<?php

declare(strict_types=1);

namespace Tests\Feature\FormBuilder;

use App\Enums\FormBuilder\FormFieldType;
use App\Enums\FormBuilder\FormSubmissionStatus;
use App\Models\FormBuilder\FormField;
use App\Models\FormBuilder\FormSchema;
use App\Models\FormBuilder\FormSubmission;
use App\Models\Organisation;
use App\Models\User;
use Database\Seeders\RoleSeeder;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Laravel\Sanctum\Sanctum;
use Tests\TestCase;

final class FormFieldApiTest extends TestCase
{
    use RefreshDatabase;

    private Organisation $org;

    private User $admin;

    private FormSchema $schema;

    protected function setUp(): void
    {
        parent::setUp();
        $this->seed(RoleSeeder::class);
        $this->org = Organisation::factory()->create();
        $this->admin = User::factory()->create();
        $this->org->users()->attach($this->admin, ['role' => 'org_admin']);
        $this->schema = FormSchema::factory()->create(['organisation_id' => $this->org->id]);
    }

    public function test_store_creates_field(): void
    {
        Sanctum::actingAs($this->admin);

        $response = $this->postJson("/api/v1/organisations/{$this->org->id}/forms/schemas/{$this->schema->id}/fields", [
            'field_type' => FormFieldType::SELECT->value,
            'slug' => 'shirtmaat',
            'label' => 'Shirtmaat',
            'options' => [
                ['value' => 'XS', 'label' => 'XS', 'sort_order' => 0],
                ['value' => 'S', 'label' => 'S', 'sort_order' => 1],
                ['value' => 'M', 'label' => 'M', 'sort_order' => 2],
                ['value' => 'L', 'label' => 'L', 'sort_order' => 3],
            ],
        ]);

        $response->assertCreated();
        $this->assertSame('Shirtmaat', $response->json('data.label'));
    }

    public function test_reorder_applies_new_order(): void
    {
        Sanctum::actingAs($this->admin);
        $fieldA = FormField::factory()->create(['form_schema_id' => $this->schema->id, 'sort_order' => 0]);
        $fieldB = FormField::factory()->create(['form_schema_id' => $this->schema->id, 'sort_order' => 1]);

        $this->postJson(
            "/api/v1/organisations/{$this->org->id}/forms/schemas/{$this->schema->id}/fields/reorder",
            ['field_ids' => [$fieldB->id, $fieldA->id]],
        )->assertOk();

        $this->assertSame(0, $fieldB->fresh()->sort_order);
        $this->assertSame(1, $fieldA->fresh()->sort_order);
    }

    public function test_binding_change_blocked_without_force_when_submissions_exist(): void
    {
        Sanctum::actingAs($this->admin);
        $field = FormField::factory()->create([
            'form_schema_id' => $this->schema->id,
        ]);
        FormSubmission::factory()->create([
            'form_schema_id' => $this->schema->id,
            'status' => FormSubmissionStatus::SUBMITTED->value,
        ]);

        $response = $this->putJson(
            "/api/v1/organisations/{$this->org->id}/forms/schemas/{$this->schema->id}/fields/{$field->id}",
            ['binding' => ['mode' => 'entity_owned', 'entity' => 'user_profile', 'column' => 'bio']],
        );

        $response->assertStatus(422);
        $this->assertStringContainsString('Binding change blocked', (string) $response->json('message'));
    }

    public function test_binding_change_with_force_succeeds(): void
    {
        Sanctum::actingAs($this->admin);
        $field = FormField::factory()->create([
            'form_schema_id' => $this->schema->id,
        ]);
        FormSubmission::factory()->create([
            'form_schema_id' => $this->schema->id,
            'status' => FormSubmissionStatus::SUBMITTED->value,
        ]);

        $this->putJson(
            "/api/v1/organisations/{$this->org->id}/forms/schemas/{$this->schema->id}/fields/{$field->id}",
            [
                'binding' => ['mode' => 'entity_owned', 'entity' => 'user_profile', 'column' => 'bio'],
                'force_binding_change' => true,
            ],
        )->assertOk();
    }

    public function test_cyclic_conditional_logic_is_rejected(): void
    {
        Sanctum::actingAs($this->admin);

        // field A depends on field B — relational rows via factory helper
        // (WS-5c commit 2 moved cycle detection to the relational-backed
        // `FormFieldConditionalLogicService::assertNoCycles`).
        $fieldA = FormField::factory()
            ->withConditionalLogic([
                'operator' => 'all',
                'children' => [
                    ['field_slug' => 'b', 'operator' => 'equals', 'value' => true],
                ],
            ])
            ->create([
                'form_schema_id' => $this->schema->id,
                'slug' => 'a',
            ]);
        $fieldB = FormField::factory()->create(['form_schema_id' => $this->schema->id, 'slug' => 'b']);

        // Updating fieldB to depend on fieldA would close the A → B → A loop.
        $response = $this->putJson(
            "/api/v1/organisations/{$this->org->id}/forms/schemas/{$this->schema->id}/fields/{$fieldB->id}",
            ['conditional_logic' => ['show_when' => ['all' => [['field_slug' => 'a', 'operator' => 'equals', 'value' => true]]]]],
        );

        $response->assertStatus(422);
        $this->assertStringContainsString('Cyclic', (string) $response->json('message'));
    }

    public function test_unauthenticated_returns_401(): void
    {
        $this->postJson("/api/v1/organisations/{$this->org->id}/forms/schemas/{$this->schema->id}/fields", [
            'field_type' => FormFieldType::TEXT->value,
            'slug' => 'x',
            'label' => 'X',
        ])->assertStatus(401);
    }
}