"""
前端日志模块
基于环境变量控制日志级别，与后端保持一致
"""

import os
import logging
from typing import Any
from dotenv import load_dotenv

# 先加载环境变量
load_dotenv()

# ==================== 日志配置 ====================

# 从环境变量读取日志级别，默认 INFO
LOG_LEVEL = os.getenv("LOG_LEVEL", "INFO").upper()

# 根据环境变量控制是否显示详细调试信息
DEBUG_MODE = os.getenv("DEBUG", "false").lower() == "true"

# 创建统一的日志器
logger = logging.getLogger("ai_agent_frontend")
logger.setLevel(getattr(logging, LOG_LEVEL, logging.INFO))

# 避免重复添加 handler
if not logger.handlers:
    handler = logging.StreamHandler()
    handler.setLevel(getattr(logging, LOG_LEVEL, logging.INFO))
    formatter = logging.Formatter(
        fmt="%(asctime)s | %(levelname)-8s | %(name)s | %(message)s",
        datefmt="%Y-%m-%d %H:%M:%S"
    )
    handler.setFormatter(formatter)
    logger.addHandler(handler)


# ==================== 日志函数 ====================

def debug(msg: Any, *args, **kwargs):
    """
    调试日志，仅在 DEBUG 环境变量为 true 时打印
    
    Args:
        msg: 日志消息
    """
    if DEBUG_MODE:
        logger.debug(msg, *args, **kwargs)


def info(msg: Any, *args, **kwargs):
    """
    信息日志
    
    Args:
        msg: 日志消息
    """
    logger.info(msg, *args, **kwargs)


def warning(msg: Any, *args, **kwargs):
    """
    警告日志
    
    Args:
        msg: 日志消息
    """
    logger.warning(msg, *args, **kwargs)


def error(msg: Any, *args, **kwargs):
    """
    错误日志
    
    Args:
        msg: 日志消息
    """
    logger.error(msg, *args, **kwargs)