<?php

declare(strict_types=1);

namespace Tests\Feature;

use App\Models\Page;
use App\Models\PageCrawl;
use App\Services\UrlService;

class PageQueuePopulationTest extends TestCase
{
    public function test_creating_a_page_inserts_a_page_crawl_row(): void
    {
        $url = 'https://example-blog.com/article';

        $page = Page::factory()->create(['url' => $url]);

        $expectedDomain = (new UrlService)->host($url);

        $this->assertDatabaseHas('page_crawls', [
            'page_id' => $page->id,
            'domain' => $expectedDomain,
            'priority' => 0,
        ]);

        $crawl = PageCrawl::where('page_id', $page->id)->first();
        $this->assertNotNull($crawl);
    }

    public function test_first_or_create_with_existing_url_does_not_insert_duplicate_crawl(): void
    {
        $url = 'https://example-blog.com/article';

        Page::factory()->create(['url' => $url]);

        // Finds the existing row — created event does not fire again
        Page::firstOrCreate(['url' => $url], ['status' => 'discovered']);

        $this->assertDatabaseCount('page_crawls', 1);
    }

    public function test_updating_a_page_does_not_insert_another_crawl(): void
    {
        $page = Page::factory()->create(['url' => 'https://example-blog.com/article']);

        $page->update(['title' => 'New Title']);

        $this->assertDatabaseCount('page_crawls', 1);
    }

    public function test_bad_url_throws_exception_page_persists_no_crawl_inserted(): void
    {
        $caught = null;

        try {
            Page::create(['url' => 'not-a-url', 'status' => 'discovered']);
        } catch (\InvalidArgumentException $e) {
            $caught = $e;
        }

        $this->assertNotNull($caught, 'Expected InvalidArgumentException to be thrown');
        $this->assertDatabaseHas('pages', ['url' => 'not-a-url']);
        $this->assertDatabaseCount('page_crawls', 0);
    }
}