from brewpi_win import Ui_MainWindow
from PyQt5 import QtWidgets
import sys
from ws.client.ws_client import WsClient
from ws.message import MessageDispatcher
from queue import Queue
import asyncio
from ws.connection import IConnection


class Window(QtWidgets.QMainWindow, Ui_MainWindow):
	def __init__(self):
		QtWidgets.QMainWindow.__init__(self)
		loop = asyncio.new_event_loop()
		asyncio.set_event_loop(loop)
		self.msg_dispatch = MessageDispatcher(auto_subscribe=True, loop=loop)
		self.ws_client = WsClient(listener=self.msg_dispatch, loop=loop)
		self.msg_pot = self.msg_dispatch.msgio_get('Pot')
		self.msg_sensor = self.msg_dispatch.msgio_get('Sensor')
		self.msg_heater = self.msg_dispatch.msgio_get('Heater')

		self.msg_pot.set_recv_handler(self.on_pot_changed)
		self.msg_sensor.set_recv_handler(self.on_sensor_changed)
		self.msg_heater.set_recv_handler(self.on_heater_changed)

		self.setupUi(self)
		self.actionStart.triggered.connect(self.connect)
		self.actionStop.triggered.connect(self.disconnect)
		self.Slider.valueChanged.connect(self.on_slider_changed)
		self.send_data = Queue()

	def connect(self):
		self.ws_client.connect(uri="ws://localhost:8765")

	def disconnect(self):
		self.ws_client.disconnect()

	def on_slider_changed(self, value):
		print("on_slider_changed {}".format(value))
		self.msg_heater.send_from_thread({'Activate': 1, 'Power': value})

	async def on_pot_changed(self, msg):
		print("on_pot_changed {}".format(msg))
		if "Power" in msg:
			self.lcdNumber_2.display(msg['Power'])

	async def on_sensor_changed(self, msg):
		print("on_sensor_changed {}".format(msg))
		if "Temp" in msg:
			self.lcdNumber_3.display(str(msg['Temp']))

	async def on_heater_changed(self, msg):
		print("on_heater_changed {}".format(msg))
		for key in msg:
			if "Power" in key:
				self.lcdNumber.display(msg['Power'])
			elif "Capabilities" in key:
				submsg = msg['Capabilities']
				if "Power" in submsg:
					submsg = submsg['Power']
					self.Slider.setLowerBound(submsg['Min'])
					self.Slider.setUpperBound(submsg['Max'])

	def closeEvent(self, event):
		print("Exitting gracefully!")
		self.ws_client.disconnect()


if __name__ == '__main__':
	app = QtWidgets.QApplication(sys.argv)
	win = Window()
	win.show()
	sys.exit(app.exec_())

	print ("End of program.")