<?php

declare(strict_types=1);

namespace Tests\Feature\FormBuilder\Bindings;

use App\Enums\FormBuilder\FormPurpose;
use App\Exceptions\FormBuilder\FailureNotRetriableException;
use App\FormBuilder\Bindings\BindingPassResult;
use App\FormBuilder\Bindings\FormBindingApplicator;
use App\Models\FormBuilder\FormSchema;
use App\Models\FormBuilder\FormSubmission;
use App\Models\FormBuilder\FormSubmissionActionFailure;
use App\Models\FormBuilder\FormSubmissionActionFailureRetryAttempt;
use App\Models\Organisation;
use App\Models\User;
use App\Services\FormBuilder\FormFailureRetryService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use RuntimeException;
use Tests\TestCase;

/**
 * Sessie 3c — covers the integration between FormFailureRetryService,
 * the parent FormSubmissionActionFailure model, and the new
 * FormSubmissionActionFailureRetryAttempt records.
 */
final class RetryFlowProducesRetryAttemptsTest extends TestCase
{
    use RefreshDatabase;

    private function makeFailure(): FormSubmissionActionFailure
    {
        $org = Organisation::factory()->create();
        $schema = FormSchema::factory()->create([
            'organisation_id' => $org->id,
            'purpose' => FormPurpose::EVENT_REGISTRATION->value,
        ]);
        $submission = FormSubmission::factory()->create([
            'form_schema_id' => $schema->id,
            'organisation_id' => $org->id,
        ]);

        return FormSubmissionActionFailure::factory()
            ->for($submission, 'submission')
            ->create([
                'exception_class' => 'OriginalException',
                'exception_message' => 'first failure message',
            ]);
    }

    /**
     * @param  callable(FormSubmission, ?string): BindingPassResult  $apply
     */
    private function bindApplicator(callable $apply): void
    {
        // The applicator is `class` (not final/not readonly) specifically so
        // listener tests can extend and override apply(). We use the same
        // override mechanism here. Properties on the parent are readonly
        // promoted constructor params; we skip parent::__construct because
        // we override the ONLY method (apply) that touches them.
        $stub = new class($apply) extends FormBindingApplicator {
            /** @var callable(FormSubmission, ?string): BindingPassResult */
            private $apply;

            /** @param  callable(FormSubmission, ?string): BindingPassResult  $apply */
            public function __construct(callable $apply)
            {
                $this->apply = $apply;
            }

            public function apply(FormSubmission $submission, ?string $sectionId = null): BindingPassResult
            {
                return ($this->apply)($submission, $sectionId);
            }
        };
        $this->app->instance(FormBindingApplicator::class, $stub);
    }

    public function test_successful_retry_creates_succeeded_attempt_and_resolves_parent(): void
    {
        $failure = $this->makeFailure();
        $actor = User::factory()->create(['first_name' => 'Maud', 'last_name' => 'Admin']);

        // Applicator returns a real BindingPassResult that maps to COMPLETED.
        $this->bindApplicator(fn (): BindingPassResult => new BindingPassResult(
            formSubmissionId: (string) $failure->form_submission_id,
            provisionedSubjectType: 'person',
            provisionedSubjectId: (string) \Illuminate\Support\Str::ulid(),
            applications: [],
        ));

        $service = $this->app->make(FormFailureRetryService::class);
        $result = $service->retry($failure, $actor);

        $this->assertSame('succeeded', $result['outcome']);

        $failure->refresh();
        $this->assertNotNull($failure->resolved_at);
        $this->assertSame((string) $actor->id, (string) $failure->resolved_by_user_id);
        $this->assertSame('Geslaagde retry door Maud Admin', $failure->resolved_note);
        $this->assertSame(1, $failure->retry_count);

        $attempts = FormSubmissionActionFailureRetryAttempt::query()
            ->where('form_submission_action_failure_id', $failure->id)
            ->get();
        $this->assertCount(1, $attempts);
        $this->assertSame('succeeded', $attempts[0]->outcome);
        $this->assertNull($attempts[0]->exception_class);

        // Parent's original exception fields stay audit-immutable.
        $this->assertSame('OriginalException', $failure->exception_class);
        $this->assertSame('first failure message', $failure->exception_message);
    }

    public function test_failed_retry_creates_failed_attempt_and_keeps_parent_open(): void
    {
        $failure = $this->makeFailure();

        $this->bindApplicator(function (): never {
            throw new RuntimeException('NEW exception on retry');
        });

        $service = $this->app->make(FormFailureRetryService::class);
        $result = $service->retry($failure);

        $this->assertSame('failed', $result['outcome']);

        $failure->refresh();
        $this->assertNull($failure->resolved_at);
        $this->assertNull($failure->dismissed_at);
        $this->assertSame(1, $failure->retry_count);
        // Parent's original exception fields untouched (audit-immutable).
        $this->assertSame('OriginalException', $failure->exception_class);
        $this->assertSame('first failure message', $failure->exception_message);

        $attempts = FormSubmissionActionFailureRetryAttempt::query()
            ->where('form_submission_action_failure_id', $failure->id)
            ->get();
        $this->assertCount(1, $attempts);
        $this->assertSame('failed', $attempts[0]->outcome);
        $this->assertSame(RuntimeException::class, $attempts[0]->exception_class);
        $this->assertSame('NEW exception on retry', $attempts[0]->exception_message);
    }

    public function test_retry_on_resolved_failure_throws(): void
    {
        $failure = $this->makeFailure();
        $failure->update(['resolved_at' => now(), 'resolved_note' => 'manual fix']);

        $service = $this->app->make(FormFailureRetryService::class);

        $this->expectException(FailureNotRetriableException::class);
        $service->retry($failure);
    }

    public function test_retry_on_dismissed_failure_throws(): void
    {
        $failure = $this->makeFailure();
        $failure->update([
            'dismissed_at' => now(),
            'dismissed_reason_type' => 'schema_deleted',
        ]);

        $service = $this->app->make(FormFailureRetryService::class);

        $this->expectException(FailureNotRetriableException::class);
        $service->retry($failure);
    }

    public function test_multiple_retries_produce_chronologically_ordered_attempts(): void
    {
        $failure = $this->makeFailure();

        $callCount = 0;
        $this->bindApplicator(function () use (&$callCount): never {
            $callCount++;
            throw new RuntimeException("attempt #{$callCount}");
        });

        $service = $this->app->make(FormFailureRetryService::class);
        $service->retry($failure);
        $failure->refresh();
        $service->retry($failure);
        $failure->refresh();
        $service->retry($failure);

        $failure->refresh();
        $this->assertSame(3, $failure->retry_count);
        $this->assertNull($failure->resolved_at);

        $attempts = FormSubmissionActionFailureRetryAttempt::query()
            ->where('form_submission_action_failure_id', $failure->id)
            ->oldest('attempted_at')
            ->get();
        $this->assertCount(3, $attempts);
        $this->assertSame('attempt #1', $attempts[0]->exception_message);
        $this->assertSame('attempt #2', $attempts[1]->exception_message);
        $this->assertSame('attempt #3', $attempts[2]->exception_message);
    }

    public function test_can_be_retried_blocks_resolved_state(): void
    {
        $failure = $this->makeFailure();
        $this->assertTrue($failure->canBeRetried());

        $failure->update(['resolved_at' => now()]);
        $this->assertFalse($failure->fresh()->canBeRetried());
    }

    public function test_can_be_retried_blocks_dismissed_state(): void
    {
        $failure = $this->makeFailure();
        $failure->update(['dismissed_at' => now(), 'dismissed_reason_type' => 'schema_deleted']);

        $this->assertFalse($failure->fresh()->canBeRetried());
    }

}