package com.javaweb.oss.cloud;

import com.qiniu.http.Response;
import com.qiniu.storage.Configuration;
import com.qiniu.storage.Region;
import com.qiniu.storage.UploadManager;
import com.qiniu.util.Auth;
import com.javaweb.oss.domain.OssException;
import org.apache.commons.io.IOUtils;

import java.io.IOException;
import java.io.InputStream;

/**
 * 七牛云存储
 */
public class QiniuCloudStorageService extends CloudStorageService
{
    private UploadManager uploadManager;

    private String        token;

    public QiniuCloudStorageService(CloudStorageConfig config)
    {
        this.config = config;
        // 初始化
        init();
    }

    private void init()
    {
        uploadManager = new UploadManager(new Configuration(Region.autoRegion()));
        token = Auth.create(config.getQiniuAccessKey(), config.getQiniuSecretKey())
                .uploadToken(config.getQiniuBucketName());
    }

    @Override
    public String upload(byte[] data, String path)
    {
        try
        {
            Response res = uploadManager.put(data, path, token);
            if (!res.isOK())
            {
                throw new RuntimeException("上传七牛出错：" + res.toString());
            }
        }
        catch (Exception e)
        {
            throw new OssException("上传文件失败，请核对七牛配置信息");
        }
        return config.getQiniuDomain() + "/" + path;
    }

    @Override
    public String upload(InputStream inputStream, String path)
    {
        try
        {
            byte[] data = IOUtils.toByteArray(inputStream);
            return this.upload(data, path);
        }
        catch (IOException e)
        {
            throw new OssException("上传文件失败");
        }
    }

    @Override
    public String uploadSuffix(byte[] data, String suffix)
    {
        return upload(data, getPath(config.getQiniuPrefix(), suffix));
    }

    @Override
    public String uploadSuffix(InputStream inputStream, String suffix)
    {
        return upload(inputStream, getPath(config.getQiniuPrefix(), suffix));
    }
}