import re

from pymongo import MongoClient
from settings import DEST_DATABASE_URL


if __name__ == '__main__':
    with open("CREDENTIALS") as f:
        credentials = f.read().strip()

    client = MongoClient(DEST_DATABASE_URL.replace("$(cat CREDENTIALS)", credentials))
    db = client.linkedin_data
    coll = db.contact_raw

    counts = {"total": 0, "with_email": 0}

    for rec in coll.find({}, {"summary": 1}).sort("$natural", -1):
        counts["total"] += 1

        if rec.get("summary"):
            emails = re.findall(r'\S+@\w+\.\w+', str(rec["summary"]))
            if emails:
                print(emails)
                counts["with_email"] += 1

        if counts["total"] % 1000 == 0:
            print(counts)

# {'total': 6400000, 'with_email': 43571}
# 11,000,000 records, .006807969, 75k emails