import time
from fastapi import Request

async def log_requests_middleware(request, call_next):
    """请求日志中间件"""
    start_time = time.time()

    # 记录请求开始
    logger.info(f"收到请求: {request.method} {request.url.path}")
    logger.info(f"客户端IP: {request.client.host}")

    # 处理请求
    response = await call_next(request)

    # 计算处理时间
    process_time = time.time() - start_time

    # 记录响应
    logger.info(
        f"请求完成: 状态码 {response.status_code} - "
        f"耗时: {process_time:.3f}秒"
    )

    return response