{% extends "base.html" %}
{% block title %}Alerts — Steward{% endblock %}
{% from "_macros.html" import page_header, status_badge, empty_state %}
{% block content %}
{% set can_edit = session.user_role in ('operator', 'admin') %}
{% call page_header("Alerts", "What is breaching now, in a sentence each, then every rule.") %}
    <a class="btn btn-ghost" href="/alerts/history">History</a>
    <a class="btn btn-ghost" href="/alerts/maintenance">Maintenance</a>
    {% if can_edit %}<a class="btn" href="/alerts/rules/new">New rule</a>{% endif %}
{% endcall %}

{% if active %}
<h2 class="section-title" style="margin-bottom:1rem;">Active</h2>
<div class="card-flush" style="margin-bottom:2rem;">
    <table class="table">
        <thead>
            <tr>
                <th>State</th>
                <th>What is wrong</th>
                <th>Rule</th>
                <th></th>
            </tr>
        </thead>
        <tbody>
            {% for row in active %}
            <tr>
                <td>
                    {{ status_badge(row.label, title=("No sample since " ~ (row.state.last_sample_at.strftime('%Y-%m-%d %H:%M UTC') if row.state.last_sample_at else 'the rule started watching')) if row.label == 'no_data' else none) }}
                    {% if row.state.no_data_since and row.label != 'no_data' %}
                    {{ status_badge('no_data', title="Silent since " ~ row.state.no_data_since.strftime('%Y-%m-%d %H:%M UTC')) }}
                    {% endif %}
                </td>
                <td>
                    {{- row.says.lead -}}
                    {%- if row.url %}<a href="{{ row.url }}">{{ row.says.resource }}</a>{% else %}<strong>{{ row.says.resource }}</strong>{% endif -%}
                    {{- row.says.tail -}}
                </td>
                <td style="color:var(--text-muted);"><a href="/alerts/history?rule={{ row.rule.id }}">{{ row.rule.name }}</a></td>
                <td class="td-actions">
                    {% if can_edit and row.state.state.value == 'firing' %}
                    <form method="post" action="/alerts/{{ row.rule.id }}/acknowledge" style="display:inline;">{{ csrf_field() }}
                        <button type="submit" class="btn btn-sm btn-warn">Acknowledge</button>
                    </form>
                    {% endif %}
                </td>
            </tr>
            {% endfor %}
        </tbody>
    </table>
</div>
{% else %}
<div class="card" style="margin-bottom:2rem;">{{ empty_state("No active alerts. Every rule is quiet.") }}</div>
{% endif %}

<h2 class="section-title" style="margin-bottom:1rem;">Rules</h2>
{% if rules %}
<div class="card-flush">
    <table class="table">
        <thead>
            <tr>
                <th>Name</th>
                <th>Condition</th>
                <th style="text-align:center;" title="Checks in a row to fire / to clear">Fire / clear</th>
                <th></th>
            </tr>
        </thead>
        <tbody>
            {% for rule in rules %}
            <tr {% if not rule.enabled %}style="opacity:0.55;"{% endif %}>
                <td>
                  {{ rule.name }}
                  {% if not rule.enabled %}
                  <span style="font-size:0.72rem;color:var(--text-dim);margin-left:0.35rem;">disabled</span>
                  {% endif %}
                </td>
                <td style="color:var(--text-muted);font-size:0.85rem;">
                  <span style="color:var(--text-dim);">{{ rule.source_module }}/</span>{{ rule.resource_name }}
                  <span style="font-family:ui-monospace,monospace;font-size:0.8rem;">
                    :{{ rule.metric_name }} {{ rule.operator.value }} {{ rule.threshold }}
                  </span>
                </td>
                <td style="color:var(--text-muted);text-align:center;">{{ rule.consecutive_failures_required }} / {{ rule.consecutive_ok_required }}</td>
                <td class="td-actions">
                    <a href="/alerts/history?rule={{ rule.id }}" class="btn btn-sm btn-ghost">History</a>
                    {% if can_edit %}
                    <a href="/alerts/rules/{{ rule.id }}/edit" class="btn btn-sm btn-ghost">Edit</a>
                    <form method="post" action="/alerts/rules/{{ rule.id }}/toggle" style="display:inline;">{{ csrf_field() }}
                        <button type="submit" class="btn btn-sm btn-ghost">
                          {% if rule.enabled %}Disable{% else %}Enable{% endif %}
                        </button>
                    </form>
                    {% endif %}
                    {% if session.user_role == 'admin' %}
                    <form method="post" action="/alerts/rules/{{ rule.id }}/delete" style="display:inline;">{{ csrf_field() }}
                        <button type="submit" class="btn btn-sm btn-danger"
                            data-confirm="Delete rule {{ rule.name }}?">Delete</button>
                    </form>
                    {% endif %}
                </td>
            </tr>
            {% endfor %}
        </tbody>
    </table>
</div>
{% else %}
<div class="card">{{ empty_state("No alert rules yet.", "New rule" if can_edit else none, "/alerts/rules/new" if can_edit else none) }}</div>
{% endif %}
{% endblock %}