<?php

class Database {
    private $pdo;
    private $numqueries = 0;
    private $dbsettings;

    public function __construct() {
        include(PATH_ROOT.'config.php');
        $this->dbsettings = $dbsettings;
        $this->connect();
    }

    private function connect() {
        $dsn = "mysql:host={$this->dbsettings['server']};dbname={$this->dbsettings['name']};charset=utf8";
        try {
            $this->pdo = new PDO($dsn, $this->dbsettings['user'], $this->dbsettings['pass']);
            $this->pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
        } catch (PDOException $e) {
            die("Connection to databasse failed.");
        }
    }

    public function doquery($table, $query, $params = []) {
        $query = str_replace("{{table}}", $this->dbsettings["prefix"] . "_" . $table, $query);
        $stmt = $this->pdo->prepare($query);
        $stmt->execute($params);
        $this->numqueries++;
        return $stmt;
    }

    public function checkUnique($table, $field, $value) {
        $query = "SELECT * from {{table}} where {{field}} = :fieldValue";
        $query = str_replace("{{field}}", $field, $query);
        $stmt = $this->doquery($table, $query, ['fieldValue' => $value]);
        return $stmt->fetch(PDO::FETCH_ASSOC) != null;
    }

    public function getNumQueries() {
        return $this->numqueries;
    }

    public function getSecretWord() {
        return $this->dbsettings["secretword"];
    }
}