{% extends 'base.html' %}
{% load static %}
{% load markdown %}

{% block title %}{{ project.title }} - Packs Site{% endblock %}

{% block content %}
<div class="project-header card">
    <div class="project-avatar">
        {% if project.thumbnail %}
            <img src="{{ project.thumbnail_url }}" alt="{{ project.title }}">
        {% else %}
            <div class="default-avatar large">{{ project.title|first|upper }}</div>
        {% endif %}
    </div>
    <div class="project-header-main">
        <div class="project-title-row">
            <h1>{{ project.title }}</h1>
            <span class="category-badge">{{ project.get_category_display }}</span>
            <span class="project-id-badge" title="Project ID">#{{ project.pk }}</span>
        </div>
        {% if project.summary %}<p class="project-summary">{{ project.summary }}</p>{% endif %}
        <div class="project-meta">
            <span class="project-owner"><i class="fas fa-user"></i>
                <a href="{% url 'profiles:user_profile' project.owner.username %}">{{ project.owner.username }}</a>
            </span>
            <span class="project-stat"><i class="fas fa-download"></i> {{ project.downloads }}</span>
            <span class="project-stat"><i class="fas fa-tag"></i> {{ versions|length }} version{{ versions|length|pluralize }}</span>
        </div>
        {% if can_edit %}
            <div class="project-actions">
                <a href="{% url 'library:version_upload' project.slug %}" class="btn btn-primary"><i class="fas fa-upload"></i> New version</a>
                <a href="{% url 'library:asset_upload' project.slug %}" class="btn btn-secondary"><i class="fas fa-images"></i> Add media</a>
                <a href="{% url 'library:project_edit' project.slug %}" class="btn btn-secondary"><i class="fas fa-pen"></i> Edit</a>
                {% if request.user == project.owner %}
                    <a href="{% url 'library:contributors' project.slug %}" class="btn btn-secondary"><i class="fas fa-users"></i> Contributors</a>
                    <a href="{% url 'library:project_delete' project.slug %}" class="btn btn-danger"><i class="fas fa-trash"></i></a>
                {% endif %}
            </div>
        {% endif %}
    </div>
</div>

{% if tags %}
    <div class="project-tags card">
        {% regroup tags by tag.category as tag_groups %}
        {% for group in tag_groups %}
            <div class="tag-group">
                <span class="tag-group-label">
                    <span class="tag-dot" style="background: {{ group.grouper.color }};"></span>
                    {{ group.grouper.name }}
                </span>
                {% for link in group.list %}
                    <a href="{% url 'library:browse' %}?tag={{ link.tag.name }}" class="tag-chip"
                       style="border-color: {{ group.grouper.color }}; color: {{ group.grouper.color }};">{{ link.tag.name }}</a>
                {% endfor %}
            </div>
        {% endfor %}
    </div>
{% endif %}

<div class="tab-bar" role="tablist">
    <button class="tab-btn active" data-tab="{% if project.category == 'guide' %}guide{% else %}description{% endif %}" role="tab">
        {% if project.category == 'guide' %}Guide{% else %}Description{% endif %}
    </button>
    <button class="tab-btn" data-tab="versions" role="tab">Versions</button>
    {% if animation_manifest %}<button class="tab-btn" data-tab="animations" role="tab">Animations</button>{% endif %}
    {% if models_manifest %}<button class="tab-btn" data-tab="models" role="tab">Models/Textures</button>{% endif %}
    {% if logical_manifest %}<button class="tab-btn" data-tab="logical" role="tab">Logical</button>{% endif %}
    {% if mods_manifest %}<button class="tab-btn" data-tab="mods" role="tab">Mods</button>{% endif %}
    <button class="tab-btn" data-tab="gallery" role="tab">Gallery</button>
</div>

<section class="tab-panel active" id="tab-{% if project.category == 'guide' %}guide{% else %}description{% endif %}">
    <div class="card">
        {% if project.category == 'guide' %}
            <div class="guide-docs">
                {% if guide_docs %}
                    <div class="guide-switcher" role="tablist">
                        {% for doc in guide_docs %}
                            <button type="button" class="guide-switch-btn{% if forloop.first %} active{% endif %}"
                                    data-url="{% url 'library:guide_doc' project.slug doc.version.pk doc.file.uuid %}">{{ doc.filename }}</button>
                        {% endfor %}
                    </div>
                    <div class="markdown-body guide-content" id="guide-content">
                        <p class="empty-hint">Loading…</p>
                    </div>
                {% else %}
                    <p class="empty-hint">No guide documents uploaded yet.</p>
                {% endif %}
            </div>
        {% elif project.description %}
            <div class="markdown-body project-description">{{ project.description|markdown }}</div>
        {% else %}
            <p class="empty-hint">No description yet.</p>
        {% endif %}
    </div>
</section>

<section class="tab-panel" id="tab-versions">
    <div class="card">
        <h2><i class="fas fa-history"></i> Versions</h2>
        {% for version in versions %}
            <div class="version-row">
                <div class="version-info">
                    <div class="version-name-row">
                        <strong class="version-name">{{ version.version_name }}</strong>
                        {% if forloop.first %}<span class="latest-badge">latest</span>{% endif %}
                        {% if version.pack_format %}<span class="pack-format-badge">pack format {{ version.pack_format }}</span>{% endif %}
                    </div>
                    <span class="version-date"><i class="fas fa-clock"></i> {{ version.created_at|date:"M j, Y" }}</span>
                    <span class="version-downloads"><i class="fas fa-download"></i> {{ version.downloads }}</span>
                </div>
                {% if version.pack_description %}
                    <p class="pack-description"><i class="fas fa-info-circle"></i> {{ version.pack_description }}</p>
                {% endif %}
                {% if version.changelog %}
                    <div class="markdown-body version-changelog">{{ version.changelog|markdown }}</div>
                {% endif %}
                <div class="version-files">
                    {% for vf in version.files.all %}
                        <div class="version-file">
                            {% if vf.is_png %}
                                <img class="version-file-thumb" src="{% url 'library:file_request' vf.file.uuid %}" alt="{{ vf.filename }}">
                            {% elif vf.is_markdown %}
                                <i class="fas fa-file-lines version-file-icon"></i>
                            {% else %}
                                <i class="fas fa-file-archive version-file-icon"></i>
                            {% endif %}
                            <span class="version-file-name">{{ vf.filename }}</span>
                            <a class="btn btn-primary btn-sm" href="{% url 'library:version_file_download' project.slug version.pk vf.file.uuid %}" title="Download {{ vf.filename }}">
                                <i class="fas fa-download"></i>
                            </a>
                        </div>
                    {% endfor %}
                </div>
            </div>
        {% empty %}
            <p class="empty-hint">No versions yet.</p>
        {% endfor %}
    </div>
</section>

{% if animation_manifest %}
<section class="tab-panel" id="tab-animations">
    <div class="card">
        <div class="animations-header">
            <h2><i class="fas fa-film"></i> Animations</h2>
            {% if animation_manifest.name %}
                <p class="anim-pack-name">{{ animation_manifest.name }}
                    {% if animation_manifest.version %}<span class="pack-format-badge">v{{ animation_manifest.version }}</span>{% endif %}
                </p>
            {% endif %}
            <p class="anim-authors">
                <i class="fas fa-user-pen"></i> by
                {% for author in animation_manifest.authors %}{{ author }}{% if not forloop.last %}, {% endif %}{% empty %}{{ project.owner.username }}{% endfor %}
            </p>
            {% if animation_manifest.description %}<p class="anim-description">{{ animation_manifest.description }}</p>{% endif %}
            {% if not animation_manifest.animation_id %}
                <p class="anim-warning"><i class="fas fa-exclamation-triangle"></i> This pack has no <code>animationframework.id</code> — it can't be reached through the update-check API.</p>
            {% endif %}
        </div>

        {% if anim_stats %}
            <div class="animations-summary">
                <span><strong>{{ anim_stats.total }}</strong> animations</span>
                <span><strong>{{ anim_stats.player }}</strong> Player × Player</span>
                <span><strong>{{ anim_stats.entity }}</strong> Entity × Player</span>
                <span><strong>{{ anim_stats.solo }}</strong> solo</span>
                {% if anim_stats.flagged %}<span class="anim-summary-flagged"><strong>{{ anim_stats.flagged }}</strong> flagged ⚠</span>{% endif %}
                <span><strong>{{ anim_stats.tags|length }}</strong> tags</span>
            </div>
        {% endif %}

        <div class="anim-grid">
            {% for anim in animation_manifest.animations %}
                <div class="anim-card">
                    <div class="anim-card-head">
                        <strong class="anim-name">{{ anim.name }}</strong>
                        <span class="anim-type-badge">{{ anim.type }}</span>
                        {% if anim.problem_tags %}
                            <span class="anim-problem" title="{{ anim.problem_tags|join:', ' }}"><i class="fas fa-exclamation-triangle"></i></span>
                        {% endif %}
                    </div>
                    <div class="anim-tags">
                        {% for tag in anim.content_tags %}
                            <span class="tag-chip" style="border-color: var(--md-sys-color-content, #d62828); color: var(--md-sys-color-content, #d62828);">{{ tag }}</span>
                        {% endfor %}
                        {% for tag in anim.animation_tags %}
                            <span class="tag-chip">{{ tag }}</span>
                        {% endfor %}
                    </div>
                    <div class="anim-actors">
                        {% for actor in anim.actors %}
                            <span class="actor-chip">
                                {% if actor.entity == 'player' %}
                                    <i class="fas fa-user"></i> Player
                                {% else %}
                                    <i class="fas fa-paw"></i> {{ actor.entity }}
                                {% endif %}
                                {% if actor.gender %}{% if actor.gender == 'male' %} ♂{% elif actor.gender == 'female' %} ♀{% endif %}{% endif %}
                                {% if actor.activity %}<small>· {{ actor.activity }}</small>{% endif %}
                                {% if actor.injector %}
                                    <span class="injector-badge"{% if actor.injector != 'injector' %} title="Injector: {{ actor.injector_name }}"{% endif %}>
                                        {% if actor.injector == 'injector' %}injector{% else %}{{ actor.injector_name }} ({{ actor.injector }}){% endif %}
                                    </span>
                                {% endif %}
                                {% if actor.receiver %}<small>· receiver</small>{% endif %}
                            </span>
                        {% endfor %}
                    </div>
                    <div class="anim-stages">
                        <span class="stages-count">{{ anim.stages|length }} stage{{ anim.stages|length|pluralize }}</span>
                        {% for s in anim.stages %}
                            <span class="stage-chip"{% if s.climax %} title="climax stage"{% endif %}>
                                {% if s.climax %}<i class="fas fa-star"></i>{% endif %}{{ s.stage }}{% if s.loop %}↻{% endif %}{% if s.cycle_seconds %} {{ s.cycle_seconds }}s{% endif %}
                            </span>
                        {% endfor %}
                    </div>
                    {% if anim.weight or anim.block_requirements or anim.water %}
                        <div class="anim-extras">
                            {% if anim.weight %}<span class="anim-extra">weight {{ anim.weight }}</span>{% endif %}
                            {% if anim.block_requirements %}<span class="anim-extra"><i class="fas fa-cubes"></i> requires block support</span>{% endif %}
                            {% if anim.water %}<span class="anim-extra"><i class="fas fa-water"></i> water</span>{% endif %}
                        </div>
                    {% endif %}
                </div>
            {% endfor %}
        </div>
    </div>
</section>
{% endif %}

{% if models_manifest %}
<section class="tab-panel" id="tab-models">
    <div class="card">
        <h2><i class="fas fa-cube"></i> Models &amp; Textures</h2>
        <div class="model-grid">
            {% for model in models_manifest.models %}
                <div class="model-card">
                    <div class="model-card-head">
                        <strong>{{ model.name }}</strong>
                        <button type="button" class="btn btn-secondary btn-sm model-render-btn"
                                data-member="{{ model.member }}" data-name="{{ model.name }}"
                                data-base-url="{% url 'library:pack_asset' project.slug versions.0.pk 'ASSET' %}"><i class="fas fa-cube"></i> Render</button>
                    </div>
                    <p class="model-meta">{{ model.bones }} bones · {{ model.cubes }} cubes</p>
                    <div class="model-textures">
                        {% for member in model.textures %}
                            <img src="{% url 'library:pack_asset' project.slug versions.0.pk member %}" alt="{{ member }}" loading="lazy" title="{{ member }}">
                        {% empty %}
                            <span class="empty-hint">No textures</span>
                        {% endfor %}
                    </div>
                </div>
            {% endfor %}
        </div>
        {% if models_manifest.textures %}
            <h3 class="models-textures-title">Pack textures</h3>
            <div class="model-textures strip">
                {% for texture in models_manifest.textures %}
                    <img src="{% url 'library:pack_asset' project.slug versions.0.pk texture %}" alt="{{ texture }}" loading="lazy" title="{{ texture }}">
                {% endfor %}
            </div>
        {% endif %}
    </div>
</section>
{% endif %}

{% if logical_manifest %}
<section class="tab-panel" id="tab-logical">
    <div class="card">
        <h2><i class="fas fa-box"></i> What this pack adds</h2>

        {% if logical_manifest.items %}
            <h3>Items ({{ logical_manifest.items|length }})</h3>
            <div class="logical-items">
                {% for item in logical_manifest.items %}
                    <span class="logical-item">
                        {% if item.texture %}
                            <img src="{% url 'library:pack_asset' project.slug versions.0.pk item.texture %}" alt="" loading="lazy">
                        {% endif %}
                        {{ item.name }}
                    </span>
                {% endfor %}
            </div>
        {% endif %}

        {% if logical_manifest.recipes %}
            <h3>Recipes ({{ logical_manifest.recipes|length }})</h3>
            <ul class="logical-list">
                {% for r in logical_manifest.recipes %}
                    <li>
                        {% if r.disabled %}<span class="badge-disabled">disabled</span>{% endif %}
                        <code>{{ r.ingredients|join:' + ' }}</code> → <code>{{ r.result }}</code>
                        {% if r.type %}<small>({{ r.type }})</small>{% endif %}
                    </li>
                {% endfor %}
            </ul>
        {% endif %}

        {% if logical_manifest.custom_recipes %}
            <h3>Custom crafting</h3>
            <ul class="logical-list">
                {% for r in logical_manifest.custom_recipes %}
                    <li>{{ r.name }} → <code>{{ r.reward }}</code></li>
                {% endfor %}
            </ul>
        {% endif %}

        {% if logical_manifest.advancements %}
            <h3>Advancements</h3>
            <ul class="logical-list">
                {% for a in logical_manifest.advancements %}
                    <li>{{ a.name }}{% if a.reward %} → <code>{{ a.reward }}</code>{% endif %}</li>
                {% endfor %}
            </ul>
        {% endif %}

        {% if logical_manifest.functions %}
            <h3>Functions ({{ logical_manifest.functions|length }}{% if logical_manifest.custom_functions %} + {{ logical_manifest.custom_functions }} custom{% endif %})</h3>
            <div class="logical-tags">{% for f in logical_manifest.functions %}<code>{{ f }}</code>{% endfor %}</div>
        {% endif %}

        {% if logical_manifest.liquid_gains %}
            <h3>Liquids</h3>
            <div class="logical-tags">{% for l in logical_manifest.liquid_gains %}<code>{{ l }}</code>{% endfor %}</div>
        {% endif %}

        {% if logical_manifest.entity_profiles %}
            <h3>Entity profiles</h3>
            <div class="logical-tags">{% for e in logical_manifest.entity_profiles %}<code>{{ e }}</code>{% endfor %}</div>
        {% endif %}

        {% if logical_manifest.trinkets %}
            <h3>Trinkets</h3>
            <div class="logical-tags">{% for t in logical_manifest.trinkets %}<code>{{ t }}</code>{% endfor %}</div>
        {% endif %}
    </div>
</section>
{% endif %}

{% if mods_manifest %}
<section class="tab-panel" id="tab-mods">
    <div class="card">
        <h2><i class="fas fa-cubes"></i> Mods</h2>
        {% if mods_manifest.files %}
            <span class="mods-source-badge">{{ mods_manifest.source }}</span>
            <ul class="mods-list">
                {% for mod in mods_manifest.files %}
                    <li><i class="fas fa-cube"></i> {{ mod.name }}</li>
                {% endfor %}
            </ul>
        {% else %}
            <p class="empty-hint">No mods detected in the uploaded pack.</p>
        {% endif %}
    </div>
</section>
{% endif %}

<section class="tab-panel" id="tab-gallery">
    <div class="card">
        <h2><i class="fas fa-images"></i> Gallery</h2>
        <div class="gallery-grid">
            {% for asset in assets %}
                <figure class="gallery-item" data-media-url="{{ asset.file_url }}" data-media-type="{% if asset.is_video %}video{% else %}image{% endif %}" data-caption="{{ asset.caption }}">
                    {% if asset.is_video or asset.is_gif %}
                        <img class="gallery-thumb" src="{% url 'library:asset_thumbnail' project.slug asset.pk %}" alt="{{ asset.caption }}" loading="lazy">
                    {% else %}
                        <img src="{{ asset.file_url }}" alt="{{ asset.caption }}" loading="lazy">
                    {% endif %}
                    <span class="gallery-expand" title="Open fullscreen"><i class="fas fa-expand"></i></span>
                    {% if asset.caption %}<figcaption>{{ asset.caption }}</figcaption>{% endif %}
                    {% if can_edit %}
                        <a href="{% url 'library:asset_delete' project.slug asset.pk %}" class="gallery-delete" title="Delete media"><i class="fas fa-trash"></i></a>
                    {% endif %}
                </figure>
            {% empty %}
                <p class="empty-hint">No media yet.</p>
            {% endfor %}
        </div>
    </div>
</section>

<div class="modal-overlay" id="gallery-modal" hidden>
    <div class="modal-content media-modal-content">
        <button type="button" class="modal-close" data-close-modal aria-label="Close"><i class="fas fa-times"></i></button>
        <div class="modal-media" id="gallery-modal-media"></div>
        <p class="modal-caption" id="gallery-modal-caption"></p>
    </div>
</div>

<div class="modal-overlay" id="model-modal" hidden>
    <div class="modal-content model-modal-content">
        <button type="button" class="modal-close" data-close-modal aria-label="Close"><i class="fas fa-times"></i></button>
        <h3 class="model-modal-title" id="model-modal-title"></h3>
        <div id="model-viewer-container"></div>
        <p class="bio-help"><i class="fas fa-info-circle"></i> Drag to rotate · scroll to zoom</p>
    </div>
</div>
{% endblock %}

{% block extra_js %}
{% if models_manifest %}
<script src="{% static 'vendor/three.min.js' %}"></script>
<script src="{% static 'js/model_viewer.js' %}"></script>
{% endif %}
<script>
(function () {
    const buttons = document.querySelectorAll('.tab-btn');
    buttons.forEach(btn => {
        btn.addEventListener('click', () => {
            buttons.forEach(b => b.classList.remove('active'));
            document.querySelectorAll('.tab-panel').forEach(p => p.classList.remove('active'));
            btn.classList.add('active');
            document.getElementById('tab-' + btn.dataset.tab).classList.add('active');
        });
    });

    // Gallery deletion without a page reload, behind a confirmation dialog.
    document.querySelectorAll('.gallery-delete').forEach(link => {
        link.addEventListener('click', (e) => {
            e.preventDefault();
            if (!confirm('Delete this media? This cannot be undone.')) return;
            const xhr = new XMLHttpRequest();
            xhr.open('POST', link.getAttribute('href'));
            xhr.setRequestHeader('X-CSRFToken', getCookie('csrftoken'));
            xhr.onload = function () {
                if (xhr.status === 200) {
                    const figure = link.closest('figure.gallery-item');
                    if (figure) figure.remove();
                } else {
                    alert('Could not delete media.');
                }
            };
            xhr.onerror = function () {
                alert('Network error while deleting media.');
            };
            xhr.send();
        });
    });

    // Guide document file-switcher (fetches + renders the selected .md).
    const guideContent = document.getElementById('guide-content');
    if (guideContent) {
        const guideBtns = document.querySelectorAll('.guide-switch-btn');
        function loadGuide(url) {
            guideContent.innerHTML = '<p class="empty-hint">Loading…</p>';
            fetch(url, { headers: { 'Accept': 'text/html' } })
                .then(r => { if (!r.ok) throw new Error('http'); return r.text(); })
                .then(html => { guideContent.innerHTML = html; })
                .catch(() => { guideContent.innerHTML = '<p class="empty-hint">Could not load this document.</p>'; });
        }
        guideBtns.forEach(btn => {
            btn.addEventListener('click', () => {
                guideBtns.forEach(b => b.classList.remove('active'));
                btn.classList.add('active');
                loadGuide(btn.dataset.url);
            });
        });
        const first = guideBtns[0];
        if (first) loadGuide(first.dataset.url);
    }

    // Full-screen gallery modal (images/gifs/videos; videos muted).
    const galleryModal = document.getElementById('gallery-modal');
    if (galleryModal) {
        const mediaEl = document.getElementById('gallery-modal-media');
        const captionEl = document.getElementById('gallery-modal-caption');
        document.querySelectorAll('.gallery-item[data-media-url]').forEach(item => {
            item.addEventListener('click', (e) => {
                if (e.target.closest('.gallery-delete')) return;
                const url = item.dataset.mediaUrl;
                const type = item.dataset.mediaType;
                mediaEl.innerHTML = type === 'video'
                    ? '<video controls muted playsinline autoplay src="' + url + '"></video>'
                    : '<img src="' + url + '" alt="">';
                captionEl.textContent = item.dataset.caption || '';
                galleryModal.hidden = false;
            });
        });
    }

    // Close buttons for modals.
    document.querySelectorAll('[data-close-modal]').forEach(btn => {
        btn.addEventListener('click', () => {
            const modal = btn.closest('.modal-overlay');
            if (modal) {
                modal.hidden = true;
                const media = modal.querySelector('.modal-media');
                if (media) media.innerHTML = '';
                if (modal.id === 'model-modal') {
                    const viewer = document.getElementById('model-viewer-container');
                    if (viewer) viewer.innerHTML = '';
                    if (window.PacksModelViewer) window.PacksModelViewer.dispose();
                }
            }
        });
    });
    document.querySelectorAll('.modal-overlay').forEach(modal => {
        modal.addEventListener('click', (e) => {
            if (e.target === modal) {
                modal.hidden = true;
                if (modal.id === 'model-modal' && window.PacksModelViewer) window.PacksModelViewer.dispose();
            }
        });
    });

    // Model renderer (Three.js showcase).
    if (window.PacksModelViewer) {
        document.querySelectorAll('.model-render-btn').forEach(btn => {
            btn.addEventListener('click', () => {
                document.getElementById('model-modal-title').textContent = btn.dataset.name || '';
                const container = document.getElementById('model-viewer-container');
                container.innerHTML = '';
                window.PacksModelViewer.render(
                    btn.dataset.member,
                    container,
                    btn.dataset.baseUrl
                );
                document.getElementById('model-modal').hidden = false;
            });
        });
    }
})();
</script>
{% endblock %}