<?php

declare(strict_types=1);

namespace App\Observers\FormBuilder;

use App\Models\FormBuilder\FormField;
use App\Models\FormBuilder\FormFieldLibrary;
use Illuminate\Support\Facades\DB;

/**
 * Cascade deletion of `form_field_bindings` rows when their polymorphic
 * owner is deleted. Bindings represent current state (not historical
 * intent) — they are physically deleted even when the owner is only
 * soft-deleted, which matches the Q3 decision that bindings have no
 * soft-delete semantic of their own.
 */
final class FormFieldBindingsCascadeObserver
{
    public function deleted(FormField|FormFieldLibrary $owner): void
    {
        $ownerType = $owner instanceof FormField ? 'form_field' : 'form_field_library';

        DB::table('form_field_bindings')
            ->where('owner_type', $ownerType)
            ->where('owner_id', $owner->getKey())
            ->delete();
    }
}