#include "Configuration.hh"
#include "CoolingFan.hh"
//#include "ExtruderMotor.hh"
#include "Eeprom.hh"
#include "EepromMap.hh"

#ifdef IS_EXTRUDER_BOARD
	#include "ExtruderBoard.hh"
#endif

#define FAN_ENABLED 1
#define FAN_DISABLED 0

#define DEFAULT_COOLING_FAN_SETPOINT_C  50
#define DEFAULT_COOLING_FAN_ENABLE      FAN_DISABLED

// TODO: Come up with a unified strategy for these.
// EEPROM map
#define ENABLE_OFFSET       0
#define SETPOINT_C_OFFSET   1


CoolingFan::CoolingFan(Heater& heater_in, uint16_t eeprom_base_in) :
        heater(heater_in),
        eeprom_base(eeprom_base_in)
{
	reset();
}

void CoolingFan::reset() {
	setSetpoint(eeprom::getEeprom16(eeprom_base + SETPOINT_C_OFFSET,
			DEFAULT_COOLING_FAN_SETPOINT_C));

	if (eeprom::getEeprom8(eeprom_base + ENABLE_OFFSET,
			DEFAULT_COOLING_FAN_ENABLE) == FAN_ENABLED) {
		enable();
	}
	else {
		disable();
	}
}

void CoolingFan::setSetpoint(int temperature) {
	setPoint = temperature;
}

void CoolingFan::enable() {
	enabled = true;
}

void CoolingFan::disable() {
	enabled = false;
	setFanRunning(false);
}

void CoolingFan::manageCoolingFan() {
	// TODO: only change the state if necessary
	if (enabled) {
		if (heater.get_current_temperature() > setPoint) {
			setFanRunning(true);
		}
		else {
			setFanRunning(false);
		}
	}
}

void CoolingFan::setFanRunning(bool state)
{
#ifdef IS_EXTRUDER_BOARD
	ExtruderBoard::getBoard().setFanRunning(state);
#else
	#warning cooling fan feature disabled
#endif
}