<?php

declare(strict_types=1);

namespace Tests\Feature\FormBuilder\ValidationRules;

use App\Models\FormBuilder\FormField;
use App\Models\FormBuilder\FormFieldBinding;
use App\Models\FormBuilder\FormFieldLibrary;
use App\Models\FormBuilder\FormFieldValidationRule;
use App\Models\FormBuilder\FormSchema;
use App\Models\Organisation;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

/**
 * Asserts that the renamed `FormFieldChildTablesCascadeObserver` cleans up
 * validation-rule rows alongside binding rows when the owner is deleted.
 */
final class FormFieldValidationRuleCascadeTest extends TestCase
{
    use RefreshDatabase;

    public function test_soft_delete_of_field_cascades_validation_rules(): void
    {
        $org = Organisation::factory()->create();
        $schema = FormSchema::factory()->create(['organisation_id' => $org->id]);
        $field = FormField::factory()->create(['form_schema_id' => $schema->id]);

        FormFieldValidationRule::factory()->forField($field)->create();
        FormFieldValidationRule::factory()
            ->forField($field)
            ->ofType(\App\Enums\FormBuilder\FormFieldValidationRuleType::MaxLength, ['value' => 10])
            ->create();

        $this->assertSame(2, FormFieldValidationRule::query()
            ->withoutGlobalScopes()
            ->where('owner_type', 'form_field')
            ->where('owner_id', $field->id)
            ->count(),
        );

        $field->delete(); // soft delete on FormField

        $this->assertSame(0, FormFieldValidationRule::query()
            ->withoutGlobalScopes()
            ->where('owner_type', 'form_field')
            ->where('owner_id', $field->id)
            ->count(),
        );
    }

    public function test_delete_of_library_entry_cascades_validation_rules(): void
    {
        $org = Organisation::factory()->create();
        $library = FormFieldLibrary::factory()->create(['organisation_id' => $org->id]);

        FormFieldValidationRule::factory()->forLibrary($library)->create();

        $this->assertSame(1, FormFieldValidationRule::query()
            ->withoutGlobalScopes()
            ->where('owner_type', 'form_field_library')
            ->where('owner_id', $library->id)
            ->count(),
        );

        $library->delete();

        $this->assertSame(0, FormFieldValidationRule::query()
            ->withoutGlobalScopes()
            ->where('owner_type', 'form_field_library')
            ->where('owner_id', $library->id)
            ->count(),
        );
    }

    public function test_deleting_one_field_does_not_cascade_others(): void
    {
        $org = Organisation::factory()->create();
        $schema = FormSchema::factory()->create(['organisation_id' => $org->id]);
        $a = FormField::factory()->create(['form_schema_id' => $schema->id]);
        $b = FormField::factory()->create(['form_schema_id' => $schema->id]);

        FormFieldValidationRule::factory()->forField($a)->create();
        FormFieldValidationRule::factory()->forField($b)->create();

        $a->delete();

        $this->assertSame(1, FormFieldValidationRule::query()
            ->withoutGlobalScopes()
            ->where('owner_type', 'form_field')
            ->where('owner_id', $b->id)
            ->count(),
        );
    }

    public function test_cascade_observer_also_cleans_up_bindings_on_same_owner(): void
    {
        // Regression guard after renaming the observer: the combined
        // observer must still clean up binding rows (WS-5a responsibility)
        // not only validation rules (WS-5b addition).
        $org = Organisation::factory()->create();
        $schema = FormSchema::factory()->create(['organisation_id' => $org->id]);
        $field = FormField::factory()->create(['form_schema_id' => $schema->id]);

        FormFieldBinding::factory()->forField($field)->entityOwned('person', 'email')->create();
        FormFieldValidationRule::factory()->forField($field)->create();

        $field->delete();

        $this->assertSame(0, FormFieldBinding::query()
            ->withoutGlobalScopes()
            ->where('owner_type', 'form_field')
            ->where('owner_id', $field->id)
            ->count(),
        );
        $this->assertSame(0, FormFieldValidationRule::query()
            ->withoutGlobalScopes()
            ->where('owner_type', 'form_field')
            ->where('owner_id', $field->id)
            ->count(),
        );
    }
}