<?php

namespace Podlove\Template;

/**
 * Podcast Template Wrapper.
 *
 * @templatetag podcast
 */
class Podcast extends Wrapper
{
    /**
     * @var Podlove\Model\Podcast
     */
    private $podcast;

    public function __construct(\Podlove\Model\Podcast $podcast)
    {
        $this->podcast = $podcast;
    }

    // /////////
    // Accessors
    // /////////

    /**
     * Title.
     *
     * @accessor
     */
    public function title()
    {
        return $this->podcast->title;
    }

    /**
     * Subtitle.
     *
     * @accessor
     */
    public function subtitle()
    {
        return $this->podcast->subtitle;
    }

    /**
     * Summary.
     *
     * @accessor
     */
    public function summary()
    {
        return $this->podcast->summary;
    }

    /**
     * Mnemonic / Abbreviation.
     *
     * @accessor
     */
    public function mnemonic()
    {
        return $this->podcast->mnemonic;
    }

    /**
     * Type.
     *
     * One of: episodic, serial
     *
     * @accessor
     */
    public function type()
    {
        return $this->podcast->itunes_type;
    }

    /**
     * Image URL.
     *
     * @deprecated since 2.2.0, use `image` instead
     * @accessor
     */
    public function imageUrl()
    {
        return new Image($this->podcast->cover_art());
    }

    /**
     * Image.
     *
     * @see  image
     * @accessor
     */
    public function image()
    {
        return new Image($this->podcast->cover_art());
    }

    /**
     * Author name.
     *
     * @accessor
     */
    public function authorName()
    {
        return $this->podcast->author_name;
    }

    /**
     * Owner name.
     *
     * @accessor
     */
    public function ownerName()
    {
        return $this->podcast->owner_name;
    }

    /**
     * Owner email.
     *
     * @accessor
     */
    public function ownerEmail()
    {
        return $this->podcast->owner_email;
    }

    /**
     * Publisher name.
     *
     * @accessor
     */
    public function publisherName()
    {
        return $this->podcast->publisher_name;
    }

    /**
     * Publisher URL.
     *
     * @accessor
     */
    public function publisherUrl()
    {
        return $this->podcast->publisher_url;
    }

    /**
     * Podcast Home URL.
     *
     * @accessor
     */
    public function landingPageUrl()
    {
        return $this->podcast->landing_page_url();
    }

    /**
     * Episodes.
     *
     * Filter and order episodes with parameters:
     *
     * - post_id: one episode matching the given post id
     * - post_ids: list of episodes matching the given list of post ids
     * - category: list of episodes matching the category slug
     * - slug: one episode matching the given slug
     * - slugs: list of episodes matching the given list of slugs
     * - post_status: Publication status of the post. Defaults to 'publish'
     * - order: Designates the ascending or descending order of the 'orderby' parameter. Defaults to 'DESC'.
     *   - 'ASC' - ascending order from lowest to highest values (1, 2, 3; a, b, c).
     *   - 'DESC' - descending order from highest to lowest values (3, 2, 1; c, b, a).
     * - orderby: Sort retrieved episodes by parameter. Defaults to 'publicationDate'.
     *   - 'publicationDate' - Order by publication date.
     *   - 'recordingDate' - Order by recording date.
     *   - 'title' - Order by title.
     *   - 'slug' - Order by episode slug.
     *	 - 'limit' - Limit the number of returned episodes.
     *
     * **Examples**
     *
     * Iterate over all published episodes, ordered by publication date.
     *
     * ```
     * {% for e in podcast.episodes %}
     *   {{ e.title }}
     * {% endfor %}
     * ```
     *
     * Order by title in ascending order.
     *
     * ```
     * {% for e in podcast.episodes({orderby: 'title', 'order': 'ASC'}) %}
     *   {{ e.title }}
     * {% endfor %}
     * ```
     *
     * Fetch one episode by slug.
     *
     * ```
     * {{ podcast.episodes({slug: 'pod001'}).title }}
     * ```
     *
     * @see episode
     * @accessor
     *
     * @param mixed $args
     */
    public function episodes($args = [])
    {
        $episodes = $this->podcast->episodes($args);

        if (is_array($episodes)) {
            return array_map(function ($episode) {
                return new Episode($episode);
            }, $episodes);
        } else {
            return new Episode($episodes);
        }
    }

    /**
     * Feeds.
     *
     * @see  feed
     * @accessor
     */
    public function feeds()
    {
        return array_map(function ($feed) {
            return new Feed($feed);
        }, $this->podcast->feeds());
    }

    /**
     * Single Feed by Slug/ID.
     *
     * **Example**
     *
     * ```
     * {% set feed = podcast.feed("mp3") %}
     * The Feed: <a href="{{ feed.url }}">{{ feed.title }}</a>
     * ```
     *
     * @see  feed
     * @accessor
     *
     * @param mixed $id
     */
    public function feed($id)
    {
        return new Feed(\Podlove\Model\Feed::find_one_by_slug($id));
    }

    /**
     * License.
     *
     * To render an HTML license, use
     * `{% include '@core/license.twig' with {'license': podcast.license} %}`
     *
     * @see  license
     * @accessor
     */
    public function license()
    {
        return new License(
            new \Podlove\Model\License(
                'podcast',
                [
                    'license_name' => $this->podcast->license_name,
                    'license_url' => $this->podcast->license_url,
                ]
            )
        );
    }

    /**
     * Get a podcast setting.
     *
     * Valid namespaces / names:
     *
     *  ```
     *  website
     *  	merge_episodes
     *  	hide_wp_feed_discovery
     *  	use_post_permastruct
     *  	custom_episode_slug
     *  	episode_archive
     *  	episode_archive_slug
     *  	url_template
     *  	ssl_verify_peer
     *  metadata
     *  	enable_episode_recording_date
     *  	enable_episode_explicit
     *  	enable_episode_license
     *  redirects
     *  	podlove_setting_redirect
     *  tracking
     *  	mode
     *  ```
     *
     * @accessor
     *
     * @param mixed $namespace
     * @param mixed $name
     */
    public function setting($namespace, $name)
    {
        return \Podlove\get_setting($namespace, $name);
    }

    protected function getExtraFilterArgs()
    {
        return [$this->podcast];
    }
}