import logging
import sys


def setup_logging(level: int = logging.INFO) -> None:
    """Configure structured application logging."""
    fmt = "%(asctime)s | %(levelname)-8s | %(name)s | %(message)s"
    handler = logging.StreamHandler(sys.stdout)
    handler.setFormatter(logging.Formatter(fmt, datefmt="%Y-%m-%dT%H:%M:%S"))

    root = logging.getLogger()
    root.setLevel(level)
    # Avoid duplicate handlers if called more than once (e.g. in tests)
    if not root.handlers:
        root.addHandler(handler)

    # Quieten noisy libraries
    logging.getLogger("uvicorn.access").setLevel(logging.WARNING)


def get_logger(name: str) -> logging.Logger:
    return logging.getLogger(name)