<?php

namespace App\Filament\Resources;

use App\Filament\Resources\RoleResource\Pages;
use App\Models\Role;
use Filament\Forms;
use Filament\Forms\Form;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Table;
use Illuminate\Support\Facades\Auth;

class RoleResource extends Resource
{
    protected static ?string $model = Role::class;

    protected static ?string $navigationIcon = 'heroicon-o-shield-check';
    protected static ?string $navigationLabel = 'نقش‌ها';
    protected static ?string $modelLabel = 'نقش';
    protected static ?string $pluralModelLabel = 'نقش‌ها';
    protected static ?string $navigationGroup = 'تنظیمات سیستم';
    protected static ?int $navigationSort = 2;

    public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Forms\Components\Section::make('اطلاعات نقش')
                    ->schema([
                        Forms\Components\TextInput::make('name')
                            ->label('نام نقش (انگلیسی)')
                            ->required()
                            ->unique(ignoreRecord: true)
                            ->maxLength(255),
                        
                        Forms\Components\Select::make('guard_name')
                            ->label('نوع Guard')
                            ->options([
                                'web' => 'Web',
                                'api' => 'API',
                            ])
                            ->default('web')
                            ->required(),
                    ])->columns(2),

                Forms\Components\Section::make('دسترسی‌ها')
                    ->schema([
                        Forms\Components\CheckboxList::make('permissions')
                            ->label('دسترسی‌های این نقش')
                            ->relationship('permissions', 'name')
                            ->columns(3)
                            ->bulkToggleable(),
                    ]),
            ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('id')
                    ->label('شناسه')
                    ->sortable(),
                
                Tables\Columns\TextColumn::make('name')
                    ->label('نام')
                    ->searchable()
                    ->sortable()
                    ->badge()
                    ->color(fn (string $state): string => match ($state) {
                        'super_admin' => 'danger',
                        'admin' => 'warning',
                        'staff' => 'info',
                        'customer' => 'success',
                        default => 'gray',
                    }),
                
                Tables\Columns\TextColumn::make('guard_name')
                    ->label('Guard')
                    ->badge()
                    ->color('gray'),
                
                Tables\Columns\TextColumn::make('users_count')
                    ->label('تعداد کاربران')
                    ->counts('users')
                    ->badge()
                    ->color('info'),
                
                Tables\Columns\TextColumn::make('permissions_count')
                    ->label('تعداد دسترسی‌ها')
                    ->counts('permissions')
                    ->badge()
                    ->color('success'),
                
                Tables\Columns\TextColumn::make('created_at')
                    ->label('تاریخ ایجاد')
                    ->dateTime('Y/m/d')
                    ->sortable(),
            ])
            ->filters([])
            ->actions([
                Tables\Actions\EditAction::make()->label('ویرایش'),
                Tables\Actions\DeleteAction::make()->label('حذف'),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                ]),
            ])
            ->defaultSort('created_at', 'desc');
    }

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

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListRoles::route('/'),
            'create' => Pages\CreateRole::route('/create'),
            'edit' => Pages\EditRole::route('/{record}/edit'),
        ];
    }

        // ... بقیه کد فعلی (form, table, getPages) ...

    // ─── Access Control (فقط super_admin) ───
    
    protected static function getCurrentUser(): ?\App\Models\User
    {
        $user = Auth::user();
        return $user instanceof \App\Models\User ? $user : null;
    }

    public static function canViewAny(): bool
    {
        $user = static::getCurrentUser();
        return $user !== null && $user->hasRole('super_admin');
    }

    public static function canCreate(): bool
    {
        return static::canViewAny();
    }

    public static function canEdit($record): bool
    {
        return static::canViewAny();
    }

    public static function canDelete($record): bool
    {
        // جلوگیری از حذف نقش super_admin حتی توسط super_admin
        if ($record->name === 'super_admin') {
            return false;
        }
        return static::canViewAny();
    }
}