package aliyun

import (
	"encoding/base64"
	"encoding/json"
	"fmt"
	"strings"
)

type UploadAddress struct {
	Endpoint string
	Bucket   string
	FileName string
}

//@cname 绑定域名
func (up UploadAddress) GetFileUrl(cname string) string {
	if len(cname) > 0 {
		return fmt.Sprintf("%v%v", cname, up.FileName)
	}
	if strings.Contains(up.Endpoint, "https") {
		return fmt.Sprintf("%v%v.%v/%v", up.Endpoint[:8], up.Bucket, up.Endpoint[8:], up.FileName)
	} else if strings.Contains(up.Endpoint, "http") {
		return fmt.Sprintf("%v%v.%v/%v", up.Endpoint[:7], up.Bucket, up.Endpoint[7:], up.FileName)
	}
	return ""
}

//解析UploadAddress
func ParseUploadAddress(uploadAddress string) (up UploadAddress, err error) {
	var jsData []byte
	jsData, err = base64.StdEncoding.DecodeString(uploadAddress)
	if err != nil {
		return
	}
	if err = json.Unmarshal(jsData, &up); err != nil {
		return
	}
	return
}