package gostorage

import (
	"github.com/aliyun/aliyun-oss-go-sdk/oss"
	"io"
)

// AliYun 阿里云 OSS 存储
type AliYun struct {
	Endpoint        string
	AccessKeyId     string
	AccessKeySecret string
	error           error       // 错误信息
	client          *oss.Client // 驱动
	bucket          *oss.Bucket // 存储空间
}

// NewAliYun 初始化
func NewAliYun(endpoint string, accessKeyId string, accessKeySecret string) *AliYun {
	app := &AliYun{Endpoint: endpoint, AccessKeyId: accessKeyId, AccessKeySecret: accessKeySecret}
	app.client, app.error = oss.New(endpoint, accessKeyId, accessKeySecret)
	return app
}

// Bucket 存储空间
func (c *AliYun) Bucket(name string) *AliYun {
	c.bucket, c.error = c.client.Bucket(name)
	return c
}

// FileInfo 上传文件的信息
type FileInfo struct {
	Path string // 文件路径
	Name string // 文件名称
	Url  string // 文件地址
}

// PutObject 上传文件流
// @param file 文件流
// @param filePath 文件路径
// @param fileName 文件名称
func (c *AliYun) PutObject(file io.Reader, filePath, fileName string) (resp FileInfo, err error) {
	objectKey := filePath
	if fileName != "" {
		objectKey = filePath + "/" + fileName
	}
	err = c.bucket.PutObject(objectKey, file)
	resp.Path = filePath
	resp.Name = fileName
	resp.Url = objectKey
	return
}