import cv2
from datetime import datetime, timedelta
from pytz import timezone
from server.nightr.util import Context, Prediction


def camImgStrat(context : Context) -> Prediction:
    """
    The contents of the camera image
    """
    img = cv2.imread('night.jpg',0)
    average = img.mean(axis=0).mean(axis=0)
    print(average)
    p = Prediction()
    if average < 100: 
        p.probability = 1.0
        p.reasons.append('Image was dark')
    else:
        p.reasons.append('Image was light')
        p.probability = 0.0
    return p

def australiaStrat(context : Context) -> Prediction:
    """
    Time in Australia
    """
    australia = timezone('Australia/Melbourne')
    t = datetime.now().astimezone(australia)
    hour = t.hour
    p = Prediction()
    if hour > 22 or hour < 6:
        p.probability = 1.0
        p.reasons.append('It\'s day-time in Australia')
    else:
        p.probability = 0.0
        p.reasons.append('It\'s night-time in Australia')
    return p