package com.adc.da.util;

import com.google.common.collect.Maps;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.UnavailableSecurityManagerException;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.session.InvalidSessionException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.List;
import java.util.Map;

public class UserSysUtils {

	private UserSysUtils() {
		super();
	}

	private static Logger logger = LoggerFactory.getLogger(UserSysUtils.class);

	/**
	 *  当前登陆用户
	 */
	public static final String CURRENT_USER = "currentUser";

	/**
	 * 角色信息
	 */
	public static final String CACHE_ROLE_LIST = "roleList";
	/**
	 * 菜单信息
	 */
	public static final String CACHE_MENU_LIST = "menuList";
	public static final String CACHE_MENU_TREE = "menuTree";
	public static final String CACHE_AREA_LIST = "areaList";
	public static final String CACHE_OFFICE_LIST = "officeList";

	/**
	 * @see JwtSysUtils
	 */
	private static JwtSysUtils jwtUtils = SpringContextHolder1.getBean(JwtSysUtils.class);

	/**
	 * 退出
	 */
	public static void logout() {
		try {
			SecurityUtils.getSubject().logout();
		} catch (UnavailableSecurityManagerException e) {
			logger.error(e.getMessage(),e);
		} catch (InvalidSessionException e) {
			logger.error(e.getMessage(),e);
		}
	}


	/**
	 * 获取当前登陆用户ID
	 * @throws Exception 
	 */
	public static String getUserId() {
		return jwtUtils.getUserIdByToken();
	}


	public static void flush() {
		CacheUtils.removeCache(CURRENT_USER);
	}

	private static final class CacheUtils {

		public static Object getCache(String key) {
			return getCache(key, null);
		}

		public static Object getCache(String key, Object defaultValue) {
			Object obj = getCacheMap().get(key);
			return obj == null ? defaultValue : obj;
		}

		public static void putCache(String key, Object value) {
			getCacheMap().put(key, value);
		}

		public static void removeCache(String key) {
			getCacheMap().remove(key);
		}

		public static Map<String, Object> getCacheMap() {
			Map<String, Object> map = Maps.newHashMap();
			return map;
		}
	}
}