{% macro nav_item(nav, path_to_root) -%}
<nav>
    <a href="{{ path_to_root }}/index.html">Products</a>
    <ul>
        {% for p in nav.products %}
        <li>
            <a
                href="{{ path_to_root }}/{{ product_url_path(p.product.id) }}.html"
                >{{ p.product.id }}</a
            >
            <ul>
                <li>
                    <a
                        href="{{ path_to_root }}/{{ product_url_path(p.product.id) }}/evidence-matrix.html"
                        >Evidence Matrix</a
                    >
                </li>
                <li>
                    <a
                        href="{{ path_to_root }}/{{ product_url_path(p.product.id) }}/requirements.html"
                        >Requirements</a
                    >
                    <ul>
                        {% for req in p.root_requirements %}
                        <li>
                            <a
                                href="{{ path_to_root }}/{{ requirement_url_path(req) }}.html"
                                >{{ req.id }}</a
                            >
                        </li>
                        {% endfor %}
                    </ul>
                </li>
                <li>
                    <a
                        href="{{ path_to_root }}/{{ product_url_path(p.product.id) }}/test-runs.html"
                        >Test Runs</a
                    >
                    <ul>
                        {% for test_run in p.root_test_runs %}
                        <li>
                            <a
                                href="{{ path_to_root }}/{{ test_run_url_path(test_run) }}.html"
                                >{{ test_run.name }}</a
                            >
                        </li>
                        {% endfor %}
                    </ul>
                </li>
                <li>
                    <a
                        href="{{ path_to_root }}/{{ product_url_path(p.product.id) }}/reviews.html"
                        >Reviews</a
                    >
                    <ul>
                        {% for review in p.reviews %}
                        <li>
                            <a
                                href="{{ path_to_root }}/{{ review_url_path(review) }}.html"
                                >{{ review.name }}</a
                            >
                        </li>
                        {% endfor %}
                    </ul>
                </li>
            </ul>
        </li>
        {% endfor %}
    </ul>
</nav>
{%- endmacro %}