from components.aplant import APlant
from components.plant.delay import Delay


class Pot(APlant):
	def __init__(self, dt, params, theta_amb=20):
		APlant.__init__(self)
		self.dt = dt

		self.e = 0
		self.x = 0
		self.gain = 0.999

		self.C = params['C']
		self.M = params['M']
		self.L = params['L']
		self.Td = params['Td']
		self.kn = params['kn']
		self.temp = 0
		self.temp_intermediate = params['theta']

		self.theta_amb = theta_amb

		self.power_set = 0
		self.delay = Delay(self.dt, self.Td, params['theta'])

	def activate(self, enable):
		pass

	def process(self):
		leak = 1/self.M * self.L * (self.theta_amb - self.temp)/self.theta_amb
		self.temp_intermediate += (self.power_set / (self.M * self.C) + leak) * self.dt

		# Delay
		self.delay.put(self.temp_intermediate)
		self.temp = self.delay.get()

	def is_activated(self):
		return True

	def set_power(self, power):
		self.power_set = power

	def get_power(self):
		return round(self.power_set, 1)

	def get_temperature(self):
		return self.temp

	def get_temperature_intermediate(self):
		return self.temp_intermediate