package com.qxueyou.scc.exercise.action;

import java.io.BufferedOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.List;

import javax.servlet.http.HttpServletResponse;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

import com.qxueyou.scc.base.dao.CommonDAO;
import com.qxueyou.scc.base.model.Result;
import com.qxueyou.scc.exercise.model.ExerciseDeepAnalysis;
import com.qxueyou.scc.exercise.service.IExerciseDeepAnaService;
import com.qxueyou.scc.sys.service.IOssService;

/**
 * 练习深度解析控制
 * @author ody
 *
 */
@Controller
@RequestMapping(value = "/exercise/ExerciseDeepAna")
public class ExerciseDeepAnaController {
	
	@Autowired
	private CommonDAO commonDAO;
	
	@Autowired
	IOssService ossService;
	
	@Autowired
	IExerciseDeepAnaService exerciseDeepAnaService;
	
	/**
	 * 练习深度解析主页
	 * 
	 * @return
	 */
	@RequestMapping(method = RequestMethod.GET)
	public String listPage() {
		return "/exercise/ExerciseDeepAna";
	}
	
	/**
	 * 列表加载解析数据
	 * @param signId
	 * @return
	 */
	@RequestMapping(value = "data",method = RequestMethod.GET)
	public @ResponseBody List<ExerciseDeepAnalysis> queryList() {
		
		String hql = "from ExerciseDeepAnalysis e where e.deleteFlag is false order by createTime desc ";
		
		return commonDAO.find(hql, ExerciseDeepAnalysis.class);
	}
	
	/**
	 * 下载文档
	 * 
	 * @return
	 * @throws IOException 
	 */
	@RequestMapping(value = "downloadDoc/{deepAnaId}", method = RequestMethod.GET)
	public String downloadDoc(@PathVariable String deepAnaId,HttpServletResponse response) throws IOException {

		ExerciseDeepAnalysis obj = commonDAO.read(ExerciseDeepAnalysis.class, deepAnaId);
		
		String docPath = obj.getDocPath();
		
		InputStream is = ossService.getObject(docPath);
	    String fileName = docPath.substring(docPath.lastIndexOf("/") + 1, docPath.length());
	    
	    response.reset();
		response.setContentType("application/msword;charset=utf-8");
		response.setHeader("Content-Disposition", "attachment;filename="+ new String(fileName.getBytes(), "iso-8859-1"));
		
		OutputStream os = new BufferedOutputStream(response.getOutputStream());
		
	    byte[] tempBytes = new byte[1024];
	    int readTemp = 0;
	    while((readTemp = is.read(tempBytes)) != -1){
	    	os.write(tempBytes, 0, readTemp);
	    }
	    
	    is.close();
		os.flush();
	    os.close();
	    
        return null;
	}
	
	/**
	 * 文档处理完毕 修改状态
	 * @param deepAnalysisIds
	 * @return
	 * @throws IOException
	 */
	@RequestMapping(value = "handleSuccess", method = RequestMethod.GET)
	public @ResponseBody Result handleSuccess(String deepAnalysisIds) throws IOException {
		
		return exerciseDeepAnaService.updateExerciseDocStatus(deepAnalysisIds.split(","));

		
	}
	
	
	
	
}