<?php

namespace App\models;

class Database
{

    private $hostname;
    private $username;
    private $password;
    private $database;
    private static $connection = null;
    public function __construct()
    {

        $this->hostname = $_ENV['DB_HOST'];
        $this->username = $_ENV['DB_USER'];
        $this->password = $_ENV['DB_PASSWORD'];
        $this->database = $_ENV['DB'];
    }

    public function dbConnect()
    {


        if (self::$connection === null) {
            try {
                self::$connection = new \PDO(
                    'mysql:host=' . $this->hostname . ';' .
                        'dbname=' . $this->database . ';' .
                        'charset=utf8mb4',
                    $this->username,
                    $this->password
                );
                self::$connection->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
            } catch (\PDOException $e) {
                return json_encode(['error' => 'Erro na conexão com o banco ' . $e->getMessage()]);
            }
        }
        return self::$connection;
    }
}