const Fileinfo = require('./fileinfo')

const Newsitem = {
  oninit: function(vnode) {
    let article = vnode.attrs.article
    if (article.media_prefix) {
      this.fallbackImage = article.media_prefix + '_small.jpg'
      this.srcsetJpeg = article.media_prefix + '_small.jpg' + ' 720w, '
                      + article.media_prefix + '_medium.jpg' + ' 1300w, '
                      + article.media_prefix + '_large.jpg'
      this.srcsetAvif = article.media_prefix + '_small.avif' + ' 720w, '
                      + article.media_prefix + '_medium.avif' + ' 1300w, '
                      + article.media_prefix + '_large.avif'

      this.coverSizes = '(max-width: 639px) calc(100vw - 40px), '
                      + '(max-width: 1000px) 300px, '
                      + '400px'
    } else {
      this.fallbackImage = null
      this.srcsetJpeg = null
      this.srcsetAvif = null
      this.coverSizes = null
    }
  },

  view: function(vnode) {
    let article = vnode.attrs.article

    return m('newsitem', [
      m(m.route.Link,
        { href: '/article/' + article.path, class: 'title' },
        m('h3', [article.name])
      ),
      m('div.newsitemcontent', [
        this.fallbackImage
          ? m(m.route.Link, {
                class: 'cover',
                href: '/article/' + article.path,
              },
              m('picture', [
                this.srcsetAvif ? m('source', {
                  srcset: this.srcsetAvif,
                  sizes: this.coverSizes,
                  type: 'image/avif',
                }) : null,
                m('img', {
                  srcset: this.srcsetJpeg,
                  sizes: this.coverSizes,
                  alt: 'Image for news item ' + article.name,
                  src: this.fallbackImage,
                }),
              ])
            )
          : null,
        m('div.entrycontent', {
          class: article.media ? '' : 'extrapadding',
        }, [
          (article.content
              ? m('.fr-view', m.trust(article.content))
              : null),
          (article.files && article.files.length
            ? article.files.map(function(file) {
                return m(Fileinfo, { file: file, trim: true })
              })
            : null),
          m('span.entrymeta', [
            'Posted ',
            (article.page_path ? 'in' : ''),
            (article.page_path ? m(m.route.Link, { href: '/page/' + article.page_path }, article.page_name) : null),
            'at ' + (article.publish_at.replace('T', ' ').split('.')[0]).substr(0, 16),
            ' by ' + (article.admin_name || 'Admin'),
          ]),
        ]),
      ]),
    ])
  },
}

module.exports = Newsitem