package com.cnd3b.restcontroller.enterprise.datacenter;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.aliyun.oss.model.*;
import com.cnd3b.common.Controller;
import com.cnd3b.common.data.Rows;
import com.cnd3b.common.data.SQLFactory;
import com.cnd3b.utility.aliyun.oss.AliyunOSSConfigConstant;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.List;

import static com.cnd3b.utility.aliyun.oss.AliyunOSSConfigConstant.BUCKE_NAME_1;
import static com.cnd3b.utility.aliyun.oss.AliyunOSSConfigConstant.file_url;


public class datacenter extends Controller {


    //    String url = BUCKE_NAME_1 + "." + AliyunOSSConfigConstant.END_POINT;
    //根目录
    String rootpath = "资料中心/";

    /**
     * 构造函数
     *
     * @param content
     */
    public datacenter(JSONObject content) {
        super(content);

    }


    /**
     * 创建文件夹(OSS)
     *
     * @return
     */
    public String createFolder() {
        String folderName = content.getString("folderName");
        if (folderName.equals("") || folderName == null) {
            return getErrReturnObject().setErrMsg("文件夹名称不能为空").toString();
        }
        ossClient.putObject(new PutObjectRequest(BUCKE_NAME_1, rootpath + folderName, new ByteArrayInputStream("".getBytes())));
        ossClient.shutdown();
        return getSucReturnObject().toString();
    }

    /**
     * 删除文件夹(OSS)
     *
     * @return
     */
    public String deleteFolder() {
        JSONArray jsonArray = content.getJSONArray("folderName");
        if (jsonArray == null || jsonArray.size() == 0) {
            return getErrReturnObject().setErrMsg("文件夹名称不能为空").toString();
        }
        ArrayList<String> keysList = new ArrayList<>();
        for (Object obj : jsonArray) {
            keysList.add(obj.toString());
        }
        DeleteObjectsRequest request = new DeleteObjectsRequest(BUCKE_NAME_1);
        request.setKeys(keysList);
        // 发起deleteObjects请求。
        ossClient.deleteObjects(request);

//        // 查看删除结果。
//        for (String o : delObjResult.getDeletedObjects()) {
//            String keyName = null;
//            try {
//                keyName = URLDecoder.decode(o, "UTF-8");
//            } catch (UnsupportedEncodingException e) {
//                e.printStackTrace();
//            }
//            System.out.println("delete key name: " + keyName);
//        }

        ossClient.shutdown();

        SQLFactory sqlFactory = new SQLFactory(this, "删除文件夹");
        sqlFactory.addParameter_in("fpath", keysList);
        String sql = sqlFactory.getSQL();
        dbConnect.runSqlUpdate(sql);

        return getSucReturnObject().toString();
    }

    /**
     * 上传文件(OSS)
     *
     * @return
     */
    public String uploadFile() {
        String filePath = content.getString("filePath");
        String folderPath = content.getString("folderPath");
        if (filePath.equals("") || filePath == null) {
            return getErrReturnObject().setErrMsg("文件路径不能为空").toString();
        }
        if (folderPath.equals("") || folderPath == null) {
            folderPath = "";
        }
        File file = new File(filePath);
        if (!file.exists()) {
            return getErrReturnObject().setErrMsg("文件不存在").toString();
        }

        String key = folderPath + file.getName();
        System.err.println(key);

        ossClient.putObject(new PutObjectRequest(BUCKE_NAME_1, rootpath + key, file));
        ossClient.shutdown();
        return getSucReturnObject().toString();
    }

    /**
     * 删除文件(OSS)
     *
     * @return
     */
    public String deleteFile() {
        JSONArray jsonArray = content.getJSONArray("folderName");
        if (jsonArray == null || jsonArray.size() == 0) {
            return getErrReturnObject().setErrMsg("文件夹名称不能为空").toString();
        }
        List<String> keysList = new ArrayList<>();
        for (Object obj : jsonArray) {
            keysList.add(obj.toString());
        }
        DeleteObjectsRequest request = new DeleteObjectsRequest(BUCKE_NAME_1);
        request.setKeys(keysList);
        // 发起deleteObjects请求。
        DeleteObjectsResult delObjResult = ossClient.deleteObjects(request);

        // 查看删除结果。
        for (String o : delObjResult.getDeletedObjects()) {
            String keyName = null;
            try {
                keyName = URLDecoder.decode(o, "UTF-8");
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }
            System.out.println("delete key name: " + keyName);
        }

        ossClient.shutdown();
        return getSucReturnObject().toString();
    }

    /**
     * 获取根目录
     *
     * @return
     */
    public String getFolders() {

        // 构造ListObjectsRequest请求。
        ListObjectsRequest listObjectsRequest = new ListObjectsRequest(BUCKE_NAME_1);
        // 设置正斜线（/）为文件夹的分隔符。
        listObjectsRequest.setDelimiter("/");
        // 列出fun目录下的所有文件和文件夹。
        listObjectsRequest.setPrefix("资料中心/");
        ObjectListing listing = ossClient.listObjects(listObjectsRequest);

        // 遍历所有commonPrefix。
        ArrayList<String> commonPrefixList = new ArrayList<>();
        for (String commonPrefix : listing.getCommonPrefixes()) {


            String selectSql = "SELECT*FROM tfolder WHERE fpath='" + commonPrefix + "'";
            Rows rows = dbConnect.runSqlQuery(selectSql);
            if (rows.isEmpty()) {
                Long id = createTableID("tfolder", "tfolderid");
                String sql = "INSERT INTO tfolder(tfolderid,rmkenable,fpath,createdate) VALUES(" + id + ", 0,'" + commonPrefix + "','" + getDateTime_Str() + "')";
                dbConnect.runSqlUpdate(sql);
            }
            commonPrefixList.add(commonPrefix);
        }
        // 关闭OSSClient。
        ossClient.shutdown();

        JSONObject object = new JSONObject();
        object.put("folder", commonPrefixList);

        SQLFactory sqlFactory = new SQLFactory(this, "查询根目录");
        sqlFactory.addParameter_in("fpath", commonPrefixList);
        String sql = sqlFactory.getSQL();

        Rows rows = dbConnect.runSqlQuery(sql);

        return getSucReturnObject().setData(rows).toString();
    }

    /**
     * 获取文件夹
     *
     * @return
     */
    public String getAllFolders() {
        // 构造ListObjectsRequest请求。
        ListObjectsRequest listObjectsRequest = new ListObjectsRequest(BUCKE_NAME_1);

        // 列举文件。
        ObjectListing listing = ossClient.listObjects(listObjectsRequest);

        //遍历所有文件。
        //System.out.println("Objects:");
        //List<String> stringList = new ArrayList<>();
        for (OSSObjectSummary objectSummary : listing.getObjectSummaries()) {
            System.out.println(objectSummary.getKey());
            if (objectSummary.getKey().endsWith("/")) {
                String key = objectSummary.getKey();
                //stringList.add(key);
                String selectSql = "SELECT*FROM tfolder WHERE fpath='" + key + "'";
                Rows rows = dbConnect.runSqlQuery(selectSql);
                if (rows.isEmpty()) {
                    Long id = createTableID("tfolder", "tfolderid");
                    String sql = "INSERT INTO tfolder(tfolderid,rmkenable,fpath,createdate) VALUES(" + id + ", 0,'" + objectSummary.getKey() + "','" + getDateTime_Str() + "')";
                    dbConnect.runSqlUpdate(sql);
                }

            }

        }

        // 关闭OSSClient。
        ossClient.shutdown();

        String sql = "SELECT tfolderid,fpath FROM tfolder ORDER BY tfolderid ";
        Rows rows = dbConnect.runSqlQuery(sql);

        return getSucReturnObject().setData(rows).toString();
    }


    /**
     * 获取指定目录下的文件和文件夹
     *
     * @return
     */
    public String getFilesOfPath() {
        String folderPath = content.getString("folderPath");
        // 构造ListObjectsRequest请求。
        ListObjectsRequest listObjectsRequest = new ListObjectsRequest(BUCKE_NAME_1);
        // 设置正斜线（/）为文件夹的分隔符。
        listObjectsRequest.setDelimiter("/");
        // 列出fun目录下的所有文件和文件夹。
        listObjectsRequest.setPrefix(folderPath);
        ObjectListing listing = ossClient.listObjects(listObjectsRequest);
        // 遍历所有文件。
        System.out.println("Objects:");
        List<JSONObject> objectSummaryList = new ArrayList<>();
        for (OSSObjectSummary objectSummary : listing.getObjectSummaries()) {
            if (!objectSummary.getKey().equals(folderPath)) {
                JSONObject object = new JSONObject();
                object.put("key", objectSummary.getKey());
                object.put("name", objectSummary.getKey().replace(folderPath, ""));
                object.put("size", objectSummary.getSize() / 1024);
                object.put("time", getDateTime_Str(objectSummary.getLastModified()));
                object.put("url", file_url + "/" + objectSummary.getKey());
                objectSummaryList.add(object);
            }
        }

        // 遍历所有commonPrefix。
        System.out.println("CommonPrefixes:");
        List<JSONObject> commonPrefixList = new ArrayList<>();
        for (String commonPrefix : listing.getCommonPrefixes()) {
            JSONObject object = new JSONObject();
            object.put("folderpath", commonPrefix);
            commonPrefixList.add(object);
        }
        // 关闭OSSClient。
        ossClient.shutdown();

        JSONObject object = new JSONObject();
        object.put("files", objectSummaryList);
        object.put("folder", commonPrefixList);
        return getSucReturnObject().setData(object).toString();
    }


}