<?php

declare(strict_types=1);

namespace Tests\Unit\Actions;

use App\Actions\RegisterDiscoveredPageAction;
use App\Enums\PageStatusEnum;
use App\Models\Page;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Lvl0\FediDiscover\Config\InstanceType;
use Lvl0\FediDiscover\Models\Instance;
use Tests\TestCase;

class RegisterDiscoveredPageActionTest extends TestCase
{
    use RefreshDatabase;

    public function test_creates_page_with_url_and_discovered_status(): void
    {
        $action = new RegisterDiscoveredPageAction;

        $page = $action('https://example.com/article');

        $this->assertInstanceOf(Page::class, $page);
        $this->assertSame('https://example.com/article', $page->url);
        $this->assertSame(PageStatusEnum::Discovered, $page->status);
        $this->assertNull($page->instance_id);
        $this->assertDatabaseHas('pages', ['url' => 'https://example.com/article']);
    }

    public function test_creates_page_with_provided_instance_id(): void
    {
        $instance = Instance::factory()
            ->type(InstanceType::Mastodon)
            ->enabled()
            ->create();

        $action = new RegisterDiscoveredPageAction;

        $page = $action('https://example.com/fediverse-post', instanceId: $instance->id);

        $this->assertInstanceOf(Page::class, $page);
        $this->assertSame($instance->id, $page->instance_id);
        $this->assertDatabaseHas('pages', [
            'url' => 'https://example.com/fediverse-post',
            'instance_id' => $instance->id,
        ]);
    }

    public function test_returns_existing_page_when_url_already_exists(): void
    {
        $existing = Page::factory()->createQuietly([
            'url' => 'https://example.com/seen-before',
            'status' => PageStatusEnum::Discovered,
        ]);

        $action = new RegisterDiscoveredPageAction;

        $returned = $action('https://example.com/seen-before');

        $this->assertSame($existing->id, $returned->id);
        $this->assertDatabaseCount('pages', 1);
    }

    public function test_existing_page_status_not_overwritten_on_duplicate_call(): void
    {
        Page::factory()->createQuietly([
            'url' => 'https://example.com/already-fetched',
            'status' => PageStatusEnum::Fetched,
        ]);

        $action = new RegisterDiscoveredPageAction;

        $returned = $action('https://example.com/already-fetched');

        $this->assertSame(PageStatusEnum::Fetched, $returned->status);
        $this->assertDatabaseHas('pages', [
            'url' => 'https://example.com/already-fetched',
            'status' => PageStatusEnum::Fetched,
        ]);
    }
}