<?php
/**
 * Register a portfolio post type and handle displaying it anywhere on the site.
 *
 * @package automattic/jetpack-classic-theme-helper
 */

namespace Automattic\Jetpack\Classic_Theme_Helper;

use Automattic\Jetpack\Blocks;
use Automattic\Jetpack\Status\Host;
use Jetpack_Options;
use WP_Customize_Image_Control;
use WP_Customize_Manager;
use WP_Query;

if ( ! class_exists( __NAMESPACE__ . '\Jetpack_Portfolio' ) ) {

	/**
	 * Jetpack Portfolio.
	 */
	class Jetpack_Portfolio {
		const CUSTOM_POST_TYPE       = 'jetpack-portfolio';
		const CUSTOM_TAXONOMY_TYPE   = 'jetpack-portfolio-type';
		const CUSTOM_TAXONOMY_TAG    = 'jetpack-portfolio-tag';
		const OPTION_NAME            = 'jetpack_portfolio';
		const OPTION_READING_SETTING = 'jetpack_portfolio_posts_per_page';

		/**
		 * Initialize class.
		 */
		public static function init() {
			static $instance = false;

			if ( ! $instance ) {
				$instance = new Jetpack_Portfolio();
			}

			return $instance;
		}

		/**
		 * Conditionally hook into WordPress.
		 *
		 * Setup user option for enabling CPT
		 * If user has CPT enabled, show in admin
		 */
		public function __construct() {
			// Add an option to enable the CPT.
			add_action( 'admin_init', array( $this, 'settings_api_init' ) );

			// Check on theme switch if theme supports CPT and setting is disabled.
			add_action( 'after_switch_theme', array( $this, 'activation_post_type_support' ) );

			// Make sure the post types are loaded for imports.
			add_action( 'import_start', array( $this, 'register_post_types' ) );

			// Add to REST API post type allowed list.
			add_filter( 'rest_api_allowed_post_types', array( $this, 'allow_portfolio_rest_api_type' ) );

			// If called via REST API, we need to register later in lifecycle.
			add_action( 'restapi_theme_init', array( $this, 'maybe_register_cpt' ) );

			// If portfolio cpt is enabled (on self hosted sites), hook into init to register the CPT, otherwise run maybe_register_cpt immediately to deregister.
			if ( get_option( self::OPTION_NAME, '0' ) || ( new Host() )->is_wpcom_platform() ) {
				$this->maybe_register_cpt();
			} else {
				add_action( 'init', array( $this, 'maybe_register_cpt' ) );
			}

			// Add a variable with the theme support status for the Jetpack Settings Portfolio toggle UI.
			if ( current_theme_supports( self::CUSTOM_POST_TYPE ) ) {
				wp_register_script( 'jetpack-portfolio-theme-supports', '', array(), '0.1.0', true );
				wp_enqueue_script( 'jetpack-portfolio-theme-supports' );
				$supports_portfolio = ( new Host() )->is_woa_site() ? 'true' : 'false';
			} else {
				$supports_portfolio = 'false';
			}
			wp_add_inline_script(
				'jetpack-portfolio-theme-supports',
				'const jetpack_portfolio_theme_supports = ' . $supports_portfolio
			);
		}

		/**
		 * Registers the custom post types and adds action/filter handlers, but
		 * only if the site supports it
		 */
		public function maybe_register_cpt() {
			if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
				$setting = get_option( self::OPTION_NAME, '0' );
			} else {
				$setting = class_exists( 'Jetpack_Options' ) ? Jetpack_Options::get_option_and_ensure_autoload( self::OPTION_NAME, '0' ) : '0'; // @phan-suppress-current-line PhanUndeclaredClassMethod -- We check if the class exists first.
			}

			// Bail early if Portfolio option is not set and the theme doesn't declare support.
			if ( empty( $setting ) && ! $this->site_supports_custom_post_type() ) {
				return;
			}

			// CPT magic.
			$this->register_post_types();
			if ( ! post_type_exists( self::CUSTOM_POST_TYPE ) ) {
				return;
			}
			add_action( sprintf( 'add_option_%s', self::OPTION_NAME ), array( $this, 'flush_rules_on_enable' ), 10 );
			add_action( sprintf( 'update_option_%s', self::OPTION_NAME ), array( $this, 'flush_rules_on_enable' ), 10 );
			add_action( sprintf( 'publish_%s', self::CUSTOM_POST_TYPE ), array( $this, 'flush_rules_on_first_project' ) );
			add_action( 'after_switch_theme', array( $this, 'flush_rules_on_switch' ) );

			// Admin Customization.
			add_filter( 'post_updated_messages', array( $this, 'updated_messages' ) );
			add_filter( sprintf( 'manage_%s_posts_columns', self::CUSTOM_POST_TYPE ), array( $this, 'edit_admin_columns' ) );
			add_filter( sprintf( 'manage_%s_posts_custom_column', self::CUSTOM_POST_TYPE ), array( $this, 'image_column' ), 10, 2 );
			if ( ! wp_is_block_theme() ) {
				add_action( 'customize_register', array( $this, 'customize_register' ) );
			}

			if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {

				// Track all the things.
				add_action( sprintf( 'add_option_%s', self::OPTION_NAME ), array( $this, 'new_activation_stat_bump' ) );
				add_action( sprintf( 'update_option_%s', self::OPTION_NAME ), array( $this, 'update_option_stat_bump' ), 11, 2 );
				add_action( sprintf( 'publish_%s', self::CUSTOM_POST_TYPE ), array( $this, 'new_project_stat_bump' ) );
			}

			add_image_size( 'jetpack-portfolio-admin-thumb', 50, 50, true );
			add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_admin_styles' ) );

			// register jetpack_portfolio shortcode and portfolio shortcode (legacy).
			add_shortcode( 'portfolio', array( $this, 'portfolio_shortcode' ) );
			add_shortcode( 'jetpack_portfolio', array( $this, 'portfolio_shortcode' ) );

			// Adjust CPT archive and custom taxonomies to obey CPT reading setting.
			add_filter( 'infinite_scroll_settings', array( $this, 'infinite_scroll_click_posts_per_page' ) );
			add_filter( 'infinite_scroll_results', array( $this, 'infinite_scroll_results' ), 10, 3 );

			if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
				// Add to Dotcom XML sitemaps.
				add_filter( 'wpcom_sitemap_post_types', array( $this, 'add_to_sitemap' ) );
			} else {
				// Add to Jetpack XML sitemap.
				add_filter( 'jetpack_sitemap_post_types', array( $this, 'add_to_sitemap' ) );
			}

			// Adjust CPT archive and custom taxonomies to obey CPT reading setting.
			add_filter( 'pre_get_posts', array( $this, 'query_reading_setting' ) );

			// If CPT was enabled programatically and no CPT items exist when user switches away, disable.
			if ( $setting && $this->site_supports_custom_post_type() ) {
				add_action( 'switch_theme', array( $this, 'deactivation_post_type_support' ) );
			}
		}

		/**
		 * Check if a site should display portfolios - it should not if:
		 * - the theme is a block theme without portfolios enabled.
		 *
		 * @return bool
		 */
		public static function site_should_display_portfolios() {
			$should_display = true;
			if ( current_theme_supports( self::CUSTOM_POST_TYPE ) ) {
				return true;
			}
			if ( ( ! ( new Host() )->is_wpcom_simple() ) && Blocks::is_fse_theme() ) {
				if ( ! get_option( self::OPTION_NAME, '0' ) ) {
					$should_display = false;
				}
			}

			/**
			 * Filter whether the site should display portfolios.
			 *
			 * @since 0.11.0
			 *
			 * @param bool $should_display Whether portfolios should be displayed.
			 */
			return apply_filters( 'classic_theme_helper_should_display_portfolios', $should_display );
		}

		/**
		 * Add a checkbox field in 'Settings' > 'Writing'
		 * for enabling CPT functionality.
		 *
		 * @return void
		 */
		public function settings_api_init() {
			if ( ! self::site_should_display_portfolios() ) {
				return;
			}
			add_settings_field(
				self::OPTION_NAME,
				'<span class="cpt-options">' . __( 'Portfolio Projects', 'jetpack-classic-theme-helper' ) . '</span>',
				array( $this, 'setting_html' ),
				'writing',
				'jetpack_cpt_section'
			);
			register_setting(
				'writing',
				self::OPTION_NAME,
				'intval'
			);

			// Check if CPT is enabled first so that intval doesn't get set to NULL on re-registering.
			if ( get_option( self::OPTION_NAME, '0' ) || current_theme_supports( self::CUSTOM_POST_TYPE ) ) {
				register_setting(
					'writing',
					self::OPTION_READING_SETTING,
					'intval'
				);
			}
		}

		/**
		 * HTML code to display a checkbox true/false option
		 * for the Portfolio CPT setting.
		 *
		 * @return void
		 */
		public function setting_html() {
			if ( current_theme_supports( self::CUSTOM_POST_TYPE ) ) : ?>
				<p>
					<?php
					echo wp_kses(
						sprintf(
						/* translators: %s is the name of a custom post type such as "jetpack-portfolio" */
							__( 'Your theme supports <strong>%s</strong>', 'jetpack-classic-theme-helper' ),
							esc_attr( self::CUSTOM_POST_TYPE )
						),
						array(
							'strong' => array(),
						)
					);
					?>
				</p>
				<?php else : ?>
				<label for="<?php echo esc_attr( self::OPTION_NAME ); ?>">
					<input name="<?php echo esc_attr( self::OPTION_NAME ); ?>" id="<?php echo esc_attr( self::OPTION_NAME ); ?>" <?php echo checked( get_option( self::OPTION_NAME, '0' ), true, false ); ?> type="checkbox" value="1" />
					<?php esc_html_e( 'Enable Portfolio Projects for this site.', 'jetpack-classic-theme-helper' ); ?>
					<a target="_blank" href="https://en.support.wordpress.com/portfolios/" data-target="wpcom-help-center"><?php esc_html_e( 'Learn More', 'jetpack-classic-theme-helper' ); ?></a>
				</label>
					<?php
				endif;
				if ( get_option( self::OPTION_NAME, '0' ) || current_theme_supports( self::CUSTOM_POST_TYPE ) ) :
					printf(
						'<p><label for="%1$s">%2$s</label></p>',
						esc_attr( self::OPTION_READING_SETTING ),
						sprintf(
						/* translators: %1$s is replaced with an input field for numbers */
							__( 'Portfolio pages display at most %1$s projects', 'jetpack-classic-theme-helper' ), // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- the placeholder contains HTML.
							sprintf(
								'<input name="%1$s" id="%1$s" type="number" step="1" min="1" value="%2$s" class="small-text" />',
								esc_attr( self::OPTION_READING_SETTING ),
								esc_attr( get_option( self::OPTION_READING_SETTING, '10' ) )
							)
						)
					);
				endif;
		}

		/**
		 * Bump Portfolio > New Activation stat.
		 */
		public function new_activation_stat_bump() {
			if ( function_exists( 'bump_stats_extras' ) ) {
				bump_stats_extras( 'portfolios', 'new-activation' ); // @phan-suppress-current-line PhanUndeclaredFunction -- only calling if it exists.
			}
		}

		/**
		 * Bump Portfolio > Option On/Off stats to get total active.
		 *
		 * @param mixed $old The old option value.
		 * @param mixed $new The new option value.
		 */
		public function update_option_stat_bump( $old, $new ) {
			if ( empty( $old ) && ! empty( $new ) ) {
				if ( function_exists( 'bump_stats_extras' ) ) {

					bump_stats_extras( 'portfolios', 'option-on' ); // @phan-suppress-current-line PhanUndeclaredFunction -- only calling if it exists.
				}
			}

			if ( ! empty( $old ) && empty( $new ) ) {
				if ( function_exists( 'bump_stats_extras' ) ) {

					bump_stats_extras( 'portfolios', 'option-off' ); // @phan-suppress-current-line PhanUndeclaredFunction -- only calling if it exists.
				}
			}
		}

		/**
		 * Bump Portfolio > Published Projects stat when projects are published.
		 */
		public function new_project_stat_bump() {
			if ( function_exists( 'bump_stats_extras' ) ) {

				bump_stats_extras( 'portfolios', 'published-projects' ); // @phan-suppress-current-line PhanUndeclaredFunction -- only calling if it exists.
			}
		}

		/**
		 * Should this Custom Post Type be made available?
		 */
		private function site_supports_custom_post_type() {
			// If the current theme requests it.
			if ( current_theme_supports( self::CUSTOM_POST_TYPE ) || get_option( self::OPTION_NAME, '0' ) ) {
				return true;
			}

			// Otherwise, say no unless something wants to filter us to say yes.
			/** This action is documented in classic-theme-helper/src/custom-post-types/class-nova-restaurant.php */
			return (bool) apply_filters( 'jetpack_enable_cpt', false, self::CUSTOM_POST_TYPE );
		}

		/**
		 * Flush permalinks when CPT option is turned on/off
		 */
		public function flush_rules_on_enable() {
			flush_rewrite_rules();
		}

		/**
		 * Count published projects and flush permalinks when first projects is published
		 */
		public function flush_rules_on_first_project() {
			$projects = get_transient( 'jetpack-portfolio-count-cache' );

			if ( false === $projects ) {
				flush_rewrite_rules();
				$projects = (int) wp_count_posts( self::CUSTOM_POST_TYPE )->publish;

				if ( ! empty( $projects ) ) {
					set_transient( 'jetpack-portfolio-count-cache', $projects, HOUR_IN_SECONDS * 12 );
				}
			}
		}

		/**
		 * Flush permalinks when CPT supported theme is activated
		 */
		public function flush_rules_on_switch() {
			if ( current_theme_supports( self::CUSTOM_POST_TYPE ) ) {
				flush_rewrite_rules();
			}
		}

		/**
		 * On plugin/theme activation, check if current theme supports CPT
		 */
		public static function activation_post_type_support() {
			if ( current_theme_supports( self::CUSTOM_POST_TYPE ) ) {
				update_option( self::OPTION_NAME, '1' );
			}
		}

		/**
		 * On theme switch, check if CPT item exists and disable if not
		 */
		public function deactivation_post_type_support() {
			$portfolios = get_posts(
				array(
					'fields'           => 'ids',
					'posts_per_page'   => 1,
					'post_type'        => self::CUSTOM_POST_TYPE,
					'suppress_filters' => false,
				)
			);

			if ( empty( $portfolios ) ) {
				update_option( self::OPTION_NAME, '0' );
			}
		}

		/**
		 * Register Post Type
		 */
		public function register_post_types() {
			if ( post_type_exists( self::CUSTOM_POST_TYPE ) ) {
				return;
			}

			if ( ! self::site_should_display_portfolios() ) {
				return;
			}

			register_post_type(
				self::CUSTOM_POST_TYPE,
				array(
					'labels'          => array(
						'name'                  => esc_html__( 'Projects', 'jetpack-classic-theme-helper' ),
						'singular_name'         => esc_html__( 'Project', 'jetpack-classic-theme-helper' ),
						'menu_name'             => esc_html__( 'Portfolio', 'jetpack-classic-theme-helper' ),
						'all_items'             => esc_html__( 'All Projects', 'jetpack-classic-theme-helper' ),
						'add_new'               => esc_html__( 'Add New', 'jetpack-classic-theme-helper' ),
						'add_new_item'          => esc_html__( 'Add New Project', 'jetpack-classic-theme-helper' ),
						'edit_item'             => esc_html__( 'Edit Project', 'jetpack-classic-theme-helper' ),
						'new_item'              => esc_html__( 'New Project', 'jetpack-classic-theme-helper' ),
						'view_item'             => esc_html__( 'View Project', 'jetpack-classic-theme-helper' ),
						'search_items'          => esc_html__( 'Search Projects', 'jetpack-classic-theme-helper' ),
						'not_found'             => esc_html__( 'No Projects found', 'jetpack-classic-theme-helper' ),
						'not_found_in_trash'    => esc_html__( 'No Projects found in Trash', 'jetpack-classic-theme-helper' ),
						'filter_items_list'     => esc_html__( 'Filter projects list', 'jetpack-classic-theme-helper' ),
						'items_list_navigation' => esc_html__( 'Project list navigation', 'jetpack-classic-theme-helper' ),
						'items_list'            => esc_html__( 'Projects list', 'jetpack-classic-theme-helper' ),
					),
					'supports'        => array(
						'title',
						'editor',
						'thumbnail',
						'author',
						'post-formats',
						'comments',
						'publicize',
						'wpcom-markdown',
						'revisions',
						'excerpt',
						'custom-fields',
						'newspack_blocks',
					),
					'rewrite'         => array(
						'slug'       => 'portfolio',
						'with_front' => false,
						'feeds'      => true,
						'pages'      => true,
					),
					'public'          => true,
					'show_ui'         => true,
					'menu_position'   => 20,                    // below Pages.
					'menu_icon'       => 'dashicons-portfolio', // 3.8+ dashicon option.
					'capability_type' => 'page',
					'map_meta_cap'    => true,
					'taxonomies'      => array( self::CUSTOM_TAXONOMY_TYPE, self::CUSTOM_TAXONOMY_TAG ),
					'has_archive'     => true,
					'query_var'       => 'portfolio',
					'show_in_rest'    => true,
				)
			);

			register_taxonomy(
				self::CUSTOM_TAXONOMY_TYPE,
				self::CUSTOM_POST_TYPE,
				array(
					'hierarchical'      => true,
					'labels'            => array(
						'name'                  => esc_html__( 'Project Types', 'jetpack-classic-theme-helper' ),
						'singular_name'         => esc_html__( 'Project Type', 'jetpack-classic-theme-helper' ),
						'menu_name'             => esc_html__( 'Project Types', 'jetpack-classic-theme-helper' ),
						'all_items'             => esc_html__( 'All Project Types', 'jetpack-classic-theme-helper' ),
						'edit_item'             => esc_html__( 'Edit Project Type', 'jetpack-classic-theme-helper' ),
						'view_item'             => esc_html__( 'View Project Type', 'jetpack-classic-theme-helper' ),
						'update_item'           => esc_html__( 'Update Project Type', 'jetpack-classic-theme-helper' ),
						'add_new_item'          => esc_html__( 'Add New Project Type', 'jetpack-classic-theme-helper' ),
						'new_item_name'         => esc_html__( 'New Project Type Name', 'jetpack-classic-theme-helper' ),
						'parent_item'           => esc_html__( 'Parent Project Type', 'jetpack-classic-theme-helper' ),
						'parent_item_colon'     => esc_html__( 'Parent Project Type:', 'jetpack-classic-theme-helper' ),
						'search_items'          => esc_html__( 'Search Project Types', 'jetpack-classic-theme-helper' ),
						'items_list_navigation' => esc_html__( 'Project type list navigation', 'jetpack-classic-theme-helper' ),
						'items_list'            => esc_html__( 'Project type list', 'jetpack-classic-theme-helper' ),
					),
					'public'            => true,
					'show_ui'           => true,
					'show_in_nav_menus' => true,
					'show_in_rest'      => true,
					'show_admin_column' => true,
					'query_var'         => true,
					'rewrite'           => array( 'slug' => 'project-type' ),
				)
			);

			register_taxonomy(
				self::CUSTOM_TAXONOMY_TAG,
				self::CUSTOM_POST_TYPE,
				array(
					'hierarchical'      => false,
					'labels'            => array(
						'name'                       => esc_html__( 'Project Tags', 'jetpack-classic-theme-helper' ),
						'singular_name'              => esc_html__( 'Project Tag', 'jetpack-classic-theme-helper' ),
						'menu_name'                  => esc_html__( 'Project Tags', 'jetpack-classic-theme-helper' ),
						'all_items'                  => esc_html__( 'All Project Tags', 'jetpack-classic-theme-helper' ),
						'edit_item'                  => esc_html__( 'Edit Project Tag', 'jetpack-classic-theme-helper' ),
						'view_item'                  => esc_html__( 'View Project Tag', 'jetpack-classic-theme-helper' ),
						'update_item'                => esc_html__( 'Update Project Tag', 'jetpack-classic-theme-helper' ),
						'add_new_item'               => esc_html__( 'Add New Project Tag', 'jetpack-classic-theme-helper' ),
						'new_item_name'              => esc_html__( 'New Project Tag Name', 'jetpack-classic-theme-helper' ),
						'search_items'               => esc_html__( 'Search Project Tags', 'jetpack-classic-theme-helper' ),
						'popular_items'              => esc_html__( 'Popular Project Tags', 'jetpack-classic-theme-helper' ),
						'separate_items_with_commas' => esc_html__( 'Separate tags with commas', 'jetpack-classic-theme-helper' ),
						'add_or_remove_items'        => esc_html__( 'Add or remove tags', 'jetpack-classic-theme-helper' ),
						'choose_from_most_used'      => esc_html__( 'Choose from the most used tags', 'jetpack-classic-theme-helper' ),
						'not_found'                  => esc_html__( 'No tags found.', 'jetpack-classic-theme-helper' ),
						'items_list_navigation'      => esc_html__( 'Project tag list navigation', 'jetpack-classic-theme-helper' ),
						'items_list'                 => esc_html__( 'Project tag list', 'jetpack-classic-theme-helper' ),
					),
					'public'            => true,
					'show_ui'           => true,
					'show_in_nav_menus' => true,
					'show_in_rest'      => true,
					'show_admin_column' => true,
					'query_var'         => true,
					'rewrite'           => array( 'slug' => 'project-tag' ),
				)
			);

			register_taxonomy_for_object_type( 'post_format', self::CUSTOM_POST_TYPE );
		}

		/**
		 * Update messages for the Portfolio admin.
		 *
		 * @param array $messages Existing post update messages.
		 */
		public function updated_messages( $messages ) {
			global $post;

			$messages[ self::CUSTOM_POST_TYPE ] = array(
				0  => '', // Unused. Messages start at index 1.
				1  => sprintf(
					/* Translators: link to portfolio item's page. */
					__( 'Project updated. <a href="%s">View item</a>', 'jetpack-classic-theme-helper' ),
					esc_url( get_permalink( $post->ID ) )
				),
				2  => esc_html__( 'Custom field updated.', 'jetpack-classic-theme-helper' ),
				3  => esc_html__( 'Custom field deleted.', 'jetpack-classic-theme-helper' ),
				4  => esc_html__( 'Project updated.', 'jetpack-classic-theme-helper' ),
				5  => isset( $_GET['revision'] ) // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Copying core message handling.
					? sprintf(
						/* translators: %s: date and time of the revision */
						esc_html__( 'Project restored to revision from %s', 'jetpack-classic-theme-helper' ),
						wp_post_revision_title( (int) $_GET['revision'], false ) // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Copying core message handling.
					)
					: false,
				6  => sprintf(
					/* Translators: link to portfolio item's page. */
					__( 'Project published. <a href="%s">View project</a>', 'jetpack-classic-theme-helper' ),
					esc_url( get_permalink( $post->ID ) )
				),
				7  => esc_html__( 'Project saved.', 'jetpack-classic-theme-helper' ),
				8  => sprintf(
					/* Translators: link to portfolio item's page. */
					__( 'Project submitted. <a target="_blank" href="%s">Preview project</a>', 'jetpack-classic-theme-helper' ),
					esc_url( add_query_arg( 'preview', 'true', get_permalink( $post->ID ) ) )
				),
				9  => sprintf(
					/* Translators: 1: Publishing date and time. 2. Link to portfolio's item page. */
					__( 'Project scheduled for: <strong>%1$s</strong>. <a target="_blank" href="%2$s">Preview project</a>', 'jetpack-classic-theme-helper' ),
					/* translators: Publish box date format, see https://php.net/date */
					date_i18n( __( 'M j, Y @ G:i', 'jetpack-classic-theme-helper' ), strtotime( $post->post_date ) ),
					esc_url( get_permalink( $post->ID ) )
				),
				10 => sprintf(
					/* Translators: link to portfolio item's page. */
					__( 'Project item draft updated. <a target="_blank" href="%s">Preview project</a>', 'jetpack-classic-theme-helper' ),
					esc_url( add_query_arg( 'preview', 'true', get_permalink( $post->ID ) ) )
				),
			);

			return $messages;
		}

		/**
		 * Change ‘Title’ column label
		 * Add Featured Image column
		 *
		 * @param array $columns An array of column names.
		 */
		public function edit_admin_columns( $columns ) {
			// change 'Title' to 'Project'.
			$columns['title'] = __( 'Project', 'jetpack-classic-theme-helper' );
			if ( current_theme_supports( 'post-thumbnails' ) ) {
				// add featured image before 'Project'.
				$columns = array_slice( $columns, 0, 1, true ) + array( 'thumbnail' => '' ) + array_slice( $columns, 1, null, true );
			}

			return $columns;
		}

		/**
		 * Add featured image to column
		 *
		 * @param string $column  The name of the column to display.
		 * @param int    $post_id The current post ID.
		 */
		public function image_column( $column, $post_id ) {
			if ( 'thumbnail' !== $column ) {
				return;
			}

			echo get_the_post_thumbnail( $post_id, 'jetpack-portfolio-admin-thumb' );
		}

		/**
		 * Adjust image column width
		 *
		 * @param string $hook Page hook.
		 */
		public function enqueue_admin_styles( $hook ) {
			$screen = get_current_screen();

			if (
			'edit.php' === $hook
			&& self::CUSTOM_POST_TYPE === $screen->post_type
			&& current_theme_supports( 'post-thumbnails' )
			) {
				wp_add_inline_style( 'wp-admin', '.manage-column.column-thumbnail { width: 50px; } @media screen and (max-width: 360px) { .column-thumbnail{ display:none; } }' );
			}
		}

		/**
		 * Adds portfolio section to the Customizer.
		 *
		 * @param WP_Customize_Manager $wp_customize Customizer instance.
		 */
		public function customize_register( $wp_customize ) {
			$options = get_theme_support( self::CUSTOM_POST_TYPE );

			if ( ( ! isset( $options[0]['title'] ) || true !== $options[0]['title'] ) && ( ! isset( $options[0]['content'] ) || true !== $options[0]['content'] ) && ( ! isset( $options[0]['featured-image'] ) || true !== $options[0]['featured-image'] ) ) {
				return;
			}

			$wp_customize->add_section(
				'jetpack_portfolio',
				array(
					'title'          => esc_html__( 'Portfolio', 'jetpack-classic-theme-helper' ),
					'theme_supports' => self::CUSTOM_POST_TYPE,
					'priority'       => 130,
				)
			);

			if ( isset( $options[0]['title'] ) && true === $options[0]['title'] ) {
				$wp_customize->add_setting(
					'jetpack_portfolio_title',
					array(
						'default'              => esc_html__( 'Projects', 'jetpack-classic-theme-helper' ),
						'type'                 => 'option',
						'sanitize_callback'    => 'sanitize_text_field',
						'sanitize_js_callback' => 'sanitize_text_field',
					)
				);

				$wp_customize->add_control(
					'jetpack_portfolio_title',
					array(
						'section' => 'jetpack_portfolio',
						'label'   => esc_html__( 'Portfolio Archive Title', 'jetpack-classic-theme-helper' ),
						'type'    => 'text',
					)
				);
			}

			if ( isset( $options[0]['content'] ) && true === $options[0]['content'] ) {
				$wp_customize->add_setting(
					'jetpack_portfolio_content',
					array(
						'default'              => '',
						'type'                 => 'option',
						'sanitize_callback'    => 'wp_kses_post',
						'sanitize_js_callback' => 'wp_kses_post',
					)
				);

				$wp_customize->add_control(
					'jetpack_portfolio_content',
					array(
						'section' => 'jetpack_portfolio',
						'label'   => esc_html__( 'Portfolio Archive Content', 'jetpack-classic-theme-helper' ),
						'type'    => 'textarea',
					)
				);
			}

			if ( isset( $options[0]['featured-image'] ) && true === $options[0]['featured-image'] ) {
				$wp_customize->add_setting(
					'jetpack_portfolio_featured_image',
					array(
						'default'              => '',
						'type'                 => 'option',
						'sanitize_callback'    => 'attachment_url_to_postid',
						'sanitize_js_callback' => 'attachment_url_to_postid',
						'theme_supports'       => 'post-thumbnails',
					)
				);

				$wp_customize->add_control(
					new WP_Customize_Image_Control(
						$wp_customize,
						'jetpack_portfolio_featured_image',
						array(
							'section' => 'jetpack_portfolio',
							'label'   => esc_html__( 'Portfolio Archive Featured Image', 'jetpack-classic-theme-helper' ),
						)
					)
				);
			}
		}

		/**
		 * Follow CPT reading setting on CPT archive and taxonomy pages
		 *
		 *  @param WP_Query $query A WP_Query instance.
		 */
		public function query_reading_setting( $query ) {
			if ( ( ! is_admin() || ( is_admin() && defined( 'DOING_AJAX' ) && DOING_AJAX ) )
				&& $query->is_main_query()
				&& ( $query->is_post_type_archive( self::CUSTOM_POST_TYPE )
					|| $query->is_tax( self::CUSTOM_TAXONOMY_TYPE )
					|| $query->is_tax( self::CUSTOM_TAXONOMY_TAG ) )
			) {
				$query->set( 'posts_per_page', get_option( self::OPTION_READING_SETTING, '10' ) );
			}
		}

		/**
		 * If Infinite Scroll is set to 'click', use our custom reading setting instead of core's `posts_per_page`.
		 *
		 * @param array $settings Array of Infinite Scroll settings.
		 */
		public function infinite_scroll_click_posts_per_page( $settings ) {
			global $wp_query;

			if ( ( ! is_admin() || ( is_admin() && defined( 'DOING_AJAX' ) && DOING_AJAX ) )
				&& true === $settings['click_handle']
				&& ( $wp_query->is_post_type_archive( self::CUSTOM_POST_TYPE )
					|| $wp_query->is_tax( self::CUSTOM_TAXONOMY_TYPE )
					|| $wp_query->is_tax( self::CUSTOM_TAXONOMY_TAG ) )
			) {
				$settings['posts_per_page'] = get_option( self::OPTION_READING_SETTING, $settings['posts_per_page'] );
			}

			return $settings;
		}

		/**
		 * Filter the results of infinite scroll to make sure we get `lastbatch` right.
		 *
		 * @param array    $results    Array of Infinite Scroll results.
		 * @param array    $query_args Array of main query arguments.
		 * @param WP_Query $query      WP Query.
		 */
		public function infinite_scroll_results( $results, $query_args, $query ) {
			$results['lastbatch'] = $query_args['paged'] >= $query->max_num_pages;
			return $results;
		}

		/**
		 * Add CPT to Dotcom sitemap
		 *
		 * @param array $post_types Array of post types included in sitemap.
		 */
		public function add_to_sitemap( $post_types ) {
			$post_types[] = self::CUSTOM_POST_TYPE;

			return $post_types;
		}

		/**
		 * Add to REST API post type allowed list.
		 *
		 * @param array $post_types Array of post types to add to the allowed list. Default to `array( 'post', 'page', 'revision' )`.
		 */
		public function allow_portfolio_rest_api_type( $post_types ) {
			$post_types[] = self::CUSTOM_POST_TYPE;

			return $post_types;
		}

		/**
		 * Our [portfolio] shortcode.
		 * Prints Portfolio data styled to look good on *any* theme.
		 *
		 * @param array $atts Shortcode attributes.
		 *
		 * @return string html
		 */
		public static function portfolio_shortcode( $atts ) {
			// Default attributes.
			$atts = shortcode_atts(
				array(
					'display_types'   => true,
					'display_tags'    => true,
					'display_content' => true, // Can be false, true, or full.
					'display_author'  => false,
					'show_filter'     => false,
					'include_type'    => false,
					'include_tag'     => false,
					'columns'         => 2,
					'showposts'       => -1,
					'order'           => 'asc',
					'orderby'         => 'date',
				),
				$atts,
				'portfolio'
			);

			/*
			* A little sanitization for our shortcode attributes aiming to use booleans.
			* Attributes can be booleans (from the default values) or strings.
			*/
			foreach ( $atts as $attribute_name => $attribute_value ) {
				if ( preg_match( '#^(?:display_|show_)#i', $attribute_name ) ) {
					// display_content is a special case.
					if ( 'display_content' === $attribute_name && 'full' === $attribute_value ) {
						$atts['display_content'] = 'full';
						continue;
					}

					$atts[ $attribute_name ] = self::sanitize_boolean_attribute( $attribute_value );
				}
			}

			if ( $atts['include_type'] ) {
				$atts['include_type'] = explode( ',', str_replace( ' ', '', $atts['include_type'] ) );
			}

			if ( $atts['include_tag'] ) {
				$atts['include_tag'] = explode( ',', str_replace( ' ', '', $atts['include_tag'] ) );
			}

			$atts['columns'] = absint( $atts['columns'] );

			$atts['showposts'] = (int) $atts['showposts'];

			if ( $atts['order'] ) {
				$atts['order'] = urldecode( $atts['order'] );
				$atts['order'] = strtoupper( $atts['order'] );
				if ( 'DESC' !== $atts['order'] ) {
					$atts['order'] = 'ASC';
				}
			}

			if ( $atts['orderby'] ) {
				$atts['orderby'] = urldecode( $atts['orderby'] );
				$atts['orderby'] = strtolower( $atts['orderby'] );
				$allowed_keys    = array( 'author', 'date', 'title', 'rand' );

				$parsed = array();
				foreach ( explode( ',', $atts['orderby'] ) as $orderby ) {
					if ( ! in_array( $orderby, $allowed_keys, true ) ) {
						continue;
					}
					$parsed[] = $orderby;
				}

				if ( empty( $parsed ) ) {
					unset( $atts['orderby'] );
				} else {
					$atts['orderby'] = implode( ' ', $parsed );
				}
			}

			// enqueue shortcode styles when shortcode is used.
			if ( ! wp_style_is( 'jetpack-portfolio-style', 'enqueued' ) ) {
				wp_enqueue_style( 'jetpack-portfolio-style', plugins_url( 'css/portfolio-shortcode.css', __FILE__ ), array(), '20140326' );
			}

			return self::portfolio_shortcode_html( $atts );
		}

		/**
		 * Sanitizes an attribute value.
		 * Attributes can be booleans (from the default values) or strings.
		 *
		 * @since 11.0
		 *
		 * @param bool|string $attr Shortcode attribute value.
		 *
		 * @return bool
		 */
		private static function sanitize_boolean_attribute( $attr ) {
			if ( $attr && 'true' == $attr ) { // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual
				return true;
			}

			return false;
		}

		/**
		 * Query to retrieve entries from the Portfolio post_type.
		 *
		 * @param array $atts Shortcode attributes.
		 *
		 * @return object
		 */
		private static function portfolio_query( $atts ) {
			// Default query arguments.
			$default = array(
				'order'          => $atts['order'],
				'posts_per_page' => $atts['showposts'],
			);

			if ( ! empty( $atts['orderby'] ) ) {
				$default['orderby'] = $atts['orderby'];
			}

			$args              = wp_parse_args( $atts, $default );
			$args['post_type'] = self::CUSTOM_POST_TYPE; // Force this post type.

			if ( $atts['include_type'] || $atts['include_tag'] ) {
				$args['tax_query'] = array();
			}

			// If 'include_type' has been set use it on the main query.
			if ( $atts['include_type'] ) {
				array_push(
					$args['tax_query'],
					array(
						'taxonomy' => self::CUSTOM_TAXONOMY_TYPE,
						'field'    => 'slug',
						'terms'    => $atts['include_type'],
					)
				);
			}

			// If 'include_tag' has been set use it on the main query.
			if ( $atts['include_tag'] ) {
				array_push(
					$args['tax_query'],
					array(
						'taxonomy' => self::CUSTOM_TAXONOMY_TAG,
						'field'    => 'slug',
						'terms'    => $atts['include_tag'],
					)
				);
			}

			if ( $atts['include_type'] && $atts['include_tag'] ) {
				$args['tax_query']['relation'] = 'AND';
			}

			// Run the query and return.
			$query = new WP_Query( $args );
			return $query;
		}

		/**
		 * The Portfolio shortcode loop.
		 *
		 * @todo add theme color styles
		 *
		 * @param array $atts Shortcode attributes.
		 *
		 * @return string html
		 */
		private static function portfolio_shortcode_html( $atts ) {
			$query                  = self::portfolio_query( $atts );
			$portfolio_index_number = 0;

			ob_start();

			/*
			* If we have posts, create the html
			* with portfolio markup
			*/
			if ( $query->have_posts() ) {
				/*
				* Render styles
				* See self::themecolor_styles();
				*/
				?>
				<div class="jetpack-portfolio-shortcode column-<?php echo esc_attr( $atts['columns'] ); ?>">
				<?php
				// open .jetpack-portfolio.

				// Construct the loop...
				while ( $query->have_posts() ) {
					$query->the_post();
					$post_id = get_the_ID();
					?>
					<div class="portfolio-entry <?php echo esc_attr( self::get_project_class( $portfolio_index_number, (int) $atts['columns'] ) ); ?>">
						<header class="portfolio-entry-header">
						<?php
						// Featured image.
						echo self::get_portfolio_thumbnail_link( $post_id ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- escaped in method.
						?>

						<h2 class="portfolio-entry-title"><a href="<?php echo esc_url( get_permalink() ); ?>" title="<?php echo esc_attr( the_title_attribute() ); ?>"><?php the_title(); ?></a></h2>

							<div class="portfolio-entry-meta">
							<?php
							if ( $atts['display_types'] ) {
								echo self::get_project_type( $post_id ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- escaped in method.
							}

							if ( $atts['display_tags'] ) {
								echo self::get_project_tags( $post_id ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- escaped in method.
							}

							if ( $atts['display_author'] ) {
								echo self::get_project_author(); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- escaped in method.
							}
							?>
							</div>

						</header>

					<?php
					// The content.
					if ( $atts['display_content'] ) {
						add_filter( 'wordads_inpost_disable', '__return_true', 20 );
						if ( 'full' === $atts['display_content'] ) {
							?>
							<div class="portfolio-entry-content"><?php the_content(); ?></div>
							<?php
						} else {
							?>
							<div class="portfolio-entry-content"><?php the_excerpt(); ?></div>
							<?php
						}
						remove_filter( 'wordads_inpost_disable', '__return_true', 20 );
					}
					?>
					</div><!-- close .portfolio-entry -->
					<?php
					++$portfolio_index_number;
				} // end of while loop.

				wp_reset_postdata();
				?>
				</div><!-- close .jetpack-portfolio -->
				<?php
			} else {
				?>
				<p><em><?php esc_html_e( 'Your Portfolio Archive currently has no entries. You can start creating them on your dashboard.', 'jetpack-classic-theme-helper' ); ?></p></em>
				<?php
			}
			$html = ob_get_clean();

			// If there is a [portfolio] within a [portfolio], remove the shortcode.
			if ( has_shortcode( $html, 'portfolio' ) ) {
				remove_shortcode( 'portfolio' );
			}

			// Return the HTML block.
			return $html;
		}

		/**
		 * Individual project class
		 *
		 * @param int $portfolio_index_number Index number when looping through Portfolio items.
		 * @param int $columns                Number of columns in shortcode output.
		 * @return string
		 */
		private static function get_project_class( $portfolio_index_number, $columns ) {
			$columns       = is_numeric( $columns ) ? max( 1, $columns ) : 1;
			$project_types = wp_get_object_terms( get_the_ID(), self::CUSTOM_TAXONOMY_TYPE, array( 'fields' => 'slugs' ) );
			$class         = array();

			$class[] = 'portfolio-entry-column-' . $columns;
			// add a type- class for each project type.
			foreach ( $project_types as $project_type ) {
				$class[] = 'type-' . esc_html( $project_type );
			}
			if ( $columns > 1 ) {
				if ( ( $portfolio_index_number % 2 ) === 0 ) {
					$class[] = 'portfolio-entry-mobile-first-item-row';
				} else {
					$class[] = 'portfolio-entry-mobile-last-item-row';
				}
			}

			// add first and last classes to first and last items in a row.
			if ( ( $portfolio_index_number % $columns ) === 0 ) {
				$class[] = 'portfolio-entry-first-item-row';
			} elseif ( ( $portfolio_index_number % $columns ) === ( $columns - 1 ) ) {
				$class[] = 'portfolio-entry-last-item-row';
			}

			/**
			 * Filter the class applied to project div in the portfolio
			 *
			 * @module custom-content-types
			 *
			 * @since 3.1.0
			 *
			 * @param string $class class name of the div.
			 * @param int $portfolio_index_number iterator count the number of columns up starting from 0.
			 * @param int $columns number of columns to display the content in.
			 */
			return apply_filters(
				'portfolio-project-post-class', // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
				implode( ' ', $class ),
				$portfolio_index_number,
				$columns
			);
		}

		/**
		 * Displays the project type that a project belongs to.
		 *
		 * @param int $post_id Post ID.
		 *
		 * @return string html
		 */
		private static function get_project_type( $post_id ) {
			$project_types = get_the_terms( $post_id, self::CUSTOM_TAXONOMY_TYPE );

			// If no types, return empty string.
			if ( empty( $project_types ) || is_wp_error( $project_types ) ) {
				return '';
			}

			$html  = '<div class="project-types"><span>' . __( 'Types:', 'jetpack-classic-theme-helper' ) . '</span>';
			$types = array();
			// Loop through all the types.
			foreach ( $project_types as $project_type ) {
				$project_type_link = get_term_link( $project_type, self::CUSTOM_TAXONOMY_TYPE );

				if ( is_wp_error( $project_type_link ) ) {
					return '';
				}

				$types[] = '<a href="' . esc_url( $project_type_link ) . '" rel="tag">' . esc_html( $project_type->name ) . '</a>';
			}
			$html .= ' ' . implode( ', ', $types );
			$html .= '</div>';

			return $html;
		}

		/**
		 * Displays the project tags that a project belongs to.
		 *
		 * @param int $post_id Post ID.
		 *
		 * @return string html
		 */
		private static function get_project_tags( $post_id ) {
			$project_tags = get_the_terms( $post_id, self::CUSTOM_TAXONOMY_TAG );

			// If no tags, return empty string.
			if ( empty( $project_tags ) || is_wp_error( $project_tags ) ) {
				return '';
			}

			$html = '<div class="project-tags"><span>' . __( 'Tags:', 'jetpack-classic-theme-helper' ) . '</span>';
			$tags = array();
			// Loop through all the tags.
			foreach ( $project_tags as $project_tag ) {
				$project_tag_link = get_term_link( $project_tag, self::CUSTOM_TAXONOMY_TYPE );

				if ( is_wp_error( $project_tag_link ) ) {
					return '';
				}

				$tags[] = '<a href="' . esc_url( $project_tag_link ) . '" rel="tag">' . esc_html( $project_tag->name ) . '</a>';
			}
			$html .= ' ' . implode( ', ', $tags );
			$html .= '</div>';

			return $html;
		}

		/**
		 * Displays the author of the current portfolio project.
		 *
		 * @return string html
		 */
		private static function get_project_author() {
			$html  = '<div class="project-author">';
			$html .= sprintf(
				/* translators: %1$s is link to author posts, %2$s is author display name */
				__( '<span>Author:</span> <a href="%1$s">%2$s</a>', 'jetpack-classic-theme-helper' ),
				esc_url( get_author_posts_url( (int) get_the_author_meta( 'ID' ) ) ),
				esc_html( get_the_author() )
			);
			$html .= '</div>';

			return $html;
		}

		/**
		 * Display the featured image if it's available
		 *
		 * @param int $post_id Post ID.
		 *
		 * @return string html
		 */
		private static function get_portfolio_thumbnail_link( $post_id ) {
			if ( has_post_thumbnail( $post_id ) ) {
				/**
				 * Change the Portfolio thumbnail size.
				 *
				 * @module custom-content-types
				 *
				 * @since 3.4.0
				 *
				 * @param string|array $var Either a registered size keyword or size array.
				 */
				return '<a class="portfolio-featured-image" href="' . esc_url( get_permalink( $post_id ) ) . '">' . get_the_post_thumbnail( $post_id, apply_filters( 'jetpack_portfolio_thumbnail_size', 'large' ) ) . '</a>';
			}
		}
	}
}
