@extends('layouts.app')


@section('content')

<div class="page-header mb-4">
    <div class="row align-items-center">
        <div class="col">
            <h4 class="mb-1">Connected Nodes</h4>
            <p class="text-muted mb-0">All registered customer PBX nodes and their update status</p>
        </div>
        <div class="col-auto">
            @if($latestRelease)
            <span class="badge bg-primary bg-opacity-10 text-primary border border-primary border-opacity-25 py-2 px-3">
                <i class="bi bi-tag me-1"></i>Latest: v{{ $latestRelease->version }}
            </span>
            @endif
        </div>
    </div>
</div>

<div class="row g-3 mb-4">
    <div class="col-sm-4">
        <div class="stat-card">
            <div class="stat-icon success"><i class="bi bi-wifi"></i></div>
            <div>
                <div class="stat-value">{{ $nodes->filter(fn($n) => $n->isOnline())->count() }}</div>
                <div class="stat-label">Online</div>
            </div>
        </div>
    </div>
    <div class="col-sm-4">
        <div class="stat-card">
            <div class="stat-icon primary"><i class="bi bi-hdd-network"></i></div>
            <div>
                <div class="stat-value">{{ $nodes->total() }}</div>
                <div class="stat-label">Total Nodes</div>
            </div>
        </div>
    </div>
    <div class="col-sm-4">
        <div class="stat-card">
            <div class="stat-icon warning"><i class="bi bi-arrow-up-circle"></i></div>
            <div>
                <div class="stat-value">{{ $nodes->filter(fn($n) => $n->needsUpdate())->count() }}</div>
                <div class="stat-label">Need Update</div>
            </div>
        </div>
    </div>
</div>

<div class="card">
    <div class="card-header"><h5 class="mb-0">PBX Nodes</h5></div>
    <div class="card-body p-0">
        @if($nodes->isEmpty())
            <div class="empty-state">
                <i class="bi bi-hdd-network"></i>
                <h5>No nodes registered</h5>
                <p>PBX nodes appear here after their first registration via API</p>
            </div>
        @else
        <div class="table-responsive">
            <table class="table table-hover align-middle mb-0">
                <thead class="table-light">
                    <tr>
                        <th class="ps-4">Node Name</th>
                        <th>IP Address</th>
                        <th>Version</th>
                        <th>Channel</th>
                        <th>Status</th>
                        <th>Last Seen</th>
                        <th>CPU / RAM</th>
                        <th>Update</th>
                    </tr>
                </thead>
                <tbody>
                    @foreach($nodes as $node)
                    @php $sys = $node->system_info ?? []; @endphp
                    <tr>
                        <td class="ps-4">
                            <div class="fw-semibold">{{ $node->node_name }}</div>
                            <div class="text-muted small font-monospace">{{ $node->license_key ?? '' }}</div>
                        </td>
                        <td class="font-monospace small text-muted">{{ $node->ip_address ?? '—' }}</td>
                        <td><code>{{ $node->version ? 'v'.$node->version : 'Unknown' }}</code></td>
                        <td>
                            <span class="badge bg-secondary bg-opacity-10 text-secondary border">
                                {{ ucfirst($node->channel) }}
                            </span>
                        </td>
                        <td><span class="status-badge status-{{ $node->status }}">{{ ucfirst($node->status) }}</span></td>
                        <td class="text-muted small">
                            {{ $node->last_seen ? $node->last_seen->diffForHumans() : 'Never' }}
                        </td>
                        <td>
                            @if(!empty($sys['cpu']))
                            <div class="d-flex align-items-center gap-2">
                                <div class="progress" style="width:50px;height:5px;border-radius:3px;">
                                    <div class="progress-bar {{ ($sys['cpu'] ?? 0) > 80 ? 'bg-danger' : 'bg-success' }}"
                                         style="width:{{ min($sys['cpu'] ?? 0, 100) }}%"></div>
                                </div>
                                <span class="text-muted" style="font-size:.75rem;">{{ $sys['cpu'] }}%</span>
                            </div>
                            @else
                            <span class="text-muted small">—</span>
                            @endif
                        </td>
                        <td>
                            @if($node->needsUpdate())
                            <span class="badge bg-warning bg-opacity-15 text-warning border border-warning border-opacity-50"
                                  style="font-size:.72rem;">
                                <i class="bi bi-exclamation-triangle-fill me-1"></i>Update Available
                            </span>
                            @else
                            <span class="badge bg-success bg-opacity-10 text-success border border-success border-opacity-25"
                                  style="font-size:.72rem;">
                                <i class="bi bi-check-circle-fill me-1"></i>Up to Date
                            </span>
                            @endif
                        </td>
                    </tr>
                    @endforeach
                </tbody>
            </table>
        </div>
        @if($nodes->hasPages())
        <div class="card-footer">{{ $nodes->links() }}</div>
        @endif
        @endif
    </div>
</div>

@endsection