'''
Created on 8 apr 2019

@author: Emanuele Trabattoni
'''

import sys, logging, os
import datetime
import PyQt5.QtWidgets
from MKPrint_GUI import Ui_MainWindow
from printer import MarkoPrinter
import protocol


class MainWindow(PyQt5.QtWidgets.QMainWindow):
	def __init__(self, configFilePath, LOGGER):
		try:
			self.printer = MarkoPrinter(configFilePath, LOGGER)
		except FileNotFoundError as e:
			print("Configuration file error: {}".format(e))
			sys.exit(1)

		PyQt5.QtWidgets.QMainWindow.__init__(self)
		self.log = LOGGER
		self.ui = Ui_MainWindow()
		self.ui.setupUi(self)
		self.setFixedSize(self.maximumSize())
		self.setWindowTitle("Manda Etichette a Marcatrice")
		self.timer = PyQt5.QtCore.QTimer()
		self.ui.btn_connect.clicked.connect(self.toggla_connessione)
		self.ui.btn_upload.clicked.connect(self.upload)
		self.ui.btn_upload.setEnabled(False)
		self.ui.rad_dataOn.setChecked(True)
		self.ui.prg_inkLevel.setTextVisible(True)

	def toggla_connessione(self):
		connessa = self.printer.connected
		if connessa:
			connessa = self.printer.disconnetti()
		else:
			connessa = self.printer.connetti()
			
		if connessa:
			self.ui.btn_connect.setText("DISCONNETTI")
			self.ui.lbl_stat.setText("Connesso")
			self.printer.sendCommand(protocol.deleteMemory())
			self.timer.start(5000)
			self.timer.timeout.connect(self.keepalive)
		else:
			self.timer.stop()
			self.ui.lbl_stat.setText("Disconnesso")
			self.ui.btn_connect.setText("CONNETTI")
		self.updateStatusView()

	def updateStatusView(self):
		connessa = self.printer.connected
		self.ui.btn_upload.setEnabled(connessa)
		if connessa:
			self.ui.lbl_stat.setText("Ready")
			self.ui.prg_inkLevel.setValue(self.printer.headStatus["iuse"])
			self.ui.lcd_printCount.display(str(self.printer.headStatus["labelCnt"]))
		else:
			self.ui.prg_inkLevel.setValue(0)
			self.ui.lcd_printCount.display('0')

	def keepalive(self):
		# TODO: usare il primo argomento di keepalive (stato connessione) per aggiornare la ui
		_, statusUpdated = self.printer.keepalive()
		if statusUpdated:
			self.updateStatusView()
			pass

	def upload(self):
		if self.ui.rad_dataOn.isChecked():
			date = datetime.datetime.now()
			date = date.strftime(self.printer.data["dateformat"])
		else:
			date = ""
		descr = str(self.ui.txt_descr.toPlainText()).capitalize()
		self.printer.sendCommand(protocol.callPrintImage(imageName='TM1.00I',
														printMode='11',
														fieldContent = '{0}\r{1}'.format(self.ui.txt_model.text().upper(),date + descr)))
		r=self.printer.readResponse('callPrintImage')
		if protocol.checkResponse('callPrintImage', r):
			self.log.info("Caricamento Riuscito")
			self.ui.lbl_stat.setText(self.subChars(r))
		else:
			self.log.error("Caricamento Fallito")

	def quit(self):
		pass

	def subChars(self, s):
		subDict = {'\x02': "#STX ",
				'\x03': "#ETX ",
				'\x1B': "#ESC ",
				'\r': "#CR ",
				'\f': "#LF ",
				'\t': "#TAB ",
				'\x06': "#ACK ",
				'\x15': "#NACK "
			}
		out = ""
		for c in s:
			if c in subDict.keys():
				out += subDict[c]
			else:
				out += c
		return out

if __name__ == '__main__':
	app = PyQt5.QtWidgets.QApplication(sys.argv)
	configFilePath = "conf.json"
	print(os.getcwd())
	
	# Setup Logger
	LOGGER = logging.getLogger(__name__)
	LOGGER.setLevel(logging.DEBUG)
	LOGGER.propagate = False
	FORMATTER = logging.Formatter(("%(asctime)s|%(levelname)-7s|%(funcName)-10s|%(lineno)-3d: %(message)-50s"),\
									("%m-%d %H:%M:%S"))
	# Console Logging
	cl= logging.StreamHandler(sys.stdout)
	cl.setLevel(logging.DEBUG)
	cl.setFormatter(FORMATTER)
	LOGGER.addHandler(cl)
	
	window = MainWindow(configFilePath, LOGGER)
	window.show()
	sys.exit(app.exec_())