package artifacts

import (
	"fmt"
	"os"
)

// S3Store is a placeholder for future remote artifact persistence support.
type S3Store struct {
	Bucket string
	Prefix string
}

// SessionPaths is not implemented for S3-backed storage.
func (s *S3Store) SessionPaths(_ string) SessionPaths {
	return SessionPaths{}
}

// EnsureLayout returns a not-yet-implemented error in the scaffold.
func (s *S3Store) EnsureLayout(_ string) (SessionPaths, error) {
	return SessionPaths{}, fmt.Errorf("artifacts s3 ensure layout: not yet implemented")
}

// CopyInput returns a not-yet-implemented error in the scaffold.
func (s *S3Store) CopyInput(_, _, _ string) (Ref, error) {
	return Ref{}, fmt.Errorf("artifacts s3 copy input: not yet implemented")
}

// Exists returns a not-yet-implemented error in the scaffold.
func (s *S3Store) Exists(_ string) (bool, error) {
	return false, fmt.Errorf("artifacts s3 exists: not yet implemented")
}

// ExistsRef returns a not-yet-implemented error in the scaffold.
func (s *S3Store) ExistsRef(_ Ref) (bool, error) {
	return false, fmt.Errorf("artifacts s3 exists ref: not yet implemented")
}

// WriteFileAtomic returns a not-yet-implemented error in the scaffold.
func (s *S3Store) WriteFileAtomic(_ string, _ []byte, _ os.FileMode) error {
	return fmt.Errorf("artifacts s3 write file atomic: not yet implemented")
}

// Checksum returns a not-yet-implemented error in the scaffold.
func (s *S3Store) Checksum(_ string) (string, error) {
	return "", fmt.Errorf("artifacts s3 checksum: not yet implemented")
}

// AcquireSessionLock returns a not-yet-implemented error in the scaffold.
func (s *S3Store) AcquireSessionLock(_ string) (*LockHandle, error) {
	return nil, fmt.Errorf("artifacts s3 acquire lock: not yet implemented")
}

// ReleaseSessionLock returns a not-yet-implemented error in the scaffold.
func (s *S3Store) ReleaseSessionLock(_ *LockHandle) error {
	return fmt.Errorf("artifacts s3 release lock: not yet implemented")
}