#IMPORT LIBRARIES AND INTERFACE--------------------
from QTpy import *
import serial

#INTERFACE CLASS--------------------
class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
    def __init__(self, *args, **kwargs):
        QtWidgets.QMainWindow.__init__(self, *args, **kwargs)
        self.setupUi(self)
        
        #ESTABLISH CONNECTION----------------------
        self.serial = serial.Serial('COM3',9600)
        
        #VARIABLES--------------------------------
        self.command=0
        self.speed1=600
        self.speed2=600
        self.fanvalue=0
        self.ledvalue=0
        self.x=0
        
        #INTERACTIONS MOTOR 1---------------------------------
        self.B1.clicked.connect(self.motor1_right)
        self.B2.clicked.connect(self.motor1_left)
        self.B3.clicked.connect(self.motor1_move)
        self.slider1.valueChanged.connect(self.motor1_speed)
        
        #INTERACTIONS MOTOR 2--------------------------------
        self.B4.clicked.connect(self.motor2_right)
        self.B5.clicked.connect(self.motor2_left)
        self.B6.clicked.connect(self.motor2_move)
        self.slider2.valueChanged.connect(self.motor2_speed)
        
        #INTERACTIONS SPEED BUTTON---------------------------------
        self.Bspeed.clicked.connect(self.send)
        
        #INTERACTIONS FAN---------------------------------
        self.fan.clicked.connect(self.fanstate)
        
        #INTERACTIONS LED---------------------------------
        self.BLED.clicked.connect(self.ledstate)
        
    #FUNCTIONS-----------------------------------------

    #DIRECTION MOTOR 1---------------------------------
    def motor1_right(self):
        self.command = 7
        self.send()  
        self.command = 8 #Reset to neutral value

    def motor1_left(self):
        self.command = 2 
        self.send()   
        self.command = 8 #Reset to neutral value

    #TOGGLE MOTOR 1 START/STOP--------------------------------- 
    def motor1_move(self): 
        self.command = 5
        self.send() 
        if self.B3.styleSheet() == "background-color: rgb(136, 4, 6);""font: 8pt 'Roboto';""border-radius: 10px;":
            self.B3.setStyleSheet("background-color: rgb(8, 96, 211);""font: 8pt 'Roboto';""border-radius: 10px;")
            self.B3.setText("START") #change button text to START
        else:
            self.B3.setText("STOP") #change button text to STOP
            self.B3.setStyleSheet("background-color: rgb(136, 4, 6);""font: 8pt 'Roboto';""border-radius: 10px;")    
        self.command = 8 #Reset to neutral value 
    
    #CHANGE MOTOR 1 Speed--------------------------------- 
    def motor1_speed(self): 
        self.speed1=self.slider1.value()
        self.Slider1_value.display(self.speed1) #display on LCD speed value
    
    #DIRECTION MOTOR 2---------------------------------
    def motor2_right(self):
        self.command = 3  
        self.send()  
        self.command = 8 #Reset to neutral value

    def motor2_left(self):
        self.command = 4
        self.send() 
        self.command = 8 #Reset to neutral value 

    #TOGGLE MOTOR 2 START/STOP---------------------------------     
    def motor2_move(self):
        self.command = 6 
        self.send() 
        if self.B6.styleSheet() == "background-color: rgb(136, 4, 6);""font: 8pt 'Roboto';""border-radius: 10px;":
            self.B6.setText("START") #change button text to START
            self.B6.setStyleSheet("background-color: rgb(8, 96, 211);""font: 8pt 'Roboto';""border-radius: 10px;")
        else:
            self.B6.setStyleSheet("background-color: rgb(136, 4, 6);""font: 8pt 'Roboto';""border-radius: 10px;")
            self.B6.setText("STOP") #change button text to STOP
        self.command = 8 #Reset to neutral value  
    
    #CHANGE MOTOR 2 Speed--------------------------------- 
    def motor2_speed(self):
        self.speed2=self.slider2.value() 
        self.Slider1_value_2.display(self.speed2) #display on LCD speed value

    #TOGGLE ON/OFF FAN--------------------------------- 
    def fanstate(self):
        self.fanvalue = 1
        self.send()
        self.fanvalue = 0 #Reset to neutral value
        if self.fan.styleSheet() == "background-color: rgb(136, 4, 6);""font: 8pt 'Roboto';""border-radius: 10px;":
            self.fan.setStyleSheet("background-color: rgb(8, 96, 211);""font: 8pt 'Roboto';""border-radius: 10px;")
            self.fan.setText("ON")
        else:
            self.fan.setText("OFF") 
            self.fan.setStyleSheet("background-color: rgb(136, 4, 6);""font: 8pt 'Roboto';""border-radius: 10px;") 
    
    #TOGGLE ON/OFF LED--------------------------------- 
    def ledstate(self):
        self.ledvalue = 1
        self.send()
        self.ledvalue = 0 #Reset to neutral value
        if self.BLED.styleSheet() == "background-color: rgb(136, 4, 6);""font: 8pt 'Roboto';""border-radius: 10px;":
            self.BLED.setStyleSheet("background-color: rgb(8, 96, 211);""font: 8pt 'Roboto';""border-radius: 10px;")
            self.BLED.setText("ON") #change button text to ON
        else:
            self.BLED.setText("OFF") #change button text to OFF
            self.BLED.setStyleSheet("background-color: rgb(136, 4, 6);""font: 8pt 'Roboto';""border-radius: 10px;") 
        self.leer()
          
    #SEND VARIABLES THROUGH SERIAL--------------------------------- 
    def send(self):
        data=f"{self.command},{self.speed1},{self.speed2},{self.fanvalue},{self.ledvalue}"
        encoded_data = data.encode()
        print(encoded_data.decode())
        self.serial.write(encoded_data)
    
    #READ SERIAL TO INDICATE IF EXTRUDER ON OR OFF----------------- 
    def leer(self):
        self.x=self.serial.readline()
        self.TEM.display(int(self.x)) #change LCD Screen
        
    
        
    
#APPLICATION START-------------------
if __name__ == '__main__':
    app = QtWidgets.QApplication([])
    window = MainWindow()
    window.show()
    app.exec()
interfaz1.py
