package com.casic.util;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import org.apache.http.HttpEntity;
import org.apache.http.ParseException;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collector;
import java.util.stream.Collectors;

public class HttpRequest {


    //获取组织结构下的应用角色，通过角色获取角色名称
    // 通过角色名称，获取所有的用户信息
    //对用户信息进行合并

    private static final CloseableHttpClient httpclient = HttpClients.createDefault();

    //角色下面的用户，用户下面的角色
    public static void main(String[] args) {
        //查询指定应用下、组织结构下的角色信息
        String url = "http://10.80.12.33/OrgAndUserService/apps/XLJCYJ/roles/XLJCYJ_GLY/allocatedUsers";
        // 获取指定应用下的角色的所有授权用户信息
//        url = "http://10.80.12.33/OrgAndUserService/apps/QCDTJC_ZWJ/roles/QCDTJC_ZWJ_101/allocatedUsers";
        Object roleObject = sendGet(url);
        JSONArray roleList = ((JSONArray) ((JSONObject) roleObject).get("items"));
        Map<String, List<String>> userListMap = new HashMap<>();
        List<String> adminList = new ArrayList<>();
        List<String> userList = new ArrayList<>();
        for (Object role : roleList) {
            JSONArray dataList = (JSONArray) ((JSONObject) role).get("data");
            String roleName = (String) ((JSONObject) dataList.stream().filter(e -> ((JSONObject) e).get("name").equals("roleName")).findFirst().get()).get("roleName");
            String roleCode = (String) ((JSONObject) dataList.stream().filter(e -> ((JSONObject) e).get("name").equals("roleCode")).findFirst().get()).get("roleCode");
            if (roleName.contains("普通用户")) {
                userList.add(roleCode);
            }
            if (roleName.contains("管理员")) {
                adminList.add(roleCode);
            }
        }
        userListMap.put("用户", userList);
        userListMap.put("管理员", adminList);
        return;
    }

    /**
     * 向指定URL发送GET方法的请求
     *
     * @param url   发送请求的URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return URL 所代表远程资源的响应结果
     */
    /**
     * 发送HttpGet请求
     *
     * @param url
     * @return
     */
    public static Object sendGet(String url) {
        HttpGet httpget = new HttpGet(url);
        CloseableHttpResponse response = null;
        try {
            response = httpclient.execute(httpget);
        } catch (IOException e1) {
            e1.printStackTrace();
        }
        Object resultObject = null;
        try {
            HttpEntity entity = response.getEntity();
            if (entity != null) {
                String result = EntityUtils.toString(entity);
                Map<String, Object> resultMap = JSON.parseObject(result);
                resultObject = resultMap.get("collection");
            }
        } catch (ParseException | IOException e) {
            e.printStackTrace();
        } finally {
            try {
                response.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return resultObject;
    }


    /**
     * 向指定 URL 发送POST方法的请求
     *
     * @param url   发送请求的 URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendPost(String url, String param) {
        PrintWriter out = null;
        BufferedReader in = null;

        String result = "";
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(
                    new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("发送 POST 请求出现异常！" + e);
            e.printStackTrace();
        }
        //使用finally块来关闭输出流、输入流
        finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        return result;
    }
}