#ifndef _MODULE_POWER_h
#define _MODULE_POWER_h

#include <Arduino.h>
#include "watchos_consts.h"
//#include "watchos_hw.h"
//#include "watchos_types.h"
#include "EventListener.h"

#define MODULE_POWER_INTERACTIVE_LIGHT_SLEEP_DELAY_MS 200
#define MODULE_POWER_INTERACTIVE_DEEP_SLEEP_DELAY_MS 500

#define MODULE_POWER_NONINTERACTIVE_LIGHT_SLEEP_DELAY_MS 200
#define MODULE_POWER_NONINTERACTIVE_DEEP_SLEEP_DELAY_MS 500

/// <summary>
/// Module responsible for monitoring activity, wake causes, timeouts, etc and deciding when
/// to put the system into light/deep sleep.
/// </summary>
class Module_Power : public Task, public IRunnable, public EventListener
{
	/// <summary>
	/// How many milliseconds to wait before entering light sleep
	/// </summary>
	int m_light_sleep_delay = 0;
	/// <summary>
	/// How many milliseconds to wait before entering deep sleep
	/// </summary>
	int m_deep_sleep_delay = 0;
	/// <summary>
	/// How many milliseconds of inactivity have elapsed while light sleep is enabled
	/// </summary>
	int m_light_sleep_accumulator = 0;
	/// <summary>
	/// How many milliseconds of inactivity have elapsed while deep sleep is enabled
	/// </summary>
	int m_deep_sleep_accumulator = 0;

	/// <summary>
	/// Timestamp of the last time the module updated the accumulators
	/// </summary>
	unsigned long m_last_tick;

	/// <summary>
	/// Track whether we have entered light sleep; if we have we need to disable the internal RTC
	/// before deep sleep.
	/// </summary>
	bool m_did_light_sleep;

	/// <summary>
	/// Whether the system is eligible to enter light sleep
	/// </summary>
	bool m_light_sleep_enabled = true;
	/// <summary>
	/// Whether the system is eligible to enter deep sleep
	/// </summary>
	bool m_deep_sleep_enabled = true;

public:
	void start();
	void tick();

	/// <summary>
	/// Disable light sleep
	/// </summary>
	void disableLightSleep();
	/// <summary>
	/// Enable light sleep
	/// </summary>
	void enableLightSleep();
	/// <summary>
	/// Disable deep sleep
	/// </summary>
	void disableDeepSleep();
	/// <summary>
	/// Enable light sleep
	/// </summary>
	void enableDeepSleep();

};

#endif