// .vuepress/config.js
// or
// .vuepress/theme/index.js

// set your global autometa options - override in page frontmatter
const autometa_options = {
  site: {
    name   : 'Webmasterish',
    twitter: 'webmasterish',
  },
  canonical_base: 'https://webmasterish.com',
};

module.exports = {
  plugins: [
    [ 'autometa', autometa_options ]
  ]
}

const default_options = {

  enable : true, // enables/disables everything - control per page using frontmatter
  image  : true, // regular meta image used by search engines
  twitter: true, // twitter card
  og     : true, // open graph: facebook, pinterest, google+
  schema : true, // schema.org for google

  // -------------------------------------------------------------------------

  // canonical_base is the canonical url base - best to set once in config.js
  // if set it will be used to prepend page path and add it to the following:
  // - twitter:url
  // - og:url
  // - canonical link (not yet supported)

  canonical_base: '',

  // @todo
  //canonical_link: true,
  //
  // having only started with vuepress a few days ago,
  // so far, i couldn't figure out a proper way to extend config head
  // and add <link rel="canonical" href="URL.resolve( canonical_base, $page.path )">
  // feel free to tip-in

  // ---------------------------------------------------------------------------

  author: {
    name   : '',
    twitter: '',
  },

  // ---------------------------------------------------------------------------

  site: {
    name   : '',
    twitter: '',
  },

  // ---------------------------------------------------------------------------

  // order of what gets the highest priority:
  //
  // 1. frontmatter
  // 2. page excerpt
  // 3. content markdown paragraph
  // 4. content regular html <p>

  description_sources: [

    'frontmatter',
    'excerpt',

    // markdown paragraph regex
    //
    /^((?:(?!^#)(?!^\-|\+)(?!^[0-9]+\.)(?!^!\[.*?\]\((.*?)\))(?!^\[\[.*?\]\])(?!^\{\{.*?\}\})[^\n]|\n(?! *\n))+)(?:\n *)+\n/img,
    //
    // this excludes blockquotes using `(?!^>)`
    ///^((?:(?!^#)(?!^\-|\+)(?!^[0-9]+\.)(?!^!\[.*?\]\((.*?)\))(?!^>)(?!^\[\[.*?\]\])(?!^\{\{.*?\}\})[^\n]|\n(?! *\n))+)(?:\n *)+\n/img,

    // html paragraph regex
    /<p(?:.*?)>(.*?)<\/p>/i,

  ],

  // ---------------------------------------------------------------------------

  // order of what gets the highest priority:
  //
  // 1. frontmatter
  // 2. content markdown image such as `![alt text](http://url)`
  // 3. content regular html img

  image_sources: [

    'frontmatter',

    /!\[.*?\]\((.*?)\)/i,        // markdown image regex
    /<img.*?src=['"](.*?)['"]/i, // html image regex

  ],

};