#!/usr/bin/python3
# -*- coding: utf-8 -* 
#Bertrand Vandeportaele 2021
import os
import sys
from PyQt4.QtGui import *
from PyQt4.QtNetwork import *
from PyQt4.QtCore import *
from PyQt4 import *
import re #pour découpage chaine comme sur https://stackoverflow.com/questions/2175080/sscanf-in-python
 
 
global numeroPremiereDonneeCapteur
#TODO: donner une valeur à cette variable en fonction de votre numéro d'étudiant
numeroPremiereDonneeCapteur=156
 
global etatBouton
etatBouton=0
global slider1Value
slider1Value=0
global slider2Value
slider2Value=0
 
global led0Button
################################################################################
def close():
  print('close')
  exit(0)
################################################################################
def commutTimer():
  global timer
  print('commutTimer')
  if timer.isActive():
     timer.stop()
     commutTimerButton.setText('start stream sensor')
  else:
     timer.start()
     commutTimerButton.setText('stop stream sensor')
################################################################################
def slider1ValueChanged( value ):
  #label.setText( str( value )
  global numeroPremiereDonneeCapteur
  global labelSlider1Value
  global slider1Value
  slider1Value=value
  labelSlider1Value.setText( str( numeroPremiereDonneeCapteur+5)+" :  {:6d}".format(slider1Value) ) 
  print('changed')
################################################################################
def slider2ValueChanged( value ):
  #label.setText( str( value )
  global numeroPremiereDonneeCapteur  
  global labelSlider2Value
  global slider2Value
  slider2Value=value
  labelSlider2Value.setText( str( numeroPremiereDonneeCapteur+6)+" : {:6d}".format(slider2Value) )
  print('changed')
################################################################################
def bouton0():
  global numeroPremiereDonneeCapteur 
  global labelButtonValue
  global led0Button
  global  etatBouton 
  etatBouton=(etatBouton+1)%2
  if etatBouton==0:
    led0Button.setText('Activer la sortie TOR')
  else:
    led0Button.setText('Desactiver la sortie TOR')
  labelButtonValue.setText( str( numeroPremiereDonneeCapteur+2)+" : {:6d}".format(etatBouton) ) 
  print('etatBouton: '+ str(etatBouton) +" \n");
################################################################################
def sendUDP(i):
  global udpSocket
  global destIP
  global portOut
  DestIP = QHostAddress(destIP);
  global slider1Value
  global slider2Value
  global etatBouton
  global numeroPremiereDonneeCapteur
#  chaine=str(slider1Value)+ " " + str(slider2Value) 
#ajout @MAC bidon
#  chaine="00:00:00:00:00:00 "+str(slider1Value)+ " " + str(slider2Value) 
#ajout champs vides pour être compatible avec le joystick wifi
#@MAC: BC:DD:C2:FE:6F:F0 num: 0 0 -> 529.0 , 1 -> 534.0 , 2 -> 0.0 , 3 -> 0.0 , 4 -> 0.0 , 5 -> -73.0 , 6 -> 63.0 , 
  chaine="00:00:00:00:00:00 "+str(numeroPremiereDonneeCapteur)+" 0 0 "+str(etatBouton)+" 0 0 "+str(slider1Value)+ " " + str(slider2Value) 
 
#chaines bidons pour générer erreur de parsing sur le serveur
#  chaine="00:00:00:00:00:00 0 0 0 "+"687f"+" 0 0 "+str(slider1Value)+ " " + str(slider2Value) 
 
  chaine=chaine+chr(13)+chr(10)
  print("la chaine envoyée est: "+chaine)
  udpSocket.writeDatagram(chaine,DestIP, portOut);
################################################################################
def timerUpdate():
  sendUDP(0)
################################################################################ 
 
global led0Button
#destIP='192.168.1.50' #pc simulateur
#destIP='192.168.0.112' #pc simulateur
#destIP='192.168.1.49' #pc serveur rapid connecté en filaire à réseau AIP
#destIP='127.0.0.1' #pc serveur sur la boucle locale
#destIP='192.168.3.5' #pc serveur rapid connecté en wifi à réseau AIP
destIP='192.168.3.4' #pc serveur rapid connecté en ethernet à réseau AIP
 
 
portOut=10000
posx=10
posy=10
sizex=500
sizey=150
################################################################################ 
app = QApplication(sys.argv)
w=QDialog() 
statusLabel =QLabel('En attente de datagrammes UDP depuis le PIC32')
commutTimerButton=QPushButton('stop stream sensor')
quitButton = QPushButton('&Quit')
led0Button = QPushButton('Activer la sortie TOR')
 
udpSocket =QUdpSocket()
udpSocket.bind(portOut, QUdpSocket.ShareAddress) 
 
app.connect(quitButton,QtCore.SIGNAL('clicked()'), close)
app.connect(commutTimerButton,  QtCore.SIGNAL('clicked()'), commutTimer)
app.connect(led0Button,QtCore.SIGNAL('clicked()'), bouton0)
buttonLayout =QHBoxLayout()
buttonLayout.addStretch(1)
buttonLayout.addWidget(quitButton)
buttonLayout.addWidget(commutTimerButton)
buttonLayout.addStretch(1)

global labelButtonValue
labelButtonValue=QLabel( )
labelButtonValue.setGeometry(250, 50, 50, 35)
#labelButtonValue.setText( "x: "+str(0 ) )  
labelButtonValue.setText( str( numeroPremiereDonneeCapteur+2)+" : {:6d}".format(0) ) 

button1Layout =QHBoxLayout()
button1Layout.addStretch(1)
button1Layout.addWidget(labelButtonValue)
button1Layout.addStretch(1)
button1Layout.addWidget(led0Button)
button1Layout.addStretch(1)
 

####################################################"" 
#http://koor.fr/Python/CodeSamplesQt/PyQtSlider.wp
slider1 = QSlider(Qt.Horizontal);  
amplitude=1800;
slider1.setMinimum(-amplitude/2)
slider1.setMaximum(amplitude/2)
slider1.setGeometry( 10, 10, 600, 40 )
slider1.valueChanged.connect(slider1ValueChanged )
slider1.setValue( 0 )
global labelSlider1Value
labelSlider1Value=QLabel( )
labelSlider1Value.setGeometry(250, 50, 50, 35)
#labelSlider1Value.setText( "x: "+str(0 ) )
labelSlider1Value.setText( str( numeroPremiereDonneeCapteur+5)+" : {:6d}".format(0) ) 
slider1Layout =QHBoxLayout()
slider1Layout.addWidget(labelSlider1Value)
slider1Layout.addWidget(slider1)
 
 
#labelSlider1Value=QLabel( )
#labelSlider1Value.setGeometry(250, 50, 50, 35)
#labelSlider1Value.setText( str( slider1.getValue() ) )
sliderLayout =QHBoxLayout()
sliderLayout.addStretch(1)
sliderLayout.addWidget(slider1)
sliderLayout.addStretch(1)
#sliderLayout.addWidget(labelSlider1Value)
#sliderLayout.addStretch(1)
 
 
slider2 = QSlider(Qt.Horizontal); 
slider2.setMinimum(-amplitude/2)
slider2.setMaximum(amplitude/2)
 
slider2.setGeometry( 10, 10, 600, 40 )
slider2.valueChanged.connect(slider2ValueChanged )
slider2.setValue( 0 )
global labelSlider2Value
labelSlider2Value=QLabel( )
labelSlider2Value.setGeometry(250, 50, 50, 35)
#labelSlider2Value.setText( "Y: "+str(0 ) )
labelSlider2Value.setText( str( numeroPremiereDonneeCapteur+6)+" : {:6d}".format(0) ) 
slider2Layout =QHBoxLayout()
slider2Layout.addWidget(labelSlider2Value)
slider2Layout.addWidget(slider2)
 
sliderLayout.addWidget(slider2)
sliderLayout.addStretch(1)
 
mainLayout = QVBoxLayout()
mainLayout.addLayout(buttonLayout)
mainLayout.addLayout(button1Layout)
mainLayout.addLayout(slider1Layout)
mainLayout.addLayout(slider2Layout)  

mainLayout.addWidget(statusLabel)
w.setLayout(mainLayout)
chaine='@BVDP2021: Port Em '+str(portOut) +' vers IP: '+str(destIP)
w.setWindowTitle(chaine)
 
#timer adapted from example 1 of https://www.programcreek.com/python/example/52106/PyQt4.QtCore.QTimer
timer = QtCore.QTimer()
app.connect(timer,  QtCore.SIGNAL('timeout()'), timerUpdate)
timer.setInterval(100)
timer.start()
 
w.setGeometry(posx,posy,sizex,sizey)
#donne le focus au bouton 1
led0Button.setDefault(True)
 
w.show()
app.exec_()