import com.diyfintech.constant.Constant.SuperAdmin;

 import com.diyfintech.pojo.SysUser;

 import org.apache.log4j.Logger;

 import javax.servlet.http.HttpServletRequest;

 import java.util.List;

 import java.util.Map;

 /**

  *

  * Session 工具类

  *

  */

 public final class SessionUtils {

     protected static final Logger logger = Logger.getLogger(SessionUtils.class);

     private static final String SESSION_USER = "session_user";

     private static final String SESSION_VALIDATECODE = "session_validatecode";//验证码

     private static final String SESSION_ACCESS_URLS = "session_access_urls"; //系统能够访问的URL

     private static final String SESSION_MENUBTN_MAP = "session_menubtn_map"; //系统菜单按钮

     /**

       * 设置session的值

       * @param request

       * @param key

       * @param value

       */

      public static void setAttr(HttpServletRequest request,String key,Object value){

          request.getSession(true).setAttribute(key, value);

      }

      /**

       * 获取session的值

       * @param request

       * @param key

       */

      public static Object getAttr(HttpServletRequest request,String key){

          return request.getSession(true).getAttribute(key);

      }

      /**

       * 删除Session值

       * @param request

       * @param key

       */

      public static void removeAttr(HttpServletRequest request,String key){

          request.getSession(true).removeAttribute(key);

      }

      /**

       * 设置用户信息 到session

       * @param request

       * @param user

       */

      public static void setUser(HttpServletRequest request,SysUser user){

          request.getSession(true).setAttribute(SESSION_USER, user);

      }

      /**

       * 从session中获取用户信息

       * @param request

       * @return SysUser

       */

      public static SysUser getUser(HttpServletRequest request){

         return (SysUser)request.getSession(true).getAttribute(SESSION_USER);

      }

      /**

       * 从session中获取用户信息

       * @param request

       * @return SysUser

       */

      public static void removeUser(HttpServletRequest request){

         removeAttr(request, SESSION_USER);

      }

      /**

       * 设置验证码 到session

       * @param request

       * @param validateCode

       */

      public static void setValidateCode(HttpServletRequest request,String validateCode){

          request.getSession(true).setAttribute(SESSION_VALIDATECODE, validateCode);

      }

      /**

       * 从session中获取验证码

       * @param request

       * @return SysUser

       */

      public static String getValidateCode(HttpServletRequest request){

         return (String)request.getSession(true).getAttribute(SESSION_VALIDATECODE);

      }

      /**

       * 从session中获删除验证码

       * @param request

       * @return SysUser

       */

      public static void removeValidateCode(HttpServletRequest request){

         removeAttr(request, SESSION_VALIDATECODE);

      }

      /**

       * 判断当前登录用户是否超级管理员

       * @param request

       * @return

       */

      public static boolean isAdmin(HttpServletRequest request){ //判断登录用户是否超级管理员

          SysUser user =  getUser(request);

          if(user == null  || !SuperAdmin.YES.key.endsWith(user.getIsSuperAdmin())){

              return false;

          }

          return true;

      }

      /**

      *设置当前用户可以访问的urls

      * @param request

      * @param accessUrls

      */

     public static void setAccessUrl(HttpServletRequest request,List<String> accessUrls){

          setAttr(request, SESSION_ACCESS_URLS, accessUrls);

      }

      /**

       * 判断URL是否可访问

       * @param request

       * @return

       */

      public static boolean isAccessUrl(HttpServletRequest request,String url){

          List<String> accessUrls = (List)getAttr(request, SESSION_ACCESS_URLS);

          if(accessUrls == null ||accessUrls.isEmpty() || !accessUrls.contains(url)){

              return false;

          }

          return true;

      }

      /**

       * 设置菜单按钮

       * @param request

       * @param btnMap

       */

      public static void setMemuBtnMap(HttpServletRequest request,Map<String,Object> btnMap){ //判断登录用户是否超级管理员

          setAttr(request, SESSION_MENUBTN_MAP, btnMap);

      }

      /**

       * 获取菜单按钮

       * @param request

       * @param menuUri

       */

      public static List<String> getMemuBtnListVal(HttpServletRequest request,String menuUri){

          Map btnMap  = (Map)getAttr(request, SESSION_MENUBTN_MAP);

          if(btnMap == null || btnMap.isEmpty()){

              return null;

          }

          return (List<String>)btnMap.get(menuUri);

      }

 }