{% extends 'default.html.twig' %}

{% block content %}
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/photoswipe@5/dist/photoswipe.css">
{% set journal_entries = page.collection() %}
{% set stories_page = grav.pages.find(page.parent().route ~ '/stories') %}
{% set story_entries = stories_page ? stories_page.children.published() : [] %}

{% set all_items = [] %}
{% for e in journal_entries %}
    {% set all_items = all_items|merge([{'type': 'journal', 'page': e, 'date': e.date}]) %}
{% endfor %}
{% for s in story_entries %}
    {% set all_items = all_items|merge([{'type': 'story', 'page': s, 'date': s.date}]) %}
{% endfor %}

{# page.collection() returns date-descending; reverse to match ascending default on trip page. #}
{% set all_items = all_items|reverse %}

{# Collect GPS entries for mini-map #}
{% set map_entries = [] %}
{% for item in all_items %}
    {% if item.type == 'journal' and item.page.header.lat is not empty and item.page.header.lng is not empty %}
        {% set map_entries = map_entries|merge([{
            'lat': item.page.header.lat,
            'lng': item.page.header.lng,
            'title': item.page.title,
            'slug': item.page.slug,
            'url': item.page.url,
            'force_connect': item.page.header.force_connect ? true : false,
            'transport_mode': item.page.header.transport_mode ? item.page.header.transport_mode : null
        }]) %}
    {% endif %}
{% endfor %}

{% set trip_page = page.parent() %}

{% include 'partials/feed-map.html.twig' with {
    'map_entries': map_entries,
    'map_id': 'feed-map',
    'map_var': 'feedMap',
    'link_href': page.parent().url ~ '/map',
    'card_prefix': 'entry-',
    'trip_page': trip_page,
    'show_journey': true
} only %}

<div class="feed-sort-bar">
    <button class="trip-stats-btn" id="feed-sort-toggle" aria-label="Sort: oldest first">↑ Oldest first</button>
</div>
<div class="feed">
    {% if all_items|length > 0 %}
        {% for item in all_items %}
            {% set entry = item.page %}
            {% if item.type == 'journal' %}
                {% include 'partials/entry-journal.html.twig' %}
            {% else %}
                {% include 'partials/entry-story.html.twig' %}
            {% endif %}
        {% endfor %}
    {% else %}
        <p class="feed-empty">No entries yet. The journey is about to begin.</p>
    {% endif %}
</div>

<script type="module">
import PhotoSwipeLightbox from 'https://cdn.jsdelivr.net/npm/photoswipe@5/dist/photoswipe-lightbox.esm.min.js';

const lightbox = new PhotoSwipeLightbox({
    gallery: '.pswp-gallery',
    children: 'a.journal-photo-slide',
    pswpModule: () => import('https://cdn.jsdelivr.net/npm/photoswipe@5/dist/photoswipe.esm.min.js')
});
lightbox.on('afterOpen', function () {
    var pswp = lightbox.pswp;
    var keyDir = 0;
    var clearTimer = null;
    function onKey(e) {
        if (e.key === 'ArrowRight') keyDir = 1;
        else if (e.key === 'ArrowLeft') keyDir = -1;
        else keyDir = 0;
    }
    document.addEventListener('keydown', onKey, true);
    pswp.on('change', function () {
        if (!keyDir) return;
        var dir = keyDir;
        keyDir = 0;
        var el = pswp.currSlide && pswp.currSlide.container;
        if (!el) return;
        el.classList.remove('pswp-key-from-left', 'pswp-key-from-right');
        el.offsetWidth;
        el.classList.add(dir > 0 ? 'pswp-key-from-right' : 'pswp-key-from-left');
        clearTimeout(clearTimer);
        clearTimer = setTimeout(function () { el.classList.remove('pswp-key-from-left', 'pswp-key-from-right'); }, 400);
    });
    pswp.on('close', function () {
        document.removeEventListener('keydown', onKey, true);
        clearTimeout(clearTimer);
    });
});
lightbox.init();

/* Per-strip: dot sync + expand button → tap the visible slide to trigger pswp */
document.querySelectorAll('.journal-photo-wrap').forEach(function (wrap) {
    var strip     = wrap.querySelector('.journal-photo-strip');
    var slides    = Array.from(strip.querySelectorAll('a.journal-photo-slide'));
    var expandBtn = wrap.querySelector('.journal-photo-expand');
    var article   = wrap.closest('article');
    var dots      = article ? Array.from(article.querySelectorAll('.journal-photo-dot')) : [];
    var visibleIdx = 0;

    var io = new IntersectionObserver(function (entries) {
        entries.forEach(function (e) {
            if (!e.isIntersecting) return;
            visibleIdx = slides.indexOf(e.target);
            dots.forEach(function (d) { d.classList.remove('is-active'); });
            if (dots[visibleIdx]) dots[visibleIdx].classList.add('is-active');
        });
    }, { root: strip, threshold: 0.5 });
    slides.forEach(function (s) { io.observe(s); });

    if (expandBtn && slides.length) {
        expandBtn.addEventListener('click', function () {
            slides[visibleIdx].dispatchEvent(new MouseEvent('click', { bubbles: true, cancelable: true }));
        });
    }
});
</script>
<script>
(function() {
    var sortBtn = document.getElementById('feed-sort-toggle');
    if (!sortBtn) return;
    var feed = document.querySelector('.feed');
    var ascending = true;

    sortBtn.addEventListener('click', function() {
        ascending = !ascending;
        var entries = Array.from(feed.querySelectorAll('[data-type]'));
        entries.reverse().forEach(function(el) { feed.appendChild(el); });
        sortBtn.textContent = ascending ? '↑ Oldest first' : '↓ Newest first';
        sortBtn.setAttribute('aria-label', ascending ? 'Sort: oldest first' : 'Sort: newest first');
        sortBtn.classList.toggle('is-active', !ascending);
    });
})();
</script>
{% endblock %}