{% extends "base.html" %}

{% block title %}{{ post.title }} - {{ site_name }}{% endblock %}

{% block meta %}
{{ seo_meta | safe }}
{% if breadcrumb_json_ld %}{{ breadcrumb_json_ld | safe }}{% endif %}
{% endblock %}

{% block styles %}
<style>
/* Breadcrumb styles */
.breadcrumb {
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}
.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 0.5rem;
}
.breadcrumb-item {
    display: flex;
    align-items: center;
}
.breadcrumb-item:not(:last-child)::after {
    content: "›";
    margin-left: 0.5rem;
    color: var(--color-text-muted, #64748b);
}
.breadcrumb-item a {
    color: var(--color-primary, #2563eb);
    text-decoration: none;
}
.breadcrumb-item a:hover {
    text-decoration: underline;
}
.breadcrumb-item.active span {
    color: var(--color-text-muted, #64748b);
}

/* Comment styles */
.comments-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border, #e2e8f0);
}
.comments-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}
.comment-form {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--color-surface, #f8fafc);
    border-radius: 0.5rem;
}
.comment-form h3 {
    margin: 0 0 1rem;
    font-size: 1.125rem;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.form-group.full-width {
    grid-column: 1 / -1;
}
.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
}
.form-group input,
.form-group textarea {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border, #e2e8f0);
    border-radius: 0.375rem;
    font-size: 1rem;
}
.form-group textarea {
    min-height: 100px;
    resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary, #2563eb);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.comment-submit {
    padding: 0.75rem 1.5rem;
    background: var(--color-primary, #2563eb);
    color: white;
    border: none;
    border-radius: 0.375rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
}
.comment-submit:hover {
    background: var(--color-primary-dark, #1d4ed8);
}
.comment-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Comments list */
.comments-list {
    margin-top: 2rem;
}
.comment {
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border, #e2e8f0);
}
.comment:last-child {
    border-bottom: none;
}
.comment-header {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 0.5rem;
}
.comment-author {
    font-weight: 600;
    color: var(--color-text, #1e293b);
}
.comment-date {
    font-size: 0.875rem;
    color: var(--color-text-muted, #64748b);
}
.comment-content {
    line-height: 1.6;
    color: var(--color-text, #1e293b);
}
.comment-actions {
    margin-top: 0.5rem;
}
.reply-btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    background: none;
    border: 1px solid var(--color-border, #e2e8f0);
    border-radius: 0.25rem;
    color: var(--color-text-muted, #64748b);
    cursor: pointer;
}
.reply-btn:hover {
    background: var(--color-surface, #f8fafc);
}

/* Nested comments */
.comment-level-1 { margin-left: 2rem; }
.comment-level-2 { margin-left: 4rem; }
.comment-level-3 { margin-left: 6rem; }
.comment-replies {
    margin-top: 0.5rem;
}

/* Response messages */
.comment-response {
    padding: 1rem;
    border-radius: 0.375rem;
    margin-bottom: 1rem;
}
.comment-success {
    background: #d1fae5;
    color: #065f46;
}
.comment-error {
    background: #fee2e2;
    color: #991b1b;
}
.no-comments {
    color: var(--color-text-muted, #64748b);
    font-style: italic;
}

/* Reply form (hidden by default) */
.reply-form {
    display: none;
    margin-top: 1rem;
    padding: 1rem;
    background: var(--color-surface, #f8fafc);
    border-radius: 0.375rem;
}
.reply-form.active {
    display: block;
}

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    .comment-level-1,
    .comment-level-2,
    .comment-level-3 {
        margin-left: 1rem;
    }
}
</style>
{% endblock %}

{% block content %}
{% if breadcrumb_items %}
<nav class="breadcrumb" aria-label="パンくずリスト">
    <ol class="breadcrumb-list">
        {% for item in breadcrumb_items %}
        <li class="breadcrumb-item{% if loop.last %} active{% endif %}">
            {% if loop.last %}
            <span>{{ item.name }}</span>
            {% else %}
            <a href="{{ item.url }}">{{ item.name }}</a>
            {% endif %}
        </li>
        {% endfor %}
    </ol>
</nav>
{% endif %}

<article class="post">
    <header class="post-header">
        <h1>{{ post.title }}</h1>
        <div class="post-meta">
            <time datetime="{{ post.created_at }}">{{ post.created_at[:10] }}</time>
        </div>
    </header>

    <div class="post-content">
        {{ post.body | render_blocks | safe }}
    </div>
</article>

<!-- Comments Section -->
<section class="comments-section">
    <h2 class="comments-title">Comments</h2>

    <!-- Comment Form -->
    <div class="comment-form">
        <h3>Leave a Comment</h3>
        <form id="comment-form" hx-post="/api/comments/form" hx-target="#comment-response" hx-swap="innerHTML">
            <input type="hidden" name="post_id" value="{{ post.id }}">
            <input type="hidden" name="parent_id" id="parent_id" value="">
            <!-- Honeypot field (hidden from users) -->
            <div style="position: absolute; left: -9999px;">
                <input type="text" name="website" tabindex="-1" autocomplete="off">
            </div>

            <div class="form-row">
                <div class="form-group">
                    <label for="author_name">Name *</label>
                    <input type="text" id="author_name" name="author_name" required maxlength="100">
                </div>
                <div class="form-group">
                    <label for="author_email">Email *</label>
                    <input type="email" id="author_email" name="author_email" required maxlength="255">
                </div>
            </div>
            <div class="form-group full-width">
                <label for="content">Comment *</label>
                <textarea id="content" name="content" required maxlength="2000" placeholder="Write your comment..."></textarea>
            </div>
            <div id="comment-response"></div>
            <button type="submit" class="comment-submit">Submit Comment</button>
        </form>
    </div>

    <!-- Comments List -->
    <div class="comments-list" id="comments-list"
         hx-get="/api/comments/{{ post.id }}/html"
         hx-trigger="load"
         hx-swap="innerHTML">
        <p class="no-comments">Loading comments...</p>
    </div>
</section>

{% endblock %}

{% block scripts %}
<script src="https://unpkg.com/htmx.org@1.9.10"></script>
<script>
document.addEventListener('DOMContentLoaded', function() {
    // Handle reply buttons
    document.addEventListener('click', function(e) {
        if (e.target.classList.contains('reply-btn')) {
            const parentId = e.target.dataset.parentId;
            const parentIdInput = document.getElementById('parent_id');
            const form = document.getElementById('comment-form');

            // Set parent ID and scroll to form
            parentIdInput.value = parentId;
            form.scrollIntoView({ behavior: 'smooth' });

            // Update form title to indicate reply
            const formTitle = form.querySelector('h3');
            formTitle.textContent = 'Reply to Comment';

            // Add cancel reply button if not exists
            if (!document.getElementById('cancel-reply')) {
                const cancelBtn = document.createElement('button');
                cancelBtn.type = 'button';
                cancelBtn.id = 'cancel-reply';
                cancelBtn.textContent = 'Cancel Reply';
                cancelBtn.style.marginLeft = '1rem';
                cancelBtn.onclick = function() {
                    parentIdInput.value = '';
                    formTitle.textContent = 'Leave a Comment';
                    this.remove();
                };
                form.querySelector('.comment-submit').after(cancelBtn);
            }
        }
    });

    // Clear form after successful submission
    document.body.addEventListener('htmx:afterSwap', function(e) {
        if (e.detail.target.id === 'comment-response') {
            if (e.detail.target.querySelector('.comment-success')) {
                document.getElementById('comment-form').reset();
                document.getElementById('parent_id').value = '';
                const cancelBtn = document.getElementById('cancel-reply');
                if (cancelBtn) cancelBtn.remove();
                const formTitle = document.querySelector('.comment-form h3');
                formTitle.textContent = 'Leave a Comment';

                // Reload comments
                htmx.trigger('#comments-list', 'load');
            }
        }
    });
});
</script>
{% endblock %}