package com.imooc.util;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.URL;
import java.net.URLConnection;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Random;
import org.apache.commons.codec.digest.DigestUtils;
public class SendTelMsgUtils {
  //http://www.miaodiyun.com/
  /**
   * ACCOUNT_SID:开发者主账号ID(注册后自动生成)
   */
  public static final String ACCOUNT_SID = "填写ACCOUNT SID";
  /**
   * AUTH_TOKEN:开发者账号认证密匙(注册后自动生成)
   */
  public static final String AUTH_TOKEN = "填写AUTH TOKEN";
  /**
   * BASE_URL:请求地址
   */
  public static final String BASE_URL = "https://api.miaodiyun.com/20150822/industrySMS/sendSMS";
  /**
   * RESP_DATA_TYPE:数据返回格式为JSON格式
   */
  public static final String RESP_DATA_TYPE = "json";
  /**
   * 
   * @Title：sendMsgTo
   * @Description：发送短信验证码 @param：
   * @return：String
   */
  public static String sendMsgTo(String to, String createRandNum) {
    /**
     * randNum:生成的验证码随机数
     */
    String randNum = createRandNum;
    /**
     * smsContent:短信内容(短信签名+短信内容，注意要和配置的模板一致，否则报错)
     */
    String smsContent = "【柴火科技】您的验证码为" + randNum + "，请于2分钟内正确输入，如非本人操作，请忽略此短信。";
    /**
     * 获取时间戳
     */
    String timestamp = getTimestamp();
    /**
     * 获取签名
     */
    String sig = sig_MD5(ACCOUNT_SID + AUTH_TOKEN + timestamp);
    /**
     * 要提交的post数据
     */
    String http_post = "accountSid=" + ACCOUNT_SID + "&smsContent=" + smsContent + "&to=" + to + "&timestamp="
        + timestamp + "&sig=" + sig + "&respDataType=" + RESP_DATA_TYPE;
    OutputStreamWriter osw = null;
    BufferedReader br = null;
    StringBuffer sb = new StringBuffer();
    try {
      /**
       * 获取连接
       */
      URL url = new URL(BASE_URL);
      /**
       * 打开连接
       */
      URLConnection conn = url.openConnection();
      /**
       * 设置连接参数
       */
      conn.setDoOutput(true);
      conn.setDoInput(true);
      conn.setConnectTimeout(5000);
      conn.setReadTimeout(20000);
      /**
       * 提交数据
       */
      osw = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
      osw.write(http_post);
      osw.flush();
      /**
       * 读取返回数据
       */
      br = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));
      String line = "";
      while ((line = br.readLine()) != null) {
        sb.append(line);
      }
    } catch (Exception e) {
      e.printStackTrace();
    }
    return sb.toString();
  }
  /**
   * 获取时间戳
   */
  public static String getTimestamp() {
    SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
    String date = sdf.format(new Date());
    return date;
  }
  /**
   * 对"ACCOUNT_SID + AUTH_TOKEN + timestamp"进行MD5加密
   * 
   *                            <dependency>
   *                            <groupId>commons-codec</groupId>
   *                            <artifactId>commons-codec</artifactId>
   *                            <version>1.10</version> </dependency>
   *                            </dependencies>
   */
  public static String sig_MD5(String str) {
    String sig_md5 = DigestUtils.md5Hex(str);
    return sig_md5;
  }
}