<?php

namespace App\Filament\Resources;

use App\Filament\Exports\ItemExporter;
use App\Filament\Imports\ItemImporter;
use App\Filament\Resources\ItemResource\Pages;
use App\Models\Item;
use Filament\Forms;
use Filament\Forms\Form;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Actions\ExportAction;
use Filament\Tables\Actions\ImportAction;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\SoftDeletingScope;
use Filament\Forms\Components\Section;

class ItemResource extends Resource
{
    protected static ?string $model = Item::class;

    protected static ?string $navigationIcon = 'heroicon-o-rectangle-stack';

    protected static ?string $navigationGroup = 'Master Entries';

    protected static ?int $navigationSort = 5;

    public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Section::make('')
                    ->schema([
                        Forms\Components\Select::make('plant_id')
                        ->relationship('plant', 'name')
                        ->required()
                        // ->nullable(),
                        ->reactive()
                        // ->afterStateUpdated(fn ($set) => $set('block_id', null) & $set('name', null) & $set('start_time', null) & $set('duration', null) & $set('end_time', null))
                        ->afterStateUpdated(function ($state, callable $set, callable $get) {
                            $plantId = $get('plant_id');
                            // Ensure `linestop_id` is not cleared
                            if (!$plantId) {
                                $set('iPlantError', 'Please select a plant first.');
                                return;
                            }
                            else
                            {
                                $set('iPlantError', null);
                            }
                        })
                        ->extraAttributes(fn ($get) => [
                            'class' => $get('iPlantError') ? 'border-red-500' : '',
                        ])
                        ->hint(fn ($get) => $get('iPlantError') ? $get('iPlantError') : null)
                        ->hintColor('danger'),
                    Forms\Components\TextInput::make('code')
                        ->required()
                        ->placeholder('Scan the valid code')
                        ->unique(ignoreRecord: true)
                        ->alphaNum()
                        ->minLength(6)
                        // ->autocapitalize('characters')
                        ->reactive()
                        ->afterStateUpdated(function ($state, callable $set, callable $get) {
                            $code = $get('code');
                            // Ensure `linestop_id` is not cleared
                            if (!$code) {
                                $set('iCodeError', 'Scan the valid code.');
                                return;
                            }
                            else
                            {
                                if (strlen($code) < 6) {
                                    $set('iCodeError', 'Item code must be at least 6 digits.');
                                    return;
                                }
                                else if (!preg_match('/^[a-zA-Z0-9]{6,}$/', $code)) {
                                    $set('code',null);
                                    $set('iCodeError', 'Item code must contain only alpha-numeric characters.');
                                    return;
                                }
                                $set('iCodeError', null);
                            }
                        })
                        ->extraAttributes(fn ($get) => [
                            'class' => $get('iCodeError') ? 'border-red-500' : '',
                        ])
                        ->hint(fn ($get) => $get('iCodeError') ? $get('iCodeError') : null)
                        ->hintColor('danger'),
                    Forms\Components\TextInput::make('hourly_quantity')
                        ->required()
                        ->label('Hourly Quantity')
                        ->placeholder('Scan the valid quantity')
                        ->integer()
                        ->minValue(1)
                        ->reactive()
                        ->afterStateUpdated(function ($state, callable $set, callable $get) {
                            $hourQuan = $get('hourly_quantity');
                            // Ensure `linestop_id` is not cleared
                            if (!$hourQuan) {
                                $set('iHourQuanError', 'Scan the valid hourly quantity.');
                                return;
                            }
                            else
                            {
                                if (!preg_match('/^[0-9]{1,}$/', $hourQuan)) {
                                    $set('hourly_quantity',null);
                                    $set('iHourQuanError', 'Quantity must be integer value.');
                                    return;
                                }
                                $set('iHourQuanError', null);
                            }
                        })
                        ->extraAttributes(fn ($get) => [
                            'class' => $get('iHourQuanError') ? 'border-red-500' : '',
                        ])
                        ->hint(fn ($get) => $get('iHourQuanError') ? $get('iHourQuanError') : null)
                        ->hintColor('danger'),
                    Forms\Components\Textarea::make('description')
                        ->required()
                        ->placeholder('Scan the valid description'),
                        // ->columnSpanFull(),
                    ])
                    ->columns(2),
            ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('id')
                    ->label('ID')
                    ->numeric()
                    ->sortable(),
                Tables\Columns\TextColumn::make('code')
                    ->sortable(),
                Tables\Columns\TextColumn::make('hourly_quantity')
                    ->numeric()
                    ->sortable(),
                Tables\Columns\TextColumn::make('description')
                    ->sortable(),
                Tables\Columns\TextColumn::make('plant.name')
                    ->sortable(),
                Tables\Columns\TextColumn::make('created_at')
                    ->dateTime()
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
                Tables\Columns\TextColumn::make('updated_at')
                    ->dateTime()
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
                Tables\Columns\TextColumn::make('deleted_at')
                    ->dateTime()
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
            ])
            ->filters([
                Tables\Filters\TrashedFilter::make(),
            ])
            ->actions([
                Tables\Actions\ViewAction::make(),
                Tables\Actions\EditAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                    Tables\Actions\ForceDeleteBulkAction::make(),
                    Tables\Actions\RestoreBulkAction::make(),
                ]),
            ])
            ->headerActions([
                ImportAction::make()
                    ->importer(ItemImporter::class),
                ExportAction::make()
                    ->exporter(ItemExporter::class),
            ]);
    }

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

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListItems::route('/'),
            'create' => Pages\CreateItem::route('/create'),
            'view' => Pages\ViewItem::route('/{record}'),
            'edit' => Pages\EditItem::route('/{record}/edit'),
        ];
    }

    public static function getEloquentQuery(): Builder
    {
        return parent::getEloquentQuery()
            ->withoutGlobalScopes([
                SoftDeletingScope::class,
            ]);
    }
}