<?php


class DefaultModel
{
    public function redirectToStart($string)
    {
        header( "Location: ?c=default&a=index&rsn=$string" );
        exit();
    }

    public function checkCode($room_code)
    {
        $stmnt = Database::getConnection()->prepare( 'SELECT id FROM rooms WHERE code = :code' );
        $stmnt->execute( array( 'code' => $room_code ) );

        $result = $stmnt->fetch( PDO::FETCH_ASSOC );
        if( $result === false || empty( $result ) )
        {
            return false;
        }
        return $result['id'];
    }

    public function joinRoom($room_id)
    {
        $_SESSION['room'] = $room_id;
        header( 'Location: ?c=faq' );
        return true;
    }

    public function createRoom(string $room_name)
    {
        $secret = $this->generateRandomStr( 15 );
        $stmnt = Database::getConnection()->prepare( 'INSERT INTO rooms ( name, owner_sid, code ) VALUES ( :name, :owner_sid, :code )' );
        $stmnt->execute( array( 'name' => $room_name, 'owner_sid' => $secret, 'code' => $this->generateRandomStr( CODE_LENGTH ) ) );


        $id = Database::getConnection()->lastInsertId( );
        setcookie( 'owner_room_' . $id, $secret, time()+60*60*24*365 );
        if( empty( $id ) )
        {
            return false;
        }
        return $id;
    }

    public function generateRandomStr( $length = 4 )
    {
        $characters = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ';
        $charactersLength = strlen($characters);
        $randomString = '';
        for ($i = 0; $i < $length; $i++) {
            $randomString .= $characters[rand(0, $charactersLength - 1)];
        }
        return $randomString;
    }

    public function setSecret( $room_id, string $secret)
    {
        setcookie( 'owner_room_' . $room_id, $secret, time()+60*60*24*365 );
    }


}