<?php

declare(strict_types=1);

use App\Domain\Cms\ValueObjects\ContentSlug;

describe('ContentSlug', function () {
    it('can be created from valid string', function () {
        $slug = ContentSlug::fromString('my-awesome-page');

        expect($slug->toString())->toBe('my-awesome-page');
        expect((string) $slug)->toBe('my-awesome-page');
    });

    it('accepts lowercase letters, numbers, hyphens, and underscores', function () {
        $validSlugs = ['page', 'blog-post', 'product_123', 'my-content-slug'];

        foreach ($validSlugs as $slugStr) {
            $slug = ContentSlug::fromString($slugStr);
            expect($slug->toString())->toBe($slugStr);
        }
    });

    it('throws exception for empty string', function () {
        expect(fn () => ContentSlug::fromString(''))
            ->toThrow(InvalidArgumentException::class, 'Content slug cannot be empty');
    });

    it('throws exception for uppercase letters', function () {
        expect(fn () => ContentSlug::fromString('My-Page'))
            ->toThrow(InvalidArgumentException::class, 'Content slug must contain only lowercase letters, numbers, hyphens, and underscores');
    });

    it('throws exception for spaces', function () {
        expect(fn () => ContentSlug::fromString('my page'))
            ->toThrow(InvalidArgumentException::class);
    });

    it('throws exception for special characters', function () {
        expect(fn () => ContentSlug::fromString('my@page'))
            ->toThrow(InvalidArgumentException::class);
    });

    it('can compare two ContentSlugs for equality', function () {
        $slug1 = ContentSlug::fromString('my-page');
        $slug2 = ContentSlug::fromString('my-page');
        $slug3 = ContentSlug::fromString('other-page');

        expect($slug1->equals($slug2))->toBeTrue();
        expect($slug1->equals($slug3))->toBeFalse();
    });
});