package com.ruoyi.common.signature;

import com.alibaba.fastjson2.JSON;
import org.apache.commons.lang3.RandomStringUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.http.HttpStatus;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.config.RequestConfig;
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.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URLEncoder;
import java.util.Calendar;

/**
 * @email 1603559716@qq.com
 * @author: zf
 * @date: 2023/9/8
 * @time: 14:52
 */
public class SignatureUtils {
	private static final Logger logger = LoggerFactory.getLogger(SignatureUtils.class);
	// 接口服务地址
	private static final String restSever = "https://inspurtestcx.saws.org.cn/sjjh";
	// 应用标识
	private static final String appKey = "hj92qe";
	// 加密算法
	private static final String signMethod = "SHA-256";
	// 身份系统签发给应用对接的密钥
	private static final String appPwd = "dxep6j";

	/**
	 * 获取数据接口
	 * @param getQueryParam
	 * @return
	 */
	public static Object getObject(String getQueryParam,String url){
		// 时间戳
		Long ts = Calendar.getInstance().getTime().getTime();
		// 随机数
		String once = RandomStringUtils.randomAlphanumeric(32);
		// 接口header 中的公共参数
		String commonParamUrl = String.format("appKey=%s" + "&" + "ts=%s" + "&" + "once=%s" + "&" + "signMethod=%s", appKey, ts, once, signMethod);

		String getFullUrl = restSever + url + "?" + getQueryParam;
		HttpGet httpGet = new HttpGet(getFullUrl);
		// get 请求查询参数， 用在 URL 上的， 这里若是通过 ID 查询的， 接口中 ID 是作为路径存在的， 所以需要将 ID 组成
		String getAllParamUrl = commonParamUrl + "&" + getQueryParam;
		// 创建 HttpClient 对象
		CloseableHttpClient httpclient = (CloseableHttpClient) SkipHttpsUtils.wrapClient();
		// 对参数签名， 并放入请求 header 中的 signData 参数中
		try {

			// 签名数据
			String signData = TokenUtils.getSignature(appPwd, getAllParamUrl);
			// 添加 header 参数 appCode、 timestamp、 signatureNonce、 signature
			httpGet.addHeader("appKey", appKey);
			httpGet.addHeader("ts", ts.toString());
			httpGet.addHeader("once", once);
			httpGet.addHeader("signMethod", signMethod);
			System.out.println("once:" + once);
			httpGet.addHeader("signData", signData);
			System.out.println("headers:" + httpGet.getAllHeaders());
			String urlStr = httpGet.getURI().toString();
			// 公共参数 URL
			System.out.println("commonParamter:" + urlStr);
			if (StringUtils.endsWith(urlStr, "/")) {
				urlStr = StringUtils.removeEnd(urlStr, "/");
			}
			httpGet.setURI(new URI(urlStr));
			RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(6000)
					.setConnectionRequestTimeout(6000).setSocketTimeout(6000).build();
			httpGet.setConfig(requestConfig);
			System.out.println("urlStr in request:" + httpGet.getURI().toString());
			// 执行请求
			CloseableHttpResponse response = httpclient.execute(httpGet);
			// 取响应的结果
			int statusCode = response.getStatusLine().getStatusCode();
			// 打印响应结果
			if (statusCode == HttpStatus.SC_OK) {
				String resp = EntityUtils.toString(response.getEntity(), "utf-8");
				System.out.println("status:" + statusCode);
				Object object = JSON.parse(resp);
				System.out.println("result:" + resp);
				return object;

			} else {
				System.out.println(statusCode);
			}
		} catch (URISyntaxException e) {
			logger.error("签名失败： ", e);
		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return null;
	}

	public static void main(String[] args) {
		/**
		 * GET 查询接口演示代码
		 */
		String startTime = "2018-05-25 00:00:00";
		String endTime = "2023-06-01 21:00:00";
		try {
			startTime = URLEncoder.encode(startTime, "UTF-8");
			endTime = URLEncoder.encode(endTime, "UTF-8");
		} catch (UnsupportedEncodingException e) {
			throw new RuntimeException(e.getCause());
		}
		String getQueryParam = "startTime=" + startTime + "&endTime=" + endTime;
		System.out.println(getQueryParam);
		 Object obj = getObject(getQueryParam,"/api/v1/exam/plan/enroll/download");
		System.out.println(obj);

	}

}