<?php

defined('ROOT_DIR') || exit;

class DB {
    public string $db_host;
    public string $db_name;
    public string $db_user;
    public string $db_password;

    private PDO $dbh;

    public function __construct($db_host, $db_name, $db_user, $db_password)
    {
        $this->db_host = $db_host;
        $this->db_name = $db_name;
        $this->db_user = $db_user;
        $this->db_password = $db_password;
    }

    public function connect(): DB
    {
        $this->dbh = new PDO("mysql:host=". $this->db_host. ";dbname=" . $this->db_name . ";charset=utf8mb4", $this->db_user, $this->db_password);
        return $this;
    }

    // Запрос на получение информации из базы
    public function query($query, $params)
    {
        log_message("Начало запроса");
        log_message($query);
        log_message(json_encode($params));
        log_message("Конец запроса");

        $sth = $this->dbh->prepare($query);
        $sth->execute($params);
        return $sth->fetchAll();
    }

    // Запрос на сохранение данных в базу
    public function insert($query, $params)
    {
        $sth = $this->dbh->prepare($query);
        $sth->execute($params);
        return $this->dbh->lastInsertId();
    }
}