"""IMAP-Verbindungs-Test"""
import imaplib
import os
import email

IMAP_HOST = os.getenv("IMAP_HOST", "imap.strato.de")
IMAP_PORT = int(os.getenv("IMAP_PORT", 993))
IMAP_USER = os.getenv("IMAP_USER", "info@c-stone-dev.com")
IMAP_PASSWORD = os.getenv("IMAP_PASSWORD", "hH22761,018!")

print(f"Teste IMAP-Verbindung zu {IMAP_HOST}:{IMAP_PORT}")
print(f"Benutzer: {IMAP_USER}")

try:
    mail = imaplib.IMAP4_SSL(IMAP_HOST, IMAP_PORT)
    result, data = mail.login(IMAP_USER, IMAP_PASSWORD)
    print(f"Login erfolgreich: {result}")

    result, folders = mail.list()
    print(f"Ordner:")
    for folder in folders[:10]:  # Erste 10 Ordner
        print(f"  {folder.decode()}")

    # INBOX auswählen
    result, data = mail.select("INBOX")
    if result == "OK":
        result, data = mail.search(None, 'ALL')
        if result == "OK":
            email_ids = data[0].split()
            print(f"\nINBOX enthält {len(email_ids)} Emails")

            # Letzte 5 Emails anzeigen
            for email_id in email_ids[-5:]:
                result, msg_data = mail.fetch(email_id, '(RFC822.HEADER)')
                if result == "OK":
                    msg = email.message_from_bytes(msg_data[0][1])
                    subject = msg.get("Subject", "Kein Betreff")
                    from_addr = msg.get("From", "Unbekannt")
                    print(f"  Email {email_id.decode()}: {from_addr} - {subject}")

    mail.logout()
    print("\n✅ IMAP-Verbindung erfolgreich!")

except imaplib.IMAP4.error as e:
    print(f"❌ IMAP-Fehler: {e}")
except Exception as e:
    print(f"❌ Fehler: {e}")