package com.sercurityControl.proteam.util;

import okhttp3.*;
import org.apache.poi.util.IOUtils;

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;

public class HttpHelp {

	private static final MediaType JSON = MediaType.parse("application/json; charset=utf-8");

	private volatile static OkHttpClient client;

	private static OkHttpClient getInstance() {
		if (client == null) {
			synchronized (OkHttpClient.class) {
				if (client == null) {
					client = new OkHttpClient.Builder()
							.connectTimeout(30000, TimeUnit.SECONDS)
							.readTimeout(30000, TimeUnit.SECONDS)
							.build();
				}
			}
		}
		return client;
	}

	public static String syncPost(String url, String json) {
		RequestBody body = RequestBody.create(JSON, json);
		Request request = new Request.Builder()
				.url(url)
				.post(body)
				.addHeader("key", "SonBianDian")
				.addHeader("secret", "38fb95ccc3483d8f8226150e011a65eb067e856a")
				.build();
		try {
			Response response = getInstance().newCall(request).execute();
			return response.body().string();
		} catch (Exception e) {
			return e.toString();
		}
	}



	/**
	 * 2 * 发送Http post请求 3 * 4 * @param xmlInfo 5 * json转化成的字符串 6 * @param URL 7 *
	 * 请求url 8 * @return 返回信息 9
	 */
	public static String doHttpPosts( String URL,String xmlInfo) {
		System.out.println("发起的数据:" + xmlInfo);
		byte[] xmlData = xmlInfo.getBytes();
		InputStream instr = null;
		java.io.ByteArrayOutputStream out = null;
		try {
			java.net.URL url = new URL(URL);
			URLConnection urlCon = url.openConnection();
			urlCon.setConnectTimeout(10000);
			urlCon.setReadTimeout(10000);
			urlCon.setDoOutput(true);
			urlCon.setDoInput(true);
			urlCon.setUseCaches(false);
			urlCon.setRequestProperty("content-Type", "application/json");
			urlCon.setRequestProperty("charset", "utf-8");
			urlCon.setRequestProperty("Content-length", String.valueOf(xmlData.length));
			DataOutputStream printout = new DataOutputStream(urlCon.getOutputStream());
			printout.write(xmlData);
			printout.flush();
			printout.close();
			instr = urlCon.getInputStream();
			byte[] bis = IOUtils.toByteArray(instr);
			String ResponseString = new String(bis, "UTF-8");
			if ((ResponseString == null) || ("".equals(ResponseString.trim()))) {
			}
			return ResponseString;

		} catch (Exception e) {
			e.printStackTrace();
			return null;
		} finally {
			try {
				instr.close();

			} catch (Exception ex) {
				return null;
			}
		}
	}
	/**
	 * 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
	 */
	public static String sendGet(String url, String param) {
		String result = "";
		BufferedReader in = null;
		try {
			String urlNameString = url + "?" + param;
			URL realUrl = new URL(urlNameString);


			// 打开和URL之间的连接
			URLConnection connection = realUrl.openConnection();
			connection.setConnectTimeout(10000);
			connection.setReadTimeout(10000);
			// 设置通用的请求属性
			connection.setRequestProperty("accept", "*/*");
			connection.setRequestProperty("connection", "Keep-Alive");
			connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
			// 建立实际的连接
			connection.connect();
			// 获取所有响应头字段
			Map<String, List<String>> map = connection.getHeaderFields();
			// 定义 BufferedReader输入流来读取URL的响应
			in = new BufferedReader(new InputStreamReader(connection.getInputStream(), "utf-8"));
			String line;
			while ((line = in.readLine()) != null) {
				result += line;
			}
		} catch (Exception e) {
			System.out.println("发送GET请求出现异常！" + e);
			e.printStackTrace();
		}
		// 使用finally块来关闭输入流
		finally {
			try {
				if (in != null) {
					in.close();
				}
			} catch (Exception e2) {
				e2.printStackTrace();
			}
		}
		return result;
	}
}