<?php
/**
 * Menu file.
 *
 * @package Activitypub
 */

namespace Activitypub\WP_Admin;

use function Activitypub\user_can_activitypub;

/**
 * ActivityPub Menu Class.
 */
class Menu {

	/**
	 * Initialize the Menu class.
	 */
	public static function init() {
		\add_action( 'admin_menu', array( self::class, 'admin_menu' ) );
		\add_action( 'admin_bar_menu', array( self::class, 'admin_bar_menu' ), 100 );
	}

	/**
	 * Add admin menu entry.
	 */
	public static function admin_menu() {
		$settings_page = \add_options_page(
			\_x( 'Welcome', 'page title', 'activitypub' ),
			'ActivityPub',
			'manage_options',
			'activitypub',
			array( Settings::class, 'settings_page' )
		);

		\add_action( 'load-' . $settings_page, array( Settings::class, 'add_settings_help_tab' ) );
		\add_action( 'load-users.php', array( Settings::class, 'add_users_help_tab' ) );
		\add_action( 'load-' . $settings_page, array( Admin::class, 'add_settings_list_tables' ) );
		\add_action( 'load-' . $settings_page, array( Screen_Options::class, 'add_settings_list_options' ) );

		if ( \get_option( 'activitypub_reader_ui', '0' ) && App::is_supported() ) {
			$app_hook = \add_dashboard_page(
				\__( 'Social Web', 'activitypub' ),
				\__( 'Social Web', 'activitypub' ),
				ACTIVITYPUB_BLOG_MODE === \get_option( 'activitypub_actor_mode' ) ? 'manage_options' : 'activitypub',
				'activitypub-social-web',
				array( App::class, 'render_page' )
			);

			\add_action( 'load-' . $app_hook, array( App::class, 'remove_admin_notices' ) );
			\add_action( 'admin_print_scripts-' . $app_hook, array( App::class, 'enqueue_scripts' ) );
		}

		// User has to be able to publish posts.
		if ( user_can_activitypub( \get_current_user_id() ) ) {
			$followers_list_page = \add_users_page(
				\__( 'Followers ⁂', 'activitypub' ),
				\__( 'Followers ⁂', 'activitypub' ),
				'activitypub',
				'activitypub-followers-list',
				array( Admin::class, 'followers_list_page' )
			);

			\add_action( 'load-' . $followers_list_page, array( Admin::class, 'add_followers_list_table' ) );
			\add_action( 'load-' . $followers_list_page, array( Screen_Options::class, 'add_followers_list_options' ) );

			if ( '1' === \get_option( 'activitypub_following_ui', '0' ) ) {
				$following_list_page = \add_users_page(
					\__( 'Following ⁂', 'activitypub' ),
					\__( 'Following ⁂', 'activitypub' ),
					'activitypub',
					'activitypub-following-list',
					array( Admin::class, 'following_list_page' )
				);

				\add_action( 'load-' . $following_list_page, array( Admin::class, 'add_following_list_table' ) );
				\add_action( 'load-' . $following_list_page, array( Settings::class, 'add_following_help_tab' ) );
				\add_action( 'load-' . $following_list_page, array( Screen_Options::class, 'add_following_list_options' ) );
			}

			// Only show blocked actors page if user has blocked actors.
			$blocked_actors_list_page = \add_users_page(
				\__( 'Blocked Actors ⁂', 'activitypub' ),
				\__( 'Blocked Actors ⁂', 'activitypub' ),
				'activitypub',
				'activitypub-blocked-actors-list',
				array( Admin::class, 'blocked_actors_list_page' )
			);

			\add_action( 'load-' . $blocked_actors_list_page, array( Admin::class, 'add_blocked_actors_list_table' ) );
			\add_action( 'load-' . $blocked_actors_list_page, array( Screen_Options::class, 'add_blocked_actors_list_options' ) );

			\add_users_page(
				\__( 'Extra Fields ⁂', 'activitypub' ),
				\__( 'Extra Fields ⁂', 'activitypub' ),
				'activitypub',
				\esc_url( \admin_url( '/edit.php?post_type=ap_extrafield' ) )
			);
		}
	}

	/**
	 * Add Social Web item to the admin bar.
	 *
	 * @param \WP_Admin_Bar $wp_admin_bar The WP_Admin_Bar instance.
	 */
	public static function admin_bar_menu( $wp_admin_bar ) {
		// Only show if reader UI is enabled and the WordPress app boot stack is available.
		if ( ! \get_option( 'activitypub_reader_ui', '0' ) || ! App::is_supported() ) {
			return;
		}

		// Check user capability based on actor mode.
		$capability = ACTIVITYPUB_BLOG_MODE === \get_option( 'activitypub_actor_mode' ) ? 'manage_options' : 'activitypub';
		if ( ! \current_user_can( $capability ) ) {
			return;
		}

		$wp_admin_bar->add_node(
			array(
				'id'    => 'activitypub-social-web',
				'title' => \__( 'Social Web', 'activitypub' ),
				'href'  => \admin_url( 'admin.php?page=activitypub-social-web' ),
				'meta'  => array(
					'class' => 'activitypub-admin-bar-social-web',
					'title' => \__( 'View your Social Web feed', 'activitypub' ),
				),
			)
		);

		// Enqueue styles for the admin bar icon.
		\wp_enqueue_style(
			'activitypub-admin-bar-styles',
			\plugins_url( 'assets/css/activitypub-admin-bar.css', ACTIVITYPUB_PLUGIN_FILE ),
			array(),
			ACTIVITYPUB_PLUGIN_VERSION
		);
	}
}