#!/usr/bin/env python3
# ~/.local/bin/maildir2vcf
import email, os, sys, pathlib, fileinput

MAILDIR = pathlib.Path.home()/ "Mail"          # ← change if your mail sits elsewhere
OUTDIR  = pathlib.Path.home()/ ".contacts_mail"
OUTDIR.mkdir(exist_ok=True)

seen = set()                                   # de-duplicate on lower-case e-mail

def vcard(name, mail):
    safe_name = name.replace(";", " ").strip() or "No Name"
    safe_mail = mail.strip().lower()
    if safe_mail in seen:                      # already exported
        return
    seen.add(safe_mail)
    fn = OUTDIR/f"{safe_mail}.vcf"
    fn.write_text(f"""\
BEGIN:VCARD
VERSION:3.0
FN:{safe_name}
EMAIL:{safe_mail}
END:VCARD
""")

def addresses_from_msg(path):
    with open(path, "rb") as f:
        msg = email.message_from_binary_file(f)
    for hdr in ("From", "To", "Cc", "Bcc"):
        for addr in email.utils.getaddresses(msg.get_all(hdr, [])):
            name, mail = addr
            if "@" in mail:
                vcard(name, mail)

# walk cur/ + new/  (typical Maildir layout)
for sub in ("cur", "new"):
    for root, _, files in os.walk(MAILDIR/sub):
        for file in files:
            if file.startswith("."):
                continue
            addresses_from_msg(pathlib.Path(root)/file)

print("Exported", len(seen), "unique addresses →", OUTDIR)