import requests
from typing import Optional, Dict, Any
import logging
import json
from datetime import datetime
import time

# 配置日志系统
logging.basicConfig(
    level=logging.INFO,
    format='%(asctime)s - %(levelname)s - %(message)s',
    handlers=[
        logging.FileHandler('alarm_upload.log', encoding='utf-8'),
        logging.StreamHandler()
    ]
)

# 审计日志独立配置（记录原始请求响应数据）
audit_logger = logging.getLogger('audit')
audit_logger.setLevel(logging.INFO)
audit_handler = logging.FileHandler('alarm_audit.log', encoding='utf-8')
audit_handler.setFormatter(logging.Formatter('%(message)s'))
audit_logger.addHandler(audit_handler)


def upload_alarm(
        camera_id: str,
        detection_status: Dict[str, Any],
        content: str,
        timeout: int = 10
) -> Optional[Dict]:
    """
    增强版安全报警信息上传函数

    Parameters:
        camera_id: 摄像头唯一标识ID
        detection_status: 检测状态字典，需包含：
            {
                "has_head": bool,
                "has_helmet": bool,
                "has_safevest": bool,
                "timestamp": str  # 格式：YYYY-MM-DD HH:MM:SS
            }
        content: 报警内容描述
        timeout: 请求超时时间（秒）

    Returns:
        服务器响应字典（成功时），None（失败时）
    """
    # 参数验证
    required_keys = ['has_head', 'has_helmet', 'has_safevest', 'timestamp']
    if not all(key in detection_status for key in required_keys):
        logging.error(f"参数错误：缺失必要检测状态字段，需要包含：{required_keys}")
        return None

    if not camera_id or not content:
        logging.error("参数错误：camera_id 和 content 不能为空")
        return None

    # 构造请求参数
    base_url = "http://192.168.110.229:38090/api/services/isas/VideoElectronicFence/UploadAlarmMsg"
    params = {
        "id": camera_id,
        "content": f"[{detection_status['timestamp']}] {content}",
        "details": json.dumps({
            "camera_id": camera_id,
            "detection_status": detection_status,
            # "system_time": datetime.now().strftime("%Y-%m-%d %H:%M:%S")
        }, ensure_ascii=False)
    }

    # 审计日志数据
    audit_data = {
        "camera_id": camera_id,
        # "request_time": time.strftime("%Y-%m-%d %H:%M:%S"),
        "request_params": params,
        "response_status": None,
        "response_content": None,
        "exception": None
    }

    try:
        # 发送GET请求
        response = requests.get(
            base_url,
            params=params,
            timeout=timeout
        )
        audit_data["response_status"] = response.status_code

        # HTTP状态码检查
        if response.status_code != 200:
            logging.error(f"HTTP错误 | 摄像头: {camera_id} | 状态码: {response.status_code}")
            audit_data["exception"] = f"HTTP错误：{response.status_code}"
            return None

        # 解析JSON响应
        try:
            json_data = response.json()
            audit_data["response_content"] = json_data
        except ValueError:
            logging.error(f"响应解析失败 | 摄像头: {camera_id}")
            audit_data["exception"] = "无效的JSON响应"
            return None

        # 检查业务逻辑成功状态
        if json_data.get("success", False):
            logging.info(f"报警上传成功 | 摄像头: {camera_id} | 内容: {content}")
            return json_data
        else:
            error_msg = json_data.get("result", {}).get("message", "未知错误")
            logging.error(f"业务逻辑错误 | 摄像头: {camera_id} | 错误: {error_msg}")
            audit_data["exception"] = error_msg
            return None

    except requests.exceptions.Timeout:
        error_msg = f"请求超时 | 摄像头: {camera_id} | 超时时间: {timeout}s"
        logging.error(error_msg)
        audit_data["exception"] = error_msg
    except requests.exceptions.RequestException as e:
        error_msg = f"网络请求异常 | 摄像头: {camera_id} | 错误: {str(e)}"
        logging.error(error_msg)
        audit_data["exception"] = str(e)
    except Exception as e:
        error_msg = f"未知错误 | 摄像头: {camera_id} | 错误: {str(e)}"
        logging.error(error_msg)
        audit_data["exception"] = str(e)
    finally:
        # 记录审计日志
        audit_logger.info(json.dumps(audit_data, ensure_ascii=False))

    return None


# 测试用例
if __name__ == "__main__":
    # 模拟检测状态
    test_status = {
        "has_head": True,
        "has_helmet": False,
        "has_safevest": True,
        # "timestamp": "2023-08-20 15:30:00"
    }

    # 测试正常上传
    result = upload_alarm(
        camera_id="1236",
        detection_status=test_status,
        content="安全警报：未佩戴安全帽"
    )
    print("上传结果:", result)

    # 测试错误参数
    result = upload_alarm(
        camera_id="",
        detection_status=test_status,
        content=""
    )
    print("错误测试结果:", result)