package seed.utils;

import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.log4j.Logger;
import org.jasypt.encryption.pbe.StandardPBEStringEncryptor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import seed.dao.FirewallDAO;

public class InterceptorCheck extends HandlerInterceptorAdapter{

	private Logger log = Logger.getLogger(this.getClass());
	
    @Autowired
    private FirewallDAO firewallDAO;

	@Value("#{config['server.host.name']}") 
	private String serverHostName;

	@Value("#{config['server.host.ip']}") 
	private String serverHostIp;
	
	@Value("#{config['seed.key']}") 
	private String seedKey;
	
	@Value("#{config['root.url']}") 
	private String rootUrl;
	
	@Value("#{config['seed.key.date']}") 
	private String seedKeyDate;
	
	private static String licenseKey = "seed";
	
	public static String getLicenseKey() {
		return licenseKey;
	}
    
	public void setSessionRemove(HttpSession session){
		session.removeAttribute("memberIdx");
		session.removeAttribute("memberId");
		session.removeAttribute("memberName");
		session.removeAttribute("memberDept");
		session.removeAttribute("memberPosition");
		session.removeAttribute("memberTel");
		session.removeAttribute("memberPhone");
		session.removeAttribute("memberEmail1");
		session.removeAttribute("memberEmail2");
		session.removeAttribute("memberGrant");
		
		session.removeAttribute("url");
		session.removeAttribute("message");
		session.removeAttribute("opener");
		session.removeAttribute("append");
		session.removeAttribute("self");
	}
	
	@Override
	public boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object handler) {
		
		HttpSession session = httpServletRequest.getSession();
		
		session.removeAttribute("url");
		session.removeAttribute("message");
		session.removeAttribute("opener");
		session.removeAttribute("append");
		session.removeAttribute("self");
		
		/*try{

			boolean hostNameChk = false;
			boolean hostIpChk = false;
			
			StandardPBEStringEncryptor pbeEnc = new StandardPBEStringEncryptor();
			pbeEnc.setPassword(InterceptorCheck.getLicenseKey());
			
			if(!pbeEnc.decrypt(seedKeyDate).equals("*")){
				
				SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
				
				Date getDate = new Date();
				Date seedKeyDateChk = sdf.parse(pbeEnc.decrypt(seedKeyDate));
				
				if(Integer.parseInt(sdf.format(getDate)) > Integer.parseInt(sdf.format(seedKeyDateChk))){
					session.setAttribute("url", "/common/seed.do");
					session.setAttribute("message", "common.message.no.seed");
					log.error("seedKeyDate Error");
					
					httpServletResponse.sendRedirect("/common/message.do");
					
					return false;
				}
			}
			
			String seedKeys[] = seedKey.split(",");
			String rootUrls[] = rootUrl.split(",");
			
			if(seedKeys.length != rootUrls.length){
				
				session.setAttribute("url", "/common/seed.do");
				session.setAttribute("message", "common.message.no.seed");
				log.error("seedKeys.length Error, rootUrls.length Error");
				
				httpServletResponse.sendRedirect("/common/message.do");
				
				return false;
			}
			
			for(int i=0; i<seedKeys.length; i++){
				
				if(!pbeEnc.decrypt(seedKeys[i]).equals(rootUrls[i])){
					
					session.setAttribute("url", "/common/seed.do");
					session.setAttribute("message", "common.message.no.seed");
					log.error("seedKeys Error");
					
					httpServletResponse.sendRedirect("/common/message.do");
					
					return false;
				}				
			}
			
			String hostName = "";
			String hostIp = "";
			InetAddress ip;
			
			try{

				ip = InetAddress.getLocalHost();
				hostName = ip.getHostName();
				hostIp = ip.getHostAddress();
				  
			}catch (UnknownHostException ex) {
				log.error("CHECK ERROR:",ex);
			}catch (Exception ex) {
				log.error("CHECK ERROR:",ex);
			}

			String serverHostNames[] = serverHostName.split(",");
			String serverHostIps[] = serverHostIp.split(",");
			
			if(serverHostNames.length != serverHostIps.length){
				
				session.setAttribute("url", "/common/seed.do");
				session.setAttribute("message", "common.message.no.seed");
				log.error("serverHostNames.length Error, serverHostIps.length Error");
				
				httpServletResponse.sendRedirect("/common/message.do");
				
				return false;
			}
			
			for(int i=0; i<serverHostNames.length; i++){
				
				if(hostName.replaceAll(" ", "").equals(pbeEnc.decrypt(serverHostNames[i].replaceAll(" ", "")))){
					hostNameChk = true;
					break;
				}				
			}
			
			for(int i=0; i<serverHostIps.length; i++){
				
				if(hostIp.replaceAll(" ", "").equals(pbeEnc.decrypt(serverHostIps[i].replaceAll(" ", "")))){
					hostIpChk = true;
					break;
				}
			}
			
			if(!hostNameChk || !hostIpChk){
				
				session.setAttribute("url", "/common/seed.do");
				session.setAttribute("message", "common.message.no.seed");
				log.error("hostName Error : " + hostNameChk + ", hostIp Error : " + hostIpChk);
				
				httpServletResponse.sendRedirect("/common/message.do");
				
				return false;
			}
			
		}catch (Exception e) {
			
			session.setAttribute("url", "/common/seed.do");
			session.setAttribute("message", "common.message.no.seed");
			log.error("CHECK ERROR:",e);
			
			try {
				httpServletResponse.sendRedirect("/common/message.do");
			} catch (IOException ex) {
				log.error("CHECK ERROR:",ex);
			}
			
			return false;
		}*/
		
//		boolean firewallChk = false;
		//테스트를 위한 수정_이준호_240704!!!!!!!!!!!!!!!!
//		boolean firewallChk = true;
//		
//		System.out.println("tset");
//		log.info("testsetset");
//		
//		List<Map<Object, Object>> firewallList = firewallDAO.getFirewallList();
//		
//		httpServletRequest.getHeader("WL-Proxy-Client-IP");
//		
//		String memberIp = httpServletRequest.getRemoteAddr();
//		
//		for(int i=0; i<firewallList.size(); i++){
//			
//			Map<Object, Object> tFirewallDB = firewallList.get(i); 
//			
//			if(memberIp.indexOf(":") > 0){
//				
//				if(tFirewallDB.get("_firewallAClass").equals("*") && tFirewallDB.get("_firewallBClass").equals("*") && tFirewallDB.get("_firewallCClass").equals("*")
//						 && tFirewallDB.get("_firewallDClass").equals("*") && tFirewallDB.get("_firewallEClass").equals("*") && tFirewallDB.get("_firewallFClass").equals("*")
//						 && tFirewallDB.get("_firewallGClass").equals("*") && tFirewallDB.get("_firewallHClass").equals("*")){
//					firewallChk = true;
//					break;
//				}
//
//				String[] memberIps = memberIp.split(":");
//				
//				if((memberIps[0].equals(tFirewallDB.get("_firewallAClass")) || tFirewallDB.get("_firewallAClass").equals("*")) && 
//						(memberIps[1].equals(tFirewallDB.get("_firewallBClass")) || tFirewallDB.get("_firewallBClass").equals("*")) && 
//						(memberIps[2].equals(tFirewallDB.get("_firewallCClass")) || tFirewallDB.get("_firewallCClass").equals("*")) && 
//						(memberIps[3].equals(tFirewallDB.get("_firewallDClass")) || tFirewallDB.get("_firewallDClass").equals("*")) && 
//						(memberIps[4].equals(tFirewallDB.get("_firewallEClass")) || tFirewallDB.get("_firewallEClass").equals("*")) && 
//						(memberIps[5].equals(tFirewallDB.get("_firewallFClass")) || tFirewallDB.get("_firewallFClass").equals("*")) && 
//						(memberIps[6].equals(tFirewallDB.get("_firewallGClass")) || tFirewallDB.get("_firewallGClass").equals("*")) && 
//						(memberIps[7].equals(tFirewallDB.get("_firewallHClass")) || tFirewallDB.get("_firewallHClass").equals("*"))){
//					
//					firewallChk = true;
//				}		
//				
//			}else{
//				
//				if(tFirewallDB.get("_firewallAClass").equals("*") && tFirewallDB.get("_firewallBClass").equals("*") && tFirewallDB.get("_firewallCClass").equals("*")){
//					firewallChk = true;
//					break;
//				}
//				
//				String[] memberIps = memberIp.split("\\.");
//				
//				if((memberIps[0].equals(tFirewallDB.get("_firewallAClass")) || tFirewallDB.get("_firewallAClass").equals("*")) && 
//						(memberIps[1].equals(tFirewallDB.get("_firewallBClass")) || tFirewallDB.get("_firewallBClass").equals("*")) && 
//						(memberIps[2].equals(tFirewallDB.get("_firewallCClass")) || tFirewallDB.get("_firewallCClass").equals("*"))){
//					
//					firewallChk = true;
//				}
//			}
//		}
//		
////		if(!firewallChk){
////			
////			setSessionRemove(session);
////			session.setAttribute("url", "/common/firewall.do");
////			session.setAttribute("message", "(message)현재 접속한 아이피("+memberIp+")는 접근하실수 없습니다.");
////			
////			try {
////				httpServletResponse.sendRedirect("/common/message.do");
////			} catch (IOException ex) {
////				log.error("CHECK ERROR:",ex);
////			}
////			
////			return false;
////		}
//		
//		boolean sessionChk = false;
//		
//		String[] urlChecks = {"/gta/login.do", "/gta/proc/loginProc.do", "/gta/proc/logoutProc.do", 
//				"/gtu/login.do", "/gtu/proc/loginProc.do", "/gtu/proc/logoutProc.do", 
//				"/gtm/login.do", "/gtm/proc/loginProc.do", "/gtm/proc/logoutProc.do", 
//				"/gte/login.do", "/gte/proc/loginProc.do", "/gte/proc/logoutProc.do", 
//				"Page.do", "PageProc.do"};
//		
//		for(int i=0; i<urlChecks.length; i++){
//			if(httpServletRequest.getRequestURI().indexOf(urlChecks[i]) > -1){
//				sessionChk = true;
//				break;
//			}
//		}
//
//		if(!sessionChk){
//			
//			Integer memberIdx = Integer.valueOf(SeedUtils.setReplaceNull(session.getAttribute("memberIdx"),"0"));
//			String memberGrant = (String)SeedUtils.setReplaceNull(session.getAttribute("memberGrant"),"N");
//			
//			if(memberIdx == 0 || (!memberGrant.equals("S") && !memberGrant.equals("U") && !memberGrant.equals("SM") && !memberGrant.equals("M"))){
//				
//				setSessionRemove(session);
//				if(httpServletRequest.getRequestURI().indexOf("/gta/") >= 0){
//					session.setAttribute("url", "/gta/login.do");
//				}else if(httpServletRequest.getRequestURI().indexOf("/gtu/") >= 0){
//					session.setAttribute("url", "/gtu/login.do");
//				}else if(httpServletRequest.getRequestURI().indexOf("/gtm/") >= 0){
//					session.setAttribute("url", "/gtm/login.do");
//				}else if(httpServletRequest.getRequestURI().indexOf("/gte/") >= 0){
//					session.setAttribute("url", "/gte/login.do");
//				}
//				
//				session.setAttribute("message", "common.message.no.login");
//				
//				try {
//					httpServletResponse.sendRedirect("/common/message.do");
//				} catch (IOException ex) {
//					log.error("CHECK ERROR:",ex);
//				}
//				
//				return false;
//			}			
//		}

		return true;
	}
	 
	@Override
	public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object handler, ModelAndView modelAndView) {
	  
		//log.error("postHandle : " + request.getRequestURI());
		
		/*
		log.error("request : " + request);
		log.error("response : " + response);
		log.error("handler : " + handler);
		log.error("modelAndView : " + modelAndView);
		*/
		
		//log.error("check postHandle");
	}
	 
	@Override
	public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object handler, Exception ex) {
	  
		//log.error("afterCompletion : " + request.getRequestURI());
		
		/*
		log.error("request : " + request);
		log.error("response : " + response);
		log.error("handler : " + handler);
		*/
		
		//log.error("check afterCompletion");
	}
}