#include "core/Frame.hpp"

#include <algorithm>
#include <cmath>

namespace tahgibu {

float Frame::clampFps(float fps) noexcept {
    if (!std::isfinite(fps)) {
        return kDefaultFps;
    }
    return std::clamp(fps, kMinFps, kMaxFps);
}

void Frame::setFpsOverride(float fps) noexcept {
    fpsOverride_ = clampFps(fps);
}

float Frame::effectiveFps(float baseFps) const noexcept {
    return fpsOverride_ ? *fpsOverride_ : clampFps(baseFps);
}

double Frame::durationSeconds(float baseFps) const noexcept {
    // effectiveFps() >= kMinFps, así que nunca se divide por cero.
    return 1.0 / static_cast<double>(effectiveFps(baseFps));
}

}  // namespace tahgibu