package clouds_core

import (
	"errors"
	"io"
	"time"

	"gitee.com/shishshinedone/coauth"
)

const (
	VersionOriginal = "1"
)

var (
	ErrExisted    = errors.New("存储对象重名或已存在")
	ErrNotExisted = errors.New("该存储对象不存在")
)

type Options struct {
	Timeout time.Duration // client超时时间
	Version string        // 令牌版本
	Region  string        // 存储区域
}

type Clouds interface {
	Init() error
	Add(objectName, subdirectory string, objectReader io.Reader) (CloudsAdd, error)
	Del(objectName string) error
	Get(objectName string) (io.ReadSeeker, error)
	GetBytes(objectName string) ([]byte, error)
	Stat(objectName string) (CloudsStat, error)
	Find(objectNamePrefix string) ([]string, error)
	List() ([]string, error)
	Destroy() error
	Tags(objectName string) (map[string]string, error)
	DelTags(objectName string) error
	SetTags(objectName string, tags map[string]string) (map[string]string, error)
}

type CloudsAdd interface {
	Name() string
	Size() int64
}

type CloudsStat interface {
	Name() string
	Size() int64
	ModTime() time.Time
}

func NewClouds(addr, name string, auth coauth.Coauth, options *Options) Clouds {
	return newClouds(addr, name, auth, options)
}