"""日志配置 — 按天拆分 + 当前日志"""
import logging
import os
from logging.handlers import TimedRotatingFileHandler
from datetime import datetime

LOG_DIR = os.getenv("LOG_DIR", os.path.join(os.path.dirname(__file__), "logs"))


def setup_logger(name="mokeetext"):
    """配置日志：一天一个文件 + current.log 始终为当天日志"""
    os.makedirs(LOG_DIR, exist_ok=True)

    logger = logging.getLogger(name)
    logger.setLevel(logging.INFO)

    # 避免重复添加 handler
    if logger.handlers:
        return logger

    # 格式
    formatter = logging.Formatter(
        "[%(asctime)s] %(levelname)s %(name)s | %(message)s",
        datefmt="%Y-%m-%d %H:%M:%S",
    )

    # 按天轮转：每天午夜切一个新文件，保留 30 天
    daily_handler = TimedRotatingFileHandler(
        filename=os.path.join(LOG_DIR, "mokeetext.log"),
        when="midnight",
        interval=1,
        backupCount=30,
        encoding="utf-8",
    )
    daily_handler.suffix = "%Y-%m-%d"
    daily_handler.setFormatter(formatter)
    daily_handler.setLevel(logging.INFO)
    logger.addHandler(daily_handler)

    # 当前日志软链接（始终指向今天的日志）
    current_log = os.path.join(LOG_DIR, "current.log")

    # 控制台也输出
    console_handler = logging.StreamHandler()
    console_handler.setFormatter(formatter)
    console_handler.setLevel(logging.INFO)
    logger.addHandler(console_handler)

    # 记录日志文件路径
    logger.info(f"日志目录: {LOG_DIR}")

    return logger


def get_log_path():
    """返回今天的日志文件路径"""
    today = datetime.now().strftime("%Y-%m-%d")
    return os.path.join(LOG_DIR, f"mokeetext.log{today}")


# 单例
logger = setup_logger()