<?php

namespace Tests\Unit\Models;

use Illuminate\Database\Eloquent\Model;
use App\Models\Blog;
use App\Models\Category;
use Tests\TestCase;

class CategoryTest extends TestCase
{
    /** @test */
    public function it_can_create_a_category_with_factory(): void
    {
        $category = Category::factory()->create();

        $this->assertInstanceOf(Category::class, $category);
        $this->assertIsString($category->name);
        $this->assertIsString($category->slug);
    }

    /** @test */
    public function it_has_correct_fillable_attributes(): void
    {
        $categoryData = [
            'name' => 'Technology',
            'slug' => 'technology',
            'is_active' => true,
        ];

        $category = Category::query()->create($categoryData);

        foreach ($categoryData as $key => $value) {
            $this->assertEquals($value, $category->$key);
        }
    }

    /** @test */
    public function it_has_many_blogs(): void
    {
        $category = Category::factory()->create();
        $blog1 = Blog::factory()->create(['category_id' => $category->id]);
        $blog2 = Blog::factory()->create(['category_id' => $category->id]);

        $this->assertCount(2, $category->blogs);
        $this->assertContains($blog1->id, $category->blogs->pluck('id'));
        $this->assertContains($blog2->id, $category->blogs->pluck('id'));
    }

    /** @test */
    public function it_generates_unique_slugs(): void
    {
        $category1 = Category::factory()->create(['name' => 'Same Name']);
        $category2 = Category::factory()->create(['name' => 'Same Name']);

        $this->assertNotEquals($category1->slug, $category2->slug);
    }

    /** @test */
    public function it_can_query_active_categories(): void
    {
        Category::factory()->create(['is_active' => true]);
        Category::factory()->create(['is_active' => false]);

        $activeCategories = Category::query()->where('is_active', true)->get();
        $inactiveCategories = Category::query()->where('is_active', false)->get();

        $this->assertCount(1, $activeCategories);
        $this->assertCount(1, $inactiveCategories);
    }

    /** @test */
    public function it_stores_is_active_status_correctly(): void
    {
        $category = Category::factory()->create(['is_active' => false]);

        $this->assertFalse($category->is_active);
    }

    /** @test */
    public function it_uses_correct_table_name(): void
    {
        $category = new Category;

        $this->assertEquals('categories', $category->getTable());
    }

    /** @test */
    public function it_extends_model_class(): void
    {
        $category = new Category;

        $this->assertInstanceOf(Model::class, $category);
    }
}