<?php

use App\Services\UserUtil;
use App\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

uses(TestCase::class, RefreshDatabase::class);

function makeDeletableUser(string $email): User
{
    return User::forceCreate([
        'email' => $email,
        'password' => bcrypt('secret'),
        'lang' => 'de',
    ]);
}

it('pseudonymises the email with the user id so a second deletion does not collide', function () {
    $first = makeDeletableUser('lena.oetjen@googlemail.com');
    UserUtil::deleteUser($first);

    $second = makeDeletableUser('lena.oetjen@googlemail.com');
    UserUtil::deleteUser($second);

    expect($first->fresh()->email)->toBe('delete-'.$first->id.'-lena.oetjen@googlemail.com')
        ->and($second->fresh()->email)->toBe('delete-'.$second->id.'-lena.oetjen@googlemail.com');
});

it('restores the original address from both prefix formats', function () {
    expect(UserUtil::stripDeletePrefix('delete-1212-lena.oetjen@googlemail.com'))
        ->toBe('lena.oetjen@googlemail.com')
        ->and(UserUtil::stripDeletePrefix('delete-lena.oetjen@googlemail.com'))
        ->toBe('lena.oetjen@googlemail.com')
        ->and(UserUtil::stripDeletePrefix('lena.oetjen@googlemail.com'))
        ->toBe('lena.oetjen@googlemail.com')
        ->and(UserUtil::stripDeletePrefix(null))->toBe('');
});

it('does not double the prefix when a deleted user is deleted again', function () {
    $user = makeDeletableUser('doppelt@example.com');
    UserUtil::deleteUser($user);
    UserUtil::deleteUser($user->fresh());

    expect($user->fresh()->email)->toBe('delete-'.$user->id.'-doppelt@example.com');
});

it('keeps the pseudonymised email within the column limit', function () {
    $user = makeDeletableUser(str_repeat('a', 240).'@example.com');
    UserUtil::deleteUser($user);

    expect(mb_strlen($user->fresh()->email))->toBeLessThanOrEqual(255);
});