topnotch_website/app/Filament/Resources/InvoiceResource.php

<?php

namespace App\Filament\Resources;

use App\Filament\Resources\InvoiceResource\Pages;
use App\Filament\Resources\InvoiceResource\RelationManagers\OrdersRelationManager;
use App\Filament\Resources\InvoiceResource\RelationManagers\ProductServicesRelationManager;
use App\Models\Customer;
use App\Models\Invoice;
use Filament\Forms\Components\DatePicker;
use Filament\Forms\Components\Grid;
use Filament\Forms\Components\Section;
use Filament\Forms\Components\Select;
use Filament\Forms\Components\Split;
use Filament\Forms\Components\ToggleButtons;
use Filament\Forms\Form;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Table;

class InvoiceResource extends Resource
{
    protected static ?string $model = Invoice::class;

    protected static ?string $navigationIcon = 'lucide-receipt-text';

    protected static ?string $navigationGroup = 'Production';

    protected static ?int $navigationSort = 2;

    public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Section::make([
                    Grid::make(2)
                        ->schema([
                            Select::make('customer_id')
                                ->required()
                                ->label('Customer')
                                ->options(Customer::all()->pluck('company_name', 'id'))
                                ->reactive()
                                ->searchable()
                                ->columnSpan(2),

                            Split::make([
                                DatePicker::make('date')
                                    ->required()
                                    ->default(today()),
                                DatePicker::make('due_date'),
                            ])
                                ->columnSpan(2),
                        ])->columnSpan(2),

                    Grid::make(1)
                        ->schema([
                            ToggleButtons::make('gst')
                                ->boolean()
                                ->default(true)
                                ->inline()
                                ->colors([
                                    'true'  => 'info',
                                    'false' => 'info',
                                ]),

                            ToggleButtons::make('pst')
                                ->boolean()
                                ->default(false)
                                ->inline()
                                ->colors([
                                    'true'  => 'info',
                                    'false' => 'info',
                                ]),
                        ])->columnSpan(1),
                ])
                    ->columns(3)
                    ->columnSpan(3),
            ])->columns(3);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('internal_id')
                    ->label('ID')
                    ->color('primary'),
                Tables\Columns\TextColumn::make('customer.company_name'),
                Tables\Columns\TextColumn::make('created_at')
                    ->date(),
                Tables\Columns\TextColumn::make('gst_amount')
                    ->label('GST')
                    ->prefix('$'),
                Tables\Columns\TextColumn::make('pst_amount')
                    ->label('PST')
                    ->prefix('$'),
                Tables\Columns\TextColumn::make('subtotal')
                    ->prefix('$'),
                Tables\Columns\TextColumn::make('total')
                    ->prefix('$'),
            ])
            ->filters([
                //
            ])
            ->defaultSort('created_at', 'desc')
            ->actions([
                Tables\Actions\EditAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                ]),
            ]);
    }

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

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