package oss

import (
	"fmt"
	"github.com/aliyun/aliyun-oss-go-sdk/oss"
	"io/ioutil"
	util "jygit.jydev.jianyu360.cn/data_processing/common_utils"
	"os"
)

var (
	ossEndpoint        = "oss-cn-beijing-internal.aliyuncs.com" //正式环境用：oss-cn-beijing-internal.aliyuncs.com 测试：oss-cn-beijing.aliyuncs.com
	ossAccessKeyId     = "LTAI4G5x9aoZx8dDamQ7vfZi"
	ossAccessKeySecret = "Bk98FsbPYXcJe72n1bG3Ssf73acuNh"
	ossBucketName      = "topjy"
	ossclient          *oss.Client
)

func InitOss() {
	client, err := oss.New(ossEndpoint, ossAccessKeyId, ossAccessKeySecret)
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}
	ossclient = client
}

func OssGetObject(objectName string) string {
	util.Catch()
	// 获取存储空间。
	bucket, err := ossclient.Bucket(ossBucketName)
	if err != nil {
		fmt.Println("Error:", err)
		return ""
	}

	// 下载文件到流。
	body, err := bucket.GetObject(objectName)
	if err != nil {
		fmt.Println("Error:", err)
		return ""
	}
	defer body.Close()
	data, err := ioutil.ReadAll(body)
	if err != nil {
		fmt.Println("Error:", err)
		return ""
	}
	return string(data)
}

func OssObjExists(bname, fid string) bool {
	util.Catch()
	// 获取存储空间。
	bucket, err := ossclient.Bucket(bname)
	if err != nil {
		fmt.Println("Error:", err)
	}
	// 判断文件是否存在。
	isExist, err := bucket.IsObjectExist(fid)
	if err != nil {
		fmt.Println("Error:", err)
	}
	return isExist
}