"""Structured logging with structlog."""

from __future__ import annotations

import logging
import sys

import structlog

from app.core.config import get_settings


def setup_logging() -> None:
    settings = get_settings()

    log_level = logging.DEBUG if settings.DEBUG else logging.INFO

    structlog.configure(
        processors=[
            structlog.contextvars.merge_contextvars,
            structlog.stdlib.filter_by_level,
            structlog.stdlib.add_logger_name,
            structlog.stdlib.add_log_level,
            structlog.stdlib.PositionalArgumentsFormatter(),
            structlog.processors.TimeStamper(fmt="iso"),
            structlog.processors.StackInfoRenderer(),
            structlog.processors.format_exc_info,
            structlog.processors.UnicodeDecoder(),
            structlog.stdlib.ProcessorFormatter.wrap_for_formatter,
        ],
        logger_factory=structlog.stdlib.LoggerFactory(),
        wrapper_class=structlog.stdlib.BoundLogger,
        cache_logger_on_first_use=True,
    )

    formatter = structlog.stdlib.ProcessorFormatter(
        processor=(
            structlog.dev.ConsoleRenderer()
            if settings.DEBUG
            else structlog.processors.JSONRenderer()
        ),
    )

    handler = logging.StreamHandler(sys.stdout)
    handler.setFormatter(formatter)

    root = logging.getLogger()
    root.handlers.clear()
    root.addHandler(handler)
    root.setLevel(log_level)

    # Silence noisy libs
    for name in ("httpx", "httpcore", "uvicorn.access"):
        logging.getLogger(name).setLevel(logging.WARNING)


def get_logger(name: str = __name__) -> structlog.stdlib.BoundLogger:
    return structlog.get_logger(name)