<?php
namespace artbees\QuickView\Admin;

use artbees\QuickView\Contracts\SettingsRepository;

if ( ! defined( 'ABSPATH' ) ) { exit; }

/** Registers the deliberately scoped WooCommerce → Artbees Quick View for WooCommerce admin workspace. */
final class Workspace {
	private const ARTBEES_MENU_SLUG = 'artbees';
	/** Parent that is not a top-level menu item, so its children stay out of the menu. */
	private const HIDDEN_PARENT = 'artbees-quick-view-screen';
	private $settings;
	public function __construct( SettingsRepository $settings ) { $this->settings = $settings; }
	public function register() {
		add_action( 'admin_menu', array( $this, 'menu' ), 99 );
		add_action( 'admin_enqueue_scripts', array( $this, 'assets' ) );
		add_action( 'in_admin_header', array( $this, 'strip_preview_chrome' ), 0 );
		add_filter( 'admin_body_class', array( $this, 'body_class' ) );
		add_filter( 'parent_file', array( $this, 'highlight_artbees_menu' ) );
		add_filter( 'submenu_file', array( $this, 'highlight_quick_view_submenu' ) );
	}
	public function menu() {
		if ( ! $this->artbees_parent_exists() ) {
			add_menu_page(
				__( 'Artbees', 'artbees-quick-view' ),
				__( 'Artbees', 'artbees-quick-view' ),
				'manage_woocommerce',
				self::ARTBEES_MENU_SLUG,
				array( $this, 'redirect_to_workspace' ),
				$this->admin_menu_icon(),
				56
			);
		}
		add_submenu_page( self::ARTBEES_MENU_SLUG, __( 'Artbees Quick View', 'artbees-quick-view' ), __( 'Quick View', 'artbees-quick-view' ), 'manage_woocommerce', 'artbees-quick-view', array( $this, 'setup_screen' ) );
		remove_submenu_page( self::ARTBEES_MENU_SLUG, self::ARTBEES_MENU_SLUG );
		// A null parent makes admin-header.php pass null into strip_tags(). These
		// screens stay URL-reachable and keep the admin_page_{slug} hook Pro matches.
		// WordPress recalculates the parent after parent_file filters, so the hidden
		// parent is mapped back to Artbees and Quick View stays highlighted.
		$this->hidden_screen( __( 'Quick View Settings', 'artbees-quick-view' ), __( 'Settings', 'artbees-quick-view' ), 'artbees-quick-view-settings', array( $this, 'settings_screen' ) );
		$this->hidden_screen( __( 'Quick View Visibility', 'artbees-quick-view' ), __( 'Visibility', 'artbees-quick-view' ), 'artbees-quick-view-visibility', array( $this, 'visibility_screen' ) );
		$this->hidden_screen( __( 'Quick View Status', 'artbees-quick-view' ), __( 'Status', 'artbees-quick-view' ), 'artbees-quick-view-status', array( $this, 'status_screen' ) );
		if ( defined( 'artbees_QV_PRO_VERSION' ) ) {
			$this->hidden_screen( __( 'Quick View Advanced', 'artbees-quick-view' ), __( 'Advanced', 'artbees-quick-view' ), 'artbees-quick-view-advanced', array( $this, 'advanced_screen' ) );
		}
		$this->hidden_screen( __( 'Quick View preview', 'artbees-quick-view' ), __( 'Quick View preview', 'artbees-quick-view' ), 'artbees-quick-view-preview', array( $this, 'preview_screen' ) );
		global $_wp_real_parent_file;
		if ( ! is_array( $_wp_real_parent_file ) ) {
			$_wp_real_parent_file = array();
		}
		$_wp_real_parent_file[ self::HIDDEN_PARENT ] = self::ARTBEES_MENU_SLUG;
	}
	private function hidden_screen( $page_title, $menu_title, $slug, $callback ) {
		global $_registered_pages;
		add_submenu_page( self::HIDDEN_PARENT, $page_title, $menu_title, 'manage_woocommerce', $slug, $callback );
		// Authorization resolves the highlighted Artbees parent and checks that hook.
		if ( ! is_array( $_registered_pages ) ) {
			$_registered_pages = array();
		}
		$_registered_pages[ get_plugin_page_hookname( $slug, self::ARTBEES_MENU_SLUG ) ] = true;
	}
	public function redirect_to_workspace() {
		wp_safe_redirect( admin_url( 'admin.php?page=artbees-quick-view' ) );
		exit;
	}
	private function artbees_parent_exists() {
		global $menu;
		foreach ( is_array( $menu ) ? $menu : array() as $menu_item ) {
			if ( is_array( $menu_item ) && isset( $menu_item[2] ) && self::ARTBEES_MENU_SLUG === $menu_item[2] ) { return true; }
		}
		return false;
	}
	private function admin_menu_icon() {
		$path = __DIR__ . '/assets/artbees-admin-menu-icon.svg';
		if ( ! is_readable( $path ) ) { return 'dashicons-art'; }
		$svg = file_get_contents( $path ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
		return is_string( $svg ) && '' !== $svg ? 'data:image/svg+xml;base64,' . base64_encode( $svg ) : 'dashicons-art'; // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode
	}
	public function highlight_artbees_menu( $parent_file ) {
		return $this->is_workspace_page() && $this->artbees_parent_exists() ? self::ARTBEES_MENU_SLUG : $parent_file;
	}
	public function highlight_quick_view_submenu( $submenu_file ) {
		return $this->is_workspace_page() ? 'artbees-quick-view' : $submenu_file;
	}
	private function is_workspace_page() {
		$page = isset( $_GET['page'] ) ? sanitize_key( wp_unslash( $_GET['page'] ) ) : ''; // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Read-only admin page identifier.
		return 'artbees-quick-view' === $page || 0 === strpos( $page, 'artbees-quick-view-' );
	}
	public function setup_screen() { $this->screen( 'setup' ); }
	public function settings_screen() { $this->screen( 'settings' ); }
	public function visibility_screen() { $this->screen( 'visibility' ); }
	public function status_screen() { $this->screen( 'status' ); }
	public function advanced_screen() { $this->screen( 'advanced' ); }
	public function preview_screen() { $this->screen( 'preview' ); }
	public function is_preview_page() {
		return isset( $_GET['page'] ) && 'artbees-quick-view-preview' === $_GET['page']; // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Read-only admin page flag.
	}
	public function strip_preview_chrome() {
		if ( ! $this->is_preview_page() ) { return; }
		remove_all_actions( 'admin_notices' );
		remove_all_actions( 'all_admin_notices' );
		remove_all_actions( 'user_admin_notices' );
		remove_all_actions( 'network_admin_notices' );
	}
	public function body_class( $classes ) {
		if ( $this->is_preview_page() ) { $classes .= ' artbees-qv-preview-page'; }
		return $classes;
	}
	private function screen( $tab ) {
		if ( ! current_user_can( 'manage_woocommerce' ) ) { wp_die( esc_html__( 'You do not have permission to manage Artbees Quick View for WooCommerce.', 'artbees-quick-view' ) ); }
		if ( 'advanced' === $tab && defined( 'artbees_QV_PRO_VERSION' ) ) {
			echo '<div class="wrap artbees-qv-admin"><div id="artbees-quick-view-pro-admin-root"><p>' . esc_html__( 'Loading Quick View…', 'artbees-quick-view' ) . '</p></div></div>';
			return;
		}
		if ( 'preview' === $tab ) {
			echo '<div class="artbees-qv-preview-shell"><div id="artbees-qv-admin-root"><p>' . esc_html__( 'Loading Artbees Quick View for WooCommerce preview…', 'artbees-quick-view' ) . '</p></div><noscript><p>' . esc_html__( 'Artbees Quick View for WooCommerce preview needs JavaScript.', 'artbees-quick-view' ) . '</p></noscript></div>';
			return;
		}
		echo '<div class="wrap artbees-qv-admin"><div id="artbees-qv-admin-root"><p>' . esc_html__( 'Loading Artbees Quick View for WooCommerce settings…', 'artbees-quick-view' ) . '</p></div><noscript><p>' . esc_html__( 'Artbees Quick View for WooCommerce settings need JavaScript. Enable JavaScript to configure quick view.', 'artbees-quick-view' ) . '</p></noscript></div>';
	}
	public function assets( $hook ) {
		$tabs = array(
			'artbees-quick-view' => 'setup',
			'artbees-quick-view-settings' => 'settings',
			'artbees-quick-view-visibility' => 'visibility',
			'artbees-quick-view-status' => 'status',
			'artbees-quick-view-advanced' => 'advanced',
			'artbees-quick-view-preview' => 'preview',
		);
		$page = isset( $_GET['page'] ) ? sanitize_key( wp_unslash( $_GET['page'] ) ) : ''; // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Read-only admin page identifier.
		if ( ! isset( $tabs[ $page ] ) ) { return; }
		if ( 'advanced' === $tabs[ $page ] && defined( 'artbees_QV_PRO_VERSION' ) ) { return; }
		$asset = artbees_QV_PATH . 'build/admin/index.asset.php';
		$dependencies = array( 'wp-components', 'wp-element', 'wp-i18n', 'wp-api-fetch' );
		$version = artbees_QV_VERSION;
		if ( file_exists( $asset ) ) { $metadata = require $asset; $dependencies = $metadata['dependencies']; $version = $metadata['version']; }
		wp_enqueue_script( 'artbees-qv-admin', artbees_QV_URL . 'build/admin/index.js', $dependencies, $version, true );
		$style = artbees_QV_PATH . 'build/admin/style-index.css';
		if ( file_exists( $style ) ) {
			wp_enqueue_style( 'artbees-qv-admin', artbees_QV_URL . 'build/admin/style-index.css', array( 'wp-components' ), $version );
		}
		wp_set_script_translations( 'artbees-qv-admin', 'artbees-quick-view' );
		wp_add_inline_script(
			'artbees-qv-admin',
			'window.artbeesQvAdmin = ' . wp_json_encode(
				array(
					'settings' => $this->settings->get(),
					'proActive' => defined( 'artbees_QV_PRO_VERSION' ),
					'version' => (int) get_option( \artbees\QuickView\Storage\SettingsRepository::VERSION_OPTION, 0 ),
					'visibility' => ( new VisibilityBootData( $this->settings ) )->get(),
					'restUrl' => esc_url_raw( rest_url( 'artbees-quick-view/v1/' ) ),
					'nonce' => wp_create_nonce( 'wp_rest' ),
					'tab' => $tabs[ $page ],
					'previewUrl' => esc_url_raw( admin_url( 'admin.php?page=artbees-quick-view-preview' ) ),
				)
			) . ';',
			'before'
		);
	}
}