<?php

namespace App\Filament\Resources;

use App\Filament\Resources\CommitmentFormResource\Pages;
use App\Models\CommitmentForm;
use Filament\Forms;
use Filament\Forms\Form;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Table;
use Filament\Forms\Components\FileUpload;
use Illuminate\Support\Facades\Storage;

class CommitmentFormResource extends Resource
{
    protected static ?string $model = CommitmentForm::class;

    protected static ?string $navigationIcon = 'heroicon-o-document-text';

    protected static ?string $navigationLabel = 'فایل‌های تعهدنامه';

    protected static ?string $navigationGroup = 'تنظیمات';

    protected static ?int $navigationSort = 5;

    public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Forms\Components\Section::make('اطلاعات تعهدنامه')
                    ->schema([
                        Forms\Components\TextInput::make('title')
                            ->required()
                            ->maxLength(255)
                            ->label('عنوان'),
                        Forms\Components\Textarea::make('description')
                            ->nullable()
                            ->rows(3)
                            ->label('توضیحات'),
                        Forms\Components\Select::make('direction')
                            ->options([
                                'export' => 'صادرات',
                                'import' => 'واردات',
                                'both' => 'هر دو',
                            ])
                            ->default('both')
                            ->required()
                            ->label('جهت ارسال'),
                        Forms\Components\Toggle::make('is_active')
                            ->default(true)
                            ->label('فعال'),
                        Forms\Components\TextInput::make('sort_order')
                            ->numeric()
                            ->default(0)
                            ->label('ترتیب نمایش'),
                    ])->columns(2),

                Forms\Components\Section::make('فایل')
                    ->schema([
                        FileUpload::make('file_path')
                            ->label('فایل تعهدنامه')
                            ->disk('public')
                            ->directory('commitment-forms')
                            ->acceptedFileTypes(['application/pdf', 'image/png', 'image/jpeg'])
                            ->maxSize(10240) // 10MB
                            ->required()
                            ->columnSpanFull()
                            ->extraAttributes(['class' => 'w-full'])
                            ->getUploadedFileNameForStorageUsing(function ($file): string {
                                $extension = $file->getClientOriginalExtension();
                                $filename = time() . '_' . uniqid() . '.' . $extension;
                                return $filename;
                            }),
                        Forms\Components\Placeholder::make('file_info')
                            ->label('اطلاعات فایل')
                            ->content(function ($record) {
                                if (!$record) return 'فایلی آپلود نشده';
                                
                                $type = strtoupper(pathinfo($record->file_path, PATHINFO_EXTENSION));
                                $size = $record->formatted_size;
                                
                                return "فرمت: {$type} | حجم: {$size}";
                            }),
                    ]),
            ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('title')
                    ->searchable()
                    ->label('عنوان'),
                Tables\Columns\TextColumn::make('direction')
                    ->badge()
                    ->color(fn (string $state): string => match ($state) {
                        'export' => 'success',
                        'import' => 'info',
                        'both' => 'warning',
                    })
                    ->formatStateUsing(fn (string $state): string => match ($state) {
                        'export' => 'صادرات',
                        'import' => 'واردات',
                        'both' => 'هر دو',
                    })
                    ->label('جهت'),
                Tables\Columns\IconColumn::make('is_active')
                    ->boolean()
                    ->label('فعال'),
                Tables\Columns\TextColumn::make('sort_order')
                    ->sortable()
                    ->label('ترتیب'),
                Tables\Columns\TextColumn::make('uploader.name')
                    ->label('آپلود کننده'),
                Tables\Columns\TextColumn::make('created_at')
                    ->dateTime()
                    ->sortable()
                    ->label('تاریخ ایجاد'),
            ])
            ->filters([
                Tables\Filters\SelectFilter::make('direction')
                    ->options([
                        'export' => 'صادرات',
                        'import' => 'واردات',
                        'both' => 'هر دو',
                    ]),
                Tables\Filters\TernaryFilter::make('is_active')
                    ->label('فعال'),
            ])
            ->actions([
                Tables\Actions\EditAction::make(),
                Tables\Actions\DeleteAction::make(),
                Tables\Actions\Action::make('download')
                    ->label('دانلود')
                    ->icon('heroicon-o-arrow-down-tray')
                    ->color('info')
                    ->url(fn ($record) => $record->file_url)
                    ->openUrlInNewTab(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                ]),
            ]);
    }

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