# IMPORTS
import smtplib, ssl, sys, requests, csv, time
sys.path.append("./env.py")
from env import serveurMailPassword, serveurPort, serveurSmtp, serveurAdrresseMail, mailReception

from email.mime.multipart import MIMEMultipart 
from email.mime.text import MIMEText 
from email.mime.application import MIMEApplication

is_in_alert = False
time_limit = 100  # POUR LE TEMPS ENTRE CHAQUES MAILS UNE FOIS L'ALERTE DÉCLENCHÉE UNE PREMIÈRE FOIS

# FONCTION IMPORT URL FROM CSV + TEST REQUEST
def test_url():

    print(time.ctime())
    urls_hs = []
    with open('./url.csv', newline='') as file:
        reader = csv.reader(file)
        for row in reader:
            addr = str(row)
            url = addr.strip('[]')
            try:
                response = requests.get(url.strip('"\''))
                if response.status_code != 200:
                    urls_hs.append(url)
                    print(url + ' est hors service')
                else:
                    print(url + ' / ' + str(response.status_code))
            except Exception as e:
                urls_hs.append(url)
                print(str(e))

    return urls_hs

# FONCTION SEND MAIL
def send_mail(urls_hs):

    # EN-TETE EMAIL
    message = MIMEMultipart('mixed')
    message['From'] = serveurAdrresseMail
    message['To'] = mailReception
    message['CC'] = ''
    message['Subject'] = 'Attention, un ou plusieurs site(s) semble(nt) hors service'

    # CONTENU (TEXT)
    if urls_hs:
        for url in urls_hs:
            mail = " ".join(urls_hs)
            contenu = '<h4>Bonjour, voici la liste du ou des sites HS: {mail} <br></h4>\n'.format(mail=mail)

        body = MIMEText(contenu, 'html')
        message.attach(body)

        # CONVERSION EN CHAINE DE CARACTERES
        mail_str = message.as_string()
        context = ssl.create_default_context()

        # ENVOIE DU MAIL
        with smtplib.SMTP_SSL(serveurSmtp, serveurPort, context=context) as server:
            server.login(serveurAdrresseMail, serveurMailPassword)
            server.sendmail(serveurAdrresseMail,
                        mailReception,
                        mail_str)
            server.quit()

        # ALERTE = TRUE
        is_in_alert = True
        time_stamp = time.ctime()

    else:
        print('Tout est OK ;)')
        is_in_alert = False
        print(is_in_alert)

# CHECK TIMER FONCTIONS
def check_timer(time_stamp, current_time):
    if current_time - time_stamp > time_limit:
        print(current_time - time_stamp)
        resend = True
    else:
        resend = False
        print(current_time - time_stamp)
    
    return resend

# FONCTION CHECK IF MAIL ALREADY SEND
def check_alert():
    if is_in_alert:

        # CHECK si timer > 1 heure
        resend = check_timer(time_stamp, time.ctime())
        if resend:
            urls = test_url()
            send_mail(urls)
          
    else:
        urls = test_url()
        send_mail(urls)

# MAIN (A)
check_alert()


# PYTHON TIME (B)
# while True:
#     urls = test_url()
#     send_mail(urls)

#     time.sleep(300)