from fastapi import Depends, Query
from typing import Optional
import yaml
import logging

logger = logging.getLogger(__name__)

def load_config() -> dict:
    """Load configuration from YAML file"""
    try:
        with open('api/config.yaml', 'r') as file:
            return yaml.safe_load(file)
    except Exception as e:
        logger.error(f"Failed to load configuration: {e}")
        raise

# Global configuration
config = load_config()

def get_config() -> dict:
    """Dependency to get application configuration"""
    return config

class PaginationParams:
    def __init__(
        self,
        skip: int = Query(0, ge=0, description="Number of items to skip"),
        limit: int = Query(20, ge=1, le=100, description="Number of items to return")
    ):
        self.skip = skip
        self.limit = limit

def get_pagination_params(params: PaginationParams = Depends()) -> PaginationParams:
    """Dependency for pagination parameters"""
    return params