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<?php
// tests/Feature/Api/PostApiTest.php

namespace Tests\Feature\Api;

use App\Models\Post;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

class PostApiTest extends TestCase
{
    use RefreshDatabase;

private User $user;

protected function setUp(): void
    {
        parent::setUp();
        $this->user = User::factory()->create();
    }

public function test_can_list_published_posts(): void
    {
        Post::factory(3)->published()->create();

$this->actingAs($this->user, 'sanctum')
            ->getJson('/api/v1/posts')
            ->assertOk()
            ->assertJsonStructure([
                'data' => [['id', 'title', 'slug', 'status', 'author']],
                'links' => ['first', 'last', 'prev', 'next'],
                'meta'  => ['total', 'per_page', 'current_page'],
            ])
            ->assertJsonCount(3, 'data');
    }

public function test_returns_404_for_missing_post(): void
    {
        $this->actingAs($this->user, 'sanctum')
            ->getJson('/api/v1/posts/9999')
            ->assertNotFound()
            ->assertJsonPath('message', 'Resource not found.');
    }

public function test_validation_errors_return_422(): void
    {
        $this->actingAs($this->user, 'sanctum')
            ->postJson('/api/v1/posts', [])
            ->assertUnprocessable()
            ->assertJsonValidationErrors(['title', 'body', 'status']);
    }
}