<?php

namespace Tests\Feature;

use App\Models\Article;
use App\Models\ArticlePublication;
use App\Models\Feed;
use App\Models\Keyword;
use App\Models\Language;
use App\Models\Log;
use App\Models\PlatformAccount;
use App\Models\PlatformChannel;
use App\Models\PlatformChannelPost;
use App\Models\PlatformInstance;
use App\Models\Route;
use App\Models\Setting;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

class DatabaseIntegrationTest extends TestCase
{
    use RefreshDatabase;

    public function test_user_model_creates_successfully(): void
    {
        $user = User::factory()->create([
            'name' => 'Test User',
            'email' => 'test@example.com'
        ]);

        $this->assertDatabaseHas('users', [
            'name' => 'Test User',
            'email' => 'test@example.com'
        ]);

        $this->assertEquals('Test User', $user->name);
        $this->assertEquals('test@example.com', $user->email);
    }

    public function test_language_model_creates_successfully(): void
    {
        $language = Language::factory()->create([
            'name' => 'English',
            'short_code' => 'en'
        ]);

        $this->assertDatabaseHas('languages', [
            'name' => 'English',
            'short_code' => 'en'
        ]);
    }

    public function test_platform_instance_model_creates_successfully(): void
    {
        $instance = PlatformInstance::factory()->create([
            'name' => 'Test Instance',
            'url' => 'https://test.lemmy.world'
        ]);

        $this->assertDatabaseHas('platform_instances', [
            'name' => 'Test Instance',
            'url' => 'https://test.lemmy.world'
        ]);
    }

    public function test_platform_account_model_creates_successfully(): void
    {
        $account = PlatformAccount::factory()->create([
            'username' => 'testuser',
            'is_active' => true
        ]);

        $this->assertDatabaseHas('platform_accounts', [
            'username' => 'testuser',
            'is_active' => true
        ]);

        $this->assertEquals('testuser', $account->username);
    }

    public function test_platform_channel_model_creates_successfully(): void
    {
        $language = Language::factory()->create();
        $instance = PlatformInstance::factory()->create();
        
        $channel = PlatformChannel::factory()->create([
            'platform_instance_id' => $instance->id,
            'language_id' => $language->id,
            'name' => 'Test Channel',
            'is_active' => true
        ]);

        $this->assertDatabaseHas('platform_channels', [
            'platform_instance_id' => $instance->id,
            'language_id' => $language->id,
            'name' => 'Test Channel',
            'is_active' => true
        ]);

        $this->assertEquals($instance->id, $channel->platformInstance->id);
        $this->assertEquals($language->id, $channel->language->id);
    }

    public function test_feed_model_creates_successfully(): void
    {
        $language = Language::factory()->create();
        
        $feed = Feed::factory()->create([
            'language_id' => $language->id,
            'name' => 'Test Feed',
            'url' => 'https://example.com/feed.rss',
            'is_active' => true
        ]);

        $this->assertDatabaseHas('feeds', [
            'language_id' => $language->id,
            'name' => 'Test Feed',
            'url' => 'https://example.com/feed.rss',
            'is_active' => true
        ]);

        $this->assertEquals($language->id, $feed->language->id);
    }

    public function test_article_model_creates_successfully(): void
    {
        $feed = Feed::factory()->create();
        
        $article = Article::factory()->create([
            'feed_id' => $feed->id,
            'title' => 'Test Article',
            'url' => 'https://example.com/article',
            'approval_status' => 'pending'
        ]);

        $this->assertDatabaseHas('articles', [
            'feed_id' => $feed->id,
            'title' => 'Test Article',
            'url' => 'https://example.com/article',
            'approval_status' => 'pending'
        ]);

        $this->assertEquals($feed->id, $article->feed->id);
    }

    public function test_article_publication_model_creates_successfully(): void
    {
        $article = Article::factory()->create();
        $channel = PlatformChannel::factory()->create();
        
        $publication = ArticlePublication::create([
            'article_id' => $article->id,
            'platform_channel_id' => $channel->id,
            'post_id' => 'test-post-123',
            'published_at' => now(),
            'published_by' => 'test-user'
        ]);

        $this->assertDatabaseHas('article_publications', [
            'article_id' => $article->id,
            'platform_channel_id' => $channel->id,
            'post_id' => 'test-post-123',
            'published_by' => 'test-user'
        ]);

        $this->assertEquals($article->id, $publication->article->id);
        $this->assertEquals($channel->id, $publication->platform_channel_id);
    }

    public function test_route_model_creates_successfully(): void
    {
        $feed = Feed::factory()->create();
        $channel = PlatformChannel::factory()->create();
        
        $route = Route::factory()->create([
            'feed_id' => $feed->id,
            'platform_channel_id' => $channel->id,
            'is_active' => true
        ]);

        $this->assertDatabaseHas('routes', [
            'feed_id' => $feed->id,
            'platform_channel_id' => $channel->id,
            'is_active' => true
        ]);

        $this->assertEquals($feed->id, $route->feed->id);
        $this->assertEquals($channel->id, $route->platformChannel->id);
    }

    public function test_platform_channel_post_model_creates_successfully(): void
    {
        $post = PlatformChannelPost::create([
            'platform' => 'lemmy',
            'channel_id' => 'technology',
            'post_id' => 'external-post-123',
            'title' => 'Test Post',
            'url' => 'https://example.com/post',
            'posted_at' => now()
        ]);

        $this->assertDatabaseHas('platform_channel_posts', [
            'platform' => 'lemmy',
            'channel_id' => 'technology',
            'post_id' => 'external-post-123',
            'title' => 'Test Post'
        ]);

        $this->assertEquals('external-post-123', $post->post_id);
    }

    public function test_keyword_model_creates_successfully(): void
    {
        $feed = Feed::factory()->create();
        $channel = PlatformChannel::factory()->create();
        
        $keyword = Keyword::factory()
            ->forFeed($feed)
            ->forChannel($channel)
            ->create([
                'keyword' => 'test keyword',
                'is_active' => true
            ]);

        $this->assertDatabaseHas('keywords', [
            'keyword' => 'test keyword',
            'is_active' => true,
            'feed_id' => $feed->id,
            'platform_channel_id' => $channel->id
        ]);
    }

    public function test_log_model_creates_successfully(): void
    {
        $log = Log::create([
            'level' => 'info',
            'message' => 'Test log message',
            'context' => json_encode(['key' => 'value']),
            'logged_at' => now()
        ]);

        $this->assertDatabaseHas('logs', [
            'level' => 'info',
            'message' => 'Test log message'
        ]);
    }

    public function test_setting_model_creates_successfully(): void
    {
        $setting = Setting::create([
            'key' => 'test_setting',
            'value' => 'test_value'
        ]);

        $this->assertDatabaseHas('settings', [
            'key' => 'test_setting',
            'value' => 'test_value'
        ]);
    }

    public function test_feed_articles_relationship(): void
    {
        $feed = Feed::factory()->create();
        $articles = Article::factory()->count(3)->create(['feed_id' => $feed->id]);

        $this->assertCount(3, $feed->articles);
        
        foreach ($articles as $article) {
            $this->assertTrue($feed->articles->contains($article));
        }
    }

    public function test_platform_account_channels_many_to_many_relationship(): void
    {
        $account = PlatformAccount::factory()->create();
        $channel = PlatformChannel::factory()->create();
        
        // Test the pivot table relationship
        $account->channels()->attach($channel->id, ['is_active' => true, 'priority' => 1]);
        
        $this->assertDatabaseHas('platform_account_channels', [
            'platform_account_id' => $account->id,
            'platform_channel_id' => $channel->id,
            'is_active' => true
        ]);
    }

    public function test_language_platform_instances_relationship(): void
    {
        $language = Language::factory()->create();
        $instances = PlatformInstance::factory()->count(2)->create();
        
        // Attach language to instances via pivot table
        foreach ($instances as $instance) {
            $language->platformInstances()->attach($instance->id);
        }

        $this->assertCount(2, $language->platformInstances);
        
        foreach ($instances as $instance) {
            $this->assertTrue($language->platformInstances->contains($instance));
        }
    }

    public function test_model_soft_deletes_work_correctly(): void
    {
        // Test models that might use soft deletes
        $feed = Feed::factory()->create();
        $feedId = $feed->id;
        
        $feed->delete();
        
        // Should not find with normal query if soft deleted
        $this->assertNull(Feed::find($feedId));
        
        // Should find with withTrashed if model uses soft deletes
        if (method_exists($feed, 'withTrashed')) {
            $this->assertNotNull(Feed::withTrashed()->find($feedId));
        }
    }

    public function test_database_constraints_are_enforced(): void
    {
        // Test foreign key constraints
        $this->expectException(\Illuminate\Database\QueryException::class);
        
        // Try to create article with non-existent feed_id
        Article::factory()->create(['feed_id' => 99999]);
    }

    public function test_all_factories_work_correctly(): void
    {
        // Test that all model factories can create valid records
        $models = [
            User::factory()->make(),
            Language::factory()->make(),
            PlatformInstance::factory()->make(),
            PlatformAccount::factory()->make(),
            PlatformChannel::factory()->make(),
            Feed::factory()->make(),
            Article::factory()->make(),
            Route::factory()->make(),
            Keyword::factory()->make(),
        ];

        foreach ($models as $model) {
            $this->assertNotNull($model);
            $this->assertInstanceOf(\Illuminate\Database\Eloquent\Model::class, $model);
        }
    }
}