<?php

namespace Tests\Fakes;

use App\Email\EmailConfirmationToken\CreateEmailConfirmationTokenDto;
use App\Email\EmailConfirmationToken\EmailConfirmationToken;
use App\Email\EmailConfirmationToken\EmailConfirmationTokenRepository;
use App\User\User;
use App\User\UserRepository;

class FakeEmailConfirmationTokenRepository implements EmailConfirmationTokenRepository
{
    /**
     * @var EmailConfirmationToken[]
     */
    private array $existingTokens = [];

    public function __construct(
        private UserRepository $userRepo,
    ) {}

    public function create(
        CreateEmailConfirmationTokenDto $dto,
    ): EmailConfirmationToken {
        $id = $this->nextId();
        $token = new EmailConfirmationToken(
            id: $id,
            user: $dto->user,
            availableTo: $dto->availableTo,
            token: bin2hex(random_bytes(32)),
        );
        $this->existingTokens[$id] = $token;

        return $this->copy($token);
    }

    public function findByToken(string $token): ?EmailConfirmationToken
    {
        foreach ($this->existingTokens as $existing) {
            if ($existing->getToken() === $token) {
                return $this->copy($existing);
            }
        }

        return null;
    }

    public function findByUser(User $user): ?EmailConfirmationToken
    {
        foreach ($this->existingTokens as $existing) {
            if ($existing->getUser()->getId() === $user->getId()) {
                return $this->copy($existing);
            }
        }

        return null;
    }

    public function delete(int $id): void
    {
        unset($this->existingTokens[$id]);
    }

    private function copy(
        EmailConfirmationToken $token,
    ): EmailConfirmationToken {
        $user = $this->userRepo->find($token->getUser()->getId())
            ?? $token->getUser();

        return new EmailConfirmationToken(
            id: $token->getId(),
            user: $user,
            availableTo: $token->getAvailableTo(),
            token: $token->getToken(),
        );
    }

    private function nextId(): int
    {
        return count($this->existingTokens) + 1;
    }
}