#!/usr/bin/python3

import time
import json
from controller import Controller
from mass import Mass
from stirrer import Stirrer
from matplotlib.pyplot import figure, clf, plot, xlabel, ylabel, xlim, ylim, title, grid, axes, show, subplot
from pololu1376 import Pololu1376

def results_plot(self):

	figure(1)
	subplot(4, 1, 1)
	plot(self.time_v, self.theta_v, 'b-', linewidth=1)
	title('Temperature')
	grid(True)
	ylabel('°C')
	subplot(4, 1, 2)
	plot(self.time_v, self.power_v, 'r-', linewidth=1)
	title('Power')
	grid(True)
	ylabel('W')
	subplot(4, 1, 3)
	plot(self.time_v, self.error_v, 'b-', linewidth=1)
	title('Error')
	grid(True)
	ylabel('°C')
	subplot(4, 1, 4)
	plot(self.time_v, self.heatrate_v, 'r-', linewidth=1)
	title('Heatrate')
	grid(True)
	ylabel('°C/min')
	xlabel('t/min')
	show()


if __name__ == '__main__':

	fp = open("brewpi.cfg.json")
	configJson = json.load(fp)

	plant = Mass(configJson["WaterSim"])
#	ruehrer = Stirrer(configJson["Controller"]['dt'])
	ruehrer = Pololu1376(configJson["Controller"]['dt'], "/dev/ttyACM0", "115200")

	ablauf = Controller(configJson["Controller"], plant, ruehrer)

	fp = open("Rezept-001.json")
	recipeJson = json.load(fp)

	ablauf.start(recipeJson)
	ablauf.wait_finished()

	results_plot(ablauf)

	print ("End of program.")