@php
    $total  = count($servers);
    $online = collect($servers)->where('status', 'online')->count();
    $avgCpu = $total ? (int) round(collect($servers)->avg('cpu')) : 0;
    $avgMem = $total ? (int) round(collect($servers)->avg('mem')) : 0;

    $svcLabel = ['online' => 'aktiv', 'warning' => 'degradiert', 'offline' => 'gestoppt'];

    $web = collect($servers)->firstWhere('name', 'web-01') ?? ($servers[0] ?? ['cpu' => 0, 'mem' => 0]);
    $disk = 71; // mock until the SSH layer reports real disk usage
    $ringTone = fn (int $v): string => $v >= 90 ? 'offline' : ($v >= 75 ? 'warning' : 'online');
@endphp

<div class="space-y-4">
    {{-- Header --}}
    <div class="flex flex-wrap items-end justify-between gap-3">
        <div>
            <p class="font-mono text-[11px] uppercase tracking-[0.2em] text-accent-text">Flotte</p>
            <h2 class="mt-0.5 font-display text-xl font-semibold text-ink sm:text-2xl">Übersicht</h2>
        </div>
        <x-status-pill status="online">{{ $online }} / {{ $total }} online</x-status-pill>
    </div>

    {{-- KPI grid: 1 → 2 → 4 --}}
    <div class="grid grid-cols-1 gap-3 sm:grid-cols-2 xl:grid-cols-4">
        <x-kpi label="Server" :value="$total" icon="server" />
        <x-kpi label="Online" :value="$online . ' / ' . $total" tone="online" icon="activity" />
        <x-kpi label="Ø CPU-Last" :value="$avgCpu" unit="%" icon="cpu" :pct="$avgCpu" />
        <x-kpi label="Ø RAM" :value="$avgMem" unit="%" :pct="$avgMem" />
    </div>

    {{-- Live chart (2/3) + resource rings (1/3) --}}
    <div class="grid grid-cols-1 gap-3 lg:grid-cols-3">
        <x-panel title="Live-Auslastung" :subtitle="($active?->name ?? '—') . ' · CPU %'" class="lg:col-span-2">
            <x-slot:actions>
                <x-badge tone="cyan">Reverb</x-badge>
            </x-slot:actions>

            <div class="text-accent" x-data="metricsChart(@js($metrics), 40)">
                <svg viewBox="0 0 300 80" class="h-24 w-full" preserveAspectRatio="none" aria-hidden="true">
                    <defs>
                        <linearGradient id="spark" x1="0" x2="0" y1="0" y2="1">
                            <stop offset="0%" stop-color="currentColor" stop-opacity="0.25" />
                            <stop offset="100%" stop-color="currentColor" stop-opacity="0" />
                        </linearGradient>
                    </defs>
                    <polyline :points="areaPoints" fill="url(#spark)" stroke="none" />
                    <polyline :points="linePoints" fill="none" stroke="currentColor" stroke-width="1.5" />
                </svg>
                <p class="mt-2 flex items-center gap-2 font-mono text-[11px] text-ink-4">
                    <span class="inline-flex items-center gap-1.5">
                        <span class="h-1.5 w-1.5 rounded-full" :class="connected ? 'bg-online' : 'bg-ink-4'"></span>
                        <span x-text="connected ? 'Live über Reverb' : 'Verbindung…'"></span>
                    </span>
                    <span>· CPU <span class="tabular text-ink-2" x-text="last + '%'"></span></span>
                </p>
            </div>
        </x-panel>

        <x-panel title="Ressourcen" :subtitle="$active?->name ?? '—'">
            <div class="grid grid-cols-3 gap-2">
                <x-ring :value="$active?->cpu ?? 0" label="CPU" :tone="$ringTone($active?->cpu ?? 0)" />
                <x-ring :value="$active?->mem ?? 0" label="RAM" :tone="$ringTone($active?->mem ?? 0)" />
                <x-ring :value="$active?->disk ?? 0" label="Disk" :tone="$ringTone($active?->disk ?? 0)" />
            </div>
        </x-panel>
    </div>

    {{-- Server list + systemd services --}}
    <div class="grid grid-cols-1 gap-3 lg:grid-cols-2">
        <x-panel title="Server" :subtitle="$total . ' im Cluster'" :padded="false">
            <x-slot:actions>
                <button type="button" class="inline-flex min-h-11 items-center gap-1.5 rounded-md border border-accent/25 bg-accent/10 px-3 py-1.5 text-xs text-accent-text hover:bg-accent/15">
                    <x-icon name="plus" class="h-3.5 w-3.5" /> Hinzufügen
                </button>
            </x-slot:actions>
            <div class="space-y-2 p-4 sm:p-5">
                @foreach ($servers as $s)
                    <x-server-item :name="$s['name']" :ip="$s['ip']" :os="$s['os']"
                                   :status="$s['status']" :cpu="$s['cpu']" :mem="$s['mem']" />
                @endforeach
            </div>
        </x-panel>

        <x-panel title="systemd-Dienste" :subtitle="$active?->name" :padded="false">
            <div class="divide-y divide-line">
                @foreach ($services as $svc)
                    <div class="flex items-center gap-3 px-4 py-2.5 sm:px-5">
                        <x-status-dot :status="$svc['status']" :ping="$svc['status'] === 'online'" />
                        <div class="min-w-0 flex-1">
                            <p class="truncate font-mono text-sm text-ink">{{ $svc['name'] }}</p>
                            <p class="truncate text-[11px] text-ink-3">{{ $svc['desc'] }}</p>
                        </div>
                        <x-status-pill :status="$svc['status']" class="shrink-0">{{ $svcLabel[$svc['status']] }}</x-status-pill>
                    </div>
                @endforeach
            </div>
        </x-panel>
    </div>

    {{-- Audit --}}
    <x-panel title="Audit-Log" subtitle="letzte Ereignisse" :padded="false">
        <div class="divide-y divide-line">
            @foreach ($events as $e)
                <div class="flex items-start gap-3 px-4 py-2.5 sm:px-5">
                    <span class="mt-0.5 grid h-7 w-7 shrink-0 place-items-center rounded-sm bg-raised text-ink-3">
                        <x-icon name="audit" class="h-3.5 w-3.5" />
                    </span>
                    <div class="min-w-0 flex-1">
                        <p class="text-sm text-ink"><span class="text-ink-2">{{ $e['actor'] }}</span> · {{ $e['action'] }}</p>
                        <p class="truncate font-mono text-[11px] text-ink-3">{{ $e['target'] }}</p>
                    </div>
                    <span class="shrink-0 font-mono text-[11px] text-ink-4">{{ $e['when'] }}</span>
                </div>
            @endforeach
        </div>
    </x-panel>
</div>