package com.touna.httprequest;

import java.text.MessageFormat;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Set;

import java.util.regex.*;

import okhttp3.Cookie;

import okhttp3.CookieJar;

import okhttp3.FormBody;

import okhttp3.HttpUrl;

import okhttp3.OkHttpClient;

import okhttp3.Request;

import okhttp3.Response;

import com.touna.view.LogUtil;

public class Session {

    private final OkHttpClient mOkHttpClient = new OkHttpClient.Builder().cookieJar(new CookieJarManager()).build();  
　　 //如果直接写个类，里面写saveFromResponse和loadForRequest，而不实现CookieJar接口，运行可以正常通过，但ide会显红，因为Bulider类的cookieJsr方法需要接受CookieJar类型的实例。鸭子类除了能节约代码行数，在可理解性 可读性 多人合作性上面都不如接口规范，谁知道鸭子类里面要写什么方法，除了写代码得人自己。

    private class CookieJarManager implements CookieJar{

        private final HashMap<String, List<Cookie>> cookieStore = new HashMap<>();

        @Override

        public void saveFromResponse(HttpUrl url, List<Cookie> cookies) {

            cookieStore.put(url.host(), cookies);

        }

        @Override

        public List<Cookie> loadForRequest(HttpUrl url) {

            List<Cookie> cookies = cookieStore.get(url.host());

            return cookies != null ? cookies : new ArrayList<Cookie>(){};

        }

    }

    /**

     * @param url  要请求的url

     * @param  paramsMap post的请求参数

     * @return  post的返回结果

     */

    public String post(String url, HashMap<String, String > paramsMap){

        LogUtil.printLog("请求的url是：" + url);

        FormBody.Builder formBodyBuilder = new FormBody.Builder();

        Set<String> keySet = paramsMap.keySet();

        for(String key:keySet) {

            String value = paramsMap.get(key);

            formBodyBuilder.add(key,value);

        }

        FormBody formBody = formBodyBuilder.build();

        Request request = new Request

                .Builder()

                .post(formBody)

                .url(url)

                .build();

        try (Response response = mOkHttpClient.newCall(request).execute()) {

            String  respStr = response.body().string();

            LogUtil.printLog("返回是： "   + respStr);

            return respStr;

        }catch (Exception e){

            LogUtil.printLog("post失败");

            e.printStackTrace();

            return "";

        }

    }

    public String get(String url)  {

        final Request.Builder builder = new Request.Builder();

        builder.url(url);

        final Request request = builder.build();

        try (Response response = mOkHttpClient.newCall(request).execute()) {

            return response.body().string();

        }catch (Exception e){

            e.printStackTrace();

            return "";

        }

    }

    /**

     * @param mail163Account 163邮箱账号;

     * @param passwd 邮箱密码

     * */

    private static void test163(String mail163Account, String passwd){

        String loginUrl = MessageFormat.format("https://mail.163.com/entry/cgi/ntesdoor?funcid=loginone&language=-1&passtype=1" +

                "&iframe=1&product=mail163&from=web&df=email163&race=-2_262_-2_hz&module=&uid={0}&style=-1&net=t&skinid=null",mail163Account);

        Session ss = new Session();

        HashMap<String,String> paramsMap = new HashMap<>() ;

        paramsMap.put("username",mail163Account);

        paramsMap.put("url2","http://email.163.com/errorpage/error163.htm");

        paramsMap.put("savalogin","0");

        paramsMap.put("password",passwd);

        String respStr = ss.post(loginUrl,paramsMap);  //登录

        Pattern sidPattern = Pattern.compile("sid=(.*)&");

        Matcher m = sidPattern.matcher(respStr);

        if (!m.find()){

            LogUtil.printLog("登录失败");

        }else{

            String sid  = m.group(1);

            LogUtil.printLog(sid);

            String mailListUrl = MessageFormat.format("https://mail.163.com/js6/s?sid={0}&func=mbox:listMessages",sid);

            HashMap<String,String> dataMap = new HashMap<>() ;

            dataMap.put("var","<?xml version=\"1.0\"?><object><int name=\"fid\">1</int><string name=\"order\">date</string><boolean name=\"desc\">true" +

                    "</boolean><int name=\"limit\">20</int><int name=\"start\">0</int><boolean name=\"skipLockedFolders\">false</boolean><string name" +

                    "=\"topFlag\">top</string><boolean name=\"returnTag\">true</boolean><boolean name=\"returnTotal\">true</boolean></object>");

            LogUtil.printLog("读取邮件列表:");

            ss.post(mailListUrl,dataMap);

        }

    }

    public static void main(String[] args) {

        test163("13148804506@163.com", "123456");

    }

}