ifnex/04_Laravel/app/Filament/Pages/IfnexSettingsPage.php

<?php

namespace App\Filament\Pages;

use App\Models\SystemSetting;
use Filament\Forms;
use Filament\Pages\Page;

class IfnexSettingsPage extends Page
{
    protected static ?string $navigationIcon = 'heroicon-o-cog-6-tooth';

    protected static ?string $navigationLabel = 'Settings';

    protected static ?string $navigationGroup = 'Settings';

    protected static ?int $navigationSort = 1;

    protected static string $view = 'filament::page';

    public function mount(): void
    {
        $this->fillForms();
    }

    protected function getFormSchema(): array
    {
        return [
            Forms\Components\TextInput::make('vat_rate')
                ->label('VAT Rate')
                ->required()
                ->numeric()
                ->step(0.01)
                ->default(0.09)
                ->helperText('Example: 0.09 for 9%')
                ->live(),
            Forms\Components\TextInput::make('packing_cost_default')
                ->label('Default Packing Cost (IRR)')
                ->required()
                ->numeric()
                ->default(100000),
            Forms\Components\TextInput::make('profit_margin')
                ->label('Profit Margin')
                ->required()
                ->numeric()
                ->step(0.01)
                ->default(1.25)
                ->helperText('Example: 1.25 for 25% margin'),
            Forms\Components\TextInput::make('aed_to_irr')
                ->label('AED to IRR')
                ->required()
                ->numeric()
                ->default(455000),
            Forms\Components\TextInput::make('usd_to_irr')
                ->label('USD to IRR')
                ->required()
                ->numeric()
                ->default(0),
            Forms\Components\TextInput::make('cny_to_irr')
                ->label('CNY to IRR')
                ->required()
                ->numeric()
                ->default(0),
            Forms\Components\TextInput::make('eur_to_irr')
                ->label('EUR to IRR')
                ->required()
                ->numeric()
                ->default(0),
        ];
    }

    protected function mutateFormDataBeforeSave(array $data): array
    {
        $userId = auth()->id();

        foreach ($data as $key => $value) {
            if (is_numeric($value)) {
                SystemSetting::updateOrCreate(
                    ['key' => $key],
                    ['value' => $value, 'updated_by' => $userId]
                );
            }
        }

        return [];
    }

    protected function fillForms(): void
    {
        $settings = SystemSetting::all()->pluck('value', 'key')->toArray();

        $defaults = [
            'vat_rate' => 0.09,
            'packing_cost_default' => 100000,
            'profit_margin' => 1.25,
            'aed_to_irr' => 455000,
            'usd_to_irr' => 0,
            'cny_to_irr' => 0,
            'eur_to_irr' => 0,
        ];

        $this->data = array_merge($defaults, $settings);
    }

    protected function getFormStatePath(): string
    {
        return 'data';
    }
}