<?php

namespace IQBall\Core\Gateway;

use IQBall\Core\Connection;
use PDO;

class AuthGateway {
    private Connection $con;

    /**
     * @param Connection $con
     */
    public function __construct(Connection $con) {
        $this->con = $con;
    }


    public function mailExist(string $email): bool {
        return $this->getUserFields($email) != null;
    }


    public function insertAccount(string $username, string $hash, string $email): void {
        $this->con->exec("INSERT INTO AccountUser(username, hash, email) VALUES (:username,:hash,:email)", [':username' => [$username, PDO::PARAM_STR],':hash' => [$hash, PDO::PARAM_STR],':email' => [$email, PDO::PARAM_STR]]);
    }

    public function getUserHash(string $email): string {
        $results = $this->con->fetch("SELECT hash FROM AccountUser WHERE email = :email", [':email' => [$email, PDO::PARAM_STR]]);
        return $results[0]['hash'];
    }


    /**
     * @param string $email
     * @return array<string,string>|null
     */
    public function getUserFields(string $email): ?array {
        $results = $this->con->fetch("SELECT username,email FROM AccountUser WHERE email = :email", [':email' => [$email, PDO::PARAM_STR]]);
        $firstRow = $results[0] ?? null;
        return $firstRow;
    }


}