# ============================================================+
# Identity IoT — Node: Access Control
# (c) Copyright : ae Aeonian Engineering Limited - Hong Kong
# (c) Copyright : WIDE di D. Papa - Naples - Italy
# ============================================================+
# Reads NTAG424 badge via PN532, performs challenge/verify
# against identity_tag backend.
# ============================================================+

import utime


def run_access_control(cfg, caps):
    """Main loop for access_control node type. Called from boot_manager."""
    print('[access_control] starting — NFC:', caps.get('has_nfc'))

    if not caps.get('has_nfc'):
        print('[access_control] ERROR: no NFC hardware detected')
        while True:
            utime.sleep(60)

    # TODO: init PN532
    # TODO: wait for badge tap
    # TODO: read UID from NTAG424
    # TODO: challenge/verify against cfg['identity_tag_url']
    # TODO: trigger relay on success if has_relay

    while True:
        print('[access_control] waiting for badge...')
        utime.sleep(2)