<?php

namespace App\Security\Hasher;

use App\SQLLogin\Exception\InvalidSQLPasswordException;
use Symfony\Component\PasswordHasher\Exception\InvalidPasswordException;
use Symfony\Component\PasswordHasher\Hasher\CheckPasswordLengthTrait;
use Symfony\Component\PasswordHasher\LegacyPasswordHasherInterface;

class PasswordEncoder implements LegacyPasswordHasherInterface
{
    use CheckPasswordLengthTrait;
    protected ?string $pepper;
    protected string $hashAlgo;

    public function __construct(?string $pepper, string $hashAlgo)
    {
        $this->pepper = $pepper;
        $this->hashAlgo = $hashAlgo;
    }

    public function hash(string $plainPassword, string $salt = null): string
    {
        if ($this->isPasswordTooLong($plainPassword)) {
            throw new InvalidPasswordException();
        }
        $hash = hash($this->hashAlgo, $plainPassword.$salt.$this->pepper);

        return $hash;
    }

    public function verify(string $hashedPassword, string $plainPassword, string $salt = null): bool
    {
        if ('' === $plainPassword || $this->isPasswordTooLong($plainPassword)) {
            return false;
        }

        if ($this->hash($plainPassword, $salt) === $hashedPassword) {
            return true;
        } else {
            throw new InvalidSQLPasswordException();
        }
    }

    public function needsRehash(string $hashedPassword): bool
    {
        return false;
    }
}