import argparse
import csv
import gzip
import sys


def domains(path):
    with gzip.open(path, "rt", encoding="utf-8") as source:
        for line in source:
            domain = line.strip().lower().rstrip(".")
            if domain:
                yield domain

parser = argparse.ArgumentParser(description="Find keyword matches for security review")
parser.add_argument("file")
parser.add_argument("--terms", nargs="+", required=True)
args = parser.parse_args()
writer = csv.writer(sys.stdout)
writer.writerow(["domain", "matched_terms"])
for domain in domains(args.file):
    matches = [term for term in args.terms if term.lower() in domain]
    if matches:
        writer.writerow([domain, ";".join(matches)])