@php
    // Threshold tone for gauges/bars: >=90 offline, >=75 warning, else online.
    $tone = fn (int $v): string => $v >= 90 ? 'offline' : ($v >= 75 ? 'warning' : 'online');
    $barColor = ['online' => 'bg-online', 'warning' => 'bg-warning', 'offline' => 'bg-offline'];
    $statusLabel = ['online' => 'Online', 'warning' => 'Warnung', 'offline' => 'Offline'][$server->status] ?? ucfirst($server->status);

    $specs = $server->specs ?? [];
    $cores = $specs['cores'] ?? null;
    $ramGb = $specs['ram_gb'] ?? null;
    $diskGb = $specs['disk_gb'] ?? null;
    $ramUsed = $ramGb !== null ? round((float) $ramGb * $server->mem / 100, 1) : null;
    $diskUsed = $diskGb !== null ? (int) round((float) $diskGb * $server->disk / 100) : null;

    $specRows = [
        ['Architektur',     $specs['arch']   ?? '—'],
        ['Kernel',          $specs['kernel'] ?? '—'],
        ['Virtualisierung', $specs['virt']   ?? '—'],
        ['Kerne',           $cores ?? '—'],
        ['RAM',             $ramGb !== null ? $ramGb.' GB' : '—'],
        ['Disk',            $diskGb !== null ? $diskGb.' GB' : '—'],
    ];

    $vitals = [
        ['label' => 'CPU',  'icon' => 'cpu',      'val' => (int) $server->cpu,  'sub' => ($loadAvg > 0 ? 'Last '.number_format($loadAvg, 2).' · ' : '').($cores ? $cores.' Kerne' : '—')],
        ['label' => 'RAM',  'icon' => 'activity', 'val' => (int) $server->mem,  'sub' => $ramUsed !== null ? $ramUsed.' / '.$ramGb.' GB' : '—'],
        ['label' => 'Disk', 'icon' => 'server',   'val' => (int) $server->disk, 'sub' => $diskUsed !== null ? $diskUsed.' / '.$diskGb.' GB' : '—'],
    ];
@endphp

<div class="space-y-5" wire:poll.10s="pollMetrics" wire:init="load">
    <a href="{{ route('servers.index') }}"
       class="inline-flex min-h-11 items-center gap-1.5 font-mono text-[11px] uppercase tracking-[0.2em] text-ink-3 hover:text-ink-2">
        <x-icon name="switcher" class="h-3.5 w-3.5 rotate-90" />
        Zurück zur Flotte
    </a>

    {{-- Hero header --}}
    <div class="flex flex-wrap items-center justify-between gap-4 rounded-xl border border-line bg-surface p-5 shadow-panel">
        <div class="flex min-w-0 items-center gap-4">
            <span @class([
                'grid h-12 w-12 shrink-0 place-items-center rounded-lg border',
                'border-online/30 bg-online/10 text-online' => $server->status === 'online',
                'border-warning/30 bg-warning/10 text-warning' => $server->status === 'warning',
                'border-offline/30 bg-offline/10 text-offline' => $server->status === 'offline',
            ])>
                <x-icon name="server" class="h-6 w-6" />
            </span>
            <div class="min-w-0">
                <div class="flex flex-wrap items-center gap-2.5">
                    <h2 class="truncate font-display text-2xl font-semibold text-ink">{{ $server->name }}</h2>
                    <x-status-pill :status="$server->status">{{ $statusLabel }}</x-status-pill>
                </div>
                <p class="mt-1.5 flex flex-wrap items-center gap-x-2.5 gap-y-1 font-mono text-[11px] text-ink-3">
                    <span class="text-ink-2">{{ $server->hostname }}</span>
                    <span class="text-ink-4">·</span>
                    <span>{{ $server->ip }}</span>
                    <span class="text-ink-4">·</span>
                    <span>{{ $server->os }}</span>
                    <span class="text-ink-4">·</span>
                    <span>Uptime {{ $server->uptime ?: '—' }}</span>
                    <span class="text-ink-4">·</span>
                    <span>zuletzt {{ optional($server->last_seen_at)->diffForHumans() ?? '—' }}</span>
                </p>
            </div>
        </div>
        <div class="flex shrink-0 items-center gap-2">
            <x-btn variant="secondary" wire:click="openFiles">
                <x-icon name="folder" class="h-3.5 w-3.5" /> Dateien
            </x-btn>
        </div>
    </div>

    @if ($ready && ! $connected)
        <div class="flex items-center gap-2.5 rounded-lg border border-warning/25 bg-warning/10 px-4 py-3">
            <x-icon name="alert" class="h-4 w-4 shrink-0 text-warning" />
            <p class="text-sm text-ink-2">Keine Live-Verbindung — gezeigt werden die zuletzt gespeicherten Werte. Zugang/Erreichbarkeit prüfen.</p>
        </div>
    @endif

    {{-- SSH-Zugang (Credential) --}}
    @php
        $cred = $server->credential;
        $credStatus = $cred ? ($cred->disabled ? 'offline' : 'online') : null;
        $credStatusLabel = $cred ? ($cred->disabled ? 'Gesperrt' : 'Aktiv') : null;
        $credAuthLabel = $cred ? ($cred->auth_type === 'key' ? 'SSH-Key' : 'Passwort') : null;
    @endphp
    <x-panel title="SSH-Zugang" subtitle="Hinterlegte Anmeldung für die Live-Steuerung" :padded="false">
        @if ($cred)
            <div class="flex flex-wrap items-center gap-x-4 gap-y-3 px-4 py-4 sm:px-5">
                <span @class([
                    'grid h-10 w-10 shrink-0 place-items-center rounded-md border',
                    'border-online/30 bg-online/10 text-online' => ! $cred->disabled,
                    'border-offline/30 bg-offline/10 text-offline' => $cred->disabled,
                ])>
                    <x-icon name="shield" class="h-5 w-5" />
                </span>
                <div class="min-w-0 flex-1">
                    <div class="flex flex-wrap items-center gap-2">
                        <p class="truncate font-display text-sm font-semibold text-ink">{{ $cred->name ?: '—' }}</p>
                        <x-status-pill :status="$credStatus" class="shrink-0">{{ $credStatusLabel }}</x-status-pill>
                        <x-badge tone="neutral" class="shrink-0">{{ $credAuthLabel }}</x-badge>
                    </div>
                    <p class="mt-1.5 truncate font-mono text-[11px] text-ink-3">
                        <span class="text-ink-2">{{ $cred->username }}</span>@<span>{{ $server->ip }}</span>
                    </p>
                </div>
                <div class="flex shrink-0 flex-wrap items-center gap-2">
                    <x-btn variant="secondary" wire:click="$dispatch('openModal', { component: 'modals.edit-credential', arguments: { serverId: {{ $server->id }} } })">
                        <x-icon name="settings" class="h-3.5 w-3.5" /> Bearbeiten
                    </x-btn>
                    <x-btn variant="secondary" wire:click="toggleCredential" wire:target="toggleCredential" wire:loading.attr="disabled">
                        <x-icon name="power" class="h-3.5 w-3.5" wire:loading.remove wire:target="toggleCredential" />
                        <svg wire:loading wire:target="toggleCredential" class="h-3.5 w-3.5 animate-spin" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" aria-hidden="true"><path d="M21 12a9 9 0 1 1-6.219-8.56" stroke-linecap="round" /></svg>
                        {{ $cred->disabled ? 'Entsperren' : 'Sperren' }}
                    </x-btn>
                    <x-btn variant="ghost-danger" wire:click="confirmDeleteCredential">
                        <x-icon name="trash" class="h-3.5 w-3.5" /> Löschen
                    </x-btn>
                </div>
            </div>
        @else
            <div class="flex flex-wrap items-center gap-x-4 gap-y-3 px-4 py-4 sm:px-5">
                <span class="grid h-10 w-10 shrink-0 place-items-center rounded-md border border-line bg-inset text-ink-3">
                    <x-icon name="shield" class="h-5 w-5" />
                </span>
                <div class="min-w-0 flex-1">
                    <p class="truncate font-display text-sm font-semibold text-ink">Kein Zugang hinterlegt</p>
                    <p class="mt-1.5 font-mono text-[11px] text-ink-3">Ohne SSH-Zugang ist keine Live-Steuerung möglich.</p>
                </div>
                <x-btn variant="accent" class="shrink-0" wire:click="$dispatch('openModal', { component: 'modals.edit-credential', arguments: { serverId: {{ $server->id }} } })">
                    <x-icon name="plus" class="h-3.5 w-3.5" /> Zugang hinterlegen
                </x-btn>
            </div>
        @endif
    </x-panel>

    {{-- Vitals: live gauges, full width, dense --}}
    <div class="grid grid-cols-1 gap-3 sm:grid-cols-3">
        @foreach ($vitals as $v)
            <div class="flex items-center gap-4 rounded-xl border border-line bg-surface p-4 shadow-panel">
                <x-ring :value="$v['val']" size="lg" :tone="$tone($v['val'])" />
                <div class="min-w-0">
                    <p class="flex items-center gap-1.5 font-mono text-xs uppercase tracking-[0.2em] text-accent-text">
                        <x-icon :name="$v['icon']" class="h-3.5 w-3.5" />{{ $v['label'] }}
                    </p>
                    <p class="mt-2 font-mono text-[11px] leading-relaxed text-ink-4">{{ $v['sub'] }}</p>
                </div>
            </div>
        @endforeach
    </div>

    @if ($ready)
        {{-- Spezifikationen + Sicherheit --}}
        <div class="grid grid-cols-1 gap-3 lg:grid-cols-2">
            <x-panel title="Spezifikationen" subtitle="Hardware-Profil" :padded="false">
                <dl class="divide-y divide-line">
                    @foreach ($specRows as [$key, $val])
                        <div class="flex items-center justify-between gap-3 px-4 py-2.5 sm:px-5">
                            <dt class="text-sm text-ink-2">{{ $key }}</dt>
                            <dd class="truncate font-mono text-sm text-ink">{{ $val }}</dd>
                        </div>
                    @endforeach
                </dl>
            </x-panel>

            <x-panel title="Sicherheit" subtitle="Hardening-Checkliste" :padded="false">
                <div class="divide-y divide-line">
                    @php
                        // Map each checklist label to its hardening-action key.
                        $hardenKey = function (string $label): ?string {
                            return match (true) {
                                str_contains($label, 'Root-Login') => 'ssh_root',
                                str_contains($label, 'Passwort-Login') => 'ssh_password',
                                str_contains($label, 'fail2ban') => 'fail2ban',
                                str_contains($label, 'Firewall') => 'firewall',
                                str_contains($label, 'Updates') => 'unattended',
                                default => null,
                            };
                        };
                    @endphp
                    @foreach ($hardening as $check)
                        @php $action = $hardenKey($check['label']); @endphp
                        <div @class([
                            'flex items-center gap-3 border-l-2 px-4 py-3 sm:px-5',
                            'border-online' => $check['status'] === 'online',
                            'border-warning' => $check['status'] === 'warning',
                            'border-offline' => $check['status'] === 'offline',
                        ])>
                            <div class="min-w-0 flex-1">
                                <p class="truncate text-sm text-ink">{{ $check['label'] }}</p>
                                <p class="truncate font-mono text-[11px] text-ink-3">{{ $check['detail'] }}</p>
                            </div>
                            @if ($check['status'] !== 'online' && $action)
                                <x-btn variant="accent" size="sm" class="shrink-0"
                                       wire:click="$dispatch('openModal', { component: 'modals.hardening-action', arguments: { serverId: {{ $server->id }}, action: '{{ $action }}' } })">
                                    Anwenden
                                </x-btn>
                            @else
                                <x-status-pill :status="$check['status']" class="shrink-0">
                                    {{ $check['status'] === 'online' ? 'OK' : 'Fehlt' }}
                                </x-status-pill>
                            @endif
                        </div>
                    @endforeach
                </div>
            </x-panel>
        </div>

        {{-- Volumes + Netzwerk-Interfaces --}}
        <div class="grid grid-cols-1 gap-3 lg:grid-cols-2">
            <x-panel title="Volumes" :subtitle="count($volumes) . ' Mountpoints'" :padded="false">
                <div class="divide-y divide-line">
                    @forelse ($volumes as $vol)
                        @php $vt = $tone((int) $vol['used']); @endphp
                        <div class="px-4 py-3 sm:px-5">
                            <div class="flex items-center justify-between gap-3">
                                <p class="truncate font-mono text-sm text-ink">{{ $vol['mount'] }}</p>
                                <p class="shrink-0 font-mono text-[11px] text-ink-3">
                                    <span class="text-ink-2">{{ $vol['fs'] }}</span> · {{ $vol['size'] }}
                                </p>
                            </div>
                            <div class="mt-2 flex items-center gap-3">
                                <div class="h-1.5 flex-1 overflow-hidden rounded-full bg-inset">
                                    <div class="h-full rounded-full {{ $barColor[$vt] }}" style="width: {{ $vol['used'] }}%"></div>
                                </div>
                                <span class="tabular w-10 shrink-0 text-right font-mono text-[11px] text-ink-2">{{ $vol['used'] }}%</span>
                            </div>
                        </div>
                    @empty
                        <p class="px-5 py-8 text-center font-mono text-[11px] text-ink-3">Keine Volumes gelesen.</p>
                    @endforelse
                </div>
            </x-panel>

            <x-panel title="Netzwerk-Interfaces" :subtitle="count($interfaces) . ' Schnittstellen'" :padded="false">
                <div class="overflow-x-auto">
                    <table class="w-full min-w-[34rem] text-left">
                        <thead>
                            <tr class="border-b border-line font-mono text-[10px] uppercase tracking-wider text-ink-4">
                                <th class="px-4 py-2 font-medium sm:px-5">Name</th>
                                <th class="px-4 py-2 font-medium">IP</th>
                                <th class="px-4 py-2 font-medium">MAC</th>
                                <th class="px-4 py-2 text-right font-medium">RX</th>
                                <th class="px-4 py-2 pr-4 text-right font-medium sm:pr-5">TX</th>
                            </tr>
                        </thead>
                        <tbody class="divide-y divide-line">
                            @foreach ($interfaces as $if)
                                <tr class="font-mono text-[11px] text-ink-2">
                                    <td class="px-4 py-2.5 text-ink sm:px-5">{{ $if['name'] }}</td>
                                    <td class="px-4 py-2.5">{{ $if['ip'] }}</td>
                                    <td class="px-4 py-2.5">{{ $if['mac'] }}</td>
                                    <td class="tabular px-4 py-2.5 text-right">{{ $if['rx'] }}</td>
                                    <td class="tabular px-4 py-2.5 pr-4 text-right sm:pr-5">{{ $if['tx'] }}</td>
                                </tr>
                            @endforeach
                        </tbody>
                    </table>
                </div>
            </x-panel>
        </div>

        {{-- SSH-Schlüssel --}}
        <x-panel title="SSH-Schlüssel" :subtitle="count($sshKeys) . ' autorisiert'" :padded="false">
            <x-slot:actions>
                <x-btn variant="accent" wire:click="$dispatch('openModal', { component: 'modals.add-ssh-key', arguments: { serverId: {{ $server->id }} } })">
                    <x-icon name="plus" class="h-3.5 w-3.5" /> Schlüssel hinzufügen
                </x-btn>
            </x-slot:actions>
            <div class="divide-y divide-line">
                @forelse ($sshKeys as $key)
                    <div class="flex items-center gap-3 px-4 py-3 sm:px-5">
                        <span class="grid h-7 w-7 shrink-0 place-items-center rounded-sm bg-raised text-ink-3">
                            <x-icon name="shield" class="h-3.5 w-3.5" />
                        </span>
                        <div class="min-w-0 flex-1">
                            <div class="flex items-center gap-2">
                                <p class="truncate font-mono text-sm text-ink">{{ $key['comment'] }}</p>
                                <x-badge tone="neutral" class="shrink-0">{{ $key['type'] }}</x-badge>
                            </div>
                            <p class="truncate font-mono text-[11px] text-ink-3">{{ $key['fingerprint'] }}</p>
                        </div>
                        <x-btn variant="ghost-danger" icon wire:click="confirmKeyRemoval({{ $loop->index }})" title="Schlüssel entfernen">
                            <x-icon name="trash" class="h-3.5 w-3.5" />
                        </x-btn>
                    </div>
                @empty
                    <p class="px-5 py-8 text-center font-mono text-[11px] text-ink-3">Keine autorisierten Schlüssel.</p>
                @endforelse
            </div>
        </x-panel>
    @else
        {{-- skeletons for the SSH-loaded sections --}}
        <div class="grid grid-cols-1 gap-3 lg:grid-cols-2">
            @foreach (['Spezifikationen', 'Sicherheit'] as $t)
                <x-panel :title="$t" subtitle="lädt…" :padded="false">
                    <div class="space-y-3 p-4 sm:p-5">
                        <x-skeleton class="h-3 w-full" /><x-skeleton class="h-3 w-2/3" /><x-skeleton class="h-3 w-5/6" /><x-skeleton class="h-3 w-1/2" />
                    </div>
                </x-panel>
            @endforeach
        </div>
        <div class="grid grid-cols-1 gap-3 lg:grid-cols-2">
            @foreach (['Volumes', 'Netzwerk-Interfaces'] as $t)
                <x-panel :title="$t" subtitle="lädt…" :padded="false">
                    <div class="space-y-3 p-4 sm:p-5">
                        <x-skeleton class="h-3 w-full" /><x-skeleton class="h-3 w-3/4" /><x-skeleton class="h-3 w-5/6" />
                    </div>
                </x-panel>
            @endforeach
        </div>
        <x-panel title="SSH-Schlüssel" subtitle="lädt…" :padded="false">
            <div class="space-y-3 p-4 sm:p-5"><x-skeleton class="h-3 w-2/3" /><x-skeleton class="h-3 w-1/2" /></div>
        </x-panel>
    @endif
</div>