{# Keep the primary navigation scoped to the current language tree. #}
{% import "partials/nav-item.html" as item with context %}
{% set current_language = "zh" if page.canonical_url and "/zh/" in page.canonical_url else "en" %}
{% set canonical = page.canonical_url | string %}
{% set is_docs = "/docs/" in canonical or "/development/" in canonical or "/modules/" in canonical %}
{% set is_rfcs = "/rfcs/" in canonical %}
{% set class = "md-nav md-nav--primary" %}
{% if "navigation.tabs" in features %}
  {% set class = class ~ " md-nav--lifted" %}
{% endif %}
{% if "toc.integrate" in features %}
  {% set class = class ~ " md-nav--integrated" %}
{% endif %}
<nav class="{{ class }}" aria-label="{{ lang.t('nav') }}" data-md-level="0">
  <label class="md-nav__title" for="__drawer">
    <a href="{{ config.extra.homepage | d(nav.homepage.url, true) | url }}" title="OceanBase | {{ config.site_name | e }}" class="md-nav__button md-logo" aria-label="OceanBase {{ config.site_name }}" data-md-component="logo">
      {% include "partials/logo.html" %}
    </a>
    OceanBase | {{ config.site_name }}
  </label>
  {% if config.repo_url and not is_docs and not is_rfcs %}
    <div class="md-nav__source">
      {% include "partials/source.html" %}
    </div>
  {% endif %}
  <ul class="md-nav__list" data-md-scrollfix>
    {% for language_item in nav.items %}
      {% set title = language_item.title %}
      {% if current_language == "zh" %}
        {% if title == "中文" %}
          {% for nav_item in language_item.children %}
            {% if (not is_docs and not is_rfcs) or (is_docs and nav_item.title == "文档") or (is_rfcs and nav_item.title == "RFC") %}
              {% set path = "__nav_" ~ loop.index %}
              {{ item.render(nav_item, path, 1) }}
            {% endif %}
          {% endfor %}
        {% endif %}
      {% else %}
        {% if title == "English" %}
          {% for nav_item in language_item.children %}
            {% if (not is_docs and not is_rfcs) or (is_docs and nav_item.title == "Docs") or (is_rfcs and nav_item.title == "RFCs") %}
              {% set path = "__nav_" ~ loop.index %}
              {{ item.render(nav_item, path, 1) }}
            {% endif %}
          {% endfor %}
        {% endif %}
      {% endif %}
    {% endfor %}
  </ul>
</nav>