from components.aheater import AHeater
from hendiCtrl import HendiCtrl


class HeaterHendi(AHeater):
	def __init__(self, port, baudrate):
		AHeater.__init__(self)
		self.power_set = self.get_power_min()
		self.is_active = False
		self.power_eff = 0
		self.hendi = HendiCtrl(port, baudrate)

	def get_power_min(self):
		caps = self.hendi.getCapabilties()
		return caps['pwr_watts_min']

	def get_power_max(self):
		caps = self.hendi.getCapabilties()
		return caps['pwr_watts_max']

	def activate(self, enable):
		self.is_active = enable
		if enable:
			self.hendi.setSwitch(1)
		else:
			self.hendi.setSwitch(0)

	def is_activated(self):
		s = self.hendi.getSwitch()
		return '1' in s

	def process(self):
		power_eff = self.power_set if self.is_active else 0
		self.hendi.setPowerWatts(power_eff)

	def setPower(self, power):
		self.power_set = max(self.get_power_min(), min(self.get_power_max(), power))

	def getPower(self):
		result = self.hendi.getPowerWatts()
		return result