'use strict';

const _ = require('lodash');
const assert = require('assert');
const path = require('path');

const consts = require('./constants');

module.exports = {
  normalizeComponent,
  normalizeLevel
};

function normalizeComponent(component) {
  const shortComponent = component.replace(process.env.HOME, '');
  const isFilePath = shortComponent !== component;
  if (isFilePath && path.sep === '\\') {
    return shortComponent.replace(/\\/g, '/');
  }
  return shortComponent;
}

function normalizeLevel(level) {
  level = level.toLowerCase();
  assert(_.isNumber(consts.ALL_LEVELS[level]), 'Logging level not among the allowed values');
  return level;
}