package common

import (
	"bufio"
	"os"
	"strings"
)

var (
	Paths []string
)

func Readfile(filename string, out chan<- string) error {
	file, err := os.Open(filename)
	if err != nil {
		return err
	}
	defer file.Close()

	scanner := bufio.NewScanner(file)
	for scanner.Scan() {
		line := strings.TrimSpace(scanner.Text())
		out <- line
	}

	return scanner.Err()
}

func ReadPaths() ([]string, error) {
	if Conf.Pathlist == "" {
		// default fallback paths, some of the most common opendir uris
		return []string{"/", "/files", "/ftp", "/backup", "/backups", "/config", "/dev", "/archive", "/old", "/scripts", "/logs", "/data", "/uploads", "/temp", "/tmp", "/static"}, nil
	}
	var paths []string

	file, err := os.Open(Conf.Pathlist)
	if err != nil {
		return nil, err
	}
	defer file.Close()

	scanner := bufio.NewScanner(file)
	for scanner.Scan() {
		paths = append(paths, strings.TrimSpace(scanner.Text()))
	}

	return paths, scanner.Err()
}