{% extends "base.html" %}
{% block title %}Changes{% endblock %}
{% block content %}
<div class="page-head">
  <div>
    <h1>Review and apply</h1>
    <p class="muted">What will change in <code>/etc/haproxy/haproxy.cfg</code>. Applying validates the config, keeps a backup and reloads HAProxy without dropping existing connections.</p>
  </div>
</div>

{% if has_live and not managed %}
<div class="banner banner-warn"><pre>The current haproxy.cfg wasn't written by HAPMan. Applying replaces it; the old file is kept as /etc/haproxy/haproxy.cfg.hapman-prev.</pre></div>
{% endif %}

<section class="card">
  <h2>Validation</h2>
  <div class="banner banner-{{ 'ok' if check.ok else 'error' }}"><pre>{% if check.ok %}Valid. HAProxy accepted the config.{% if check.output != 'Configuration file is valid' %}
{{ check.output }}{% endif %}{% else %}{{ check.output }}{% endif %}</pre></div>
</section>

<section class="card">
  <h2>Differences from the live config</h2>
  {% if diff %}
  <pre class="diff">{% for line in diff.splitlines() %}<span class="{{ 'add' if line.startswith('+') and not line.startswith('+++') else ('del' if line.startswith('-') and not line.startswith('---') else ('hunk' if line.startswith('@@') else '')) }}">{{ line }}</span>{% endfor %}</pre>
  {% else %}
  <p class="muted">No differences. The live config already matches.</p>
  {% endif %}
</section>

{% if can_apply and check.ok %}
<form class="card form" method="post" action="/apply">
  <input type="hidden" name="csrf" value="{{ user.csrf }}">
  <div class="field">
    <label for="note">Change note</label>
    <input id="note" name="note" maxlength="200" placeholder="e.g. Added lab Exchange">
  </div>
  <div class="form-actions">
    <button class="btn btn-lg" type="submit" {{ 'disabled' if not diff }}>Apply to HAProxy</button>
  </div>
</form>
{% endif %}

<details class="card">
  <summary>Full generated config</summary>
  <pre class="config">{{ config }}</pre>
</details>
{% endblock %}