package babillard

import (
	"fmt"
	"os"
)

var forbiddenFiles = []string{".gitkeep", "messages.txt", "Thumbs.db"}

func ListContenu(path string) (files []string, err error) {
	file, err := os.Open(path)
	if err != nil {
		return nil, err
	}
	defer file.Close()

	stats, err := file.Stat()
	if err != nil {
		return nil, err
	}

	if !stats.IsDir() {
		return nil, fmt.Errorf("contenu '%s' n'est pas un répertoire", path)
	}

	fileInfos, err := file.Readdir(-1)
	if err != nil {
		return nil, err
	}

fileLoop:
	for _, fileInfo := range fileInfos {
		for _, forbiddenFile := range forbiddenFiles {
			if fileInfo.Name() == forbiddenFile {
				continue fileLoop
			}
		}
		files = append(files, fileInfo.Name())
	}

	return files, nil
}