# ===========================================
# 班级操行分管理系统 - 后端服务
# 
# 开发者: Canglan
# 联系方式: admin@sea-studio.top
# 版权归属: Sea Network Technology Studio
# 许可证: MIT License
# 
# 版权所有 © Sea Network Technology Studio
# ===========================================

import sys
from loguru import logger
from pathlib import Path
from fastapi import Request

from config import settings


# 日志目录
LOG_DIR = Path(__file__).parent.parent / "logs"
LOG_DIR.mkdir(exist_ok=True)


def setup_logger():
    """配置日志系统"""
    
    # 移除默认处理器
    logger.remove()
    
    # 控制台输出（仅INFO及以上）
    logger.add(
        sys.stdout,
        format="<green>{time:YYYY-MM-DD HH:mm:ss}</green> | <level>{level: <8}</level> | <cyan>{name}</cyan> - <level>{message}</level>",
        level=settings.LOG_LEVEL,
        colorize=True
    )
    
    # 应用日志（轮转）
    logger.add(
        LOG_DIR / "app.log",
        format="{time:YYYY-MM-DD HH:mm:ss} | {level: <8} | {name} | {message}",
        rotation=settings.LOG_MAX_BYTES,
        retention=settings.LOG_RETENTION_DAYS,
        compression="gz",
        encoding="utf-8",
        level="DEBUG"
    )
    
    # 错误日志（单独记录）
    logger.add(
        LOG_DIR / "error.log",
        format="{time:YYYY-MM-DD HH:mm:ss} | {level: <8} | {name} | {message}",
        rotation=settings.LOG_MAX_BYTES,
        retention=settings.LOG_RETENTION_DAYS * 2,
        compression="gz",
        encoding="utf-8",
        level="ERROR"
    )
    
    # 访问日志
    logger.add(
        LOG_DIR / "access.log",
        format="{time:YYYY-MM-DD HH:mm:ss} | {message}",
        rotation="1 day",
        retention="90 days",
        compression="gz",
        encoding="utf-8",
        filter=lambda record: record["extra"].get("type") == "access"
    )
    
    # 操作日志
    logger.add(
        LOG_DIR / "operation.log",
        format="{time:YYYY-MM-DD HH:mm:ss} | {message}",
        rotation=settings.LOG_MAX_BYTES,
        retention=settings.LOG_RETENTION_DAYS,
        compression="gz",
        encoding="utf-8",
        filter=lambda record: record["extra"].get("type") == "operation"
    )
    
    return logger


def get_logger(name: str):
    """获取日志记录器"""
    return logger.bind(name=name)


def log_access(request: Request):
    """记录访问日志"""
    logger.bind(type="access").info(f"{request.method} {request.url.path} - {request.client.host}")


def log_operation(operator_id: int, operator_name: str, action: str, details: str = ""):
    """记录操作日志"""
    logger.bind(type="operation").info(f"用户[{operator_id}:{operator_name}] 执行 {action} - {details}")


# 导出logger
__all__ = ["setup_logger", "get_logger", "log_access", "log_operation", "logger"]