package skill

import (
	"errors"
	"io/fs"
	"os"
	"path/filepath"
)

// mkdirAll wraps os.MkdirAll so the manager can swap implementations or add
// permission handling in one place.
func mkdirAll(path string) error {
	return os.MkdirAll(path, 0o755)
}

// removeIfExists deletes a path, treating "not found" as success. Any other
// error is returned.
func removeIfExists(path string) error {
	err := os.Remove(path)
	if err == nil || errors.Is(err, fs.ErrNotExist) {
		return nil
	}
	return err
}

// appDir returns the absolute directory holding an app's skills. Not exported;
// used internally when bulk-removing.
func (m *Manager) appDir(appSlug string) string {
	return filepath.Join(m.Root, appSlug)
}