{% extends 'base.html' %}

{% block title %}
  {{ page.title }} | Garage blog
{% endblock %}

{% block content %}
<section id="blogpost-section" class="section">
    <div class="mx-auto max-w-7xl">
        <div class="grid grid-cols-5 gap-x-12">
            <div class="{% if page.extra.toc %}col-span-4{% else %}col-span-full{% endif %}">
                <article class="box my-12">
                    <div class="flex flex-col bg-gray-50">
                        <div class="flex flex-col border-l-4 border-aerogramme-blue py-2 pl-4 relative">
                            <h1 class="title leading-10 text-3xl text-aerogramme-blue font-semibold">
                                {{ page.title }}
                            </h1>
                            {% if page.description %}
                            <p class="subtitle my-2 text-gray-600 italic text-sm">{{ page.description }}</p>
                            {% endif %}
                            <a id="back-to-blog-posts" class="absolute top-0 -left-12" href="/blog/"
                                title="Back to blog posts">
                                <div class="w-10 overflow-hidden inline-block group">
                                    <div
                                        class="h-16 bg-aerogramme-gray group-hover:bg-aerogramme-blue transform -rotate-45 origin-top-right">
                                    </div>
                                </div>
                            </a>
                        </div>
                        <div
                            class="w-full text-aerogramme-gray text-sm grid grid-cols-1 md:grid-cols-2 bg-gradient-to-r from-gray-100 to-transparent p-3 border-l-4 border-gray-300">
                            <div class="flex items-center justify-start md:justify-start">
                                {{ macros::page_publish_metadata(page=page) }}
                            </div>
                            <div class="flex items-center justify-start md:justify-end">
                                {{ macros::page_content_metadata(page=page) }}
                            </div>
                            <div>
                                {% if page.taxonomies.categories %}
                                {{ macros::render_categories(categories=page.taxonomies.categories) }}
                                {% endif %}
                            </div>
                            <div>
                                {% if page.taxonomies.tags %}
                                {{ macros::render_tags(tags=page.taxonomies.tags) }}
                                {% endif %}
                            </div>
                        </div>
                    </div>
                    <div class="page-content max-w-4xl text-justify mt-12 px-5 md:px-12">
                        {{ page.content | safe }}
                    </div>
                </article>
            </div>
            {% if page.extra.toc %}
            <div
                class="col-span-1 my-12 is-hidden-mobile bg-gradient-to-b from-yellow-100 to-transparent rounded shadow-inner">
                <aside class="menu" style="position:sticky;top:0">
                    <p class="bg-yellow-200 uppercase text-xs font-light p-1 text-center text-gray-600">Contents</p>
                    <ul class="menu-list p-2 text-gray-800">
                        {% for h1 in page.toc %}
                        <li class="flex flex-col h-full">
                            <a id="link-{{h1.id}}"
                                class="toc text-sm text-gray-600 bg-transparent hover:text-orange-600 font-semibold {% if loop.first %}is-active{% endif %}"
                                href="{{ h1.permalink | safe }}">
                                {{ h1.title }}
                            </a>
                            {% if h1.children %}
                            <ul>
                                {% for h2 in h1.children %}
                                <li class="hover:text-orange-600 border-l border-orange-400">
                                    <a id="link-{{h2.id}}" class="toc pl-2 text-xs" href="{{ h2.permalink | safe }}">
                                        {{ h2.title }}
                                    </a>
                                </li>
                                {% endfor %}
                            </ul>
                            {% endif %}
                        </li>
                        {% endfor %}
                    </ul>
                </aside>
            </div>
            {% endif %}
        </div>
    </div>
</section>
{% endblock %}

{% block pagination %}
{% if page.earlier or page.later or page.lighter or page.heavier %}
<section class="w-full">
    <div class="container py-20">
        <div class="mx-auto max-w-4xl">
            <div class="column is-8">
                <nav class="flex space-x-8 items-center justify-center">
                    {% if page.later %}
                    <div>
                        <a class="flex items-center space-x-1 hover:text-aerogramme-blue font-semibold text-gray-800"
                            href="{{ page.later.permalink }}">
                            <span class="icon mr-2">
                                <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24"
                                    xmlns="http://www.w3.org/2000/svg">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                                        d="M7 16l-4-4m0 0l4-4m-4 4h18"></path>
                                </svg>
                            </span>
                            <span>{{ page.later.title }}</span>
                        </a>
                    </div>
                    {% endif %} {% if page.earlier %}
                    <div>
                        <a class="flex items-center space-x-1 hover:text-aerogramme-blue font-semibold text-gray-800"
                            href="{{ page.earlier.permalink }}">
                            {{ page.earlier.title }}<span class="icon ml-2">
                                <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24"
                                    xmlns="http://www.w3.org/2000/svg">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                                        d="M17 8l4 4m0 0l-4 4m4-4H3"></path>
                                </svg>
                            </span>
                        </a>
                    </div>
                    {% endif %} {% if page.heavier %}
                    <div>
                        <a class="flex items-center space-x-1 hover:text-aerogramme-blue font-semibold text-gray-800"
                            href="{{ page.heavier.permalink }}">
                            <span class="icon mr-2">
                                <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24"
                                    xmlns="http://www.w3.org/2000/svg">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                                        d="M7 16l-4-4m0 0l4-4m-4 4h18"></path>
                                </svg>
                            </span>
                            <span>{{ page.heavier.title }}</span>
                        </a>
                    </div>
                    {% endif %} {% if page.lighter %}
                    <div>
                        <a class="flex items-center space-x-1 hover:text-aerogramme-blue font-semibold text-gray-800"
                            href="{{ page.lighter.permalink }}">
                            {{ page.lighter.title }}<span class="icon ml-2">
                                <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24"
                                    xmlns="http://www.w3.org/2000/svg">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                                        d="M17 8l4 4m0 0l-4 4m4-4H3"></path>
                                </svg>
                            </span>
                        </a>
                    </div>
                    {% endif %}
                </nav>
            </div>
        </div>
    </div>
</section>
{% endif %}
{% endblock %}

{% block custom_js %}
{% if page.extra.toc %}
<script type="text/javascript">
    const menuBarHeight = document.querySelector("nav.navbar").clientHeight;
    const tocItems = document.querySelectorAll(".toc");
    const navSections = new Array(tocItems.length);

    tocItems.forEach((el, i) => {
        let id = el.getAttribute("id").substring(5);
        navSections[i] = document.getElementById(id);
    })

    function isVisible(tocIndex) {
        const current = navSections[tocIndex];
        const next = tocIndex < tocItems.length - 1 ? navSections[tocIndex + 1]
            : document.querySelectorAll("section.section").item(1);

        const c = current.getBoundingClientRect();
        const n = next.getBoundingClientRect();
        const h = (window.innerHeight || document.documentElement.clientHeight);

        return (c.top <= h) && (n.top - menuBarHeight >= 0);
    }

    function activateIfVisible() {
        for (b = true, i = 0; i < tocItems.length; i++) {
            if (b && isVisible(i)) {
                tocItems[i].classList.add('is-active');
                b = false;
            } else
                tocItems[i].classList.remove('is-active');
        }
    }

    var isTicking = null;
    window.addEventListener('scroll', () => {
        if (!isTicking) {
            window.requestAnimationFrame(() => {
                activateIfVisible();
                isTicking = false;
            });
            isTicking = true;
        }
    }, false);
</script>
{% endif %}
{% endblock %}