#!/usr/local/bin/python3

import sys

sys.path.append("/srv/newsblur")

import socket

import requests

from newsblur_web import settings


def main():
    hostname = socket.gethostname()
    admin_email = settings.ADMINS[0][1]

    r = requests.get(
        "https://api.mailgun.net/v3/newsletters.newsblur.com/stats/total",
        auth=("api", settings.MAILGUN_ACCESS_KEY),
        params={"event": ["accepted", "delivered", "failed"], "duration": "2h"},
    )
    stats = r.json()["stats"][0]
    delivered = stats["delivered"]["total"]
    accepted = stats["delivered"]["total"]
    bounced = stats["failed"]["permanent"]["total"] + stats["failed"]["temporary"]["total"]
    if bounced / float(delivered) > 0.5 and bounced > 100:
        requests.post(
            "https://api.mailgun.net/v2/%s/messages" % settings.MAILGUN_SERVER_NAME,
            auth=("api", settings.MAILGUN_ACCESS_KEY),
            data={
                "from": "NewsBlur Newsletter Monitor: %s <admin@%s.newsblur.com>" % (hostname, hostname),
                "to": [admin_email],
                "subject": "%s newsletters bounced (2h): %s/%s accepted/delivered -> %s bounced"
                % (hostname, accepted, delivered, bounced),
                "text": "Newsletters are not being delivered! %s delivered, %s bounced"
                % (delivered, bounced),
            },
        )
        print(" ---> %s newsletters bounced: %s > %s > %s" % (hostname, accepted, delivered, bounced))
    else:
        print(" ---> %s newsletters OK: %s > %s > %s" % (hostname, accepted, delivered, bounced))


if __name__ == "__main__":
    main()