package com.ekexiu.portal.service;

import java.security.MessageDigest;
import java.util.Formatter;
import java.util.HashMap;
import java.util.Map;

import org.jfw.apt.web.annotation.Path;
import org.jfw.apt.web.annotation.operate.Get;
import org.jfw.util.StringUtil;
import org.jfw.util.reflect.TypeReference;

import com.ekexiu.portal.util.HttpUtil;

@Path("/weixin")
public class WeixinService {
	private String jsApiTicket = null;
	private String jsApiOauthUrl = "https://api.weixin.qq.com/cgi-bin/token";
	private String jsApiTicketUrl = "https://api.weixin.qq.com/cgi-bin/ticket/getticket";
	private String jsApiAppId = "wx9803e86056ddbdd5";
	private String jsApiAppSecret = "64b88e58a7adef91068b9eb364891dcb";
	private String jsApiToken = null;
	private long delayTime=7200L;
	public long getDelayTime() {
		return delayTime;
	}

	public void setDelayTime(long delayTime) {
		this.delayTime = delayTime;
	}

	public String getJsApiTicket() {
		return jsApiTicket;
	}

	public void setJsApiTicket(String jsApiTicket) {
		this.jsApiTicket = jsApiTicket;
	}

	public String getJsApiOauthUrl() {
		return jsApiOauthUrl;
	}

	public void setJsApiOauthUrl(String jsApiOauthUrl) {
		this.jsApiOauthUrl = jsApiOauthUrl;
	}

	public String getJsApiTicketUrl() {
		return jsApiTicketUrl;
	}

	public void setJsApiTicketUrl(String jsApiTicketUrl) {
		this.jsApiTicketUrl = jsApiTicketUrl;
	}

	public String getJsApiAppId() {
		return jsApiAppId;
	}

	public void setJsApiAppId(String jsApiAppId) {
		this.jsApiAppId = jsApiAppId;
	}

	public String getJsApiAppSecret() {
		return jsApiAppSecret;
	}

	public void setJsApiAppSecret(String jsApiAppSecret) {
		this.jsApiAppSecret = jsApiAppSecret;
	}

	public String getJsApiToken() {
		return jsApiToken;
	}

	public void setJsApiToken(String jsApiToken) {
		this.jsApiToken = jsApiToken;
	}

	private void refreshToken() {
		try {
			String url = jsApiOauthUrl + "?grant_type=client_credential&appid=" + jsApiAppId + "&secret=" + jsApiAppSecret;
			Map<String, Object> map = HttpUtil.loadJsonObject(url, (new TypeReference<Map<String, Object>>() {
			}).getType());
			this.jsApiToken = (String) map.get("access_token");
			if (this.jsApiToken.length() == 0)
				this.jsApiToken = null;
		} catch (Exception e) {
			this.jsApiToken = null;
		}
	}

	private void refreshJsApiTicket() {
		jsApiTicket = null;
		if (this.jsApiToken != null) {
			try {
				String url = jsApiTicketUrl + "?type=jsapi&access_token=" + this.jsApiToken + "&secret=" + jsApiAppSecret;
				Map<String, Object> map = HttpUtil.loadJsonObject(url, (new TypeReference<Map<String, Object>>() {
				}).getType());
				this.jsApiTicket = (String) map.get("ticket");
				if (this.jsApiTicket.length() == 0)
					this.jsApiTicket = null;
			} catch (Exception e) {
				this.jsApiToken = null;
			}
		}
	}

	//定时任务，2小时执行一次
	public void refresh() {
		this.refreshToken();
		this.refreshJsApiTicket();
	}
	@Get
	@Path("/jsapiTicket")
	public Map<String, String> jsSDK_Sign(String url) throws Exception {
		if (this.jsApiTicket == null)
			return null;
		String noncestr = StringUtil.buildUUID();
		String timestamp = "" + System.currentTimeMillis();

		String string1 = "jsapi_ticket=" + this.jsApiTicket + "&noncestr=" + noncestr + "&timestamp=" + timestamp + "&url=" + url;
		MessageDigest crypt = MessageDigest.getInstance("SHA-1");
		crypt.reset();
		crypt.update(string1.getBytes("UTF-8"));
		String signature = byteToHex(crypt.digest());
		Map<String, String> jssdk = new HashMap<String, String>();
		jssdk.put("appId", this.jsApiAppId);
		jssdk.put("timestamp", timestamp);
		jssdk.put("nonceStr", noncestr);
		jssdk.put("signature", signature);
		return jssdk;
	}

	private static String byteToHex(final byte[] hash) {
		Formatter formatter = new Formatter();
		for (byte b : hash) {
			formatter.format("%02x", b);
		}
		String result = formatter.toString();
		formatter.close();
		return result;
	}

}