package com.matrix.system.shopXcx.api;

import com.matrix.component.tools.HttpRequest;
import com.matrix.component.tools.HttpResponse;
import com.matrix.core.exception.GlobleException;
import com.matrix.core.tools.LogUtil;
import com.matrix.core.tools.StringUtils;
import net.sf.json.JSONObject;

import java.io.IOException;

/***
 * 公众号api工具
 */
public class WeChatGzhApiTools {
	/**
	 * 公众号秘钥
	 */
	private static final String GZH_SECRET = "gzh_secret";
	/**
	 * 公众号appid
	 */
	private static final String GZH_APPID = "gzh_appid";
	/**
	 * 微信登录url
	 */
	private static final String WECHAT_LOGIN_URL = "wechar_login_url";

	/**
	 * 上一次获取时间
	 */
	private static Long preTime;

	/**
	 * 当前有效的微信token
	 */
	private static String accessToken = "";

	private static String appid = "";
	private static String secret = "";





	/**
	 * 清空token
	 */
	public static void cleanAccessToken() {
		preTime = null;
		accessToken = "";
	}

	public static String getAccessToken(String gzhAppId, String gzhSecret) {

		if (isTokenInvalid()) {
			synchronized (accessToken) {
				if (isTokenInvalid()) {
					LogUtil.info("刷新微信accessToken");
					HttpRequest reqObj = new HttpRequest();
					HttpResponse result = null;
					try {
						result = reqObj
								.sendHttpGet("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid="
										+ gzhAppId+ "&secret=" + gzhSecret, null);
					} catch (IOException e) {
						LogUtil.error("获取公众号accessToken失败"+e.getMessage(),e);
						throw new GlobleException(e.getMessage());
					}
					JSONObject json = JSONObject.fromObject(result.getDataString());

					if(json.has("errmsg")){
						throw new GlobleException("获取返回刷新的accessToken失败"+json.toString());
					}else{
						String access_token = json.getString("access_token");
						accessToken = access_token;
						preTime = System.currentTimeMillis();
						LogUtil.info("返回刷新的accessToken={}", accessToken);
						return access_token;
					}

				} else {
					return accessToken;
				}
			}
		} else {
			LogUtil.info("返回现有accessToken={}", accessToken);
			return accessToken;
		}
	}

	/**
	 * token是否无效
	 *  TODO 由于现在有多个环境，为了防止冲突每次都获取新的token
	 * @return
	 */
	private static boolean isTokenInvalid() {
		/**		if (StringUtils.isNotBlank(accessToken) && preTime != null) {
		 Long now = System.currentTimeMillis() / 1000;
		 Long pre = preTime / 1000;
		 boolean invalid = (now - pre) > 6200;
		 return invalid;
		 } else {
		 return true;
		 }*/
		return true;
	}


}