<?php

namespace App\Jobs;

use App\Models\LandingPageGeneration;
use App\Services\AI\CatalogWebsiteResearch;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Queue\Queueable;
use Illuminate\Support\Facades\Log;
use Throwable;

class DiscoverCatalogSubcategoriesJob implements ShouldQueue
{
    use Queueable;

    public int $timeout = 2000;

    public int $tries = 1;

    public function __construct(public int $generationId) {}

    public function handle(CatalogWebsiteResearch $research): void
    {
        $generation = LandingPageGeneration::query()->findOrFail($this->generationId);

        if ($generation->status !== 'listing_subcategories') {
            return;
        }

        $researchState = $generation->catalogResearch();
        $category = trim((string) ($researchState['category'] ?? ''));

        if ($category === '') {
            $generation->update([
                'status' => 'failed',
                'failure_reason' => 'Pick a category before listing subcategories.',
            ]);

            return;
        }

        try {
            $categoryUrl = filled($researchState['category_url'] ?? null) ? (string) $researchState['category_url'] : null;
            $subcategories = $research->subcategories(
                (string) $generation->brand_url,
                $category,
                $categoryUrl,
            );

            Log::info('Catalog subcategories fetched', [
                'generation_id' => $generation->id,
                'category' => $category,
                'category_url' => $categoryUrl,
                'count' => count($subcategories),
                'subcategories' => $subcategories,
                'skipped_to_products' => $subcategories === [],
            ]);

            $generation->mergeCatalogResearch([
                'subcategories' => $subcategories,
                'empty_reason' => null,
            ]);

            if ($subcategories === []) {
                $generation->update([
                    'status' => 'discovering',
                    'failure_reason' => null,
                ]);

                DiscoverCatalogProductsJob::dispatch($generation->id);

                return;
            }

            $generation->update([
                'status' => 'awaiting_subcategory',
                'failure_reason' => null,
            ]);
        } catch (Throwable $e) {
            $generation->update([
                'status' => 'failed',
                'failure_reason' => $e->getMessage(),
            ]);

            throw $e;
        }
    }
}