from opcua import Client, ua
import time
import tkinter
import socket

# Enter IP address for the OPC UA connection
print('Enter IP address:')
ipAddress = input()
url = "opc.tcp://" + str(ipAddress) + ":4840"
                # url = "opc.tcp://192.168.136.13:4840"

# Establish a connetion to the OPC UA server with IP address, user and password
client = Client(url)
client.set_user("Maintenance")
client.set_password("main")
client.connect()
print("client conneted")

# Array for the Binary coded Port. Every bit is one Port 00000000
arrPort = [1, 2, 4, 8, 16, 32, 64, 128]
try:
    while True:
        # Enter The number of the Port (between 1 and 8)
        print('Enter Port (1 to 8):')
        inpPort = int(input()) - 1

        # Enter the number of the Pin (Pin2 or Pin4)
        print('Enter Pin (2 or 4):')
        intPin = int(input())
        choosenPort = arrPort[inpPort]

        # Call function OPC UA to get the force ID
        method_forceID = client.get_node("ns=7; i=200")
        parent_forceID = client.get_node("ns=7;i=8")
        output_forceID = parent_forceID.call_method(method_forceID)
        force_ID = output_forceID[0]
        time.sleep(1)

        # Call function OPC UA to write the forceID, the forceMask and the forceData
        if intPin == 2:
            method_output = client.get_node("ns=7; i=203")
        if intPin == 4:
            method_output = client.get_node("ns=7; i=206")
        parent_output = client.get_node("ns=7;i=8")
        inp1 = ua.Variant(force_ID, ua.VariantType.UInt32)
        inp2 = ua.Variant(255, ua.VariantType.Byte)
        inp3 = ua.Variant(choosenPort, ua.VariantType.Byte)
        out = parent_output.call_method(method_output, inp1, inp2, inp3)
	client.disconnect()        
	time.sleep(15)