@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;

    // static sparkline path from $metrics (live chart island replaces this in v1)
    $n = count($metrics); $w = 300; $h = 80; $pad = 6; $coords = [];
    foreach ($metrics as $i => $v) {
        $x = $n > 1 ? round($i / ($n - 1) * $w, 1) : 0;
        $y = round($h - $pad - ($v / 100) * ($h - 2 * $pad), 1);
        $coords[] = "$x,$y";
    }
    $line = implode(' ', $coords);
    $area = "0,$h " . $line . " $w,$h";

    $svcLabel = ['online' => 'aktiv', 'warning' => 'degradiert', 'offline' => 'gestoppt'];
@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="web-01 · CPU %" class="lg:col-span-2">
            <x-slot:actions>
                <x-badge tone="cyan">Reverb</x-badge>
            </x-slot:actions>

            <div id="metrics-chart" class="text-accent">
                <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="{{ $area }}" fill="url(#spark)" stroke="none" />
                    <polyline points="{{ $line }}" fill="none" stroke="currentColor" stroke-width="1.5" />
                </svg>
            </div>
            <p class="mt-2 font-mono text-[11px] text-ink-4">Mock-Serie — Live-Daten folgen über Reverb.</p>
        </x-panel>

        <x-panel title="Ressourcen" subtitle="web-01">
            <div class="grid grid-cols-3 gap-2">
                <x-ring :value="34" label="CPU" tone="accent" />
                <x-ring :value="61" label="RAM" tone="cyan" />
                <x-ring :value="48" label="Disk" tone="warning" />
            </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="$total . ' im Cluster'" :padded="false">
            <x-slot:actions>
                <button type="button" class="inline-flex min-h-9 items-center gap-1.5 rounded-md border border-accent/25 bg-accent/10 px-2.5 py-1 text-xs text-accent-text hover:bg-accent/15">
                    <x-icon name="plus" class="h-3.5 w-3.5" /> Hinzufügen
                </button>
            </x-slot:actions>
            <div class="space-y-2 p-4 sm:p-5">
                @foreach ($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="web-01" :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>