{% extends "base.html" %}

{% block title %}Admin · News — {{ instance_name or "AI Data Analyst" }}{% endblock %}

{% block head_extra %}
<style>
body.news-admin .container { max-width: 1280px; padding: 0 32px 48px; }
body.news-admin h1 { font-size: 22px; margin: 24px 0 10px; }
body.news-admin h2 { font-size: 16px; margin: 18px 0 8px; color: #374151; }

body.news-admin .panel {
    background: white;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    padding: 22px 26px;
    margin-bottom: 18px;
}
body.news-admin .meta {
    font-size: 12px;
    color: #6B7280;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
}
body.news-admin .empty { color: #6B7280; font-style: italic; }

body.news-admin .editor-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
body.news-admin .editor-col label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
body.news-admin textarea {
    width: 100%;
    min-height: 220px;
    font-family: ui-monospace, "SF Mono", Consolas, monospace;
    font-size: 13px;
    padding: 10px 12px;
    border: 1px solid #D1D5DB;
    border-radius: 6px;
    resize: vertical;
    box-sizing: border-box;
}
body.news-admin textarea#content { min-height: 360px; }
body.news-admin .preview-frame {
    width: 100%;
    min-height: 360px;
    border: 1px solid #E5E7EB;
    border-radius: 6px;
    background: white;
}

body.news-admin .row-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 14px;
}
body.news-admin button.primary {
    background: #0073D1;
    color: white;
    border: 1px solid #0073D1;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
}
body.news-admin button.primary:hover { background: #0056A3; }
body.news-admin button.primary:disabled { opacity: 0.5; cursor: not-allowed; }
body.news-admin button.ghost {
    background: white;
    color: #374151;
    border: 1px solid #D1D5DB;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
}
body.news-admin button.ghost:hover { border-color: #0073D1; color: #0073D1; }
body.news-admin .status { font-size: 13px; color: #6B7280; margin-left: 6px; }

body.news-admin table.versions {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
body.news-admin table.versions th,
body.news-admin table.versions td {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 1px solid #F3F4F6;
}
body.news-admin .badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}
body.news-admin .badge-draft     { background: #FEF3C7; color: #92400E; }
body.news-admin .badge-published { background: #D1FAE5; color: #047857; }

body.news-admin details.format-help {
    margin-top: 14px;
    background: #F9FAFB;
    border: 1px solid #E5E7EB;
    border-radius: 6px;
    padding: 10px 14px;
}
body.news-admin details.format-help summary {
    cursor: pointer;
    font-weight: 600;
    color: #374151;
    font-size: 13px;
}
body.news-admin details.format-help pre {
    background: #0F172A;
    color: #FBBF24;
    padding: 10px 12px;
    border-radius: 6px;
    overflow-x: auto;
    font-size: 12px;
    margin: 8px 0;
}
</style>
<script>
document.addEventListener('DOMContentLoaded', function () {
    document.body.classList.add('news-admin');

    var introEl = document.getElementById('intro');
    var contentEl = document.getElementById('content');
    var previewFrame = document.getElementById('preview');
    var saveBtn = document.getElementById('save-btn');
    var publishBtn = document.getElementById('publish-btn');
    var saveStatus = document.getElementById('save-status');

    function refreshPreview() {
        fetch('/api/admin/news/preview', {
            method: 'POST',
            credentials: 'same-origin',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify({ intro: introEl.value, content: contentEl.value }),
        }).then(function (r) { return r.json(); }).then(function (data) {
            // Use srcdoc + sandbox="" so the preview iframe can't access the
            // parent origin even if the sanitizer ever lets something
            // through. Empty sandbox = strictest possible posture.
            var html = '<style>body{font-family:Inter,system-ui,sans-serif;font-size:14px;color:#111827;margin:0;padding:18px;}</style>'
                + '<div>' + (data.intro || '') + '</div>'
                + '<hr style="border:0;border-top:1px solid #E5E7EB;margin:14px 0">'
                + '<div>' + (data.content || '') + '</div>';
            previewFrame.setAttribute('srcdoc', html);
        }).catch(function () { /* ignore preview failures silently */ });
    }
    introEl.addEventListener('blur', refreshPreview);
    contentEl.addEventListener('blur', refreshPreview);
    refreshPreview();

    saveBtn.addEventListener('click', function () {
        saveBtn.disabled = true;
        saveStatus.textContent = 'Saving…';
        fetch('/api/admin/news/draft', {
            method: 'PUT',
            credentials: 'same-origin',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify({ intro: introEl.value, content: contentEl.value }),
        }).then(function (r) {
            if (!r.ok) throw new Error(r.status);
            return r.json();
        }).then(function () {
            saveStatus.textContent = 'Saved.';
            window.location.reload();
        }).catch(function (e) {
            saveStatus.textContent = 'Save failed (' + e.message + ').';
            saveBtn.disabled = false;
        });
    });

    publishBtn && publishBtn.addEventListener('click', function () {
        if (!confirm('Publish the active draft? This makes it the version everyone sees on /home and /news.')) return;
        publishBtn.disabled = true;
        saveStatus.textContent = 'Publishing…';
        fetch('/api/admin/news/publish', { method: 'POST', credentials: 'same-origin' })
            .then(function (r) {
                if (!r.ok) throw new Error(r.status);
                return r.json();
            }).then(function () { window.location.reload(); })
            .catch(function (e) {
                saveStatus.textContent = 'Publish failed (' + e.message + ').';
                publishBtn.disabled = false;
            });
    });

    document.querySelectorAll('button.unpublish-btn').forEach(function (btn) {
        btn.addEventListener('click', function () {
            var v = btn.getAttribute('data-version');
            if (!confirm('Unpublish version ' + v + '? /home and /news will fall back to the next-highest published version.')) return;
            btn.disabled = true;
            fetch('/api/admin/news/unpublish/' + v, { method: 'POST', credentials: 'same-origin' })
                .then(function (r) {
                    if (!r.ok) throw new Error(r.status);
                    window.location.reload();
                }).catch(function (e) {
                    alert('Unpublish failed: ' + e.message);
                    btn.disabled = false;
                });
        });
    });
});
</script>
{% endblock %}

{% block content %}
<h1>News editor</h1>

<div class="panel">
    <h2>Currently published</h2>
    {% if news_current %}
    <div class="meta">
        Version {{ news_current.version }} ·
        published {{ news_current.published_at.strftime('%Y-%m-%d %H:%M UTC') if news_current.published_at else '' }}
        {% if news_current.published_by %} by {{ news_current.published_by }}{% endif %}
    </div>
    <p style="margin:0">View live at <a href="/news">/news</a>.</p>
    {% else %}
    <p class="empty">No version published yet — write a draft below and click Publish.</p>
    {% endif %}
</div>

<div class="panel">
    <h2>{% if news_draft %}Draft (v{{ news_draft.version }}){% else %}New draft{% endif %}</h2>
    <div class="editor-row">
        <div class="editor-col">
            <label for="intro">Intro / perex (shown on /home)</label>
            <textarea id="intro" placeholder="<p>Short HTML perex shown at the bottom of /home. Keep it tight.</p>">{{ news_draft.intro if news_draft else '' }}</textarea>

            <label for="content" style="margin-top:14px">Full content (shown on /news)</label>
            <textarea id="content" placeholder="<h1>Full body</h1>&#10;<p>Use the documented classes — see Format help below.</p>">{{ news_draft.content if news_draft else '' }}</textarea>

            <div class="row-actions">
                <button type="button" class="primary" id="save-btn">Save draft</button>
                <button type="button" class="primary" id="publish-btn"
                        {% if not news_draft %}disabled title="Save a draft first"{% endif %}>
                    Publish this draft
                </button>
                <span class="status" id="save-status"></span>
            </div>

            <details class="format-help">
                <summary>Format help — what HTML and classes are allowed</summary>
                <p>Tags allowed: <code>p, h1–h6, ul, ol, li, strong, em, code, pre, blockquote, a, img, span, div, section, table, thead, tbody, tr, th, td, details, summary, figure, figcaption, iframe</code>. Anything else is stripped.</p>
                <p>Use these documented classes for consistent styling:</p>
                <pre>&lt;div class=&quot;callout callout-warn&quot;&gt;&lt;strong&gt;Heads up:&lt;/strong&gt; rolling restart 14:00 UTC.&lt;/div&gt;

&lt;div class=&quot;video-embed&quot;&gt;
  &lt;iframe src=&quot;https://www.youtube.com/embed/abc123&quot;&gt;&lt;/iframe&gt;
&lt;/div&gt;

&lt;section class=&quot;news-section&quot;&gt;
  &lt;h2&gt;Big news&lt;/h2&gt;
  &lt;div class=&quot;news-grid-2&quot;&gt;
    &lt;div&gt;Column 1&lt;/div&gt;
    &lt;div&gt;Column 2&lt;/div&gt;
  &lt;/div&gt;
&lt;/section&gt;

&lt;a class=&quot;news-cta&quot; href=&quot;/setup-advanced&quot;&gt;Open advanced setup&lt;/a&gt;</pre>
                <p>Iframe <code>src</code> must be on YouTube, Vimeo, or Loom — anything else has the iframe stripped on save.</p>
            </details>
        </div>

        <div class="editor-col">
            <label>Preview (sanitized)</label>
            <iframe id="preview" class="preview-frame" sandbox=""></iframe>
        </div>
    </div>
</div>

<div class="panel">
    <h2>Versions</h2>
    {% if news_versions %}
    <table class="versions">
        <thead>
            <tr>
                <th>v</th><th>Status</th><th>Created</th><th>By</th>
                <th>Published</th><th>Intro preview</th><th></th>
            </tr>
        </thead>
        <tbody>
            {% for v in news_versions %}
            <tr>
                <td><strong>{{ v.version }}</strong></td>
                <td><span class="badge badge-{{ v.status }}">{{ v.status }}</span></td>
                <td>{{ v.created_at.strftime('%Y-%m-%d %H:%M') if v.created_at else '' }}</td>
                <td>{{ v.created_by or '' }}</td>
                <td>{{ v.published_at.strftime('%Y-%m-%d %H:%M') if v.published_at else '' }}</td>
                <td>{{ v.intro_preview }}</td>
                <td>
                    {% if v.published %}
                    <button type="button" class="ghost unpublish-btn" data-version="{{ v.version }}">Unpublish</button>
                    {% endif %}
                </td>
            </tr>
            {% endfor %}
        </tbody>
    </table>
    {% else %}
    <p class="empty">No versions yet.</p>
    {% endif %}
</div>
{% endblock %}