@extends('layouts.app')

@section('content')
@php
    $fmt = fn ($bytes) => $bytes >= 1073741824
        ? number_format($bytes / 1073741824, 2).' GB'
        : ($bytes >= 1048576 ? number_format($bytes / 1048576, 2).' MB' : number_format($bytes / 1024, 1).' KB');
@endphp
<div class="admin-panel">
    <header class="admin-header">
        <h1>Storage Usage</h1>
        <a href="{{ route('gc.admin.dashboard') }}">← Admin home</a>
    </header>

    <div class="admin-stats">
        <div class="stat-card">
            <span class="stat-value">{{ $fmt($totalBytes) }}</span>
            <span class="stat-label">Total media storage</span>
        </div>
        @if($diskTotal)
        <div class="stat-card">
            <span class="stat-value">{{ $fmt($diskFree ?? 0) }}</span>
            <span class="stat-label">Disk free</span>
        </div>
        @endif
    </div>

    <section class="admin-section">
        <h2>By category</h2>
        <table class="admin-table">
            <thead><tr><th>Category</th><th>Size</th></tr></thead>
            <tbody>
                @foreach($byCategory as $cat => $bytes)
                <tr>
                    <td>{{ ucfirst($cat) }}</td>
                    <td>{{ $fmt($bytes) }}</td>
                </tr>
                @endforeach
            </tbody>
        </table>
    </section>

    <section class="admin-section">
        <h2>Top users by media uploaded</h2>
        <table class="admin-table">
            <thead><tr><th>User</th><th>Uploaded</th></tr></thead>
            <tbody>
                @forelse($topUsers as $row)
                <tr>
                    <td>{{ $row['user']?->name ?? 'Unknown' }}</td>
                    <td>{{ $fmt($row['bytes']) }}</td>
                </tr>
                @empty
                <tr><td colspan="2">No media data yet.</td></tr>
                @endforelse
            </tbody>
        </table>
    </section>
</div>
@endsection