"""MinIO 버킷 존재 + 읽기·쓰기 왕복."""
import io
import os

import django

os.environ.setdefault("DJANGO_SETTINGS_MODULE", "alpha.settings")
django.setup()

from django.conf import settings  # noqa: E402
from minio import Minio  # noqa: E402

client = Minio(
    settings.MINIO_ENDPOINT,
    access_key=settings.MINIO_ACCESS_KEY,
    secret_key=settings.MINIO_SECRET_KEY,
    secure=str(getattr(settings, "MINIO_USE_SSL", False)).lower() == "true",
)

buckets = [b.name for b in client.list_buckets()]
print("BUCKETS=%s" % ",".join(buckets))

target = getattr(settings, "MINIO_BUCKET", None) or "pi-continuum"
print("TARGET=%s" % target)

if target in buckets:
    key = "__airgap_verify.txt"
    data = b"airgap-verify"
    client.put_object(target, key, io.BytesIO(data), len(data))
    got = client.get_object(target, key).read()
    client.remove_object(target, key)
    print("RW=%s" % ("ok" if got == data else "mismatch"))
else:
    print("RW=no-bucket")