import json
import logging
from datetime import UTC, datetime
from typing import Any


class JsonFormatter(logging.Formatter):
    def format(self, record: logging.LogRecord) -> str:
        payload: dict[str, Any] = {
            "timestamp": datetime.now(UTC).isoformat(),
            "level": record.levelname,
            "message": record.getMessage(),
        }
        event_data = getattr(record, "event_data", None)
        if isinstance(event_data, dict):
            payload.update(event_data)
        return json.dumps(payload, default=str, separators=(",", ":"))


def configure_logging(level: str) -> None:
    handler = logging.StreamHandler()
    handler.setFormatter(JsonFormatter())
    root = logging.getLogger()
    root.handlers = [handler]
    root.setLevel(level.upper())