/***
    Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: Stopwatch.hpp
    Date: 2021-6-10
    Author: Reece
***/
#pragma once

namespace Aurora::Time
{
    AUKN_SYM AuUInt64 SteadyClockNS();

    struct Stopwatch
    {
        inline Stopwatch()
        {
            Start();
        }

        inline ~Stopwatch()
        {

        }

        inline void Start()
        {
            this->start_ = SteadyClockNS();
        }

        inline void Reset()
        {
            this->start_ = SteadyClockNS();
            this->end_ = 0;
        }

        inline AuUInt64 EndNS()
        {
            if (!this->end_) this->end_ = SteadyClockNS();
            return this->end_ - this->start_;
        }

        inline AuUInt64 EndMS()
        {
            if (!this->end_) this->end_ = SteadyClockNS();
            return AuNSToMS<AuUInt64>(this->end_ - this->start_);
        }

    private:
        AuUInt64 start_ {};
        AuUInt64 end_ {};
    };
}