<?php //phpcs:ignore WordPress.Files.FileName.NotHyphenatedLowercase

require_once VPHQ_ROOT . '/class.videopress-hq-playlist.php';

function redirect_404() {
	wp_redirect( home_url( '/404' ) );
	die;
}

$playlist_slug = get_query_var( VideoPressHQPlaylist::TAXONOMY_NAME );
$playlist      = VideoPressHQPlaylist::get_by_slug( $playlist_slug );

if ( empty( $playlist ) || ! $playlist->is_visible_to_current_user() ) {
	redirect_404();
}

$playlist_items_query = $playlist->get_posts_query( array( 'fields' => 'ids' ) );
$playlist_items       = $playlist_items_query->posts;
if ( empty( $playlist_items ) ) {
	redirect_404();
}

foreach ( $playlist_items as $item_id ) {
	if ( is_post_publicly_viewable( $item_id ) || current_user_can( VideoPressHQCaps::CAP_READ_VIDEO, $item_id ) ) {
		wp_redirect( $playlist->get_post_permalink( $item_id ) );
		die;
	}
}

redirect_404();