<?php

declare(strict_types=1);

use App\Domain\Cms\ValueObjects\BlockId;

describe('BlockId', function () {
    it('can be created from valid string', function () {
        $blockId = BlockId::fromString('hero-1');

        expect($blockId->toString())->toBe('hero-1');
        expect((string) $blockId)->toBe('hero-1');
    });

    it('accepts lowercase letters, numbers, hyphens, and underscores', function () {
        $validIds = ['block-1', 'text_block', 'image123', 'my-block-id'];

        foreach ($validIds as $id) {
            $blockId = BlockId::fromString($id);
            expect($blockId->toString())->toBe($id);
        }
    });

    it('can generate unique block IDs', function () {
        $blockId1 = BlockId::generate('hero');
        $blockId2 = BlockId::generate('hero');

        expect($blockId1->toString())->toStartWith('hero_');
        expect($blockId2->toString())->toStartWith('hero_');
        expect($blockId1->toString())->not->toBe($blockId2->toString());
    });

    it('generates block IDs with custom prefix', function () {
        $blockId = BlockId::generate('custom');

        expect($blockId->toString())->toStartWith('custom_');
    });

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

    it('throws exception for uppercase letters', function () {
        expect(fn () => BlockId::fromString('Block-1'))
            ->toThrow(InvalidArgumentException::class, 'Block ID must contain only lowercase letters, numbers, hyphens, and underscores');
    });

    it('throws exception for special characters', function () {
        expect(fn () => BlockId::fromString('block@1'))
            ->toThrow(InvalidArgumentException::class);
    });

    it('throws exception for block ID exceeding 100 characters', function () {
        $longId = str_repeat('a', 101);
        expect(fn () => BlockId::fromString($longId))
            ->toThrow(InvalidArgumentException::class, 'Block ID cannot exceed 100 characters');
    });

    it('can compare two BlockIds for equality', function () {
        $id1 = BlockId::fromString('block-1');
        $id2 = BlockId::fromString('block-1');
        $id3 = BlockId::fromString('block-2');

        expect($id1->equals($id2))->toBeTrue();
        expect($id1->equals($id3))->toBeFalse();
    });
});