package artifacts

import (
	"fmt"
	"os"
)

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

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

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

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

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