<?php

namespace KupShop\FeedGeneratorBundle\Configuration;

use KupShop\FeedGeneratorBundle\Configuration\Nodes\INode;

class Configuration implements IHasIterableNodes
{
    private $beginning = '';
    private $end = '';

    /** @var INode[] */
    private $nodes = [];

    public function getBeginning(): string
    {
        return $this->beginning;
    }

    public function setBeginning(string $beginning = '')
    {
        $this->beginning = $beginning;
    }

    public function getEnd(): string
    {
        return $this->end;
    }

    public function setEnd(string $end = '')
    {
        $this->end = $end;
    }

    /**
     * @return INode[]
     */
    public function getNodes(): array
    {
        return $this->nodes;
    }

    /**
     * @param INode[] $nodes
     */
    public function setNodes(array $nodes)
    {
        $this->nodes = $nodes;
    }

    public function hasNodes(): bool
    {
        return count($this->nodes) > 0;
    }

    public function addNode(INode $node)
    {
        $this->nodes[] = $node;
    }

    public function accept(IConfigurationVisitor $visitor, &$param = null)
    {
        $visitor->visitConfiguration($this, $param);
    }
}