package com.ylwl.controller;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.text.DecimalFormat;
import java.util.List;

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

import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
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.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;

import com.alibaba.fastjson.JSONObject;
import com.ylwl.pojo.Resource2;
import com.ylwl.pojo.User;
import com.ylwl.service.ResourceService;

import net.sf.json.JSONArray;

@Controller
@RequestMapping(value="/resource")
public class ResouceAction {
	@Resource
	private ResourceService resourceService;
	@ResponseBody
	@RequestMapping(value="/actionForList",produces = "application/json; charset=utf-8")
	public String actionForList(HttpServletRequest request){
		//String selector = request.getParameter("selector")==null?"":request.getParameter("selector");
		//String condition = request.getParameter("condition")==null?"":request.getParameter("condition");
		String mark = request.getParameter("mark2")==null?"":request.getParameter("mark2");
		String fluency = request.getParameter("fluency2")==null?"":request.getParameter("fluency2");
		String definition = request.getParameter("definition2")==null?"":request.getParameter("definition2");
		
		if(mark.equals("")&&fluency.equals("")&&definition.equals("")){
			List<Resource2> list = resourceService.queryForResourceList();
			int total = resourceService.queryForTotal();
			JSONObject jsonObject=new JSONObject();
			JSONArray jsonArray =new JSONArray();
			for(int i=0;i<list.size();i++){
				Resource2 resource2 = list.get(i);
				jsonArray.add(resource2);
			}
			jsonObject.put("total", total);
			jsonObject.put("rows", jsonArray);
			return jsonObject.toJSONString();
			
		}if (!mark.equals("")) {
			List<Resource2> list =resourceService.queryForResourceListByMark(mark);
			int total = resourceService.queryForTotalByMark(mark);
			JSONObject jsonObject=new JSONObject();
			JSONArray jsonArray =new JSONArray();
			for(int i=0;i<list.size();i++){
				Resource2 resource2 = list.get(i);
				jsonArray.add(resource2);
			}
			jsonObject.put("total", total);
			jsonObject.put("rows", jsonArray);
			return jsonObject.toJSONString();
		}if (!fluency.equals("")) {
			List<Resource2> list =resourceService.queryForResourceListByFluency(fluency);
			int total = resourceService.queryForTotalByFluency(fluency);
			JSONObject jsonObject=new JSONObject();
			JSONArray jsonArray =new JSONArray();
			for(int i=0;i<list.size();i++){
				Resource2 resource2 = list.get(i);
				jsonArray.add(resource2);
			}
			jsonObject.put("total", total);
			jsonObject.put("rows", jsonArray);
			return jsonObject.toJSONString();
		}
		if(!definition.equals("")) {
			List<Resource2> list =resourceService.queryForResourceListByDefinition(definition);
			int total = resourceService.queryForTotalByDefinition(definition);
			JSONObject jsonObject=new JSONObject();
			JSONArray jsonArray =new JSONArray();
			for(int i=0;i<list.size();i++){
				Resource2 resource2 = list.get(i);
				jsonArray.add(resource2);
			}
			jsonObject.put("total", total);
			jsonObject.put("rows", jsonArray);
			return jsonObject.toJSONString();
		}
		return null;
	}
	@RequestMapping(value="/actionForUploadFile",method=RequestMethod.POST)
	public String actionForUploadFile(@RequestParam(value="file") MultipartFile file, Resource2 resource,HttpServletRequest request){
		long fileS = file.getSize();
		String size = ""; 
		String path = request.getSession().getServletContext().getRealPath("/");  
		path+="\\upload";
		//String path="C:\\upload";
        String fileName = file.getOriginalFilename();  
        int pointIndex =  fileName.indexOf(".");  
        DecimalFormat df = new DecimalFormat("#.00"); 
        if (fileS < 1024) {
            size = df.format((double) fileS) + "BT";
        } else if (fileS < 1048576) {
            size = df.format((double) fileS / 1024) + "KB";
        } else if (fileS < 1073741824) {
            size = df.format((double) fileS / 1048576) + "MB";
        } else {
            size = df.format((double) fileS / 1073741824) +"GB";
        }
//        String fileName = new Date().getTime()+".jpg";  
        System.out.println(path);  
        String realRath="/video-search-system/upload/"+fileName;
        File targetFile = new File(path, fileName);  
        if(!targetFile.exists()){  
            targetFile.mkdirs();  
        }  
  
        //保存  
        try {  
            file.transferTo(targetFile);  
        } catch (Exception e) {  
            e.printStackTrace();  
        }  
       // model.addAttribute("fileUrl", request.getContextPath()+"/upload/"+fileName);  
        User user = (User)request.getSession().getAttribute("user");
        String userId = user.getUserId();
        resource.setUserId(userId);
        resource.setSize(size);
        resource.setResourcePath(realRath);
        resourceService.upLoadResource(resource);
        
		return "redirect:actionForResourceList";
		
	}
	
	@RequestMapping(value="/actionForResourceList")
	public String actionForResourceList(){
		return "list";
	}
	
	@ResponseBody
	@RequestMapping(value="/queryForResourceById")
	public Resource2 queryForResourceById(HttpServletRequest request){
		String videoId = request.getParameter("row");
		Resource2 resource=resourceService.queryForResourceById(videoId);
		return resource;
	}
	
	@ResponseBody
	@RequestMapping(value="/actionForDeleteResourceById",produces = "application/json; charset=utf-8")
	public String actionForDeleteResourceById(HttpServletRequest request){
		String videoId = request.getParameter("videoId");
		int index=resourceService.actionForDeleteResourceById(videoId);
		if (index==1) {
			return "200";
		}else {
			return "501";
		}
	}
	@RequestMapping(value="/actionForWatchVideo/{videoId}")
	public String actionForWatchVideo(@PathVariable String videoId,ModelMap map){
		Resource2 resource = resourceService.queryResourceById(videoId);
		map.addAttribute("url", resource.getResourcePath());
		return "watchPage";
		
	}
	@RequestMapping(value="/actionForDownLoadVideo/{fileName}/{type}")
	public void actionForDownLoadVideo(@PathVariable String type,@PathVariable String fileName, HttpServletRequest request,
			HttpServletResponse response) {
		
		response.setCharacterEncoding("utf-8");
		response.setContentType("."+type);
		response.setHeader("Content-Disposition", "attachment;fileName="
				+ fileName);
		try {
			//String path = "C:\\upload";
			String path = request.getSession().getServletContext().getRealPath("/");  
			path+="\\upload";
			InputStream inputStream = new FileInputStream(new File(path
					+ File.separator + fileName));

			OutputStream os = response.getOutputStream();
			byte[] b = new byte[2048];
			int length;
			while ((length = inputStream.read(b)) > 0) {
				os.write(b, 0, length);
			}

			 // 这里主要关闭。
			os.close();

			inputStream.close();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
            //  返回值要注意，要不然就出现下面这句错误！
            //java+getOutputStream() has already been called for this response
	}
}