// =============================================
//  Aster: logger.h
//  Copyright (c) 2020-2024 Anish Bhobe
// =============================================

#pragma once

#include "constants.h"
#include <SDL3/SDL.h>

#include <utility>

struct Time
{
    static constexpr f64 MAX_DELTA = 0.1;

    inline static u64 m_PerfCounter;
    inline static u64 m_BeginAtCounter;
    inline static f64 m_Elapsed;
    inline static f64 m_Delta;

    inline static f64 m_SecondPerCount;

    static void
    Init()
    {
        m_SecondPerCount = 1.0 / Cast<f64>(SDL_GetPerformanceFrequency());
        m_BeginAtCounter = SDL_GetPerformanceCounter();
        m_PerfCounter = m_BeginAtCounter;
        m_Elapsed = 0.0;
        m_Delta = 1.0 / 60.0;
    }

    static void
    Update()
    {
        u64 currentCounter = SDL_GetPerformanceCounter();
        m_Elapsed = (currentCounter - m_BeginAtCounter) * m_SecondPerCount;
        m_Delta = std::min(m_SecondPerCount * (currentCounter - m_PerfCounter), MAX_DELTA);
        m_PerfCounter = currentCounter;
    }
};