from components.aheater import AHeater


class Heater(AHeater):
	def __init__(self):
		self.power = 0
		self.power_last = -1
		self.is_active = False

		self.power_changed_callback = None

	def connect_power_changed(self, func):
		self.power_changed_callback = func

	def get_power_min(self):
		return 500

	def get_power_max(self):
		return 3500

	def activate(self, enable):
		self.is_active = enable

	def process(self):
		if self.getPower() != self.power_last:
			if self.power_changed_callback is not None:
				self.power_changed_callback(self.getPower())
		self.power_last = self.getPower()

	def setPower(self, power):
		self.power = power

	def getPower(self):
		if self.is_active:
			return self.power
		else:
			return 0