package com.huaheng.pc.shipment.kuaidiHeader.service;


import com.huaheng.pc.config.token.service.ITokensService;

import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import javax.net.ssl.X509TrustManager;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.cert.X509Certificate;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Map;
import java.util.TreeMap;


/**
 * 【请填写功能名称】 服务层实现
 * 
 * @author huaheng
 * @date 2022-09-07
 */
@Service
public class KuaidiSendService {





    private static String appKey = "wKa32LXi8F9t";
    private static String appSecret = "918dc02a3348480380f607da0bb75c2b";

    /**
     * 导入订单
     *
     * @param accessToken 身份凭证
     * @param orderData   订单信息
     * @return
     */
    public  String send(String accessToken, String orderData) throws Exception {
        if (null == accessToken || accessToken.length() < 1
                || null == orderData || orderData.length() < 1) {
            throw new RuntimeException("无效参数");
        }
        String timestamp = String.valueOf(System.currentTimeMillis());
        Map<String, String> data = new TreeMap<>();
        data.put("appid", appKey);
        data.put("access_token", accessToken);
        data.put("data", orderData);
        data.put("timestamp", timestamp);
        data.put("sign", generateSign(data));
        return httpsRequest("https://b.kuaidi100.com/v6/open/api/send", data);
    }

    /**
     * 生成签名
     *
     * @param data 请求数据
     * @return 签名
     */
    private static String generateSign(Map<String, String> data) {
        data = transformToTreeMap(data);
        StringBuilder sbd = new StringBuilder(appSecret);
        for (Map.Entry<String, String> entry : data.entrySet()) {
            sbd.append(entry.getKey()).append(entry.getValue());
        }
        sbd.append(appSecret);
        return new MD5().encode(sbd.toString());
    }

    /**
     * 把map转换为treeMap
     *
     * @param map 任意类型的map
     * @return treeMap
     */
    private static Map<String, String> transformToTreeMap(Map<String, String> map) {
        return map instanceof TreeMap ? map : new TreeMap<>(map);
    }


    /**
     * 快速打印
     *
     * @param accessToken 身份凭证
     * @param printList   订单号列表
     * @return 打印订单的地址
     */
    public  String quickPrint(String accessToken, String printList) {
        if (null == accessToken || accessToken.length() < 1
                || null == printList || printList.length() < 1) {
            throw new RuntimeException("无效参数");
        }
        String timestamp = String.valueOf(System.currentTimeMillis());
        Map<String, String> data = new TreeMap<>();
        data.put("appid", appKey);
        data.put("access_token", accessToken);
        data.put("printlist", printList);
        data.put("timestamp", timestamp);
        String sign = generateSign(data);
        return "https://b.kuaidi100.com/v6/open/api/print?appid=" + appKey + "&access_token=" + accessToken + "&printlist=" + printList + "&timestamp=" + timestamp + "&sign=" + sign;
    }
    /**
     * 发送http请求
     *
     * @param url  请求地址
     * @param data 请求参数
     * @return 接口返回的结果
     */
    private static String httpsRequest(String url, Map<String, String> data) throws Exception {
        URL apiUrl = new URL(url);
        StringBuilder sbd = new StringBuilder();
        StringBuilder paramSbd = new StringBuilder();
        if (null != data) {
            for (Map.Entry<String, String> entry : data.entrySet()) {
                paramSbd.append(entry.getKey()).append("=").append(entry.getValue()).append("&");
            }
        }
        String param = paramSbd.length() > 0 ? paramSbd.substring(0, paramSbd.length() - 1) : "";
        try {
            HttpURLConnection httpConn = (HttpURLConnection) apiUrl.openConnection();
            //设置参数
            httpConn.setDoOutput(true);
            httpConn.setDoInput(true);
            httpConn.setUseCaches(false);
            httpConn.setRequestMethod("POST");

            //设置请求属性
            httpConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
            httpConn.setRequestProperty("Charset", "UTF-8");
            httpConn.setRequestProperty("Accept", "application/json;charset=UTF-8");


            //建立输入流，向指向的URL传入参数
            OutputStream out = httpConn.getOutputStream();
            out.write(param.getBytes("UTF-8"));
            out.flush();
            out.close();

            //获得响应状态
            int resultCode = httpConn.getResponseCode();
            if (HttpURLConnection.HTTP_OK == resultCode) {
                String readLine;
                BufferedReader responseReader = new BufferedReader(new InputStreamReader(httpConn.getInputStream(), "UTF-8"));
                while ((readLine = responseReader.readLine()) != null) {
                    sbd.append(readLine).append("\n");
                }
                responseReader.close();
                System.out.println(sbd.toString());
            } else {
                throw new RuntimeException("http请求失败：" + httpConn.getResponseCode());
            }
        } catch (Exception e) {
            throw new RuntimeException("http请求失败", e);
        }
        return sbd.toString();
    }


    static class MD5 {
        // 获得MD5摘要算法的 MessageDigest 对象
        private MessageDigest _mdInst = null;
        private char hexDigits[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};

        private MessageDigest getMdInst() {
            if (_mdInst == null) {
                try {
                    _mdInst = MessageDigest.getInstance("MD5");
                } catch (NoSuchAlgorithmException e) {
                    e.printStackTrace();
                }
            }
            return _mdInst;
        }

        String encode(String s) {
            try {
                byte[] btInput = s.getBytes("UTF-8");
                // 使用指定的字节更新摘要
                getMdInst().update(btInput);
                // 获得密文
                byte[] md = getMdInst().digest();
                // 把密文转换成十六进制的字符串形式
                int j = md.length;
                char str[] = new char[j * 2];
                int k = 0;
                for (byte byte0 : md) {
                    str[k++] = hexDigits[byte0 >>> 4 & 0xf];
                    str[k++] = hexDigits[byte0 & 0xf];
                }
                return new String(str);
            } catch (Exception e) {
                e.printStackTrace();
                return null;
            }
        }
    }

    static class MyX509TrustManager implements X509TrustManager {
        @Override
        public void checkClientTrusted(X509Certificate certificates[], String authType) {
        }
        @Override
        public void checkServerTrusted(X509Certificate[] ax509certificate, String s) {
        }
        @Override
        public X509Certificate[] getAcceptedIssuers() {
            // TODO Auto-generated method stub
            return null;
        }
    }
}