package localfs

import (
	"io/fs"
	"os"
	"path"
	"strings"
)

type FileSystemRepository struct {
	root string
}

func NewFileSystemRepository() *FileSystemRepository {
	return &FileSystemRepository{}
}

func (self *FileSystemRepository) getFilesFromPath(filepath string) ([]fs.FileInfo, error) {
	dirs, err := os.ReadDir(filepath)
	if err != nil {
		return nil, err
	}

	infos := make([]fs.FileInfo, 0, len(dirs))
	for _, dir := range dirs {
		if strings.HasPrefix(dir.Name(), ".") {
			continue
		}
		info, err := dir.Info()
		if err != nil {
			return nil, err
		}
		infos = append(infos, info)
	}

	return infos, nil
}

func (self *FileSystemRepository) List(filepath string) ([]fs.FileInfo, error) {
	workingPath := path.Join(self.root, filepath)
	return self.getFilesFromPath(workingPath)
}

func (self *FileSystemRepository) Stat(filepath string) (fs.FileInfo, error) {
	workingPath := path.Join(self.root, filepath)
	return os.Stat(workingPath)
}