import time
from flask import request, g, jsonify, make_response,current_app
from common.log import logger
from datetime import datetime

# 定义生成失败响应的函数
def fail_response(code, error_message):
    return {
        "Timestamp": datetime.now().strftime("%Y-%m-%d %H:%M:%S.%f")[:-3],
        "Result": {
            "Status": "failed",
            "Code": code,
            "Message": error_message
        }
    }

# 定义生成成功响应的函数
def success_response(data):
    return {
        "Timestamp": datetime.now().strftime("%Y-%m-%d %H:%M:%S.%f")[:-3],
        "Data": data,
        "Result": {
            "Status": "succeed",
            "Code": 200,
            "Message": "请求成功！"
        }
    }

def before_request():
    logger.info(f"请求: {request.method} {request.url} ")
    g.start_time = time.time()

def after_request(response):
    elapsed_time = time.time() - g.start_time
    logger.info(f'响应: 用了 {elapsed_time:.4f} 秒')
    # return response
    if response.status_code >= 400:
    # 失败响应
        error_message = response.get_json(silent=True)['message']
        json_response = make_response(jsonify(fail_response(response.status_code, error_message)), response.status_code)
    else:
        # 成功响应
        data = response.get_json(silent=True)
        json_response = make_response(jsonify(success_response(data)), response.status_code)
    
    json_response.headers['X-Processed-Time'] = g.get('start_time', 'unknown')
    return json_response
    

def handle_exception(error):
    logger.error(f'发生异常: {error}')
    # response = jsonify({'error': str(error)})
    response = jsonify({'message': str(error)})
    response.status_code = 500
    return response