@extends('layouts.dashboard')
@section('title', __('System & Updates'))
@section('page_title', __('System & Updates'))

@section('content')
    @include('partials.how-it-works', ['key' => 'admin.system'])

    @php($fmt = fn ($b) => $b >= 1073741824 ? round($b / 1073741824, 1).' GB' : round($b / 1048576, 1).' MB')
    <div class="d-flex justify-content-end mb-2"><a href="{{ route('admin.system.health') }}" class="btn btn-outline-primary btn-sm"><i class="bi bi-heart-pulse me-1"></i>{{ __('Run health check') }}</a></div>
    <div class="row g-3 mb-4">
        <div class="col-sm-6 col-xl-3">@include('partials.dashboard.stat-card', ['label' => __('Version'), 'value' => 'v'.$info['version'], 'icon' => 'bi-box-seam', 'color' => 'primary', 'hint' => __('Released :d', ['d' => $info['release_date']])])</div>
        <div class="col-sm-6 col-xl-3">@include('partials.dashboard.stat-card', ['label' => __('Pending migrations'), 'value' => $info['pending_migrations'], 'icon' => 'bi-database-gear', 'color' => $info['pending_migrations'] ? 'warning' : 'success'])</div>
        <div class="col-sm-6 col-xl-3">@include('partials.dashboard.stat-card', ['label' => __('Queue'), 'value' => $info['jobs_pending'], 'icon' => 'bi-stack', 'color' => $info['jobs_failed'] ? 'danger' : 'info', 'hint' => $info['jobs_failed'].' '.__('failed')])</div>
        <div class="col-sm-6 col-xl-3">@include('partials.dashboard.stat-card', ['label' => __('Scheduler'), 'value' => $info['scheduler_last'] ? __('Running') : __('Not running'), 'icon' => 'bi-clock-history', 'color' => $info['scheduler_last'] ? 'success' : 'danger', 'hint' => $info['scheduler_last'] ? __('last tick :t', ['t' => \Carbon\Carbon::parse($info['scheduler_last'])->diffForHumans()]) : __('add the cron entry')])</div>
    </div>

    <div class="row g-3">
        <div class="col-xl-5">
            <div class="card mb-3">
                <div class="card-header"><i class="bi bi-cpu text-primary me-2"></i>{{ __('Environment') }}</div>
                <table class="table table-sm mb-0"><tbody>
                    @foreach([
                        __('PHP') => $info['php'], __('Laravel') => $info['laravel'], __('Environment') => $info['env'].($info['debug'] ? ' · DEBUG ON' : ''), __('URL') => $info['url'], __('Timezone') => $info['timezone'],
                        __('Database') => $info['db'].' · '.$info['db_version'], __('Cache / Queue / Session') => $info['cache'].' / '.$info['queue'].' / '.$info['session'], __('Mail driver') => $info['mail'],
                        __('Storage link') => $info['storage_link'] ? '✓' : '✗ '.__('missing'), __('Config / route cache') => ($info['config_cached'] ? '✓' : '—').' / '.($info['routes_cached'] ? '✓' : '—'),
                        __('Uploads') => $fmt($info['storage_used']), __('Disk free') => $fmt($info['disk_free']).' / '.$fmt($info['disk_total']),
                        __('PHP limits') => 'memory '.$info['memory_limit'].' · upload '.$info['upload_max'].' · post '.$info['post_max'],
                        __('Extensions') => implode(', ', array_keys($info['extensions'])) ?: '—', __('Installed') => $info['installed_at'] ? \Carbon\Carbon::parse($info['installed_at'])->format('M d, Y') : '—',
                    ] as $k => $v)
                        <tr><th class="text-muted fw-semibold small" style="width:42%">{{ $k }}</th><td class="small">{{ $v }}</td></tr>
                    @endforeach
                </tbody></table>
            </div>
            @if($info['debug'] && $info['env'] === 'production')<div class="alert alert-danger small"><i class="bi bi-exclamation-triangle me-1"></i>{{ __('APP_DEBUG is on in production. Set APP_DEBUG=false in .env.') }}</div>@endif
        </div>

        <div class="col-xl-7">
            <div class="card mb-3">
                <div class="card-header d-flex justify-content-between align-items-center"><span><i class="bi bi-arrow-up-circle text-primary me-2"></i>{{ __('Updates') }}</span>
                    <form method="POST" action="{{ route('admin.system.action') }}">@csrf<input type="hidden" name="action" value="check-update"><button class="btn btn-sm btn-light"><i class="bi bi-search me-1"></i>{{ __('Check now') }}</button></form></div>
                <div class="card-body">
                    @if($update)
                        <div class="d-flex align-items-center gap-3 mb-2">
                            <span class="lf-ico-tile {{ $update['available'] ? 'lf-soft-warning' : 'lf-soft-success' }}"><i class="bi {{ $update['available'] ? 'bi-arrow-up-circle' : 'bi-check2-circle' }}"></i></span>
                            <div><div class="fw-bold">{{ $update['available'] ? __('Version :v available', ['v' => $update['latest']]) : __('You are up to date (v:v)', ['v' => $update['current']]) }}</div><div class="small text-muted">{{ __('Checked') }} {{ \Carbon\Carbon::parse($update['checked_at'])->diffForHumans() }}</div></div>
                            @if(!empty($update['url']))<a href="{{ $update['url'] }}" target="_blank" rel="noopener" class="btn btn-sm btn-primary ms-auto">{{ __('Download') }}</a>@endif
                        </div>
                        @if(!empty($update['notes']))<p class="small text-muted mb-0">{{ $update['notes'] }}</p>@endif
                    @else
                        <p class="small text-muted mb-0">{{ __('Click “Check now” to look for a newer release.') }}</p>
                    @endif
                    <hr>
                    <div class="d-flex flex-wrap mb-3" style="gap:8px">
                        <button type="button" id="lfAutoChoice" class="btn btn-primary btn-sm" onclick="lfUpdateMode('auto')"><i class="bi bi-cloud-arrow-up me-1"></i>{{ __('Automatic (upload ZIP)') }} <span class="badge bg-light text-dark ms-1">{{ __('recommended') }}</span></button>
                        <button type="button" id="lfManualChoice" class="btn btn-outline-secondary btn-sm" onclick="lfUpdateMode('manual')"><i class="bi bi-folder2-open me-1"></i>{{ __('Manual (FTP/cPanel)') }}</button>
                    </div>

                    <div id="lfAutoPanel">
                        <p class="small text-muted">{{ __('Upload the official release ZIP for this version. It may contain the project files directly or one WebSourceCode/ folder. Your .env, storage/ uploads and vendor/ are never touched.') }}</p>
                        <form method="POST" action="{{ route('admin.system.update') }}" enctype="multipart/form-data" data-confirm="{{ __('Take a backup first. Apply this update now?') }}">
                            @csrf
                            <div class="input-group input-group-sm mb-2">
                                <input type="file" name="update_zip" accept=".zip" class="form-control" required>
                                <button class="btn btn-primary"><i class="bi bi-upload me-1"></i>{{ __('Install update') }}</button>
                            </div>
                            @error('update_zip')<div class="text-danger small">{{ $message }}</div>@enderror
                        </form>
                        <p class="small text-muted mb-0">{{ __('If the release adds new PHP dependencies, run') }} <code>composer install --no-dev -o</code> {{ __('over SSH first, or use the manual method instead.') }}</p>
                    </div>

                    <div id="lfManualPanel" class="d-none">
                        <p class="small text-muted mb-2"><b>{{ __('How to update:') }}</b> {{ __('take a backup, upload the new release files over the old ones (keep .env and storage/), then click “Apply update” below — it migrates, refreshes reference data and clears caches in one go and is safe to re-run. Full steps in') }} <code>docs/UPDATING.md</code>.</p>
                        @if(auth()->user()->hasAnyRole(['owner', 'super-admin']))
                            <p class="small text-muted mb-0">{{ __('Super-admin shortcut: after copying the files in, hit this URL directly — no need to open this page or use SSH:') }}<br>
                                <a href="{{ route('admin.system.quick-sync') }}" class="text-break">{{ route('admin.system.quick-sync') }}</a>
                                {{ __('It migrates and re-syncs the super-admin/owner permission set, without a maintenance window.') }}
                            </p>
                        @endif
                    </div>
                </div>
            </div>

            <div class="card mb-3">
                <div class="card-header"><i class="bi bi-tools text-primary me-2"></i>{{ __('Maintenance actions') }}</div>
                <div class="card-body">
                    <div class="row g-2">
                        @foreach([
                            ['upgrade', 'bi-box-arrow-in-up', __('Apply update'), __('After uploading a new release: backup, migrate, reseed, clear caches')],
                            ['migrate', 'bi-database-gear', __('Run migrations'), __('Apply pending schema changes')],
                            ['clear-cache', 'bi-eraser', __('Clear caches'), __('Config, routes, views, app cache')],
                            ['optimize', 'bi-lightning-charge', __('Optimize'), __('Cache config/routes/views for production')],
                            ['storage-link', 'bi-link-45deg', __('Storage link'), __('Recreate public/storage symlink')],
                            ['backup', 'bi-hdd-stack', __('Backup database'), __('Snapshot before updating')],
                            [$info['maintenance'] ? 'up' : 'down', $info['maintenance'] ? 'bi-play-circle' : 'bi-cone-striped', $info['maintenance'] ? __('Disable maintenance mode') : __('Enable maintenance mode'), $info['maintenance'] ? __('Site is currently offline') : __('Show a maintenance page to visitors')],
                            ['queue-retry', 'bi-arrow-repeat', __('Retry failed jobs'), $info['jobs_failed'].' '.__('failed jobs')],
                            ['queue-flush', 'bi-trash3', __('Delete failed jobs'), __('Clear the failed_jobs table')],
                        ] as [$act, $icon, $label, $desc])
                            <div class="col-md-6">
                                <form method="POST" action="{{ route('admin.system.action') }}" data-confirm="{{ $label }}?">@csrf<input type="hidden" name="action" value="{{ $act }}">
                                    <button class="btn btn-light w-100 text-start d-flex align-items-center gap-3 py-2"><span class="lf-ico-tile lf-soft-primary"><i class="bi {{ $icon }}"></i></span><span><span class="d-block fw-semibold small">{{ $label }}</span><span class="text-muted" style="font-size:.74rem">{{ $desc }}</span></span></button>
                                </form>
                            </div>
                        @endforeach
                    </div>
                </div>
            </div>

            <div class="card">
                <div class="card-header"><i class="bi bi-magic text-primary me-2"></i>{{ __('Demo content') }} <span class="text-muted small fw-normal ms-2">{{ $demoCounts['courses'] }} {{ __('courses') }} · {{ $demoCounts['users'] }} {{ __('users') }} · {{ $demoCounts['testimonials'] }} {{ __('testimonials') }}</span></div>
                <div class="card-body d-flex flex-wrap gap-2">
                    <form method="POST" action="{{ route('admin.system.action') }}" data-confirm="{{ __('Import demo testimonials, FAQs, bundles, membership plans, certificate template and images? Existing records are kept.') }}">@csrf<input type="hidden" name="action" value="demo-import"><button class="btn btn-primary"><i class="bi bi-download me-1"></i>{{ __('Import demo content') }}</button></form>
                    <form method="POST" action="{{ route('admin.system.action') }}" data-confirm="{{ __('Seed the FULL demo dataset (courses, users, orders)? Safe to run once on a fresh install.') }}">@csrf<input type="hidden" name="action" value="demo-full"><button class="btn btn-light"><i class="bi bi-database-add me-1"></i>{{ __('Seed full demo dataset') }}</button></form>

                    {{-- Niche presets: the demo looks like the buyer's own business. --}}
                    <form method="POST" action="{{ route('admin.system.action') }}" class="w-100 mt-2" data-confirm="{{ __('Import this demo dataset? It can be removed again cleanly.') }}">
                        @csrf
                        <input type="hidden" name="action" value="demo-preset">
                        <label class="form-label small mb-1">{{ __('Niche demo dataset') }}</label>
                        <div class="input-group">
                            <select name="preset" class="form-select">
                                @foreach(config('demo_presets', []) as $key => $preset)
                                    <option value="{{ $key }}">{{ $preset['label'] }} — {{ $preset['description'] }}</option>
                                @endforeach
                            </select>
                            <button class="btn btn-outline-primary"><i class="bi bi-magic me-1"></i>{{ __('Import') }}</button>
                        </div>
                        <div class="form-text">{{ __('Sets the site name and tagline to match, and fills the catalogue, blog and testimonials.') }}</div>
                    </form>

                    <form method="POST" action="{{ route('admin.system.action') }}" class="mt-2" data-confirm="{{ __('Delete every row a demo import created? Your own content is untouched.') }}">
                        @csrf<input type="hidden" name="action" value="demo-remove">
                        <button class="btn btn-outline-danger btn-sm"><i class="bi bi-trash me-1"></i>{{ __('Remove demo content') }}</button>
                    </form>
                    <div class="form-text w-100">{{ __('Modules enabled:') }} {{ collect($modules)->where('enabled', true)->pluck('name')->join(', ') }}</div>
                </div>
            </div>
        </div>
    </div>

    @push('scripts')
    <script>
    function lfUpdateMode(mode) {
        const auto = mode === 'auto';
        document.getElementById('lfAutoPanel').classList.toggle('d-none', !auto);
        document.getElementById('lfManualPanel').classList.toggle('d-none', auto);
        document.getElementById('lfAutoChoice').className = auto ? 'btn btn-primary btn-sm' : 'btn btn-outline-secondary btn-sm';
        document.getElementById('lfManualChoice').className = auto ? 'btn btn-outline-secondary btn-sm' : 'btn btn-primary btn-sm';
    }
    </script>
    @endpush
@endsection