print("Connecting to pi")

import grpc
from concurrent import futures
import motorService_pb2_grpc
from motorService_pb2 import ThrottleRequest
import time

throttle = 0
timer = None

class ThrottleIterator:
    '''
    Class to get the current throttle for the car.
    Will return a random throttle between 
    '''
    def __iter__(self):
       return self

    def __next__(self):
        if throttle > 1 or throttle < -1:
            raise StopIteration
        time.sleep(1)
        return ThrottleRequest(throttle=throttle)


channel = grpc.insecure_channel('10.0.0.53:50051')
stub = motorService_pb2_grpc.CarControlStub(channel)

stub.SetThrottle(ThrottleIterator())

while True:
    inp = int(input('Please enter a value for the throttle between -100 and 100'))
    throttle = inp / 100