"""结构化日志配置。"""

import logging
import sys

import structlog

from app.core.config import settings


def setup_logging():
    """配置 structlog 结构化日志。"""
    shared_processors = [
        structlog.contextvars.merge_contextvars,
        structlog.stdlib.add_log_level,
        structlog.stdlib.add_logger_name,
        structlog.processors.TimeStamper(fmt="iso"),
        structlog.processors.StackInfoRenderer(),
    ]

    if settings.debug:
        processors = shared_processors + [
            structlog.dev.ConsoleRenderer(colors=True),
        ]
    else:
        processors = shared_processors + [
            structlog.processors.format_exc_info,
            structlog.processors.JSONRenderer(),
        ]

    structlog.configure(
        processors=processors,
        wrapper_class=structlog.stdlib.BoundLogger,
        context_class=dict,
        logger_factory=structlog.stdlib.LoggerFactory(),
        cache_logger_on_first_use=True,
    )

    logging.basicConfig(
        format="%(message)s",
        stream=sys.stdout,
        level=logging.DEBUG if settings.debug else logging.INFO,
    )


def get_logger(name: str) -> structlog.stdlib.BoundLogger:
    """获取结构化日志器。"""
    return structlog.get_logger(name)