import logging
import sys
from pathlib import Path
from datetime import datetime

# 创建日志目录
log_dir = Path("logs")
log_dir.mkdir(exist_ok=True)

# 日志文件名（按日期）
log_file = log_dir / f"app_{datetime.now().strftime('%Y%m%d')}.log"

# 配置日志格式
log_format = "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
date_format = "%Y-%m-%d %H:%M:%S"

# 创建日志记录器
logger = logging.getLogger("shudao-chat")
logger.setLevel(logging.INFO)

# 控制台处理器
console_handler = logging.StreamHandler(sys.stdout)
console_handler.setLevel(logging.INFO)
console_formatter = logging.Formatter(log_format, date_format)
console_handler.setFormatter(console_formatter)

# 文件处理器
file_handler = logging.FileHandler(log_file, encoding="utf-8")
file_handler.setLevel(logging.INFO)
file_formatter = logging.Formatter(log_format, date_format)
file_handler.setFormatter(file_formatter)

# 添加处理器
logger.addHandler(console_handler)
logger.addHandler(file_handler)


def get_logger(name: str = "shudao-chat"):
    """获取日志记录器"""
    return logging.getLogger(name)