import {merge, hyphenate, isPrimitive, hasOwn} from './util/core'

const config = merge(
  {
    el: '#app',
    repo: '',
    maxLevel: 6,
    subMaxLevel: 0,
    loadSidebar: null,
    loadNavbar: null,
    homepage: 'README.md',
    coverpage: '',
    basePath: '',
    auto2top: false,
    name: '',
    themeColor: '',
    nameLink: window.location.pathname,
    autoHeader: false,
    executeScript: null,
    noEmoji: false,
    ga: '',
    ext: '.md',
    mergeNavbar: false,
    formatUpdated: '',
    externalLinkTarget: '_blank',
    routerMode: 'hash',
    noCompileLinks: []
  },
  window.$docsify
)

const script =
  document.currentScript ||
  [].slice
    .call(document.getElementsByTagName('script'))
    .filter(n => /docsify\./.test(n.src))[0]

if (script) {
  for (const prop in config) {
    if (hasOwn.call(config, prop)) {
      const val = script.getAttribute('data-' + hyphenate(prop))

      if (isPrimitive(val)) {
        config[prop] = val === '' ? true : val
      }
    }
  }

  if (config.loadSidebar === true) {
    config.loadSidebar = '_sidebar' + config.ext
  }
  if (config.loadNavbar === true) {
    config.loadNavbar = '_navbar' + config.ext
  }
  if (config.coverpage === true) {
    config.coverpage = '_coverpage' + config.ext
  }
  if (config.repo === true) {
    config.repo = ''
  }
  if (config.name === true) {
    config.name = ''
  }
}

window.$docsify = config

export default config