'Return the minimum temperature.'

@property
def min_temp(self):

    minimum = 7
    min_min = self.wink.min_min_set_point()
    min_max = self.wink.min_max_set_point()
    return_value = minimum
    if (self.current_operation == STATE_HEAT):
        if min_min:
            return_value = min_min
        else:
            return_value = minimum
    elif (self.current_operation == STATE_COOL):
        if min_max:
            return_value = min_max
        else:
            return_value = minimum
    elif (self.current_operation == STATE_AUTO):
        if (min_min and min_max):
            return_value = min(min_min, min_max)
        else:
            return_value = minimum
    else:
        return_value = minimum
    return return_value
