package io_utils

import (
	"errors"
	"os"
)

var (
	ErrReadingFile = errors.New("error while reading the file")
	ErrFileEmpty   = errors.New("provided file is empty")
)

func ReadPassFile(path string) (pass string, err error) {
	buff, err := os.ReadFile(path)
	if err != nil {
		return "", errors.Join(ErrReadingFile, err)
	}
	if len(buff) < 1 {
		return "", ErrFileEmpty
	}
	if buff[len(buff)-1] == '\n' {
		buff = buff[:len(buff)-1]
	}
	return string(buff), nil
}