<!--
  Copyright (c) 2016-2020 Martin Donath <martin.donath@squidfunk.com>

  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to
  deal in the Software without restriction, including without limitation the
  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  sell copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:

  The above copyright notice and this permission notice shall be included in
  all copies or substantial portions of the Software.

  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  IN THE SOFTWARE.
-->

<!-- Mitigate bug: https://github.com/mkdocs/mkdocs/issues/2191 -->
{% set site_url = config.site_url | default(nav.homepage.url, true) | url %}
{% if not config.use_directory_urls and site_url[0] == site_url[-1] == "." %}
  {% set site_url = site_url ~ "/index.html" %}
{% endif %}

<!-- Application header -->
<header class="md-header" data-md-component="header">

  <!-- Top-level navigation -->
  <nav class="md-header-nav md-grid" aria-label="{{ lang.t('header.title') }}">

    <!-- Link to home -->
    <a
      href="{{ site_url }}"
      title="{{ config.site_name | e }}"
      class="md-header-nav__button md-logo"
      aria-label="{{ config.site_name }}"
    >
      {% include "partials/logo.html" %}
    </a>

    <!-- Button to open drawer -->
    <label class="md-header-nav__button md-icon" for="__drawer">
      {% include ".icons/material/menu" ~ ".svg" %}
    </label>

    <!-- Header title -->
    <div class="md-header-nav__title" data-md-component="header-title">
      {% if config.site_name == page.title %}
        <div class="md-header-nav__ellipsis md-ellipsis">
          {{ config.site_name }}
        </div>
      {% else %}
        <div class="md-header-nav__ellipsis">
          <span class="md-header-nav__topic md-ellipsis">
            {{ config.site_name }}
          </span>
          <span class="md-header-nav__topic md-ellipsis">
            {% if page and page.meta and page.meta.title %}
              {{ page.meta.title }}
            {% else %}
              {{ page.title }}
            {% endif %}
          </span>
        </div>
      {% endif %}
    </div>

    <!-- Button to open search dialogue -->
    {% if "search" in config["plugins"] %}
      <label class="md-header-nav__button md-icon" for="__search">
        {% include ".icons/material/magnify.svg" %}
      </label>

      <!-- Search interface -->
      {% include "partials/search.html" %}
    {% endif %}

    <!-- Repository containing source -->
    {% if config.repo_url %}
      <div class="md-header-nav__source">
        {% include "partials/source.html" %}
      </div>
    {% endif %}
  </nav>
</header>
