"""API blueprint registration."""

import time

from flask import Blueprint, current_app

bp = Blueprint("api", __name__)

# Throttle cleanup to run at most once per hour
_last_cleanup = 0
_CLEANUP_INTERVAL = 3600  # 1 hour


@bp.before_request
def cleanup_expired():
    """Periodically clean up expired pastes."""
    global _last_cleanup

    now = time.time()
    if now - _last_cleanup < _CLEANUP_INTERVAL:
        return

    _last_cleanup = now

    from app.database import cleanup_expired_pastes

    count = cleanup_expired_pastes()
    if count > 0:
        current_app.logger.info(f"Cleaned up {count} expired paste(s)")


from app.api import routes  # noqa: E402, F401