<?php

declare(strict_types=1);

namespace Tests\Unit\Domain\Services;

use Domain\Models\ValueObjects\Code;
use Domain\Ports\Directories\CodeDirectory;
use Domain\Services\CodeGenerationService;
use Mockery;

describe('Code Generation Service', function () {
    it('generates a valid code of exactly 10 characters', function () {
        // GIVEN
        $repository = Mockery::mock(CodeDirectory::class);
        $repository->shouldReceive('exists')->andReturn(false);

        $service = new CodeGenerationService($repository);

        // WHEN
        $code = $service->generate();

        // THEN
        expect($code)->toBeInstanceOf(Code::class)
            ->and(strlen($code->value))->toBe(10);
    });

    it('regenerates code if it already exists', function () {
        // GIVEN
        $repository = Mockery::mock(CodeDirectory::class);
        $repository->shouldReceive('exists')->times(2)->andReturn(true, false);

        $service = new CodeGenerationService($repository);

        // WHEN
        $code = $service->generate();

        // THEN
        expect(strlen($code->value))->toBe(10);
    });

    it('throws exception for code with bad characters', function () {
        // GIVEN
        $invalidCodeString = 'ABCDEFGH1O';

        // WHEN
        $action = fn () => new Code($invalidCodeString);

        // THEN
        expect($action)->toThrow(\DomainException::class, 'Code contains invalid characters');
    });
});