package com.kmall.admin.controller;

import com.alibaba.fastjson.JSON;
import com.kmall.admin.dto.GoodsDetailsDto;
import com.kmall.admin.dto.GoodsDto;
import com.kmall.admin.entity.GoodsEntity;
import com.kmall.admin.entity.GoodsGalleryEntity;
import com.kmall.admin.entity.SysOssEntity;
import com.kmall.admin.service.*;
import com.kmall.admin.utils.ParamUtils;
import com.kmall.admin.utils.ShiroUtils;
import com.kmall.api.cache.UserTokenCache;
import com.kmall.common.utils.ImgException;
import com.kmall.common.constant.Dict;
import com.kmall.common.constant.JxlsXmlTemplateName;
import com.kmall.admin.fromcomm.entity.SysUserEntity;
import com.kmall.common.fileserver.util.FileManager;
import com.kmall.common.utils.*;
import com.kmall.common.utils.excel.ExcelUtil;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.shiro.authz.annotation.RequiresPermissions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import java.io.*;
import java.util.*;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;
import org.springframework.web.multipart.commons.CommonsMultipartFile;

/**
 * Controller
 *
 * @author Scott
 * @email
 * @date 2017-08-21 21:19:49
 */
@RestController
@RequestMapping("goods")
public class GoodsController {

    private static Log logger = LogFactory.getLog(UserTokenCache.class);
    @Autowired
    private GoodsService goodsService;
    @Autowired
    private GoodsGalleryService goodsGalleryService;
    @Autowired
    private OfflineCartService offlineCartService;
    @Autowired
    private ExcelUtil excelUtil;
    @Autowired
    private StoreService storeService;
    @Autowired
    private SysOssService sysOssService;
    /**
     * 查看列表
     */
    @RequestMapping("/list")
    @RequiresPermissions("goods:list")
    public R list(@RequestParam Map<String, Object> params) {
        ParamUtils.setQueryPowerByRoleType(params, "storeKey", "merchSn", "thirdPartyMerchCode");
        ParamUtils.setName(params, "name");
        //查询列表数据
        Query query = new Query(params);

        query.put("isDelete", 0);
        List<GoodsEntity> goodsList = goodsService.queryList(query);
        int total = goodsService.queryTotal(query);

        PageUtils pageUtil = new PageUtils(goodsList, total, query.getLimit(), query.getPage());

        return R.ok().put("page", pageUtil);
    }

    /**
     * 查看信息
     */
    @RequestMapping("/info/{id}")
    @RequiresPermissions("goods:info")
    public R info(@PathVariable("id") Integer id) {
        GoodsEntity goods = goodsService.queryObject(id);
        if(goods != null) {
            GoodsGalleryEntity goodsGalleryEntity =goodsGalleryService.queryVideoObjectByGoodId(goods.getId());
            if(goodsGalleryEntity != null){
                goods.setVideoUrl(goodsGalleryEntity.getImgUrl());
            }
        }
        return R.ok().put("goods", goods);
    }

    /**
     * 保存
     */
    @RequestMapping("/save")
    @RequiresPermissions("goods:save")
    public R save(@RequestBody GoodsEntity goods) {
        goodsService.save(goods);

        return R.ok();
    }

    /**
     * 修改
     */
    @RequestMapping("/update")
    @RequiresPermissions("goods:update")
    public R update(@RequestBody GoodsEntity goods) {
        goodsService.update(goods);

        return R.ok();
    }

    /**
     * 删除
     */
    @RequestMapping("/delete")
    @RequiresPermissions("goods:delete")
    public R delete(@RequestBody Integer[] ids) {
        goodsService.deleteBatch(ids);

        return R.ok();
    }

    /**
     * 查看所有列表
     */
    @RequestMapping("/queryAll")
    public R queryAll(@RequestParam Map<String, Object> params) {
        ParamUtils.setQueryPowerByRoleType(params, "storeKey", "merchSn", "thirdPartyMerchCode");
        params.put("isDelete", Integer.parseInt(Dict.isDelete.item_0.getItem()));
        params.put("isOnSale", Integer.parseInt(Dict.isOnSale.item_1.getItem()));
        List<GoodsEntity> list = goodsService.queryList(params);
        return R.ok().put("list", list);
    }


    /**
     * 商品回收站
     *
     * @param params
     * @return
     */
    @RequestMapping("/historyList")
    public R historyList(@RequestParam Map<String, Object> params) {
        ParamUtils.setQueryPowerByRoleType(params, "storeKey", "merchSn", "thirdPartyMerchCode");
        //查询列表数据
        Query query = new Query(params);

        query.put("isDelete", 1);
        List<GoodsEntity> goodsList = goodsService.queryList(query);
        int total = goodsService.queryTotal(query);

        PageUtils pageUtil = new PageUtils(goodsList, total, query.getLimit(), query.getPage());

        return R.ok().put("page", pageUtil);
    }

    /**
     * 商品从回收站恢复
     */
    @RequestMapping("/back")
    @RequiresPermissions("goods:back")
    public R back(@RequestBody Integer[] ids) {
        goodsService.back(ids);

        return R.ok();
    }

    /**
     * 总计
     */
    @RequestMapping("/queryTotal")
    public R queryTotal(@RequestParam Map<String, Object> params) {
        ParamUtils.setQueryPowerByRoleType(params, "storeKey", "merchSn", "thirdPartyMerchCode");
        params.put("isDelete", 0);
        int sum = goodsService.queryTotal(params);
        return R.ok().put("goodsSum", sum);
    }

    /**
     * 上架
     */
    @RequestMapping("/enSale")
    public R enSale(@RequestBody Integer id) {
        goodsService.enSale(id);

        return R.ok();
    }

    /**
     * 上架
     */
    @RequestMapping("/enSaleBatch")
    public R enSaleBatch(@RequestBody Integer[] ids) {
        goodsService.enSaleBatch(ids);

        return R.ok();
    }


    /**
     * 下架
     */
    @RequestMapping("/unSale")
    public R unSale(@RequestBody Integer id) {
        goodsService.unSale(id);

        return R.ok();
    }

    /**
     * 下架
     */
    @RequestMapping("/unSaleBatch")
    public R unSaleBatch(@RequestBody Integer[] ids) {
        goodsService.unSaleBatch(ids);

        return R.ok();
    }

    /**
     * 上传文件
     */
    @RequestMapping("/upload")
    public R upload(@RequestParam("file") MultipartFile file) {
        List<GoodsDto> goodsDtoList = new ArrayList<>();//商品信息
        try {
            Map<String, Object> beans = new HashMap<String, Object>();
            beans.put("GoodsDtoList", goodsDtoList);
            if (file.isEmpty()) {
                return R.error("文件不能为空！");
            }
            excelUtil.readExcel(JxlsXmlTemplateName.GOODS_DTO_LIST, beans, file.getInputStream());
        } catch (Exception e) {
            e.printStackTrace();
            return R.error("导入失败！");
        }
        goodsService.uploadExcel(goodsDtoList,Integer.parseInt(Dict.exportDataType.item_1.getItem()));
        //上传文件
        return R.ok();
    }
    /**
     * 上传文件
     */
    @RequestMapping("/generalGoodsUpload")
    public R generalGoodsUpload(@RequestParam("file") MultipartFile file) {
        List<GoodsDto> generalGoodsDtoList = new ArrayList<>();//商品信息
        try {
            Map<String, Object> beans = new HashMap<String, Object>();
            beans.put("GeneralGoodsDtoList", generalGoodsDtoList);
            if (file.isEmpty()) {
                return R.error("文件不能为空！");
            }
            excelUtil.readExcel(JxlsXmlTemplateName.GENERAL_GOODS_DTO_LIST, beans, file.getInputStream());
        } catch (Exception e) {
            e.printStackTrace();
            return R.error("导入失败！");
        }
        goodsService.uploadExcel(generalGoodsDtoList,Integer.parseInt(Dict.exportDataType.item_2.getItem()));
        //上传文件
        return R.ok();
    }

    /*@RequestMapping("/scannInfo")
    @RequiresPermissions("goods:scannInfo")
    public R scannInfo(@RequestParam Map<String, Object> params) {
        String goodsSn = (String)params.get("goodsSn");
        GoodsEntity goods = goodsService.queryObjectByGoodsSnAndBizType(goodsSn);
        if(goods == null) {
            return R.error("商品信息不存在");
        }
        List<OfflineCartEntity> cartEntityList = offlineCartService.offlineGoodsCart(goods);

        return R.ok().put("cartEntityList", cartEntityList);
    }*/
    @RequestMapping("/scannInfo/{prodBarcode}")
    @RequiresPermissions("goods:scannInfo")
    public R scannInfo(@PathVariable("prodBarcode")String prodBarcode) {
        SysUserEntity user = ShiroUtils.getUserEntity();
        if(user == null) {
            return R.error("用户登录超时，请重新登录");
        }
        if (!user.getRoleType().equalsIgnoreCase("2")) {
            return R.error("该操作只允许店员账户操作");
        }
        GoodsEntity goods = goodsService.queryObjectByProdBarcodeAndBizType(prodBarcode, user.getStoreId());
        if(goods == null) {
            return R.error("商品信息不存在");
        }
        return R.ok().put("goods", goods);
    }

    @RequestMapping("/details/{prodBarcode}")
//    @RequiresPermissions("goods:details") http://127.0.0.1:8080/goods/details/11111
    public R details(@PathVariable("prodBarcode")String prodBarcode) {
        SysUserEntity user = ShiroUtils.getUserEntity();
        if(user == null) {
            return R.error("用户登录超时，请重新登录");
        }
        if (!user.getRoleType().equalsIgnoreCase("2")) {
            return R.error("该操作只允许店员账户操作");
        }
        GoodsDetailsDto goods = goodsService.queryGoodsDetailsByProdBarcode(prodBarcode);
        if(goods == null) {
            return R.error("商品信息不存在");
        }
        return R.ok().put("goodsDetails", goods);
    }

    @RequestMapping("/generalGoodsImgUploadByZip")
    @ResponseBody
    public R batchAddImgByZip(@RequestParam("file") MultipartFile file) throws IOException {
        //上传文件
        batchAdd(file,2);
        return R.ok();
    }

    @RequestMapping("/generalGoodsImgUpload")
    @ResponseBody
    public R batchAddImg(@RequestParam("file") MultipartFile file) throws IOException {
        //上传文件
        batchAdd(file,1);
        return R.ok();
    }

    private Map<String, Object> batchAdd(MultipartFile file, int type) throws IOException {
        /*
         *创建临时文件夹
         * 解压文件
         */
        String fileName = file.getOriginalFilename();
        String path = "/data/project/img/";
        File dir = new File(path);
        dir.mkdirs();
        String filePath = "/data/project/img2/";
        File fileDir = new File(filePath);
        fileDir.mkdirs();
        File saveFile = new File(fileDir, fileName);//将压缩包解析到指定位置
        List<String>list = new ArrayList<>();

        try {
            file.transferTo(saveFile);
            String newFilePath = filePath + fileName;
            File zipFile = new File(newFilePath);
            unZipFiles(zipFile, path,list,type);//解压文件，获取文件路径
        } catch (Exception e) {
            e.printStackTrace();
            logger.info("解压执行失败");
            throw e;
        }finally {
            //程序结束时，删除临时文件
            deleteFiles(filePath);//删除压缩包文件夹
            deleteFiles(path);//删除解压文件夹**
        }

        logger.info(JSON.toJSONString(list));
        Map<String, Object> jsonMap = new HashMap<>();
        jsonMap.put("ret",list);
        return jsonMap;
    }

    public void deleteFiles(String filePath) {
        File file = new File(filePath);
        if ((!file.exists()) || (!file.isDirectory())) {
            System.out.println("file not exist");
            return;
        }
        String[] tempList = file.list();
        File temp = null;
        for (int i = 0; i < tempList.length; i++) {
            if (filePath.endsWith(File.separator)) {
                temp = new File(filePath + tempList[i]);
            }
            else {
                temp = new File(filePath + File.separator + tempList[i]);
            }
            if (temp.isFile()) {
                temp.delete();
            }
            if (temp.isDirectory()) {
                this.deleteFiles(filePath + "/" + tempList[i]);
            }
        }
        // 空文件的删除
        file.delete();
    }

    public void unZipFiles(File srcFile, String destDirPath, List<String> list, int type) throws RuntimeException {
        long start = System.currentTimeMillis();
        ZipFile zipFile = null;
        try {
        // 判断源文件是否存在
        if (!srcFile.exists()) {
            throw new RuntimeException(srcFile.getPath() + "所指文件不存在");
        }
        // 开始解压
        zipFile = new ZipFile(srcFile);
        zipFile.getEncoding();
        Enumeration<?> entries = zipFile.getEntries();
        List<ZipEntry> entryList = new ArrayList<>();
        while (entries.hasMoreElements()) {
            ZipEntry entry = (ZipEntry) entries.nextElement();
            logger.info("解压" + entry.getName());
            entryList.add(entry);
            // 如果是文件夹，就创建个文件夹
        }
                if(null==entryList){
                    throw new RRException("文件夹内无图片信息,请检查后重试");
                }
                if(entryList.size()>100){
                    throw new RRException("最多上传100张图片");
                }
            for(ZipEntry entry : entryList){
                if (entry.isDirectory()) {
                    String dirPath = destDirPath + "/" + entry.getName();
                    File dir = new File(dirPath);
                    dir.mkdirs();
                } else {
                    // 如果是文件，就先创建一个文件，然后用io流把内容copy过去
                    File targetFile = new File(destDirPath + "/" + entry.getName());
                    // 保证这个文件的父文件夹必须要存在

                    if(!targetFile.getParentFile().exists()){

                    }
                    targetFile.createNewFile();
                    // 将压缩文件内容写入到这个文件中
                    InputStream is = zipFile.getInputStream(entry);
                    FileOutputStream fos = new FileOutputStream(targetFile);
                    int len;
                    byte[] buf = new byte[1024];
                    while ((len = is.read(buf)) != -1) {
                        fos.write(buf, 0, len);
                    }

                    MultipartFile mulFileByPath = getMulFileByPath(destDirPath + "/" + entry.getName());
                    long fileSize = mulFileByPath.getSize();
                    int maxSize = 1 * 1024 * 1024;
                    if (fileSize > maxSize) {
                        throw new RRException("商品图片过大(最大1M)，请检查！");
                    }
//                    String imgg = entry.getName().split("\\.")[1];
//                    if (!"jpg".equals(imgg)&&!"jpeg".equals(imgg)) {
//                        throw new RRException("图片格式不正确，请检查！");
//                    }

                    //上传文件
                    String url = FileManager.upload(mulFileByPath);
                    list.add(url);
                    if(type == 1){
                        String sku = entry.getName().split("\\.")[0];
                        if (null==sku||"".equals(sku)) {
                            throw new ImgException("文件为：" + sku + "的商品命名格式不正确，请检查！");
                        }
                        GoodsEntity goodsEntity = goodsService.queryBySku(sku);
                        goodsEntity.setPrimaryPicUrl(url);
                        goodsEntity.setListPicUrl(url);
                        goodsService.updateForImgUrl(goodsEntity);
                    }else if(type == 2){
                        String barCode = entry.getName().split("/")[1];
                        GoodsEntity goodsEntity = goodsService.queryByBarcode(barCode);
                        goodsEntity.setPrimaryPicUrl(url);
                        goodsEntity.setListPicUrl(url);
                        goodsService.updateForImgUrl(goodsEntity);
                    }
                    //保存文件信息
                    SysOssEntity ossEntity = new SysOssEntity();
                    ossEntity.setUrl(url);
                    ossEntity.setCreateDate(new Date());
                    sysOssService.save(ossEntity);
                    // 关流顺序，先打开的后关闭
                    fos.close();
                    is.close();
                }
            }
            long end = System.currentTimeMillis();
            System.out.println("解压完成，耗时：" + (end - start) +" ms");
        }catch (RRException e) {
            throw new RRException(e.getMessage(), e);
        }catch (Exception e) {
            throw new RuntimeException("unzip error from ZipUtils", e);
        } finally {
            if(zipFile != null){
                try {
                    zipFile.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    private static MultipartFile getMulFileByPath(String picPath) {
        FileItem fileItem = createFileItem(picPath);
        MultipartFile mfile = new CommonsMultipartFile(fileItem);
        return mfile;
    }

    private static FileItem createFileItem(String filePath)
    {
        FileItemFactory factory = new DiskFileItemFactory(16, null);
        String textFieldName = "textField";
        int num = filePath.lastIndexOf(".");
        String extFile = filePath.substring(num);
        FileItem item = factory.createItem(textFieldName, "text/plain", true,
                "MyFileName" + extFile);
        File newfile = new File(filePath);
        int bytesRead = 0;
        byte[] buffer = new byte[8192];
        try
        {
            FileInputStream fis = new FileInputStream(newfile);
            OutputStream os = item.getOutputStream();
            while ((bytesRead = fis.read(buffer, 0, 8192))
                    != -1)
            {
                os.write(buffer, 0, bytesRead);
            }
            os.close();
            fis.close();
        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
        return item;
    }

}