"""Xavante - logging_utils.py - Logging estruturado com contexto."""
from __future__ import annotations

import json
import logging
import sys
from datetime import datetime
from typing import Any


class JSONFormatter(logging.Formatter):
    def format(self, record: logging.LogRecord) -> str:
        log_entry = {
            "timestamp": datetime.utcnow().isoformat() + "Z",
            "level": record.levelname,
            "logger": record.name,
            "message": record.getMessage(),
        }
        if hasattr(record, "context"):
            log_entry["context"] = record.context
        return json.dumps(log_entry, default=str)


def setup_logging(level: int = logging.INFO, json_output: bool = False) -> None:
    root = logging.getLogger()
    root.setLevel(level)
    for h in list(root.handlers):
        root.removeHandler(h)
    handler = logging.StreamHandler(sys.stdout)
    if json_output:
        handler.setFormatter(JSONFormatter())
    else:
        handler.setFormatter(
            logging.Formatter(
                "[%(asctime)s] [%(levelname)s] [%(name)s] %(message)s",
                datefmt="%Y-%m-%d %H:%M:%S",
            )
        )
    root.addHandler(handler)


__all__ = ["JSONFormatter", "setup_logging"]