package data

import (
	"context"
	"sync/atomic"
)

type VersionsStream interface {
	Next(ctx context.Context) (*NodeVersion, error)
}

type CommonSession struct {
	Context  context.Context
	Cancel   context.CancelFunc
	Acquired atomic.Bool
}

type ListSession struct {
	CommonSession
	Next     []*ExtendedNodeVersion
	Stream   VersionsStream
	NamesMap map[string]struct{}
}

type MultipartInfoStream interface {
	Next(marker, uploadID string) (*MultipartInfo, error)
}

type ListMultipartSession struct {
	CommonSession
	Next       *MultipartInfo
	Stream     MultipartInfoStream
}