#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import sys
import json
import urllib.request
import urllib.error

# 打印彩色输出的辅助函数
def print_color(text, color='green'):
    colors = {
        'green': '\033[92m',
        'yellow': '\033[93m',
        'red': '\033[91m',
        'blue': '\033[94m',
        'end': '\033[0m'
    }
    print(f"{colors.get(color, '')}{text}{colors['end']}")

# 获取IP信息
def get_ip_info(ip_addr):
    print_color(f"正在查询IP: {ip_addr} 的信息", 'blue')
    
    # 构建请求URL
    if ip_addr:
        url = f"https://whois.pconline.com.cn/ipJson.jsp?json=true&ip={ip_addr}"
    else:
        url = "https://whois.pconline.com.cn/ipJson.jsp?json=true"
    
    # 设置请求头
    headers = {
        'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7)',
        'Accept': 'application/json, text/plain, */*',
        'Accept-Language': 'zh-CN,zh;q=0.9'
    }
    
    request = urllib.request.Request(url, headers=headers)
    
    try:
        with urllib.request.urlopen(request, timeout=10) as response:
            # 获取状态码
            status_code = response.getcode()
            print_color(f"HTTP状态码: {status_code}", 'blue')
            
            if status_code == 200:
                # 读取并解码响应内容
                try:
                    # 尝试使用GBK编码（中文网站常用）
                    content = response.read().decode('gbk')
                except UnicodeDecodeError:
                    try:
                        # 尝试使用GB2312编码
                        content = response.read().decode('gb2312')
                    except UnicodeDecodeError:
                        # 最后尝试UTF-8
                        content = response.read().decode('utf-8')
                print_color(f"获取IP信息成功，响应长度: {len(content)} 字节", 'green')
                return True, content
            else:
                print_color(f"HTTP请求失败，状态码: {status_code}", 'red')
                return False, ""
    except urllib.error.URLError as e:
        print_color(f"网络请求失败: {str(e)}", 'red')
        return False, ""
    except Exception as e:
        print_color(f"发生未知错误: {str(e)}", 'red')
        return False, ""

# 解析并打印IP信息JSON
def parse_and_print_ip_info(json_response):
    print_color("开始解析IP信息JSON", 'yellow')
    print_color("原始JSON响应:", 'yellow')
    print(json_response)
    print()
    
    try:
        # 解析JSON
        data = json.loads(json_response)
        
        # 定义要提取的字段及其中文名称
        fields = {
            "ip": "IP地址",
            "pro": "省份",
            "proCode": "省份代码",
            "city": "城市",
            "cityCode": "城市代码",
            "region": "区域",
            "regionCode": "区域代码",
            "addr": "详细地址",
            "err": "错误信息"
        }
        
        print_color("====== IP信息解析结果 ======", 'green')
        for field, name in fields.items():
            if field in data:
                print(f"{name}: {data[field]}")
            else:
                print(f"{name}: 未找到")
        print_color("============================", 'green')
        
        # 如果有错误信息，打印错误
        if 'err' in data and data['err']:
            print_color(f"注意: {data['err']}", 'red')
            
    except json.JSONDecodeError as e:
        print_color(f"JSON解析失败: {str(e)}", 'red')
    except Exception as e:
        print_color(f"解析过程中发生错误: {str(e)}", 'red')

# 主函数
def main():
    print_color("====== 太平洋IP查询API测试程序 ======", 'blue')
    print_color("此脚本使用Python标准库，无需安装额外依赖", 'yellow')
    print()
    
    # 获取用户输入的IP地址，如果没有则使用默认值
    if len(sys.argv) > 1:
        test_ip = sys.argv[1]
        print_color(f"使用指定IP地址: {test_ip}", 'yellow')
    else:
        test_ip = ""
        print_color(f"未指定IP地址，将测试API是否可以自动识别本机IP", 'yellow')
    
    print()
    
    # 获取IP信息
    success, response = get_ip_info(test_ip)
    
    if success and response:
        print()
        # 解析并打印IP信息
        parse_and_print_ip_info(response)
    else:
        print_color("获取IP信息失败，请检查网络连接或IP地址", 'red')
    
    print()
    print_color("====== 测试完成 ======", 'blue')
    
    # 如果要查询本机公网IP，可以取消下面的注释
    # print_color("提示: 要查询本机公网IP，请访问: https://www.ip138.com 或 https://ip.cn", 'yellow')

if __name__ == "__main__":
    main()