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<?php

declare(strict_types=1);

namespace Laminas\Feed\Reader\Extension\Podcast;

use Laminas\Feed\Reader\Extension;

use function trigger_error;

use const E_USER_DEPRECATED;

class Entry extends Extension\AbstractEntry
{
    /**
     * Get the entry author
     *
     * @return string
     */
    public function getCastAuthor()
    {
        if (isset($this->data['author'])) {
            return $this->data['author'];
        }

        $author = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:author)');

        if (! $author) {
            $author = null;
        }

        $this->data['author'] = $author;

        return $this->data['author'];
    }

    /**
     * Get the entry block
     *
     * @return string
     */
    public function getBlock()
    {
        if (isset($this->data['block'])) {
            return $this->data['block'];
        }

        $block = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:block)');

        if (! $block) {
            $block = null;
        }

        $this->data['block'] = $block;

        return $this->data['block'];
    }

    /**
     * Get the entry duration
     *
     * @return string
     */
    public function getDuration()
    {
        if (isset($this->data['duration'])) {
            return $this->data['duration'];
        }

        $duration = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:duration)');

        if (! $duration) {
            $duration = null;
        }

        $this->data['duration'] = $duration;

        return $this->data['duration'];
    }

    /**
     * Get the entry explicit
     *
     * @return string
     */
    public function getExplicit()
    {
        if (isset($this->data['explicit'])) {
            return $this->data['explicit'];
        }

        $explicit = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:explicit)');

        if (! $explicit) {
            $explicit = null;
        }

        $this->data['explicit'] = $explicit;

        return $this->data['explicit'];
    }

    /**
     * Get the entry keywords
     *
     * @deprecated since 2.10.0; itunes:keywords is no longer part of the
     *     iTunes podcast RSS specification.
     *
     * @return string
     */
    public function getKeywords()
    {
        trigger_error(
            'itunes:keywords has been deprecated in the iTunes podcast RSS specification,'
            . ' and should not be relied on.',
            E_USER_DEPRECATED
        );

        if (isset($this->data['keywords'])) {
            return $this->data['keywords'];
        }

        $keywords = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:keywords)');

        if (! $keywords) {
            $keywords = null;
        }

        $this->data['keywords'] = $keywords;

        return $this->data['keywords'];
    }

    /**
     * Get the entry title
     *
     * @return string
     */
    public function getTitle()
    {
        if (isset($this->data['title'])) {
            return $this->data['title'];
        }

        $title = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:title)');

        if (! $title) {
            $title = null;
        }

        $this->data['title'] = $title;

        return $this->data['title'];
    }

    /**
     * Get the entry subtitle
     *
     * @return string
     */
    public function getSubtitle()
    {
        if (isset($this->data['subtitle'])) {
            return $this->data['subtitle'];
        }

        $subtitle = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:subtitle)');

        if (! $subtitle) {
            $subtitle = null;
        }

        $this->data['subtitle'] = $subtitle;

        return $this->data['subtitle'];
    }

    /**
     * Get the entry summary
     *
     * @return string
     */
    public function getSummary()
    {
        if (isset($this->data['summary'])) {
            return $this->data['summary'];
        }

        $summary = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:summary)');

        if (! $summary) {
            $summary = null;
        }

        $this->data['summary'] = $summary;

        return $this->data['summary'];
    }

    /**
     * Get the entry image
     *
     * @return string
     */
    public function getItunesImage()
    {
        if (isset($this->data['image'])) {
            return $this->data['image'];
        }

        $image = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:image/@href)');

        if (! $image) {
            $image = null;
        }

        $this->data['image'] = $image;

        return $this->data['image'];
    }

    /**
     * Get the episode number
     *
     * @return null|int
     */
    public function getEpisode()
    {
        if (isset($this->data['episode'])) {
            return $this->data['episode'];
        }

        $episode = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:episode)');

        if (! $episode) {
            $episode = null;
        }

        $this->data['episode'] = null === $episode ? $episode : (int) $episode;

        return $this->data['episode'];
    }

    /**
     * Get the episode number
     *
     * @return string One of "full", "trailer", or "bonus"; defaults to "full".
     */
    public function getEpisodeType()
    {
        if (isset($this->data['episodeType'])) {
            return $this->data['episodeType'];
        }

        $type = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:episodeType)');

        if (! $type) {
            $type = 'full';
        }

        $this->data['episodeType'] = (string) $type;

        return $this->data['episodeType'];
    }

    /**
     * Is the episode closed captioned?
     *
     * Returns true only if itunes:isClosedCaptioned has the value 'Yes'.
     *
     * @return bool
     */
    public function isClosedCaptioned()
    {
        if (isset($this->data['isClosedCaptioned'])) {
            return $this->data['isClosedCaptioned'];
        }

        $status = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:isClosedCaptioned)');

        $this->data['isClosedCaptioned'] = $status === 'Yes';

        return $this->data['isClosedCaptioned'];
    }

    /**
     * Get the season number
     *
     * @return null|int
     */
    public function getSeason()
    {
        if (isset($this->data['season'])) {
            return $this->data['season'];
        }

        $season = $this->xpath->evaluate('string(' . $this->getXpathPrefix() . '/itunes:season)');

        if (! $season) {
            $season = null;
        }

        $this->data['season'] = null === $season ? $season : (int) $season;

        return $this->data['season'];
    }

    /**
     * Register iTunes namespace
     */
    protected function registerNamespaces()
    {
        $this->xpath->registerNamespace('itunes', 'http://www.itunes.com/dtds/podcast-1.0.dtd');
    }
}