package it.com.action;

import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.ArrayList;

import java.util.Date;


import java.util.HashMap;

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

import it.com.bean.Shijuan;
import it.com.service.TeacherService;
import it.com.service.AnswerService;

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

import net.sf.json.JSONArray;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

@Controller
public class AnswerAction {
@Resource
AnswerService as;
@Resource
TeacherService ts;
//跳转到首页
int kongzhi=1;
@RequestMapping("back_home.action")
public ModelAndView back(HttpServletRequest request,HttpSession session){
	return new ModelAndView("stu/main.jsp");
}
int[] xx = new int[20];
// 根据知识点查找题目（开始答题）
@RequestMapping("findquestion.action")
	public ModelAndView findquestion(HttpServletRequest request,HttpSession session){
	    listqj.clear();
	    kongzhi = 1;
	    String knowledge=request.getParameter("knowledge");
		String username = session.getAttribute("user").toString();
		//获取日期
		String dateNowStr = as.getDate();
		session.setAttribute("datidate",dateNowStr);
		//插入试卷
		as.insertShijuan(username,dateNowStr);
		//获取试卷id
		int shijuanid = as.selectShijuanid(username, dateNowStr);
		session.setAttribute("datishijuanid", shijuanid);
		int subjectid=Integer.parseInt(request.getParameter("subjectid"));
		List<Map> list=ts.findQuestionsByIdknow(knowledge, subjectid);
		List list1=new ArrayList();
		int index=(int)(Math.random()*list.size());
		for(int i=0;i<20;i++){
			//控制随机数不重复，也就是说一份试卷不会获取相同的试题
			for(int j=0;j<20;j++){
				while(xx[j]==index){
					index=(int)(Math.random()*list.size());
					j=-1;
					break;
				}
			}
			xx[i] = index;
			//获取list里面随机一条数据
			//将其保存在list中
			list1.add(list.get(index));
		}
		session.setAttribute("pageSize",ts.countPage());
		session.setAttribute("list", list1);
		String n=request.getParameter("n");
		if(n==null) n="1";
		return new ModelAndView("stu/showq.jsp?n="+n);
	}
List<Map> listqj = new ArrayList();
// 答题过程中保存所答题目
@RequestMapping("saveAns.action")
	public ModelAndView saveAns(HttpServletRequest request,HttpSession session){
	    int shijuanid = 0;
	    int n=Integer.parseInt(request.getParameter("n"));
	    n = n+1;
	    int pageSize=Integer.parseInt(session.getAttribute("pageSize").toString());
	    shijuanid = Integer.parseInt(session.getAttribute("datishijuanid").toString());
	    String title = request.getParameter("title").toString();
		int count=-1,questionid=0;
		questionid=Integer.parseInt(request.getParameter("qid"));
		String trueans = request.getParameter("trueans").toString();
		String uri="",ans="";
		ans=request.getParameter("ans");
		String username = session.getAttribute("user").toString();
		int judge = 0;
		if(trueans.equalsIgnoreCase(ans)){
			judge = 1;
		}else{
			judge = 0;
		} 
		Map map = new HashMap();
		map.put("title",title); 
		map.put("username",username);
		map.put("questionid", questionid);
		map.put("stuanswer", ans);
		map.put("judge", judge);
		map.put("shijuanid", shijuanid);
		map.put("trueans", trueans);
		listqj.add(map);
		request.getSession().setAttribute("listqj",listqj); 
		if(n<=20){
            return new ModelAndView("stu/showq.jsp?n="+n);
		}else{
			return new ModelAndView("submitAns.action");
		}
	}

// 提交试卷
@RequestMapping("submitAns.action")
public ModelAndView submitAns(HttpServletRequest request,HttpSession session){
	int pageSize=Integer.parseInt(session.getAttribute("pageSize").toString());
	List<Map> list1 = new ArrayList();
	String b="";
	synchronized (b) {
		String username = session.getAttribute("user").toString();
		for(Map m : listqj){
			if(m.get("username").equals(username)){
				list1.add(m);
			}
		}
//		System.out.println("list1==="+list1);
	}                 
	String a = " ";
	int judgeCount = 0;
	synchronized (a) {
		for(Map m:list1){
			String username = session.getAttribute("user").toString();
			if(m.get("username").equals(username)&&m.get("judge").equals(1)){
				judgeCount = judgeCount+1;
//				System.out.println("judgeCount"+judgeCount);
		}
	}                 
//	System.out.println("judgeCount=="+judgeCount);
	String username = session.getAttribute("user").toString();
	System.out.println("list1=="+list1);
	if(kongzhi == 1){
		as.insertAnswer(list1);		
	}else{
		as.updateShijuan(list1);
	}
	System.out.println("insertAnswerlist1"+list1);
	String date = request.getParameter("datidate");
	int shijuanid = Integer.parseInt(session.getAttribute("datishijuanid").toString());
	System.out.println("insert+shijuanid=="+shijuanid);
    as.insertGrade(judgeCount, shijuanid);
	session.setAttribute("resultList", list1);
	session.setAttribute("judgeCount",judgeCount);
	System.out.println("listqj.size()===="+listqj.size());
	return new ModelAndView("stu/showresult.jsp");
	}
}
// 清除全局list
@RequestMapping("clear.action")
public ModelAndView clear(HttpSession session){
	String username = session.getAttribute("user").toString();
	for(Map m: listqj){
		if(m.get("username").equals(2)){
			listqj.remove(m);
			System.out.println("yes");
		}
	}
//	System.out.println("clear==="+listqj);
	return new ModelAndView("back_home.action");
}

// 查找所有成绩
@RequestMapping("selectAllGrade.action")
public ModelAndView selectAllGrade(HttpSession session){
	String username = session.getAttribute("user").toString();
	List<Map> Gradelist = as.selectAllGrade(username);
	session.setAttribute("Gradelist", Gradelist);
	return new ModelAndView("stu/showAllGrade.jsp");
}

//查看历史的某一份试卷
@RequestMapping("selectshijuan.action")
public ModelAndView selectshijuan(HttpSession session,HttpServletRequest request){
	String username = session.getAttribute("user").toString();
    String date = request.getParameter("date");
    System.out.println("user =date="+username+date);
    int shijuanid = as.selectShijuanid(username, date);
    System.out.println("shijuanid"+shijuanid);
    List<Map> listsj = as.selectAnswer(shijuanid);
    session.setAttribute("listsj", listsj);
    System.out.println("listsj="+listsj.size());
	return new ModelAndView("stu/showsj.jsp");
}
//删除某次试卷及答题答案
@RequestMapping("deleteshijuan.action")
public ModelAndView deleteshijuan(HttpSession session,HttpServletRequest request){
	String date=request.getParameter("date");
	int shijuanid=Integer.parseInt(request.getParameter("id"));
	as.delsj(date, shijuanid);
	System.out.println("del_success");
	return new ModelAndView("selectAllGrade.action");
}

//重新答题
@RequestMapping("againAnwser.action")
public ModelAndView againAnwser(HttpSession session,HttpServletRequest request){
	listqj.clear();
	System.out.println("clear=="+listqj);
	int n=1;
	String username = session.getAttribute("user").toString();
    String date = request.getParameter("date");
    int shijuanid = as.selectShijuanid(username, date);
    List<Map> againlist = as.selectAnswer(shijuanid);
    System.out.println("againlist=="+againlist.size());
    session.setAttribute("list", againlist);
    session.setAttribute("datishijuanid", shijuanid);
    session.setAttribute("pageSize", againlist.size());
    request.setAttribute("judgeCount",0);
    kongzhi = 0;
	return new ModelAndView("stu/showq.jsp?n="+n);
}
}