package ce.cell.message.pool;

import java.io.IOException;
import java.net.URLEncoder;
import java.security.MessageDigest;
import java.text.SimpleDateFormat;
import java.util.Random;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.RequestEntity;
import org.apache.commons.httpclient.methods.StringRequestEntity;
import org.apache.commons.httpclient.params.HttpMethodParams;
import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;

/**
 * 短信发送
 * @author needytwh
 *
 */
public class MessageUtils {
	
	private MessageUtils(){};
	
	private static final  String sendUrl="http://112.74.139.4:8002/sms3_api/xmlapi/send.jsp";
	
	private static final  String statusUrl="http://112.74.139.4:8002/sms3_api/xmlapi/report.jsp";
	
	private static final  String upUrl="http://112.74.139.4:8002/sms3_api/xmlapi/upmsg.jsp";
	
	public static String sendMsg(String userid,String password,String phone,String content) throws HttpException, IOException{
		
		Document createDocument = DocumentHelper.createDocument();
		Element rootElement = DocumentHelper.createElement("root");
		createDocument.setRootElement(rootElement);
		
		rootElement.addAttribute("userid", userid);
		
		password = md5(password);
		String seqid = new SimpleDateFormat("yyMMddHHmmss").format(System.currentTimeMillis());
		String tick = ("00000" + new Random().nextInt(1000000));
		seqid = seqid + tick.substring(tick.length() - 6);
		String sign = md5(seqid + password);
		
		rootElement.addAttribute("seqid", seqid);
		rootElement.addAttribute("sign", sign);
		
		Element submitElement = rootElement.addElement("submit");
		submitElement.addAttribute("phone", phone);
		submitElement.addAttribute("content", content);
		
		String result = submitUrl(createDocument,sendUrl);
		return result;
	}

	
	private static String submitUrl(Document createDocument,String url) throws IOException, HttpException {
		HttpClient httpClient = new HttpClient();
		PostMethod method = new PostMethod(url);
		method.getParams().setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, "UTF-8");
		httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(5000);
        httpClient.getHttpConnectionManager().getParams().setSoTimeout(300000);
		
		RequestEntity requestEntity=new StringRequestEntity(createDocument.asXML());
		method.setRequestEntity(requestEntity);
		httpClient.executeMethod(method);
		String result = method.getResponseBodyAsString();
		return result;
	}
	
	
	public static String getMsgStatus(String userid,String password) throws HttpException, IOException{
		Document createDocument = DocumentHelper.createDocument();
		Element rootElement = DocumentHelper.createElement("root");
		createDocument.setRootElement(rootElement);
		
		rootElement.addAttribute("userid", userid);

		password = md5(password);
		String seqid = new SimpleDateFormat("yyMMddHHmmss").format(System.currentTimeMillis());
		String tick = ("00000" + new Random().nextInt(1000000));
		seqid = seqid + tick.substring(tick.length() - 6);
		String sign = md5(seqid + password);
		
		rootElement.addAttribute("seqid", seqid);
		rootElement.addAttribute("sign", sign);
		
		String result = submitUrl(createDocument,statusUrl);
		return result;
	}
	
	public static String getMsgUp(String userid,String password) throws HttpException, IOException{
		Document createDocument = DocumentHelper.createDocument();
		Element rootElement = DocumentHelper.createElement("root");
		createDocument.setRootElement(rootElement);
		
		rootElement.addAttribute("userid", userid);

		password = md5(password);
		String seqid = new SimpleDateFormat("yyMMddHHmmss").format(System.currentTimeMillis());
		String tick = ("00000" + new Random().nextInt(1000000));
		seqid = seqid + tick.substring(tick.length() - 6);
		String sign = md5(seqid + password);
		
		rootElement.addAttribute("seqid", seqid);
		rootElement.addAttribute("sign", sign);
		
		String result = submitUrl(createDocument,upUrl);
		return result;
	}
	
	
	public static MessageUtils getInstance() {
		return new MessageUtils();
	}
	
	public static String md5(String s) {
		char hexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
				'a', 'b', 'c', 'd', 'e', 'f' };
		try {
			byte[] btInput = s.getBytes();
			// 获得MD5摘要算法的 MessageDigest 对象
			MessageDigest mdInst = MessageDigest.getInstance("MD5");
			// 使用指定的字节更新摘要
			mdInst.update(btInput);
			// 获得密文
			byte[] md = mdInst.digest();
			// 把密文转换成十六进制的字符串形式
			int j = md.length;
			char str[] = new char[j * 2];
			int k = 0;
			for (int i = 0; i < j; i++) {
				byte byte0 = md[i];
				str[k++] = hexDigits[byte0 >>> 4 & 0xf];
				str[k++] = hexDigits[byte0 & 0xf];
			}
			return new String(str);
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	}
	
}