"""
Copyright 2024-2026 ChatterMate

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

AI-ticketing plan gating: paid-plan feature on cloud, unrestricted for
OSS/self-hosted. Thin wrappers over the generic feature gate (the
help-center pattern).
"""

from uuid import UUID

from sqlalchemy.orm import Session

from app.services.feature_gate import check_feature_access, feature_allowed

AI_TICKETING_FEATURE = "ai_ticketing"

UPGRADE_MESSAGE = (
    "AI Ticketing is not available in your current plan. "
    "Please upgrade to access this feature."
)


def ticketing_allowed(db: Session, organization_id: UUID) -> bool:
    """Non-raising check — used by the chat-agent tool assembly and workers.
    Fails closed on gating errors."""
    return feature_allowed(db, organization_id, AI_TICKETING_FEATURE)


def check_ticketing_access(db: Session, organization_id: UUID) -> None:
    """Raising check for admin endpoints (403 with the upgrade message)."""
    check_feature_access(db, organization_id, AI_TICKETING_FEATURE, UPGRADE_MESSAGE)