////////////////////////////////////////////////////////////////////