<?php

namespace App\Filament\Resources;

use App\Filament\Resources\PolicyResource\Pages;
use App\Filament\Resources\PolicyResource\RelationManagers\VersionsRelationManager;
use App\Jobs\BulkPolicyDeleteJob;
use App\Jobs\BulkPolicyExportJob;
use App\Jobs\BulkPolicySyncJob;
use App\Jobs\BulkPolicyUnignoreJob;
use App\Models\Policy;
use App\Models\Tenant;
use App\Services\BulkOperationService;
use App\Services\Intune\PolicyNormalizer;
use BackedEnum;
use Filament\Actions;
use Filament\Actions\ActionGroup;
use Filament\Actions\BulkAction;
use Filament\Actions\BulkActionGroup;
use Filament\Forms;
use Filament\Infolists\Components\TextEntry;
use Filament\Infolists\Components\ViewEntry;
use Filament\Notifications\Notification;
use Filament\Resources\Resource;
use Filament\Schemas\Components\Section;
use Filament\Schemas\Components\Tabs;
use Filament\Schemas\Components\Tabs\Tab;
use Filament\Schemas\Schema;
use Filament\Tables;
use Filament\Tables\Contracts\HasTable;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Collection;
use UnitEnum;

class PolicyResource extends Resource
{
    protected static ?string $model = Policy::class;

    protected static string|BackedEnum|null $navigationIcon = 'heroicon-o-shield-check';

    protected static string|UnitEnum|null $navigationGroup = 'Inventory';

    public static function form(Schema $schema): Schema
    {
        return $schema;
    }

    public static function infolist(Schema $schema): Schema
    {
        return $schema
            ->schema([
                Section::make('Policy Details')
                    ->schema([
                        TextEntry::make('display_name')->label('Policy'),
                        TextEntry::make('policy_type')->label('Type'),
                        TextEntry::make('platform'),
                        TextEntry::make('external_id')->label('External ID'),
                        TextEntry::make('last_synced_at')->dateTime()->label('Last synced'),
                        TextEntry::make('created_at')->since(),
                        TextEntry::make('latest_snapshot_mode')
                            ->label('Snapshot')
                            ->badge()
                            ->color(fn (Policy $record): string => (static::latestVersionMetadata($record)['source'] ?? null) === 'metadata_only' ? 'warning' : 'success')
                            ->state(fn (Policy $record): string => (static::latestVersionMetadata($record)['source'] ?? null) === 'metadata_only' ? 'metadata only' : 'full')
                            ->helperText(function (Policy $record): ?string {
                                $meta = static::latestVersionMetadata($record);

                                if (($meta['source'] ?? null) !== 'metadata_only') {
                                    return null;
                                }

                                $status = $meta['original_status'] ?? null;

                                return sprintf(
                                    'Graph returned %s for this policy type. Only local metadata was saved; settings and restore are unavailable until Graph works again.',
                                    $status ?? 'an error'
                                );
                            })
                            ->visible(fn (Policy $record) => $record->versions()->exists()),
                    ])
                    ->columns(2)
                    ->columnSpanFull(),

                // Tabbed content (General / Settings / JSON)
                Tabs::make('policy_content')
                    ->activeTab(1)
                    ->persistTabInQueryString()
                    ->tabs([
                        Tab::make('General')
                            ->id('general')
                            ->schema([
                                ViewEntry::make('policy_general')
                                    ->label('')
                                    ->view('filament.infolists.entries.policy-general')
                                    ->state(function (Policy $record) {
                                        return static::generalOverviewState($record);
                                    }),
                            ])
                            ->visible(fn (Policy $record) => $record->versions()->exists()),
                        Tab::make('Settings')
                            ->id('settings')
                            ->schema([
                                ViewEntry::make('settings_catalog')
                                    ->label('')
                                    ->view('filament.infolists.entries.normalized-settings')
                                    ->state(function (Policy $record) {
                                        return static::settingsTabState($record);
                                    })
                                    ->visible(fn (Policy $record) => static::hasSettingsTable($record) &&
                                        $record->versions()->exists()
                                    ),

                                ViewEntry::make('settings_standard')
                                    ->label('')
                                    ->view('filament.infolists.entries.policy-settings-standard')
                                    ->state(function (Policy $record) {
                                        return static::settingsTabState($record);
                                    })
                                    ->visible(fn (Policy $record) => ! static::hasSettingsTable($record) &&
                                        $record->versions()->exists()
                                    ),

                                TextEntry::make('no_settings_available')
                                    ->label('Settings')
                                    ->state('No policy snapshot available yet.')
                                    ->helperText('This policy has been inventoried but no configuration snapshot has been captured yet.')
                                    ->visible(fn (Policy $record) => ! $record->versions()->exists()),
                            ]),
                        Tab::make('JSON')
                            ->id('json')
                            ->schema([
                                ViewEntry::make('snapshot_json')
                                    ->view('filament.infolists.entries.snapshot-json')
                                    ->state(fn (Policy $record) => static::latestSnapshot($record))
                                    ->columnSpanFull(),
                                TextEntry::make('snapshot_size')
                                    ->label('Payload Size')
                                    ->state(fn (Policy $record) => strlen(json_encode(static::latestSnapshot($record) ?: [])))
                                    ->formatStateUsing(function ($state) {
                                        if ($state > 512000) {
                                            return '<span class="inline-flex items-center gap-1 text-warning-600 dark:text-warning-400 font-semibold">
                                                <svg class="w-4 h-4" fill="currentColor" viewBox="0 0 20 20">
                                                    <path fill-rule="evenodd" d="M8.257 3.099c.765-1.36 2.722-1.36 3.486 0l5.58 9.92c.75 1.334-.213 2.98-1.742 2.98H4.42c-1.53 0-2.493-1.646-1.743-2.98l5.58-9.92zM11 13a1 1 0 11-2 0 1 1 0 012 0zm-1-8a1 1 0 00-1 1v3a1 1 0 002 0V6a1 1 0 00-1-1z" clip-rule="evenodd"/>
                                                </svg>
                                                Large payload ('.number_format($state / 1024, 0).' KB) - May impact performance
                                            </span>';
                                        }

                                        return number_format($state / 1024, 1).' KB';
                                    })
                                    ->html()
                                    ->visible(fn (Policy $record) => strlen(json_encode(static::latestSnapshot($record) ?: [])) > 512000),
                            ])
                            ->visible(fn (Policy $record) => $record->versions()->exists()),
                    ])
                    ->columnSpanFull()
                    ->visible(fn (Policy $record) => static::usesTabbedLayout($record)),

                // Legacy layout (kept for fallback if tabs are disabled)
                Section::make('Settings')
                    ->schema([
                        ViewEntry::make('settings')
                            ->label('')
                            ->view('filament.infolists.entries.normalized-settings')
                            ->state(function (Policy $record) {
                                $normalized = app(PolicyNormalizer::class)->normalize(
                                    static::latestSnapshot($record),
                                    $record->policy_type ?? '',
                                    $record->platform
                                );

                                $normalized['context'] = 'policy';
                                $normalized['record_id'] = (string) $record->getKey();

                                return $normalized;
                            }),
                    ])
                    ->columnSpanFull()
                    ->visible(function (Policy $record) {
                        return ! static::usesTabbedLayout($record);
                    }),

                Section::make('Policy Snapshot (JSON)')
                    ->schema([
                        ViewEntry::make('snapshot_json')
                            ->view('filament.infolists.entries.snapshot-json')
                            ->state(fn (Policy $record) => static::latestSnapshot($record))
                            ->columnSpanFull(),

                        TextEntry::make('snapshot_size')
                            ->label('Payload Size')
                            ->state(fn (Policy $record) => strlen(json_encode(static::latestSnapshot($record) ?: [])))
                            ->formatStateUsing(function ($state) {
                                if ($state > 512000) {
                                    return '<span class="inline-flex items-center gap-1 text-warning-600 dark:text-warning-400 font-semibold">
                                        <svg class="w-4 h-4" fill="currentColor" viewBox="0 0 20 20">
                                            <path fill-rule="evenodd" d="M8.257 3.099c.765-1.36 2.722-1.36 3.486 0l5.58 9.92c.75 1.334-.213 2.98-1.742 2.98H4.42c-1.53 0-2.493-1.646-1.743-2.98l5.58-9.92zM11 13a1 1 0 11-2 0 1 1 0 012 0zm-1-8a1 1 0 00-1 1v3a1 1 0 002 0V6a1 1 0 00-1-1z" clip-rule="evenodd"/>
                                        </svg>
                                        Large payload ('.number_format($state / 1024, 0).' KB) - May impact performance
                                    </span>';
                                }

                                return number_format($state / 1024, 1).' KB';
                            })
                            ->html()
                            ->visible(fn (Policy $record) => strlen(json_encode(static::latestSnapshot($record) ?: [])) > 512000),
                    ])
                    ->collapsible()
                    ->collapsed(fn (Policy $record) => strlen(json_encode(static::latestSnapshot($record) ?: [])) > 512000)
                    ->description('Raw JSON configuration from Microsoft Graph API')
                    ->columnSpanFull()
                    ->visible(function (Policy $record) {
                        return ! static::usesTabbedLayout($record);
                    }),
            ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->modifyQueryUsing(function (Builder $query) {
                // Quick-Workaround: Hide policies not synced in last 7 days
                // Full solution in Feature 005: Policy Lifecycle Management (soft delete)
                $query->where('last_synced_at', '>', now()->subDays(7));
            })
            ->columns([
                Tables\Columns\TextColumn::make('display_name')
                    ->label('Policy')
                    ->searchable(),
                Tables\Columns\TextColumn::make('policy_type')
                    ->label('Type')
                    ->badge()
                    ->formatStateUsing(fn (?string $state, Policy $record) => static::typeMeta($record->policy_type)['label'] ?? $state),
                Tables\Columns\TextColumn::make('category')
                    ->label('Category')
                    ->badge()
                    ->state(fn (Policy $record) => static::typeMeta($record->policy_type)['category'] ?? 'Unknown'),
                Tables\Columns\TextColumn::make('restore_mode')
                    ->label('Restore')
                    ->badge()
                    ->state(fn (Policy $record) => static::typeMeta($record->policy_type)['restore'] ?? 'enabled'),
                Tables\Columns\TextColumn::make('platform')
                    ->badge()
                    ->sortable(),
                Tables\Columns\TextColumn::make('settings_status')
                    ->label('Settings')
                    ->badge()
                    ->state(function (Policy $record) {
                        $latest = $record->versions->first();
                        $snapshot = $latest?->snapshot ?? [];
                        $hasSettings = is_array($snapshot) && ! empty($snapshot['settings']);

                        return $hasSettings ? 'Available' : 'Missing';
                    })
                    ->color(function (Policy $record) {
                        $latest = $record->versions->first();
                        $snapshot = $latest?->snapshot ?? [];
                        $hasSettings = is_array($snapshot) && ! empty($snapshot['settings']);

                        return $hasSettings ? 'success' : 'gray';
                    }),
                Tables\Columns\TextColumn::make('external_id')
                    ->label('External ID')
                    ->copyable()
                    ->limit(32),
                Tables\Columns\TextColumn::make('last_synced_at')
                    ->label('Last synced')
                    ->dateTime()
                    ->sortable(),
                Tables\Columns\TextColumn::make('created_at')
                    ->dateTime()
                    ->since()
                    ->toggleable(isToggledHiddenByDefault: true),
            ])
            ->filters([
                Tables\Filters\SelectFilter::make('visibility')
                    ->label('Visibility')
                    ->options([
                        'active' => 'Active',
                        'ignored' => 'Ignored',
                    ])
                    ->default('active')
                    ->query(function (Builder $query, array $data) {
                        $value = $data['value'] ?? null;

                        if (blank($value)) {
                            return;
                        }

                        if ($value === 'active') {
                            $query->whereNull('ignored_at');

                            return;
                        }

                        if ($value === 'ignored') {
                            $query->whereNotNull('ignored_at');
                        }
                    }),
                Tables\Filters\SelectFilter::make('policy_type')
                    ->options(function () {
                        return collect(config('tenantpilot.supported_policy_types', []))
                            ->pluck('label', 'type')
                            ->map(fn ($label, $type) => $label ?? $type)
                            ->all();
                    }),
                Tables\Filters\SelectFilter::make('category')
                    ->options(function () {
                        return collect(config('tenantpilot.supported_policy_types', []))
                            ->pluck('category', 'category')
                            ->filter()
                            ->unique()
                            ->sort()
                            ->all();
                    })
                    ->query(function (Builder $query, array $data) {
                        $category = $data['value'] ?? null;
                        if (! $category) {
                            return;
                        }

                        $types = collect(config('tenantpilot.supported_policy_types', []))
                            ->where('category', $category)
                            ->pluck('type')
                            ->all();

                        $query->whereIn('policy_type', $types);
                    }),
                Tables\Filters\SelectFilter::make('platform')
                    ->options(fn () => Policy::query()
                        ->distinct()
                        ->pluck('platform', 'platform')
                        ->filter()
                        ->reject(fn ($platform) => is_string($platform) && strtolower($platform) === 'all')
                        ->all()),
            ])
            ->actions([
                Actions\ViewAction::make(),
                ActionGroup::make([
                    Actions\Action::make('ignore')
                        ->label('Ignore')
                        ->icon('heroicon-o-trash')
                        ->color('danger')
                        ->requiresConfirmation()
                        ->visible(fn (Policy $record) => $record->ignored_at === null)
                        ->action(function (Policy $record) {
                            $record->ignore();

                            Notification::make()
                                ->title('Policy ignored')
                                ->success()
                                ->send();
                        }),
                    Actions\Action::make('restore')
                        ->label('Restore')
                        ->icon('heroicon-o-arrow-uturn-left')
                        ->color('success')
                        ->requiresConfirmation()
                        ->visible(fn (Policy $record) => $record->ignored_at !== null)
                        ->action(function (Policy $record) {
                            $record->unignore();

                            Notification::make()
                                ->title('Policy restored')
                                ->success()
                                ->send();
                        }),
                    Actions\Action::make('sync')
                        ->label('Sync')
                        ->icon('heroicon-o-arrow-path')
                        ->color('primary')
                        ->requiresConfirmation()
                        ->visible(fn (Policy $record) => $record->ignored_at === null)
                        ->action(function (Policy $record) {
                            $tenant = Tenant::current();
                            $user = auth()->user();

                            $service = app(BulkOperationService::class);
                            $run = $service->createRun($tenant, $user, 'policy', 'sync', [$record->id], 1);

                            BulkPolicySyncJob::dispatchSync($run->id);
                        }),
                    Actions\Action::make('export')
                        ->label('Export to Backup')
                        ->icon('heroicon-o-archive-box-arrow-down')
                        ->visible(fn (Policy $record) => $record->ignored_at === null)
                        ->form([
                            Forms\Components\TextInput::make('backup_name')
                                ->label('Backup Name')
                                ->required()
                                ->default(fn () => 'Backup '.now()->toDateTimeString()),
                        ])
                        ->action(function (Policy $record, array $data) {
                            $tenant = Tenant::current();
                            $user = auth()->user();

                            $service = app(BulkOperationService::class);
                            $run = $service->createRun($tenant, $user, 'policy', 'export', [$record->id], 1);

                            BulkPolicyExportJob::dispatchSync($run->id, $data['backup_name']);
                        }),
                ])->icon('heroicon-o-ellipsis-vertical'),
            ])
            ->bulkActions([
                BulkActionGroup::make([
                    BulkAction::make('bulk_delete')
                        ->label('Ignore Policies')
                        ->icon('heroicon-o-trash')
                        ->color('danger')
                        ->requiresConfirmation()
                        ->hidden(function (HasTable $livewire): bool {
                            $visibilityFilterState = $livewire->getTableFilterState('visibility') ?? [];
                            $value = $visibilityFilterState['value'] ?? null;

                            return $value === 'ignored';
                        })
                        ->form(function (Collection $records) {
                            if ($records->count() >= 20) {
                                return [
                                    Forms\Components\TextInput::make('confirmation')
                                        ->label('Type DELETE to confirm')
                                        ->required()
                                        ->in(['DELETE'])
                                        ->validationMessages([
                                            'in' => 'Please type DELETE to confirm.',
                                        ]),
                                ];
                            }

                            return [];
                        })
                        ->action(function (Collection $records, array $data) {
                            $tenant = Tenant::current();
                            $user = auth()->user();
                            $count = $records->count();
                            $ids = $records->pluck('id')->toArray();

                            $service = app(BulkOperationService::class);
                            $run = $service->createRun($tenant, $user, 'policy', 'delete', $ids, $count);

                            if ($count >= 20) {
                                Notification::make()
                                    ->title('Bulk delete started')
                                    ->body("Deleting {$count} policies in the background. Check the progress bar in the bottom right corner.")
                                    ->icon('heroicon-o-arrow-path')
                                    ->iconColor('warning')
                                    ->info()
                                    ->duration(8000)
                                    ->sendToDatabase($user)
                                    ->send();

                                BulkPolicyDeleteJob::dispatch($run->id);
                            } else {
                                BulkPolicyDeleteJob::dispatchSync($run->id);
                            }
                        })
                        ->deselectRecordsAfterCompletion(),

                    BulkAction::make('bulk_restore')
                        ->label('Restore Policies')
                        ->icon('heroicon-o-arrow-uturn-left')
                        ->color('success')
                        ->requiresConfirmation()
                        ->hidden(function (HasTable $livewire): bool {
                            $visibilityFilterState = $livewire->getTableFilterState('visibility') ?? [];
                            $value = $visibilityFilterState['value'] ?? null;

                            return ! in_array($value, [null, 'ignored'], true);
                        })
                        ->action(function (Collection $records) {
                            $tenant = Tenant::current();
                            $user = auth()->user();
                            $count = $records->count();
                            $ids = $records->pluck('id')->toArray();

                            $service = app(BulkOperationService::class);
                            $run = $service->createRun($tenant, $user, 'policy', 'unignore', $ids, $count);

                            if ($count >= 20) {
                                Notification::make()
                                    ->title('Bulk restore started')
                                    ->body("Restoring {$count} policies in the background. Check the progress bar in the bottom right corner.")
                                    ->icon('heroicon-o-arrow-path')
                                    ->iconColor('warning')
                                    ->info()
                                    ->duration(8000)
                                    ->sendToDatabase($user)
                                    ->send();

                                BulkPolicyUnignoreJob::dispatch($run->id);
                            } else {
                                BulkPolicyUnignoreJob::dispatchSync($run->id);
                            }
                        })
                        ->deselectRecordsAfterCompletion(),

                    BulkAction::make('bulk_sync')
                        ->label('Sync Policies')
                        ->icon('heroicon-o-arrow-path')
                        ->color('primary')
                        ->requiresConfirmation()
                        ->hidden(function (HasTable $livewire): bool {
                            $visibilityFilterState = $livewire->getTableFilterState('visibility') ?? [];
                            $value = $visibilityFilterState['value'] ?? null;

                            return $value === 'ignored';
                        })
                        ->action(function (Collection $records) {
                            $tenant = Tenant::current();
                            $user = auth()->user();
                            $count = $records->count();
                            $ids = $records->pluck('id')->toArray();

                            $service = app(BulkOperationService::class);
                            $run = $service->createRun($tenant, $user, 'policy', 'sync', $ids, $count);

                            if ($count >= 20) {
                                Notification::make()
                                    ->title('Bulk sync started')
                                    ->body("Syncing {$count} policies in the background. Check the progress bar in the bottom right corner.")
                                    ->icon('heroicon-o-arrow-path')
                                    ->iconColor('warning')
                                    ->info()
                                    ->duration(8000)
                                    ->sendToDatabase($user)
                                    ->send();

                                BulkPolicySyncJob::dispatch($run->id);
                            } else {
                                BulkPolicySyncJob::dispatchSync($run->id);
                            }
                        })
                        ->deselectRecordsAfterCompletion(),

                    BulkAction::make('bulk_export')
                        ->label('Export to Backup')
                        ->icon('heroicon-o-archive-box-arrow-down')
                        ->form([
                            Forms\Components\TextInput::make('backup_name')
                                ->label('Backup Name')
                                ->required()
                                ->default(fn () => 'Backup '.now()->toDateTimeString()),
                        ])
                        ->action(function (Collection $records, array $data) {
                            $tenant = Tenant::current();
                            $user = auth()->user();
                            $count = $records->count();
                            $ids = $records->pluck('id')->toArray();

                            $service = app(BulkOperationService::class);
                            $run = $service->createRun($tenant, $user, 'policy', 'export', $ids, $count);

                            if ($count >= 20) {
                                Notification::make()
                                    ->title('Bulk export started')
                                    ->body("Exporting {$count} policies to backup '{$data['backup_name']}' in the background. Check the progress bar in the bottom right corner.")
                                    ->icon('heroicon-o-arrow-path')
                                    ->iconColor('warning')
                                    ->info()
                                    ->duration(8000)
                                    ->sendToDatabase($user)
                                    ->send();

                                BulkPolicyExportJob::dispatch($run->id, $data['backup_name']);
                            } else {
                                BulkPolicyExportJob::dispatchSync($run->id, $data['backup_name']);
                            }
                        })
                        ->deselectRecordsAfterCompletion(),
                ]),
            ]);
    }

    public static function getEloquentQuery(): Builder
    {
        $tenantId = Tenant::current()->getKey();

        return parent::getEloquentQuery()
            ->when($tenantId, fn (Builder $query) => $query->where('tenant_id', $tenantId))
            ->withCount('versions')
            ->with([
                'versions' => fn ($query) => $query->orderByDesc('captured_at')->limit(1),
            ]);
    }

    public static function getRelations(): array
    {
        return [
            VersionsRelationManager::class,
        ];
    }

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListPolicies::route('/'),
            'view' => Pages\ViewPolicy::route('/{record}'),
        ];
    }

    private static function latestSnapshot(Policy $record): array
    {
        $snapshot = $record->relationLoaded('versions')
            ? $record->versions->first()?->snapshot
            : $record->versions()->orderByDesc('captured_at')->value('snapshot');

        if (is_string($snapshot)) {
            $decoded = json_decode($snapshot, true);
            $snapshot = $decoded ?? [];
        }

        if (is_array($snapshot)) {
            return $snapshot;
        }

        return [];
    }

    private static function latestVersionMetadata(Policy $record): array
    {
        $metadata = $record->relationLoaded('versions')
            ? $record->versions->first()?->metadata
            : $record->versions()->orderByDesc('captured_at')->value('metadata');

        if (is_string($metadata)) {
            $decoded = json_decode($metadata, true);
            $metadata = $decoded ?? [];
        }

        return is_array($metadata) ? $metadata : [];
    }

    /**
     * @return array<string, mixed>
     */
    private static function normalizedPolicyState(Policy $record): array
    {
        $cacheKey = 'tenantpilot.normalizedPolicyState.'.(string) $record->getKey();
        $request = request();

        if ($request->attributes->has($cacheKey)) {
            $cached = $request->attributes->get($cacheKey);

            if (is_array($cached)) {
                return $cached;
            }
        }

        $snapshot = static::latestSnapshot($record);

        $normalized = app(PolicyNormalizer::class)->normalize(
            $snapshot,
            $record->policy_type,
            $record->platform
        );

        $normalized['context'] = 'policy';
        $normalized['record_id'] = (string) $record->getKey();
        $normalized['policy_type'] = $record->policy_type;

        $request->attributes->set($cacheKey, $normalized);

        return $normalized;
    }

    /**
     * @param  array{settings?: array<int, array<string, mixed>>}  $normalized
     * @return array{normalized: array<string, mixed>, general: ?array<string, mixed>}
     */
    private static function splitGeneralBlock(array $normalized): array
    {
        $general = null;
        $filtered = [];

        foreach ($normalized['settings'] ?? [] as $block) {
            if (! is_array($block)) {
                continue;
            }

            $title = $block['title'] ?? null;

            if (is_string($title) && strtolower($title) === 'general') {
                $general = $block;

                continue;
            }

            $filtered[] = $block;
        }

        $normalized['settings'] = $filtered;

        return [
            'normalized' => $normalized,
            'general' => $general,
        ];
    }

    /**
     * @return array{label:?string,category:?string,restore:?string,risk:?string}|array<string,string>|array<string,mixed>
     */
    private static function typeMeta(?string $type): array
    {
        if ($type === null) {
            return [];
        }

        return collect(config('tenantpilot.supported_policy_types', []))
            ->firstWhere('type', $type) ?? [];
    }

    private static function usesTabbedLayout(Policy $record): bool
    {
        return true;
    }

    private static function hasSettingsTable(Policy $record): bool
    {
        $normalized = static::normalizedPolicyState($record);
        $rows = $normalized['settings_table']['rows'] ?? [];

        return is_array($rows) && $rows !== [];
    }

    /**
     * @return array{entries: array<int, array{key: string, value: mixed}>}
     */
    private static function generalOverviewState(Policy $record): array
    {
        $snapshot = static::latestSnapshot($record);
        $entries = [];

        $name = $snapshot['displayName'] ?? $snapshot['name'] ?? $record->display_name;
        if (is_string($name) && $name !== '') {
            $entries[] = ['key' => 'Name', 'value' => $name];
        }

        $platforms = $snapshot['platforms'] ?? $snapshot['platform'] ?? $record->platform;
        if (is_string($platforms) && $platforms !== '') {
            $entries[] = ['key' => 'Platforms', 'value' => $platforms];
        } elseif (is_array($platforms) && $platforms !== []) {
            $entries[] = ['key' => 'Platforms', 'value' => $platforms];
        }

        $technologies = $snapshot['technologies'] ?? null;
        if (is_string($technologies) && $technologies !== '') {
            $entries[] = ['key' => 'Technologies', 'value' => $technologies];
        } elseif (is_array($technologies) && $technologies !== []) {
            $entries[] = ['key' => 'Technologies', 'value' => $technologies];
        }

        if (array_key_exists('templateReference', $snapshot)) {
            $entries[] = ['key' => 'Template Reference', 'value' => $snapshot['templateReference']];
        }

        $settingCount = $snapshot['settingCount']
            ?? $snapshot['settingsCount']
            ?? (isset($snapshot['settings']) && is_array($snapshot['settings']) ? count($snapshot['settings']) : null);

        if (is_int($settingCount) || is_numeric($settingCount)) {
            $entries[] = ['key' => 'Setting Count', 'value' => $settingCount];
        }

        $version = $snapshot['version'] ?? null;
        if (is_string($version) && $version !== '') {
            $entries[] = ['key' => 'Version', 'value' => $version];
        } elseif (is_numeric($version)) {
            $entries[] = ['key' => 'Version', 'value' => $version];
        }

        $lastModified = $snapshot['lastModifiedDateTime'] ?? null;
        if (is_string($lastModified) && $lastModified !== '') {
            $entries[] = ['key' => 'Last Modified', 'value' => $lastModified];
        }

        $createdAt = $snapshot['createdDateTime'] ?? null;
        if (is_string($createdAt) && $createdAt !== '') {
            $entries[] = ['key' => 'Created', 'value' => $createdAt];
        }

        $description = $snapshot['description'] ?? null;
        if (is_string($description) && $description !== '') {
            $entries[] = ['key' => 'Description', 'value' => $description];
        }

        return [
            'entries' => $entries,
        ];
    }

    /**
     * @return array<string, mixed>
     */
    private static function settingsTabState(Policy $record): array
    {
        $normalized = static::normalizedPolicyState($record);
        $rows = $normalized['settings_table']['rows'] ?? [];
        $hasSettingsTable = is_array($rows) && $rows !== [];

        if (in_array($record->policy_type, ['settingsCatalogPolicy', 'endpointSecurityPolicy', 'securityBaselinePolicy'], true) && $hasSettingsTable) {
            $split = static::splitGeneralBlock($normalized);

            return $split['normalized'];
        }

        return $normalized;
    }
}