<?php

namespace App\Jobs;

use App\Models\KnowledgeItem;
use App\Services\KnowledgeBase\IngestionService;
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\Log;
use Throwable;

/**
 * ReindexKnowledgeItemJob
 *
 * Reindex (re-embed) satu knowledge item ke Qdrant.
 * Berguna bila kandungan FAQ/polisi dikemaskini.
 */
class ReindexKnowledgeItemJob implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

    public int $tries = 3;
    public int $backoff = 30;
    public int $timeout = 120;

    public function __construct(
        private readonly int $knowledgeItemId
    ) {
        $this->onQueue(config('knowledgebase.queue.embedding', 'default'));
    }

    public function handle(IngestionService $ingestionService): void
    {
        $item = KnowledgeItem::with('category')->findOrFail($this->knowledgeItemId);

        Log::info("ReindexKnowledgeItemJob untuk item {$this->knowledgeItemId}");

        $ingestionService->processKnowledgeItem($item);
    }

    public function failed(Throwable $exception): void
    {
        Log::error("ReindexKnowledgeItemJob GAGAL untuk item {$this->knowledgeItemId}", [
            'error' => $exception->getMessage(),
        ]);
    }
}