import numpy as np
import cv2
import smtplib
import imghdr
from email.message import EmailMessage



face_cascade = cv2.CascadeClassifier('face.xml')
eye_cascade = cv2.CascadeClassifier('eye.xml')

msg=EmailMessage()
msg['Subject']='Test for sending a email via python '
msg['From']='email'
msg['To']='email'
msg.set_content('Alert ! Security system activated ')



cap = cv2.VideoCapture(0)

#This function execution takes considerable amount of time
def send_email():
    print("inside_send_email")
    with open('introduer.jpeg','rb') as f:
        file_data = f.read()
        file_type = imghdr.what(f.name)
        file_name = f.name

    msg.add_attachment(file_data,maintype='image',subtype=file_type,filename=file_name)
    with smtplib.SMTP_SSL('smtp.gmail.com',465) as smtp:
        smtp.login("email","password")

        smtp.send_message(msg)

while 1:


    ret, img = cap.read()
    gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
    faces = face_cascade.detectMultiScale(gray, 1.3, 5)

    for (x,y,w,h) in faces:
        cv2.rectangle(img,(x,y),(x+w,y+h),(255,0,0),2)
        roi_gray = gray[y:y+h, x:x+w]
        roi_color = img[y:y+h, x:x+w]

        cv2.imwrite('introduer.jpeg', img)

        eyes = eye_cascade.detectMultiScale(roi_gray)
        for (ex,ey,ew,eh) in eyes:
            cv2.rectangle(roi_color,(ex,ey),(ex+ew,ey+eh),(0,255,0),2)
            send_email()
    cv2.imshow('img',img)


    key = cv2.waitKey(1) & 0xFF
    if key == ord("q"):
        break
    # k = cv2.waitKey(30) & 0xff
    # if k == 27:
    #     break

cap.release()

cv2.destroyAllWindows()