{# host_agent widget — fleet glance: per-host row with a sparkline beside each
   metric (cpu/mem/disk/load), mirroring the host-page AGENT panel. #}
{% from "_macros.html" import metric_style %}
{% if rows %}
{% macro metric_cell(label, value, fmt, svg, style="", title="") %}
<div style="min-width:74px;flex-shrink:0;" title="{{ title }}">
  <div style="font-size:0.66rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:0.03em;">{{ label }}</div>
  <div style="font-weight:600;font-size:0.8rem;font-variant-numeric:tabular-nums;{{ style }}">
    {% if value is not none %}{{ fmt|format(value) }}{% else %}—{% endif %}
  </div>
  <div style="line-height:0;height:16px;">{{ svg | safe }}</div>
</div>
{% endmacro %}
<div style="display:grid;gap:0.1rem;">
  {% for r in rows %}
  {% set stale = r.stale %}
  <div style="display:flex;align-items:center;gap:0.75rem;font-size:0.82rem;padding:0.45rem 0;border-bottom:1px solid var(--border);">
    <span class="dot {% if stale %}dot-dim{% elif (r.cpu_pct or 0) >= 90 or (r.mem_used_pct or 0) >= 90 or (r.disk_worst or 0) >= 90 %}dot-warn{% else %}dot-up{% endif %}"
          title="{% if stale %}stale / no recent data{% else %}warns at CPU/memory ≥90% or any disk mount ≥90% (the 'disk /' figure shows root only){% endif %}"></span>
    {% set name_style = "flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500;" %}
    {% if session.user_id %}
    <a href="/hosts/{{ r.host.id }}" title="{{ r.host.name }}" style="{{ name_style }}">{{ r.host.name }}</a>
    {% else %}
    <span title="{{ r.host.name }}" style="{{ name_style }}">{{ r.host.name }}</span>
    {% endif %}
    <div style="display:flex;gap:1.1rem;flex-shrink:0;align-items:flex-start;">
      {{ metric_cell("cpu", r.cpu_pct, "%.0f%%", r.sparks.cpu, metric_style(r.cpu_pct), "Average CPU utilization") }}
      {{ metric_cell("mem", r.mem_used_pct, "%.0f%%", r.sparks.mem, metric_style(r.mem_used_pct), "Memory in use") }}
      {{ metric_cell("disk /", r.disk_root, "%.0f%%", r.sparks.disk, metric_style(r.disk_root), "Root filesystem (/) usage") }}
      {{ metric_cell("load", r.load_1m, "%.2f", r.sparks.load, "", "Load average (1m)") }}
    </div>
    <span style="min-width:58px;text-align:right;font-size:0.72rem;color:var(--text-dim);flex-shrink:0;">
      {{ r.reg.last_seen_at.strftime("%H:%M:%S") if r.reg.last_seen_at else "never" }}
    </span>
  </div>
  {% endfor %}
</div>
{% else %}
<p class="empty" style="padding:0.5rem 0;font-size:0.85rem;">No hosts with agent data yet.</p>
{% endif %}