"""
Data processing module.
"""

from typing import Dict, Any, List
from .config import AppConfig


class DataProcessor:
    """Processes data according to configuration."""

    def __init__(self, config: AppConfig):
        self.config = config
        self.cache: Dict[str, Any] = {}

    def process_data(self, data: Dict[str, Any]) -> Dict[str, Any]:
        """Process input data."""
        cache_key = str(data)

        if cache_key in self.cache:
            return self.cache[cache_key]

        result = self._transform(data)
        self.cache[cache_key] = result

        return result

    def _transform(self, data: Dict[str, Any]) -> Dict[str, Any]:
        """Transform data."""
        return {
            "processed": True,
            "data": data,
            "timestamp": self._get_timestamp()
        }

    def _get_timestamp(self) -> str:
        """Get current timestamp."""
        import datetime
        return datetime.datetime.now().isoformat()

    def batch_process(self, items: List[Dict]) -> List[Dict]:
        """Process multiple items."""
        return [self.process_data(item) for item in items]

    def clear_cache(self) -> None:
        """Clear the cache."""
        self.cache.clear()