<?php

// TODO: this shit stinks...
class User 
{
    private Session $session;
    private Database $database;

    public ?bool    $loggedIn;
    public ?string  $username;
    public ?string  $password;
    public ?int     $powerLevel;

    public function __construct(Session $session, Database $database)
    {
        $this->session = $session;
        $this->database = $database;
        $this->setProps();
    }

    private function setProps(): void
    {
        $this->loggedIn = $this->session->get('loggedIn');
        $this->username = $this->session->get('username');
        $this->password = $this->session->get('password');

        if ($this->loggedIn && !$this->authenticate($this->username, $this->password))
        {
            $this->logout();
            $this->session->flash('Kontodetaljer endret, vennligst logg inn igjen', 'warning');
        }

        if ($this->loggedIn) {
            $sth = $this->database->conn->prepare('SELECT * FROM brukertabell WHERE Navn = ? AND Passord = ?');
            $sth->execute([$this->username, $this->password]);
            $row = $sth->fetch(PDO::FETCH_ASSOC);

            $this->powerLevel = $row['Nivå'];
        } else {
            $this->powerLevel = 0;
        }
   }

    // Set session if user and password match
    public function login(string $username, string $password): bool
    {
        if ($this->authenticate($username, $password))
        {
            $this->session->set('loggedIn', TRUE);
            $this->session->set('username', $username);
            $this->session->set('password', $password);
            $this->setProps();
            return TRUE;
        }
        return FALSE;
    }

    // Check if user and pass match
    private function authenticate(string $username, string $password): bool
    {
        $sth = $this->database->conn->prepare('SELECT * FROM brukertabell WHERE Navn = ? AND Passord = ?');
        $sth->execute([$username, $password]);

        if ($sth->rowCount())
        {
            return TRUE;
        }
        return FALSE;
    }

    public function logout(): void
    {
        $this->session->remove('loggedIn');
        $this->session->remove('username');
        $this->session->remove('password');
        $this->setProps();
    }
}