package storagex

import (
	"context"
	"errors"
	"io"
	"time"
)

// Config 通用配置结构 (可根据需要扩展)
type Config struct {
	Provider  string            // 服务商: "aliyun", "aws", "tencent"
	AccountID string            // 账号标识: "account_01", "finance_team"
	Options   map[string]string // 具体配置: AK, SK, Bucket, Region, Endpoint 等
}

// PutResult 上传成功后的返回信息
type PutResult struct {
	URL       string // 文件访问地址
	Size      int64  // 文件大小
	ETag      string // 文件指纹/哈希
	Provider  string // 服务商名称
	AccountID string // 使用的账号ID（用于追踪）
}

type Uploader interface {
	// GetObject 获取对象
	GetObject(ctx context.Context, objectKey string) (io.ReadCloser, error)
	// GetUrl 获取对象URL地址
	GetUrl(ctx context.Context, objectKey string, expire time.Duration) (string, error)
	// PutObject 写入对象
	PutObject(ctx context.Context, objectKey string, value io.Reader) (*PutResult, error)
	// DeleteObject 删除对象
	DeleteObject(ctx context.Context, objectKey string) error
}

type UploaderImpl struct{}

func NewUploader() *UploaderImpl {
	return &UploaderImpl{}
}

func (o *UploaderImpl) GetObject(ctx context.Context, objectKey string) (io.ReadCloser, error) {
	return nil, errors.New("not implemented")
}

func (o *UploaderImpl) PutObject(ctx context.Context, objectKey string, value io.Reader) (*PutResult, error) {
	return nil, errors.New("not implemented")
}

func (o *UploaderImpl) GetUrl(ctx context.Context, objectKey string, expire time.Duration) (string, error) {
	return "", errors.New("not implemented")
}

func (o *UploaderImpl) DeleteObject(ctx context.Context, objectKey string) error {
	return errors.New("not implemented")
}