<?php

namespace Tests\Feature;

use App\Events\ArticleApproved;
use App\Events\ArticleReadyToPublish;
use App\Events\ExceptionLogged;
use App\Events\ExceptionOccurred;
use App\Events\NewArticleFetched;
use App\Jobs\ArticleDiscoveryJob;
use App\Jobs\ArticleDiscoveryForFeedJob;
use App\Jobs\PublishToLemmyJob;
use App\Jobs\SyncChannelPostsJob;
use App\Listeners\LogExceptionToDatabase;
use App\Listeners\PublishApprovedArticle;
use App\Listeners\PublishArticle;
use App\Listeners\ValidateArticleListener;
use App\Models\Article;
use App\Models\Feed;
use App\Models\PlatformChannel;
use App\Models\Log;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Event;
use Illuminate\Support\Facades\Queue;
use Tests\TestCase;

class JobsAndEventsTest extends TestCase
{
    use RefreshDatabase;

    public function test_article_discovery_job_processes_successfully(): void
    {
        Queue::fake();
        
        $feed = Feed::factory()->create(['is_active' => true]);
        
        $job = new ArticleDiscoveryJob();
        $job->handle();
        
        // Should dispatch individual feed jobs
        Queue::assertPushed(ArticleDiscoveryForFeedJob::class);
    }

    public function test_article_discovery_for_feed_job_processes_feed(): void
    {
        Event::fake();
        
        $feed = Feed::factory()->create([
            'url' => 'https://example.com/feed',
            'is_active' => true
        ]);
        
        $job = new ArticleDiscoveryForFeedJob($feed);
        
        // Mock the external dependency behavior
        $this->app->bind(\App\Services\Article\ArticleFetcher::class, function () {
            $mock = \Mockery::mock(\App\Services\Article\ArticleFetcher::class);
            $mock->shouldReceive('fetchArticles')->andReturn([
                ['title' => 'Test Article', 'url' => 'https://example.com/article1'],
                ['title' => 'Another Article', 'url' => 'https://example.com/article2']
            ]);
            return $mock;
        });
        
        $job->handle();
        
        // Should create articles and fire events
        $this->assertCount(2, Article::all());
        Event::assertDispatched(NewArticleFetched::class, 2);
    }

    public function test_sync_channel_posts_job_processes_successfully(): void
    {
        $channel = PlatformChannel::factory()->create();
        
        $job = new SyncChannelPostsJob($channel);
        
        // Mock the external dependency
        $this->app->bind(\App\Modules\Lemmy\Services\LemmyApiService::class, function () {
            $mock = \Mockery::mock(\App\Modules\Lemmy\Services\LemmyApiService::class);
            $mock->shouldReceive('getChannelPosts')->andReturn([]);
            return $mock;
        });
        
        $result = $job->handle();
        
        $this->assertTrue($result);
    }

    public function test_publish_to_lemmy_job_has_correct_configuration(): void
    {
        $article = Article::factory()->create();
        
        $job = new PublishToLemmyJob($article);
        
        $this->assertEquals('lemmy-posts', $job->queue);
        $this->assertInstanceOf(PublishToLemmyJob::class, $job);
    }

    public function test_new_article_fetched_event_is_dispatched(): void
    {
        Event::fake();
        
        $feed = Feed::factory()->create();
        $article = Article::factory()->create(['feed_id' => $feed->id]);
        
        event(new NewArticleFetched($article));
        
        Event::assertDispatched(NewArticleFetched::class, function (NewArticleFetched $event) use ($article) {
            return $event->article->id === $article->id;
        });
    }

    public function test_article_approved_event_is_dispatched(): void
    {
        Event::fake();
        
        $article = Article::factory()->create();
        
        event(new ArticleApproved($article));
        
        Event::assertDispatched(ArticleApproved::class, function (ArticleApproved $event) use ($article) {
            return $event->article->id === $article->id;
        });
    }

    public function test_article_ready_to_publish_event_is_dispatched(): void
    {
        Event::fake();
        
        $article = Article::factory()->create();
        
        event(new ArticleReadyToPublish($article));
        
        Event::assertDispatched(ArticleReadyToPublish::class, function (ArticleReadyToPublish $event) use ($article) {
            return $event->article->id === $article->id;
        });
    }

    public function test_exception_occurred_event_is_dispatched(): void
    {
        Event::fake();
        
        $exception = new \Exception('Test exception');
        
        event(new ExceptionOccurred($exception, ['context' => 'test']));
        
        Event::assertDispatched(ExceptionOccurred::class, function (ExceptionOccurred $event) {
            return $event->exception->getMessage() === 'Test exception';
        });
    }

    public function test_exception_logged_event_is_dispatched(): void
    {
        Event::fake();
        
        $logData = [
            'level' => 'error',
            'message' => 'Test error',
            'context' => ['key' => 'value']
        ];
        
        event(new ExceptionLogged($logData));
        
        Event::assertDispatched(ExceptionLogged::class, function (ExceptionLogged $event) use ($logData) {
            return $event->logData['message'] === 'Test error';
        });
    }

    public function test_validate_article_listener_processes_new_article(): void
    {
        Event::fake([ArticleReadyToPublish::class]);
        
        $feed = Feed::factory()->create();
        $article = Article::factory()->create([
            'feed_id' => $feed->id,
            'is_valid' => null,
            'validated_at' => null
        ]);
        
        $listener = new ValidateArticleListener();
        $event = new NewArticleFetched($article);
        
        $listener->handle($event);
        
        $article->refresh();
        $this->assertNotNull($article->validated_at);
        $this->assertNotNull($article->is_valid);
    }

    public function test_publish_approved_article_listener_queues_job(): void
    {
        Queue::fake();
        
        $article = Article::factory()->create([
            'approval_status' => 'approved',
            'is_valid' => true,
            'validated_at' => now()
        ]);
        
        $listener = new PublishApprovedArticle();
        $event = new ArticleApproved($article);
        
        $listener->handle($event);
        
        Event::assertDispatched(ArticleReadyToPublish::class);
    }

    public function test_publish_article_listener_queues_publish_job(): void
    {
        Queue::fake();
        
        $article = Article::factory()->create([
            'is_valid' => true,
            'validated_at' => now()
        ]);
        
        $listener = new PublishArticle();
        $event = new ArticleReadyToPublish($article);
        
        $listener->handle($event);
        
        Queue::assertPushed(PublishToLemmyJob::class, function (PublishToLemmyJob $job) use ($article) {
            return $job->article->id === $article->id;
        });
    }

    public function test_log_exception_to_database_listener_creates_log(): void
    {
        $logData = [
            'level' => 'error',
            'message' => 'Test exception message',
            'context' => json_encode(['error' => 'details'])
        ];
        
        $listener = new LogExceptionToDatabase();
        $event = new ExceptionLogged($logData);
        
        $listener->handle($event);
        
        $this->assertDatabaseHas('logs', [
            'level' => 'error',
            'message' => 'Test exception message'
        ]);
        
        $log = Log::where('message', 'Test exception message')->first();
        $this->assertNotNull($log);
        $this->assertEquals('error', $log->level);
    }

    public function test_event_listener_registration_works(): void
    {
        // Test that events are properly bound to listeners
        $listeners = Event::getListeners(NewArticleFetched::class);
        $this->assertNotEmpty($listeners);
        
        $listeners = Event::getListeners(ArticleApproved::class);
        $this->assertNotEmpty($listeners);
        
        $listeners = Event::getListeners(ArticleReadyToPublish::class);
        $this->assertNotEmpty($listeners);
        
        $listeners = Event::getListeners(ExceptionLogged::class);
        $this->assertNotEmpty($listeners);
    }

    public function test_job_retry_configuration(): void
    {
        $article = Article::factory()->create();
        
        $job = new PublishToLemmyJob($article);
        
        // Test that job has retry configuration
        $this->assertObjectHasProperty('tries', $job);
        $this->assertObjectHasProperty('backoff', $job);
    }

    public function test_job_queue_configuration(): void
    {
        $feed = Feed::factory()->create();
        $channel = PlatformChannel::factory()->create();
        $article = Article::factory()->create();
        
        $discoveryJob = new ArticleDiscoveryJob();
        $feedJob = new ArticleDiscoveryForFeedJob($feed);
        $publishJob = new PublishToLemmyJob($article);
        $syncJob = new SyncChannelPostsJob($channel);
        
        // Test queue assignments
        $this->assertEquals('default', $discoveryJob->queue ?? 'default');
        $this->assertEquals('discovery', $feedJob->queue ?? 'discovery');
        $this->assertEquals('lemmy-posts', $publishJob->queue);
        $this->assertEquals('sync', $syncJob->queue ?? 'sync');
    }

    protected function tearDown(): void
    {
        \Mockery::close();
        parent::tearDown();
    }
}