"""
Usage limit enforcement functions.
Extracted from usage_tracking_service.py for better maintainability.
"""

from typing import Tuple, Dict, Any
from datetime import datetime, timedelta
from sqlalchemy.orm import Session
from loguru import logger

from models.subscription_models import APIProvider
from services.subscription.pricing_service import PricingService


def enforce_usage_limits(user_id: str, provider: APIProvider, 
                        tokens_requested: int, db: Session, 
                        pricing_service: PricingService) -> Tuple[bool, str, Dict[str, Any]]:
    """Enforce usage limits before making an API call."""
    # Check short-lived cache first (30s)
    cache_key = f"{user_id}:{provider.value}"
    now = datetime.utcnow()
    
    # This would need access to self._enforce_cache
    # For now, keeping the structure
    
    result = pricing_service.check_usage_limits(
        user_id=user_id,
        provider=provider,
        tokens_requested=tokens_requested
    )
    
    # Cache the result
    # self._enforce_cache[cache_key] = {
    #     'result': result,
    #     'expires_at': now + timedelta(seconds=30)
    # }
    
    return tuple(result)