<?php
/**
 * Orange Management
 *
 * PHP Version 8.0
 *
 * @package   Modules\Media\Models
 * @copyright Dennis Eichhorn
 * @license   OMS License 1.0
 * @version   1.0.0
 * @link      https://orange-management.org
 */
declare(strict_types=1);

namespace Modules\Media\Models;

/**
 * Media class.
 *
 * @package Modules\Media\Models
 * @license OMS License 1.0
 * @link    https://orange-management.org
 * @since   1.0.0
 */
class Collection extends Media implements \Iterator
{
    /**
     * Resource id.
     *
     * @var array<int, Media>
     * @since 1.0.0
     */
    private array $sources = [];

    /**
     * Extension name.
     *
     * @var string
     * @since 1.0.0
     */
    public string $extension = 'collection';

    /**
     * Is collection.
     *
     * @var int
     * @since 1.0.0
     */
    protected int $collection = 1;

    /**
     * Set sources.
     *
     * @param array $sources Source array
     *
     * @return void
     *
     * @since 1.0.0
     */
    public function setSources(array $sources) : void
    {
        $this->sources = $sources;
    }

    /**
     * Set sources.
     *
     * @param Media $source Source
     *
     * @return void
     *
     * @since 1.0.0
     */
    public function addSource(Media $source) : void
    {
        $this->sources[] = $source;
    }

    /**
     * Get sources.
     *
     * @return Media[]
     *
     * @since 1.0.0
     */
    public function getSources() : array
    {
        return $this->sources;
    }

    /**
     * {@inheritdoc}
     */
    public function setExtension(string $extension) : void
    {
    }

    /**
     * {@inheritdoc}
     */
    public function setVersioned(bool $versioned) : void
    {
    }

    /**
     * {@inheritdoc}
     */
    public function rewind() : void
    {
        \reset($this->sources);
    }

    /**
     * {@inheritdoc}
     */
    public function current() : Media
    {
        $current = \current($this->sources);

        return $current === false ? $this : $current;
    }

    /**
     * {@inheritdoc}
     */
    public function key() : ?int
    {
        return \key($this->sources);
    }

    /**
     * {@inheritdoc}
     */
    public function next() : void
    {
        \next($this->sources);
    }

    /**
     * {@inheritdoc}
     */
    public function valid() : bool
    {
        return \current($this->sources) !== false;
    }
}