<?php
/**
 * File: Root_AdminMenu.php
 *
 * @package W3TC
 */

namespace W3TC;

/**
 * Class: Root_AdminMenu
 */
class Root_AdminMenu {
	/**
	 * Current page
	 *
	 * @var string
	 */
	protected $_page = 'w3tc_dashboard'; // phpcs:ignore PSR2.Classes.PropertyDeclaration.Underscore

	/**
	 * Config.
	 *
	 * @var array
	 */
	private $_config; // phpcs:ignore PSR2.Classes.PropertyDeclaration.Underscore

	/**
	 * Constructor.
	 */
	public function __construct() {
		$this->_config = Dispatcher::config();
	}

	/**
	 * Generate menu array.
	 *
	 * @return array
	 */
	public function generate_menu_array() {
		$pages = array(
			'w3tc_dashboard'        => array(
				'page_title'     => __( 'Dashboard', 'w3-total-cache' ),
				'menu_text'      => __( 'Dashboard', 'w3-total-cache' ),
				'visible_always' => true,
				'order'          => 100,
			),
			'w3tc_feature_showcase' => array(
				'page_title'     => __( 'Feature Showcase', 'w3-total-cache' ),
				'menu_text'      => __( 'Feature Showcase', 'w3-total-cache' ),
				'visible_always' => false,
				'order'          => 200,
			),
			'w3tc_general'          => array(
				'page_title'     => __( 'General Settings', 'w3-total-cache' ),
				'menu_text'      => __( 'General Settings', 'w3-total-cache' ),
				'visible_always' => false,
				'order'          => 300,
			),
			'w3tc_pgcache'          => array(
				'page_title'     => __( 'Page Cache', 'w3-total-cache' ),
				'menu_text'      => __( 'Page Cache', 'w3-total-cache' ),
				'visible_always' => false,
				'order'          => 400,
			),
			'w3tc_minify'           => array(
				'page_title'     => __( 'Minify', 'w3-total-cache' ),
				'menu_text'      => __( 'Minify', 'w3-total-cache' ),
				'visible_always' => false,
				'order'          => 500,
			),
			'w3tc_dbcache'          => array(
				'page_title'     => __( 'Database Cache', 'w3-total-cache' ),
				'menu_text'      => __( 'Database Cache', 'w3-total-cache' ),
				'visible_always' => false,
				'order'          => 600,
			),
			'w3tc_objectcache'      => array(
				'page_title'     => __( 'Object Cache', 'w3-total-cache' ),
				'menu_text'      => __( 'Object Cache', 'w3-total-cache' ),
				'visible_always' => false,
				'order'          => 700,
			),
			'w3tc_browsercache'     => array(
				'page_title'     => __( 'Browser Cache', 'w3-total-cache' ),
				'menu_text'      => __( 'Browser Cache', 'w3-total-cache' ),
				'visible_always' => false,
				'order'          => 800,
			),
			'w3tc_cachegroups'      => array(
				'page_title'     => __( 'Cache Groups', 'w3-total-cache' ),
				'menu_text'      => __( 'Cache Groups', 'w3-total-cache' ),
				'visible_always' => false,
				'order'          => 900,
			),
			'w3tc_cdn'              => array(
				'page_title'     => __( 'Content Delivery Network', 'w3-total-cache' ),
				'menu_text'      => sprintf(
					'<acronym title="%1$s">CDN</acronym>',
					__( 'Content Delivery Network', 'w3-total-cache' )
				),
				'visible_always' => false,
				'order'          => 1000,
			),
			'w3tc_faq'              => array(
				'page_title'     => __( 'FAQ', 'w3-total-cache' ),
				'menu_text'      => __( 'FAQ', 'w3-total-cache' ),
				'visible_always' => true,
				'order'          => 1100,
				'redirect_faq'   => '*',
			),
			'w3tc_support'          => array(
				'page_title'     => __( 'Support', 'w3-total-cache' ),
				'menu_text'      => __( 'Support', 'w3-total-cache' ),
				'visible_always' => true,
				'order'          => 1200,
			),
			'w3tc_install'          => array(
				'page_title'     => __( 'Install', 'w3-total-cache' ),
				'menu_text'      => __( 'Install', 'w3-total-cache' ),
				'visible_always' => false,
				'order'          => 1300,
			),
			'w3tc_setup_guide'      => array(
				'page_title'     => __( 'Setup Guide', 'w3-total-cache' ),
				'menu_text'      => __( 'Setup Guide', 'w3-total-cache' ),
				'visible_always' => false,
				'order'          => 1400,
			),
			'w3tc_about'            => array(
				'page_title'     => __( 'About', 'w3-total-cache' ),
				'menu_text'      => __( 'About', 'w3-total-cache' ),
				'visible_always' => true,
				'order'          => 1500,
			),
		);

		$pages = apply_filters( 'w3tc_admin_menu', $pages, $this->_config );

		return $pages;
	}

	/**
	 * Generate menu.
	 *
	 * @param  string $base_capability Base compatibility.
	 * @return array
	 */
	public function generate( $base_capability ) {
		$pages = $this->generate_menu_array();

		uasort(
			$pages,
			function( $a, $b ) {
				return ( $a['order'] - $b['order'] );
			}
		);

		add_menu_page(
			__( 'Performance', 'w3-total-cache' ),
			__( 'Performance', 'w3-total-cache' ),
			apply_filters(
				'w3tc_capability_menu_w3tc_dashboard',
				$base_capability
			),
			'w3tc_dashboard',
			'',
			'none'
		);

		$submenu_pages     = array();
		$is_master         = ( is_network_admin() || ! Util_Environment::is_wpmu() );
		$remaining_visible = ! $this->_config->get_boolean( 'common.force_master' );

		foreach ( $pages as $slug => $titles ) {
			if ( $is_master || $titles['visible_always'] || $remaining_visible ) {
				$hook = add_submenu_page(
					'w3tc_dashboard',
					$titles['page_title'] . ' | W3 Total Cache',
					$titles['menu_text'],
					apply_filters(
						'w3tc_capability_menu_' . $slug,
						$base_capability
					),
					$slug,
					array(
						$this,
						'options',
					)
				);

				$submenu_pages[] = $hook;
			}
		}

		return $submenu_pages;
	}

	/**
	 * Options page.
	 */
	public function options() {
		$this->_page = Util_Request::get_string( 'page' );

		if ( ! Util_Admin::is_w3tc_admin_page() ) {
			$this->_page = 'w3tc_dashboard';
		}

		/*
		 * Hidden pages.
		 */
		if ( isset( $_REQUEST['w3tc_dbcluster_config'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification
			$options_dbcache = new DbCache_Page();
			$options_dbcache->dbcluster_config();
		}

		/**
		 * Show tab.
		 */
		switch ( $this->_page ) {
			case 'w3tc_dashboard':
				$options_dashboard = new Generic_Page_Dashboard();
				$options_dashboard->options();
				break;

			case 'w3tc_general':
				$options_general = new Generic_Page_General();
				$options_general->options();
				break;

			case 'w3tc_pgcache':
				$options_pgcache = new PgCache_Page();
				$options_pgcache->options();
				break;

			case 'w3tc_minify':
				$options_minify = new Minify_Page();
				$options_minify->options();
				break;

			case 'w3tc_dbcache':
				$options_dbcache = new DbCache_Page();
				$options_dbcache->options();
				break;

			case 'w3tc_objectcache':
				$options_objectcache = new ObjectCache_Page();
				$options_objectcache->options();
				break;

			case 'w3tc_browsercache':
				$options_browsercache = new BrowserCache_Page();
				$options_browsercache->options();
				break;

			case 'w3tc_cachegroups':
				$options_cachegroups = new CacheGroups_Plugin_Admin();
				$options_cachegroups->options();
				break;

			case 'w3tc_cdn':
				$options_cdn = new Cdn_Page();
				$options_cdn->options();
				break;

			case 'w3tc_stats':
				$p = new UsageStatistics_Page();
				$p->render();
				break;

			case 'w3tc_support':
				$options_support = new Support_Page();
				$options_support->options();
				break;

			case 'w3tc_install':
				$options_install = new Generic_Page_Install();
				$options_install->options();
				break;

			case 'w3tc_setup_guide':
				$setup_guide = new SetupGuide_Plugin_Admin();
				$setup_guide->load();
				break;

			case 'w3tc_feature_showcase':
				$feature_showcase = new FeatureShowcase_Plugin_Admin();
				$feature_showcase->load();
				break;

			case 'w3tc_about':
				$options_about = new Generic_Page_About();
				$options_about->options();
				break;
			default:
				// Placeholder to make it the only way to show pages with the time.
				$view = new Base_Page_Settings();
				$view->options();

				do_action( 'w3tc_settings_page-' . $this->_page ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores

				$view->render_footer();

				break;
		}
	}
}
