package cn.th.work.action;

import java.io.IOException;
import java.io.Serializable;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

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

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

import cn.th.work.entity.Sub;
import cn.th.work.service.SubService;
import cn.th.work.utils.PageBean;
import cn.th.work.utils.WebUtils;

@Controller
public class SubController {
     
	   @Resource
	   private SubService subService; 
	   
	   //增
	   @RequestMapping("/saveSub.action")
	   public String saveSub(Model md,Sub sub){
		  //增
		  subService.save(sub);
		//返回跳转的页面
		  md.addAttribute("hre", "getAllSub.action");
		  //用户的姓名
		  md.addAttribute("ke", sub.getSubName());
		  //跳转到成功界面  
		  return "/web/tips.jsp";
		   
	   }
	   
	   //删
	   @RequestMapping("/deleteSub.action")
	   public String deleteSub(HttpServletRequest request,Model md,String pageCurrent,int id){
		   //删
		   subService.deleteById(id);
		   //当前页
			md.addAttribute("pageCurrent", pageCurrent);
			//返回跳转的页面
			md.addAttribute("hre", "getAllSub.action");
		   return "/web/tips.jsp";
	   }
	   
	   //查：为修改作准备
	   @RequestMapping("/queryBySid.action")
	   public String queryBySid(HttpServletRequest request,int id,String pageCurrent,Model md){
		   //查
		   Sub sub=subService.get(id);
		   request.setAttribute("sub",sub);
		   //当前页
		   md.addAttribute("pageCurrent", pageCurrent);
		   return "/web/updateSub.jsp";
	   }
	   
	   //改
	   @RequestMapping("/updateSub.action")
	   public String updateSub(Model md,Sub sub,String pageCurrent){
		   //改
		   subService.update(sub);
		   //当前页
		   md.addAttribute("pageCurrent", pageCurrent);
		   //返回跳转的页面
		   md.addAttribute("hre", "getAllSub.action");
		   return "/web/tips.jsp";
	   }
	   
	   /**
		 * 批量删
		 */
	   @RequestMapping("/deletePartSub.action")
	   public String deletePartSub(HttpServletRequest request,Model md,String pageCurrent){
		   
		   String[] strs = request.getParameterValues("wId");
			
			Serializable[] ids = new Serializable[strs.length];
			
			for (int i = 0; i < strs.length; i++) {
				ids[i] = Integer.parseInt(strs[i]);

			}
			//批量删
			subService.deletePart(ids);
			//当前页
			md.addAttribute("pageCurrent", pageCurrent);
			//返回跳转的页面
			md.addAttribute("hre", "getAllSub.action");
		   return "/web/tips.jsp"; 
	   }
	   
	   
	 //查所有
		@RequestMapping("/getAllSub.action")
		public String queryAll(Model md,String ke,String pageCurrent){
			//创建map对象
			Map<String, Object> map=new HashMap<String, Object>();
			if(WebUtils.isNotNull(ke)){
				map.put("ke","%"+ke+"%");
			}
			//创建pageBean对象
			PageBean<Sub> bean=new PageBean<Sub>();
			bean.setTotalCount(subService.getCount(map));//设置总记录数
			if(WebUtils.isNotNull(pageCurrent)){
				if(Integer.parseInt(pageCurrent)<1){
					bean.setCurrentPage(1);//设置当前页
				}else if(Integer.parseInt(pageCurrent)>bean.getTotalPage()){
					bean.setCurrentPage(bean.getTotalPage());//设置当前页
				}else{
					bean.setCurrentPage(Integer.parseInt(pageCurrent));//设置当前页
				}
			}else{
				pageCurrent=""+1;
			}
			Integer firtPage=(bean.getCurrentPage()-1)*bean.getMaxNum();//起始条数
			Integer countPage=bean.getCurrentPage()*bean.getMaxNum()+1;//尾条数
			//给map添加值
			map.put("firtPage", firtPage);
			map.put("countPage", countPage);
			map.put("bean", bean);
			List<Sub> list=subService.getAll(map);
			
			if(list.size()==0){
			  return "/web/error2.jsp"; 
			}

			bean.setDatas(list);
			md.addAttribute("bean",bean);
			md.addAttribute("ke", ke);
			return "/web/advSub.jsp";
		}
	   
	  //查询科目名称供题库使用
	 @RequestMapping("/querySubName.action")
	 public String querySubName(HttpServletRequest request){
		List<Sub> list=subService.getSubName();
		request.setAttribute("list",list);
		return "/web/addTit.jsp"; 
	 }
	 
	 
	 //科目名异步处理
	 @RequestMapping("/addSubAjax.action")
	 public void addSubAjax(String subName,HttpServletResponse response) throws IOException{
		 Integer sid=subService.getSid(subName);
		 if(sid!=null){
			 response.getWriter().write("科目名已存在");
		 }else{
			 response.getWriter().write("");
		 }
	 }
	  
}