"""Structured logging for LogiFlow AI — loguru setup with standard logging fallback."""
import sys
import os
import logging
from pathlib import Path

try:
    from loguru import logger

    Path("logs").mkdir(exist_ok=True)

    logger.remove()

    logger.add(
        sys.stderr,
        format="{time:YYYY-MM-DD HH:mm:ss} | {level: <8} | {name}:{function}:{line} - {message}",
        level=os.getenv("LOG_LEVEL", "INFO"),
        colorize=False,
    )

    logger.add(
        "logs/logiflow_{time:YYYY-MM-DD}.log",
        rotation="100 MB",
        retention="30 days",
        compression="gz",
        level="DEBUG",
        format="{time:YYYY-MM-DD HH:mm:ss} | {level: <8} | {name}:{function}:{line} - {message}",
    )
except ImportError:
    logging.basicConfig(level=logging.INFO, format="%(asctime)s | %(levelname)-8s | %(message)s")
    logger = logging.getLogger("logiflow")

__all__ = ["logger"]