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package com.tmsps.ne4Weixin.api;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.tmsps.ne4Weixin.beans.UserInfo;
import com.tmsps.ne4Weixin.config.WxConfig;
import com.tmsps.ne4Weixin.utils.HttpClient;

/**
 * 
 * @author zhangwei [email protected] 
 */
public class UserAPI extends BaseAPI {
	private static String GETUSERINFO = BaseURL.concat("/cgi-bin/user/info");
	private static String GETUSERLIST = BaseURL.concat("/cgi-bin/user/get");

	public UserAPI(WxConfig config) {
		super(config);
	}
	
	/**
	 * 获取用户信息
	 * @param openId
	 * @return
	 */
	public UserInfo getUserInfo(String openId) {
		Map params = new HashMap();
		params.put("access_token", config.getAccessToken());
		params.put("openid", openId);
		params.put("lang", "zh_CN");
		JSONObject result = JSON.parseObject(HttpClient.httpGet(GETUSERINFO, params));
		return JSON.parseObject(result.toJSONString(), UserInfo.class);
	}

	/**
	 * 获取用户列表
	 * 相关文档 https://mp.weixin.qq.com/wiki/12/54773ff6da7b8bdc95b7d2667d84b1d4.html
	 */
	public JSONObject getUserList() {
		return getUserList(null);
	}
	
	public JSONObject getUserList(String next_openid) {
		Map params = new HashMap();
		params.put("access_token", config.getAccessToken());
		if (next_openid != null && "".equals(next_openid.trim())) {
			params.put("next_openid", next_openid);
		}
		JSONObject result = JSON.parseObject(HttpClient.httpGet(GETUSERLIST, params));
		log.debug(result.toString());
		return result;
	}
	
	/**
	 * 获取平台的所有用户的 openid 列表
	 * @return
	 */
	public List getAllUserList() {
		List end = new ArrayList();
		int count = 0;
		String next_openid = null;
		do {
			JSONObject userListObj = getUserList(next_openid);
			count = userListObj.getIntValue("count");
			next_openid = userListObj.getString("next_openid");
			if (count > 0) {
				JSONArray openids = userListObj.getJSONObject("data")
						.getJSONArray("openid");
				log.debug(openids.toJSONString());
				openids.forEach(e -> {
					end.add(e.toString());
				});
			}
		} while (count >= 10000);

		return end;
	}
	
}