import json
import logging
from datetime import UTC, datetime

from app.core.config import get_settings


class JsonFormatter(logging.Formatter):
    def format(self, record: logging.LogRecord) -> str:
        payload = {
            "timestamp": datetime.now(UTC).isoformat(),
            "level": record.levelname,
            "logger": record.name,
            "message": record.getMessage(),
        }
        return json.dumps(payload, ensure_ascii=True)


def configure_logging() -> None:
    settings = get_settings()
    root = logging.getLogger()
    if root.handlers:
        return

    root.setLevel(settings.log_level.upper())
    console = logging.StreamHandler()
    console.setFormatter(logging.Formatter("%(asctime)s %(levelname)s %(name)s %(message)s"))
    root.addHandler(console)

    json_handler = logging.FileHandler(settings.log_dir / "tuxdmx.json.log", encoding="utf-8")
    json_handler.setFormatter(JsonFormatter())
    root.addHandler(json_handler)