package com.fgkj.Filters;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;

import com.fgkj.actions.ActionUtil;
import com.fgkj.actions.CustompageAction;
import com.fgkj.dto.Custompage;
import com.fgkj.dto.User_inf;
import com.fgkj.dto.User_permitgroup;
import com.google.gson.reflect.TypeToken;
/**
 * 防止用户非法盗链
 * @author 军
 *
 */
public class HotlinkFilter extends ActionUtil implements Filter{
	//定义一个联系导航和权限的数组
	String[][] temp={
			//数据管理内有查询功能的页面
         	{"batttest_data_query_permit","11"},	//电池充放电数据管理
         	{"batttest_data_edit_permit","12"},		//上传fbo/idc数据
         	{"batttest_data_edit_permit","13"},		//上传内阻/电导数据
         	{"batttest_data_query_permit","14"},	//数据统计查询报表
         	
         	{"battinf_report_query_permit","19"},	//电池信息统计查询
         	{"battgroup_report_query_permit","20"},	//电池组统计分析查询
         	{"monomer_report_query_permit","21"},	//电池单体统计分析查询
         	{"battlarm_report_query_permit","21"},	//电池单体统计分析查询
         	
         	//作业管理内有查询功能的页面
         	{"task_query_permit","33"},	//作业管理
         	{"task_query_permit","34"},	//作业参数
         	{"task_query_permit","35"},	//节假日管理
         	{"task_query_permit","36"},	//作业模板管理
         	{"task_query_permit","37"},	//作业变更查询
         	{"task_query_permit","38"},	//作业报表
         	{"task_query_permit","39"},	//动环C接口状态
         	{"task_query_permit","40"},	//短信设备状态
         	{"task_query_permit","42"},	//作业抽查管理
         	
         	//用户和包机组管理权限
         	{"usr_query_permit","44"},	//用户管理
         	{"usr_query_permit","46"},	//包机组管理
         	
         	{"permit_query_permit","45"},	//权限管理
         	
         	//服务器参数设置权限
         	{"server_param_query_permit","49"},	//参数设置
         	
         	//电池告警管理权限
         	{"batt_alm_query_permit","27"},	//电池告警实时查询
         	{"batt_alm_query_permit","28"},	//电池告警历史查询
         	
         	//设备告警管理权限
         	{"dev_alm_query_permit","29"},	//设备告警实时查询
         	{"dev_alm_query_permit","30"},	//设备告警历史查询
         	
         	//电池故障管理权限
         	{"battfault_query_permit","24"},	//电池故障维护查询
         	{"battfault_query_permit","25"},	//电池故障维护统计报表
         	
         	//作业抽查任务管理权限
         	{"usr_taskcheck_query_permit","42"},	//作业抽查管理
         	
         	//作业变更管理权限
         	{"taskchange_query_permit","37"},	//作业变更查询
         	
         	{"batt_test_op_permit","58"},	//电池放电测试
         	{"batt_test_op_permit","81"},	//批量电池放电测试
         	
         	//超级管理员界面
         	{"batt_discharge_model_permit","59"},	//设备充放电模块参数
         	{"batt_discharge_model_permit","63"},	//电池组信息配置
         	{"batt_discharge_model_permit","68"},	//线程监控管理
         	{"batt_discharge_model_permit","64"},	//用户密码重置
         	{"batt_discharge_model_permit","65"},	//班组管理
         	{"batt_discharge_model_permit","71"},	//电池组配组管理
         	{"batt_discharge_model_permit","82"},	//基站安装审批
         	{"batt_discharge_model_permit","83"},	//BTS设备升级
         	
         	{"batt_alm_param_query_permit","31"},		//告警参数设置
         	{"batt_alm_param_query_permit","66"},		//设备告警参数设置
	};
			
	
	public void destroy() {	
		
	}
	
	public void doFilter(ServletRequest req, ServletResponse resp,
			FilterChain chain) throws IOException, ServletException {
		//System.out.println("。。。。。。");
		HttpServletRequest request=(HttpServletRequest)req;	
		String URL=request.getRequestURI();
		String[] uri=request.getRequestURI().split("/");		
		String source=uri[uri.length-1];
		//System.out.println("***"+source+"***");
		boolean flag=false;
		if("login.jsp".equalsIgnoreCase(source) || "navConfig.jsp".equalsIgnoreCase(source) || "pwdChange.jsp".equalsIgnoreCase(source) || "fuguang".equals(source) || "index.jsp".equals(source)){
			flag=true;
			if("login.jsp".equalsIgnoreCase(source)){
				//进入登录页面的时候查询导航数组并且将其存入session
				//new CustompageAction().searchAll();
			}
		}else{		
			List<Custompage> custompages = (List<Custompage>) ActionUtil.getSession().getAttribute("custompages");
			//System.out.println(custompages);
			Custompage cust = getCustompage(source,custompages);
			if(cust==null){
				flag=true;
				//System.out.println("......"+source+"......");
			}else{
				String permitName=getPermitName(cust.getNum(),temp);
				if(permitName.equalsIgnoreCase("")){
					if(cust.getSubflag()==1){
						flag=true;
					}
				}else{
					List<User_permitgroup> permits=ActionUtil.getGson("yyyy-MM-dd HH:mm:ss").fromJson(ActionUtil.getSession().getAttribute("permits").toString(), new TypeToken<List<User_permitgroup>>(){}.getType());
					//System.out.println(permitName);
					//System.out.println(permits);
					User_permitgroup permit=getPermitByName(permitName, permits);
					//System.out.println(cust);
					if(permit!=null && permit.getPermit_item_value()==1 && cust.getSubflag()==1){
						flag=true;
					}					
				}
				Custompage t=getMainMenu(cust, custompages);
				if(t!=null && t.getSubflag()==0){
					flag=false;
				}
			}			
		}
		//System.out.println(source+"---->"+flag);
		if(flag){
			chain.doFilter(req, resp);
		}else{
			PrintWriter out=ActionUtil.getOut();
			out.print("<script charset='UTF-8'>alert('您还未有权限进入该页面,请向管理员申请');window.close()</script>");
		}
	}


	public void init(FilterConfig arg0) throws ServletException {
				
	}
	
	//判断当前用户是否有(permit)该权限
	public static boolean getAlow(List<User_permitgroup> permits,User_permitgroup permit){
		boolean flag=false;
		for (int i = 0; i < permits.size(); i++) {
			if(permits.get(i).getPermit_item_name().equalsIgnoreCase(permit.getPermit_item_name())){
				flag=true;
				break;
			}
		}
		return flag;
	}
	
	//根据权限的名字获取权限对象
	public static User_permitgroup getPermitByName(String name,List<User_permitgroup> permits){
		for(int i=0;i<permits.size();i++){
			if(name.equalsIgnoreCase(permits.get(i).getPermit_item_name())){
				return permits.get(i);
			}
		}
		//System.out.println("没有该权限");
		return null;
	}
	
	//根据访问的页面获取导航对象
	public static Custompage getCustompage(String target,List<Custompage> Custs){
		for(int i=0;Custs!=null && i<Custs.size();i++){
			if(target.equalsIgnoreCase(Custs.get(i).getSublink()) && Custs.get(i).getSubjudge()!=0){
				return Custs.get(i);
			}
		}
		//System.out.println("未找到该导航");
		return null;
	}
	
	//根据导航对象获取其主菜单对象
	public static Custompage getMainMenu(Custompage cust,List<Custompage> Custs){
		if(cust!=null){
			for(int i=0;i<Custs.size();i++){
				if(cust.getNavigate_order()==Custs.get(i).getNavigate_order() && cust.getNavigate().equalsIgnoreCase(Custs.get(i).getNavigate()) && Custs.get(i).getSubjudge()==2){
					return Custs.get(i);
				}
			}
		}
		return null;
	}
	
	//根据导航的num获取所需权限的名字
	public static String getPermitName(Integer num,String[][] tempStr){
		for(int i=0;i<tempStr.length;i++){
			if(num==Integer.parseInt(tempStr[i][1])){
				return tempStr[i][0];
			}
		}
		//System.out.println("不需要权限");
		return "";
	}
}