<?php

declare(strict_types=1);

use App\Framework\MagicLinks\ValueObjects\ErrorCollection;

describe('ErrorCollection', function () {
    it('creates empty collection', function () {
        $errors = ErrorCollection::empty();

        expect($errors->isEmpty())->toBeTrue();
        expect($errors->hasErrors())->toBeFalse();
        expect($errors->count())->toBe(0);
    });

    it('creates collection from array', function () {
        $errors = ErrorCollection::fromArray(['Error 1', 'Error 2']);

        expect($errors->isEmpty())->toBeFalse();
        expect($errors->hasErrors())->toBeTrue();
        expect($errors->count())->toBe(2);
    });

    it('creates single error collection', function () {
        $errors = ErrorCollection::single('Test error');

        expect($errors->count())->toBe(1);
        expect($errors->first())->toBe('Test error');
    });

    it('adds error immutably', function () {
        $errors = ErrorCollection::empty();
        $updated = $errors->add('New error');

        expect($errors->count())->toBe(0);
        expect($updated->count())->toBe(1);
        expect($updated->first())->toBe('New error');
    });

    it('adds multiple errors', function () {
        $errors = ErrorCollection::single('Error 1');
        $updated = $errors->addMultiple(['Error 2', 'Error 3']);

        expect($updated->count())->toBe(3);
        expect($updated->toArray())->toBe(['Error 1', 'Error 2', 'Error 3']);
    });

    it('converts to string', function () {
        $errors = ErrorCollection::fromArray(['Error 1', 'Error 2', 'Error 3']);

        expect($errors->toString())->toBe('Error 1, Error 2, Error 3');
        expect($errors->toString(' | '))->toBe('Error 1 | Error 2 | Error 3');
    });

    it('returns first error', function () {
        $errors = ErrorCollection::fromArray(['First', 'Second']);

        expect($errors->first())->toBe('First');
    });

    it('returns null for empty collection first', function () {
        $errors = ErrorCollection::empty();

        expect($errors->first())->toBeNull();
    });
});