package com.wjs.tk.action;

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

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

import org.apache.log4j.Logger;
import org.apache.struts2.ServletActionContext;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

import com.wjs.tk.service.CharpterService;
import com.wjs.tk.util.JSONTools;
import com.wjs.tk.vo.CharpterVo;
import com.opensymphony.xwork2.ActionSupport;
@Controller
@Scope("prototype")
public class CharpterAction extends ActionSupport {
	Logger logger = Logger.getRootLogger();
	private CharpterService service;
	private HttpServletRequest request;
	private HttpServletResponse response;

	public void setService(CharpterService service) {
		this.service = service;
	}

	private static final String PREINSERT = "preinsert";
	private static final String INSERT = "insert";
	private static final String MODIFY = "modify";
	private static final String PREMODIFY = "premodify";
	private static final String MODIFYERROR = "modifyError";
	private static final String SHOW = "show";

	@Override
	public String execute() throws Exception {
		System.out.println("CharpterAction is running!");
		return SHOW;
	}

	/**
	 * pre insert charpter
	 * 
	 * @return PREINSERT
	 * @throws Exception
	 */
	public String preInsertCharpter() throws Exception {

		System.out.println("insertCharpter is running!");
		return PREINSERT;
	}

	/**
	 * insert charpter
	 * 
	 * @return INSERT
	 * @throws Exception
	 */
	public void insertCharpter() throws Exception {
		request = ServletActionContext.getRequest();
		response = ServletActionContext.getResponse();
		
		String sid = request.getParameter("s_id");
		String cname = request.getParameter("cname");
		
		CharpterVo vo = new CharpterVo();
		vo.setSid(Integer.parseInt(sid));
		vo.setCname(cname);
		int flg  = service.insertCharpter(vo);
		
		String message = "0";
		if (0 != flg) {
			message = String.valueOf(flg);
		}
		
		JSONTools.outJsonString(message, response);
		//return INSERT;
	}

	/**
	 * 查看题库全部章节
	 * 
	 * @return
	 * @throws Exception
	 */
	public void showCharpter() throws Exception {
		request = ServletActionContext.getRequest();
		response = ServletActionContext.getResponse();
		String sid = request.getParameter("sid");
		List<CharpterVo> cList = null;
		if (sid != null && !"".equals(sid)) {
			cList = service.selectCharpterWithSubject(sid);
		}
		//request.setAttribute("cList", cList);

		JSONTools.outJsonString(JSONTools.getJsonArray(cList), response);
		//return SHOW;
	}

	/**
	 * 选择出想修改的章节名
	 * 
	 * @return
	 * @throws Exception
	 */
	public String preModifyCharpter() throws Exception {
		request = ServletActionContext.getRequest();

		String cid = request.getParameter("cid");
		CharpterVo cvo = service.selectCharpterById(cid);
		logger.info(cvo.getCid() + "---- " + cvo.getCname());
		request.setAttribute("cvo", cvo);

		return PREMODIFY;
	}
	/**
	 * 修改章节名
	 * 
	 * @return
	 * @throws Exception
	 */
	public void modifyCharpter() throws Exception {
		request = ServletActionContext.getRequest();
		response = ServletActionContext.getResponse();
		String sid = request.getParameter("sid");
		String cid = request.getParameter("cid");
		String cname = request.getParameter("cname");
		CharpterVo cvo = new CharpterVo();

		if (cname == null) {
			JSONTools.outJsonString("章节名不能为NULL", response);
			return ;
		}

		if ("".equals(cname)) {
			JSONTools.outJsonString("章节名不能为空", response);
			return ;
		}

		if (sid == null||"".equals(sid)) {
			JSONTools.outJsonString("题库ID 为空", response);
			return ;
		}
		cvo.setCid(Integer.parseInt(cid));
		cvo.setCname(cname);
		cvo.setSid(Integer.parseInt(sid));
		int flg = service.modifyCharpter(cvo);
		logger.info(cid+"    " + cname +"   " + flg);

		String message = "0";
		if (flg == 1) {
			message = "1";
		}
		
		JSONTools.outJsonString(message, response);

	}

	/**
	 * 删除章节
	 * 
	 * @return
	 * @throws Exception
	 */
	public void deleteCharpter() throws Exception {
		request = ServletActionContext.getRequest();
		response = ServletActionContext.getResponse();
		String cid = request.getParameter("cid");
		int flg = 0;
		if (cid != null && !"".equals(cid)) {
			flg = service.deleteCharpterById(cid);
		}
//		List<CharpterVo> cList = null;
//		if (flg != 0) {
//			cList = service.selectCharpterWithSubject("3119");
//			request.setAttribute("cList", cList);
//		}
		String message = "0";
		if (flg == 1) {
			message ="1";
		}
		JSONTools.outJsonString(message, response);
		//return SHOW;
	}

	
	public void selectCharpterCascade() throws Exception {
		request = ServletActionContext.getRequest();
		response = ServletActionContext.getResponse();
        System.out.println("selectCharpterCascade开始执行");
		String sid = null;
		String message = "notExist";
		List<CharpterVo> list = null;
		PrintWriter out = null;
		try {
			sid = request.getParameter("sid");
			list = service.selectCharpterWithSubject(sid);
			System.out.println("selectCharpterCascade执行完毕"+list.size());
			int length = list.size();
			message = JSONTools.getJsonArray(list);
			System.out.println("aaaaaaaaaaaaaaaaaaaaaaa"+message);
			JSONTools.outJsonString(message, response);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

}