// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial

#include "hardwarecontrol.h"

HardwareControl::HardwareControl()
    : fanSpeed(1)
    , ledCycleCount(0)
{
    ledCycleTimer.onTimeout([this]() { ledToggle(); });
}

void HardwareControl::updateSpeed(int newSpeed)
{
    fanSpeed.setValue(newSpeed);
    updateFanSpeed();
    updateLedSpeed();
}

void HardwareControl::updateLedSpeed()
{
    int interval = speedToLedToggleInterval(fanSpeed.value());

    if (interval > 0) {
        ledCycleTimer.setInterval(interval);
        ledCycleTimer.start();
    } else {
        ledCycleTimer.stop();
    }
}

void HardwareControl::updateFanSpeed()
{
    fanRotationPeriodChanged(fanSpeed.value() == 0 ? 0 : 5000 / (fanSpeed.value() * 3));
}

static HardwareControlEventQueue eventQueue;

void postEventsToUI(HardwareEvent &event)
{
    eventQueue.postEvent(event);
}

void HardwareControl::ledToggle()
{
    static bool ledOn = false;
    static int cycleCount = 0;
    static HardwareEvent event;
    if (ledOn) {
        cycleCount++;
        cycleCount = cycleCount < 0 ? 0 : cycleCount;
    }
    ledOn = !ledOn;

    event.id = HardwareEventId::LedCycleCount;
    event.data = cycleCount;

    postEventsToUI(event);
}

void HardwareControlEventQueue::onEvent(const HardwareEvent &event)
{
    if (event.id == HardwareEventId::LedCycleCount)
        HardwareControl::instance().ledCycleCount.setValue(event.data);
    else if (event.id == HardwareEventId::FanRotationPeriod)
        HardwareControl::instance().fanRotationPeriodChanged(event.data);
}