{#- Shared macros. Import with: {% import "partials/macros.html" as m with context %} -#}

{%- macro section_index(section) -%}
  {#- A section whose first child is its index.md links to that page. -#}
  {%- set first = section.children[0] if section.children else None -%}
  {%- if first and first.is_page and first.file and first.file.name == 'index' -%}{{ first }}{%- endif -%}
{%- endmacro -%}

{%- macro nav_tree(items, depth) -%}
<ul class="sumi-nav-list" data-depth="{{ depth }}">
  {%- for item in items %}
  {%- if item.is_section %}
    {%- set first = item.children[0] if item.children else None -%}
    {%- set has_index = first and first.is_page and first.file and first.file.name == 'index' -%}
    {%- set rest = item.children[1:] if has_index else item.children -%}
    <li class="sumi-nav-section{% if item.active %} is-active{% endif %}">
      <details{% if item.active or depth == 1 %} open{% endif %}>
        <summary>
          {%- if has_index %}
          <a href="{{ first.url | url }}"{% if first.active %} aria-current="page" class="is-current"{% endif %}>{{ item.title }}</a>
          {%- else %}
          <span>{{ item.title }}</span>
          {%- endif %}
          {{ icon('chevron-right', 'sumi-chevron') }}
        </summary>
        {{ nav_tree(rest, depth + 1) }}
      </details>
    </li>
  {%- elif item.is_link %}
    <li class="sumi-nav-link"><a href="{{ item.url | url }}"{% if item.url.startswith('http') %} rel="noopener" target="_blank"{% endif %}>{{ item.title }}{% if item.url.startswith('http') %}{{ icon('arrow-up-right', 'sumi-ext') }}{% endif %}</a></li>
  {%- else %}
    <li class="sumi-nav-page"><a href="{{ item.url | url }}"{% if item.active %} aria-current="page" class="is-current"{% endif %}>{{ item.title }}</a></li>
  {%- endif %}
  {%- endfor %}
</ul>
{%- endmacro -%}

{%- macro first_url(item) -%}
  {%- if item.is_section -%}{{ first_url(item.children[0]) if item.children else '' }}{%- else -%}{{ item.url | url }}{%- endif -%}
{%- endmacro -%}

{%- macro accent_style(accent) -%}
  {%- set named = {
    'vermilion': ['#c4432b', '#ef7258'],
    'indigo': ['#2f5d93', '#86b4ea'],
    'moss': ['#4b6b2f', '#9ccc6e'],
    'plum': ['#7a3b74', '#dc93d4'],
    'ochre': ['#9a6512', '#e7b45a'],
    'teal': ['#1f6f6a', '#6fd0c6'],
    'ink': ['#2a2926', '#e8e4dc'],
  } -%}
  {%- if accent != 'vermilion' -%}
    {%- set pair = named[accent] if accent in named else [accent, accent] -%}
<style>:root{--sumi-accent:{{ pair[0] }}}[data-theme="dark"]{--sumi-accent:{{ pair[1] }}}</style>
  {%- endif -%}
{%- endmacro -%}

{%- macro social_icon(name) -%}
  {#- Accept Sumi names (brand-github, rss) and Material ones (fontawesome/brands/github). -#}
  {%- set n = name or 'link' -%}
  {%- if '/' in n -%}
    {%- set slug = n.split('/')[-1] -%}
    {%- set slug = {'x-twitter': 'x', 'twitter': 'x', 'square-github': 'github', 'github-alt': 'github', 'weixin': 'wechat'}.get(slug, slug) -%}
    {%- set n = 'brand-' ~ slug -%}
  {%- endif -%}
  {%- set svg = icon(n) -%}
  {{- svg if svg else icon('link') -}}
{%- endmacro -%}

{%- macro repo_icon(url) -%}
  {%- if config.theme.repo_icon -%}{{ social_icon(config.theme.repo_icon) }}
  {%- elif 'gitlab' in url -%}{{ icon('brand-gitlab') }}
  {%- elif 'gitee' in url -%}{{ icon('brand-gitee') }}
  {%- elif 'bitbucket' in url -%}{{ icon('brand-bitbucket') }}
  {%- elif 'codeberg' in url -%}{{ icon('brand-codeberg') }}
  {%- else -%}{{ icon('brand-github') }}{%- endif -%}
{%- endmacro -%}