package com.nitpro.school.servlet;

import java.io.BufferedReader;
import java.io.StringReader;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.nitpro.school.bean.SubTitle;
import com.nitpro.school.bean.TopTitle;
import com.nitpro.school.bean.WorkItem;

public class WikiServlet extends HttpServlet {
	public void doPost(HttpServletRequest req,HttpServletResponse resp) throws ServletException, java.io.IOException{
		doIt(req, resp);
	}
	public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
		doIt(req, resp);
	}
/*---------------------
*作業
**一、選擇題
***選擇|1、中國的煤都是：|A、黑的;B、白的;C、紅的;D、綠的|A
***選擇|2、中國的煤都是：|A、黑的;B、白的;C、紅的;D、綠的|A;B
***選擇|3、中國的煤都是：|A、黑的;B、白的;C、紅的;D、綠的|A;B;C
**二、問答題
***問答|1、社會注意初級階段的特點？
***問答|2、社會注意初級階段的特點？
**三、文章
***文章|1、論國家與民族之間的沖突與平衡
***文章|2、論西方宗教與中國古哲學之間的關系
---------------------------------*/
	
	public void doIt(HttpServletRequest req, HttpServletResponse resp) throws ServletException, java.io.IOException{
		TopTitle topTitle = null;
		SubTitle lastSubTitle = null;
		int i = 1;
		
		String wiki = req.getParameter("wiki");
		StringReader sr = new StringReader(wiki);
		BufferedReader br = new BufferedReader(sr);
		String line = br.readLine();
		while(line != null){
            if(line.startsWith("***")){
            	WorkItem wi = MakeItem(line.substring(3));
            	String name = "n_" + i;
            	i = i + 1;
            	wi.setName(name);
            	lastSubTitle.addWorkItem(wi);
            }else if(line.startsWith("**")){
            	lastSubTitle = MakeSubtitle(line.substring(2));
            	topTitle.addSubTitle(lastSubTitle);
            }else if(line.startsWith("*")){
            	topTitle = MakeTopTitle(line.substring(1));
            	topTitle.setContent(wiki);
            }
			line = br.readLine();
		}
		req.setAttribute("topTitle", topTitle);
		RequestDispatcher rd = req.getRequestDispatcher("/wiki/view.jsp");
		rd.forward(req, resp);
	}
	
	private WorkItem MakeItem(String str){
		WorkItem wi = new WorkItem();
		String sutItem[] = str.split("\\|");
		wi.setType(sutItem[0]);
		wi.setTitle(sutItem[1]);
		if("選擇".equals(wi.getType())){
			wi.setForSelect(sutItem[2]);
			wi.setRightSelect(sutItem[3]);
		}
		return wi;
	}
	
	private SubTitle MakeSubtitle(String str){
		SubTitle st = new SubTitle();
		st.setTitle(str);
		return st;
	}

	private TopTitle MakeTopTitle(String str){
		TopTitle tt = new TopTitle();
		tt.setTitle(str);
		return tt;
	}
}