<?php

namespace VEximweb\Plugin\DnsTools\Filament\Resources;

//use VEximweb\Plugin\DnsTools\Filament\Resources\Dmarc\Pages\CreateDomain;
//use VEximweb\Core\Domain\Filament\Resources\Pages\EditDomain;
use VEximweb\Plugin\DnsTools\Filament\Resources\Pages\ListDomains;
use VEximweb\Core\Domain\Filament\Resources\Schemas\DomainForm;
use VEximweb\Plugin\DnsTools\Filament\Resources\Tables\DomainsTable;
use VEximweb\Plugin\DnsTools\Models\SystemDomains as Domain;
use BackedEnum;
use Filament\Resources\Resource;
use Filament\Schemas\Schema;
use Filament\Support\Icons\Heroicon;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use VEximweb\Plugin\DnsTools\Filament\Resources\Dmarc\Pages\GenerateDmarcPage;
use VEximweb\Plugin\DnsTools\Filament\Resources\Spf\Pages\GenerateSpfPage;

class DnsToolsResource extends Resource
{
    protected static ?string $model = Domain::class;
    
    protected static ?string $slug = 'dnstools';

    protected static string|BackedEnum|null $navigationIcon = Heroicon::WrenchScrewdriver;

    protected static ?string $recordTitleAttribute = 'domain';
    
    protected static string|\UnitEnum|null $navigationGroup = 'DNS';
    
    protected static ?string $navigationLabel = 'DNS Tools';
    
    protected static ?int $navigationSort = 1;

    
    public static function form(Schema $schema): Schema
    {
        // Get the base form
        $schema = DomainForm::configure($schema);
        
        // Check if DNS Core is installed and try to get extensions
        if (class_exists(\VEximweb\Plugin\DnsCore\Services\DnsProviderDiscoveryService::class)) {
            try {
                $discoveryService = app(\VEximweb\Plugin\DnsCore\Services\DnsProviderDiscoveryService::class);
                
                // Make sure the discovery service is booted
                if (method_exists($discoveryService, 'boot')) {
                    $discoveryService->boot();
                }
                
                $extensions = $discoveryService->getFormExtensions();
                
                if (!empty($extensions)) {
                    $extensionComponents = [];
                    
                    foreach ($extensions as $extension) {
                        if (isset($extension['components']) && is_callable($extension['components'])) {
                            $components = $extension['components']();
                            if (is_array($components)) {
                                $extensionComponents = array_merge($extensionComponents, $components);
                            }
                        }
                    }
                    
                    if (!empty($extensionComponents)) {
                        \Log::debug('Injecting DNS form extensions', [
                            'component_count' => count($extensionComponents),
                            'extension_count' => count($extensions),
                        ]);
                        
                        $schema = $schema->components([
                            ...$schema->getComponents(),
                            ...$extensionComponents,
                        ]);
                    }
                }
            } catch (\Exception $e) {
                Log::debug('Could not load DNS form extensions: ' . $e->getMessage());
            }
        }
        
        return $schema;
    }    
    

    public static function table(Table $table): Table
    {
        return DomainsTable::configure($table);
    }

    public static function getRelations(): array
    {
        return [
            //
        ];
    }
    
    public static function getEloquentQuery(): Builder
    {
        $query = parent::getEloquentQuery();
        $user = auth()->user();
        
        // If no user is logged in, return empty query
        if (!$user) {
            return $query->whereRaw('1 = 0');
        }
        
        // System admins can see all domains
        if ($user->isSystemAdmin()) {
            return $query;
        }
        
        // Domain admins only see domains they're assigned to
        if ($user->isDomainAdmin()) {
            return $query->whereHas('administrators', function ($q) use ($user) {
                $q->where('user_id', $user->id)
                  ->where('role', 'domain_admin');
            });
        }
        
        // Domain users shouldn't see any domains
        return $query->whereRaw('1 = 0');
    }
    

    
    public static function getNavigationBadgeColor(): ?string
    {
        return 'primary';
    }
    
    public static function getNavigationBadgeTooltip(): ?string
    {
        $user = auth()->user();
        
        if (!$user) {
            return null;
        }
        
        if ($user->isSystemAdmin()) {
            return 'Total number of domains in the system';
        }
        
        if ($user->isDomainAdmin()) {
            return 'Total number of domains you administer';
        }
        
        return null;
    }
    
    // Hide navigation item for domain-users
    public static function shouldRegisterNavigation(): bool
    {
        $user = auth()->user();
        
        // Hide for domain-user
        if (!$user || $user->isDomainUser()) {
            return false;
        }
        
        return true;
    }

    public static function getPages(): array
    {
        return [
            'index' => ListDomains::route('/'),
            //'dmarc' => GenerateDmarcPage::route('/dmarc'),
            'generateDmarc' => GenerateDmarcPage::route('/{domain}/generate-dmarc'),
            'generateSpf' => GenerateSpfPage::route('/{domain}/generate-spf'),
            //'create' => CreateDomain::route('/create'),
            //'edit' => EditDomain::route('/{record}/edit'),
        ];
    }
    
    public static function getGloballySearchableAttributes(): array
    {
        return ['domain'];
    }    
}