<?php

declare(strict_types=1);

namespace Tests\Feature\FormBuilder\ConditionalLogic;

use App\Models\FormBuilder\FormField;
use App\Models\FormBuilder\FormFieldConditionalLogicCondition;
use App\Models\FormBuilder\FormFieldConditionalLogicGroup;
use App\Models\FormBuilder\FormSchema;
use App\Models\Organisation;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\DB;
use Tests\TestCase;

final class FormFieldConditionalLogicCascadeTest extends TestCase
{
    use RefreshDatabase;

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

        $root = FormFieldConditionalLogicGroup::factory()->forField($field)->create();
        $child = FormFieldConditionalLogicGroup::factory()->nestedUnder($root, 0)->create();
        FormFieldConditionalLogicCondition::factory()->inGroup($root, 0)->create();
        FormFieldConditionalLogicCondition::factory()->inGroup($child, 0)->create();

        $this->assertSame(2, FormFieldConditionalLogicGroup::query()->count());
        $this->assertSame(2, FormFieldConditionalLogicCondition::query()->count());

        // Hard delete via raw query bypasses SoftDeletes — exercises the
        // DB-level `ON DELETE CASCADE` on `form_field_id`.
        DB::table('form_fields')->where('id', $field->id)->delete();

        $this->assertSame(0, FormFieldConditionalLogicGroup::query()->count());
        $this->assertSame(0, FormFieldConditionalLogicCondition::query()->count());
    }

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

        $root = FormFieldConditionalLogicGroup::factory()->forField($field)->create();
        FormFieldConditionalLogicCondition::factory()->inGroup($root, 0)->create();

        $field->delete();

        // Soft delete keeps the `form_fields` row (deleted_at set) but the
        // cascade observer physically clears child rows — conditional-logic
        // state is current state, not audit.
        $this->assertNotNull($field->fresh()->deleted_at);
        $this->assertSame(0, FormFieldConditionalLogicGroup::query()->count());
        $this->assertSame(0, FormFieldConditionalLogicCondition::query()->count());
    }

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

        $root = FormFieldConditionalLogicGroup::factory()->forField($field)->create();
        $child = FormFieldConditionalLogicGroup::factory()->nestedUnder($root, 0)->create();
        FormFieldConditionalLogicCondition::factory()->inGroup($root, 0)->create();
        FormFieldConditionalLogicCondition::factory()->inGroup($child, 0)->create();

        $this->assertSame(2, FormFieldConditionalLogicGroup::query()->count());
        $this->assertSame(2, FormFieldConditionalLogicCondition::query()->count());

        $root->delete();

        $this->assertSame(0, FormFieldConditionalLogicGroup::query()->count());
        $this->assertSame(0, FormFieldConditionalLogicCondition::query()->count());
    }
}