#include "PressureMonitor.h"
#include <cmath>

PressureMonitor::PressureMonitor()
    : m_stableTickCount(0)
    , m_totalTickCount(0)
    , m_timeout(false)
{
}

bool PressureMonitor::tick(float realtimePressure, float calibratedPressure)
{
    m_totalTickCount++;

    if (calibratedPressure <= 0.0f) {
        m_stableTickCount = 0;
        return false;
    }

    float upperBound = calibratedPressure + 10.0f;
    float lowerBound = calibratedPressure - 10.0f;

    if (realtimePressure >= lowerBound && realtimePressure <= upperBound) {
        m_stableTickCount++;
    } else {
        m_stableTickCount = 0;
    }

    // 5分钟超时兜底：无论压力是否稳定，都触发结束
    if (m_totalTickCount >= TIMEOUT_TICKS) {
        m_timeout = true;
        return true;
    }

    return m_stableTickCount >= REQUIRED_STABLE_TICKS;
}

void PressureMonitor::reset()
{
    m_stableTickCount = 0;
    m_totalTickCount = 0;
    m_timeout = false;
}

bool PressureMonitor::isCurrentlyInRange() const
{
    return m_stableTickCount > 0;
}

int PressureMonitor::stableTickCount() const
{
    return m_stableTickCount;
}

bool PressureMonitor::wasTimeout() const
{
    return m_timeout;
}