<?php

namespace App\Jobs;

use App\Enums\SerpCheckStatus;
use App\Models\SerpCheck;
use App\Serp\Contracts\AsyncSerpProvider;
use App\Serp\Exceptions\SerpProviderException;
use App\Serp\Exceptions\UnexpectedProviderResponseException;
use App\Serp\Operations\OperationAuditLogger;
use App\Serp\SerpProviderRegistry;
use App\Services\SerpResultPersister;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Facades\Cache;
use Throwable;

class PollSerpCheck implements ShouldQueue
{
    use Dispatchable,InteractsWithQueue,Queueable,SerializesModels;

    public int $tries = 3;

    public int $timeout = 60;

    public array $backoff = [10, 60, 300];

    public function __construct(public readonly string $checkUlid) {}

    public function handle(SerpProviderRegistry $registry, SerpResultPersister $persister, ?OperationAuditLogger $audit = null): void
    {
        $audit ??= app(OperationAuditLogger::class);
        Cache::lock('serp-poll:'.$this->checkUlid, 75)->block(1, function () use ($registry, $persister, $audit) {
            $c = SerpCheck::where('ulid', $this->checkUlid)->firstOrFail();
            if (in_array($c->status, [SerpCheckStatus::Completed, SerpCheckStatus::Failed], true)) {
                return;
            }if ($c->status !== SerpCheckStatus::Running || ! $c->provider_reference) {
                $c->fail('provider_task_missing', 'SERP kontrolü tamamlanamadı.');

                return;
            }$attempts = $c->provider_poll_attempts + 1;
            $c->forceFill(['provider_poll_attempts' => $attempts, 'provider_last_polled_at' => now(), 'provider_next_poll_at' => null])->save();
            if ($attempts > (int) config('serp.dataforseo.poll_max_attempts') || $c->provider_task_posted_at?->lt(now()->subMinutes((int) config('serp.dataforseo.max_task_age_minutes')))) {
                $c->fail('provider_task_expired', 'SERP kontrolü zamanında tamamlanamadı.');
                $audit->record('poll_exhausted', ['check_ulid' => $c->ulid, 'attempt' => $attempts, 'error_category' => 'poll_exhausted']);

                return;
            }try {
                $p = $registry->resolve($c->provider);
                if (! $p instanceof AsyncSerpProvider) {
                    throw new UnexpectedProviderResponseException('Provider does not support standard mode.');
                }$result = $p->collect($c->provider_reference, 10);
                $c->forceFill(['provider_status_code' => $result->statusCode])->save();
                if (! $result->ready) {
                    $delay = (int) config('serp.dataforseo.poll_interval') * min($attempts, 4);
                    $at = now()->addSeconds($delay);
                    $c->forceFill(['provider_next_poll_at' => $at])->save();
                    self::dispatch($c->ulid)->delay($at)->onQueue(config('serp.queue'));
                    $audit->record('poll_not_ready', ['check_ulid' => $c->ulid, 'attempt' => $attempts]);

                    return;
                }$persister->complete($c, $result->response, ['provider_cost' => $c->provider_cost ?? $result->cost, 'provider_cost_currency' => $result->currency, 'provider_status_code' => $result->statusCode, 'provider_next_poll_at' => null]);
                $audit->record('poll_completed', ['check_ulid' => $c->ulid, 'attempt' => $attempts, 'result_count' => count($result->response->results)]);
            } catch (SerpProviderException $e) {
                $audit->record('poll_failed', ['check_ulid' => $c->ulid, 'attempt' => $attempts, 'error_category' => $e->safeCode()]);
                if ($e->retryable()) {
                    throw $e;
                }$c->fail($e->safeCode(), $e->safeMessage());
            } catch (Throwable) {
                $c->fail('unexpected_error', 'SERP kontrolü tamamlanamadı.');
            }
        });
    }

    public function failed(?Throwable $e): void
    {
        $c = SerpCheck::where('ulid', $this->checkUlid)->first();
        if ($c && $e instanceof SerpProviderException) {
            $c->fail($e->safeCode(), $e->safeMessage());
        } elseif ($c) {
            $c->fail('job_failed', 'SERP kontrolü tamamlanamadı.');
        }
    }

    public function tags(): array
    {
        return ['serp-check:'.$this->checkUlid, 'serp-mode:standard-poll'];
    }
}