<?php
/**
 * Responsible for plugin initialization.
 *
 * @package    advanced-analytics
 * @copyright  %%YEAR%% 0 Day
 * @license    https://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
 * @link       https://0-day-analytics.com/
 *
 * @since      1.0.0
 */

declare(strict_types=1);

namespace ADVAN;

// Prevent direct file access.
if ( ! \defined( 'ABSPATH' ) ) {
	exit;
}

use ADVAN\Lists\Logs_List;
use ADVAN\Lists\Urls_List;
use ADVAN\Helpers\Settings;
use ADVAN\Helpers\WP_Panel;
use ADVAN\Lists\Table_List;
use ADVAN\Helpers\WP_Helper;
use ADVAN\Lists\Fatals_List;
use ADVAN\Lists\WP_Mail_List;
use ADVAN\Helpers\Ajax_Helper;
use ADVAN\Lists\Requests_List;
use ADVAN\Lists\Rest_Api_List;
use ADVAN\Lists\Security_List;
use ADVAN\Lists\Login_Audit_List;
use ADVAN\Lists\Snippets_List;
use ADVAN\Migration\Migration;
use ADVAN\Controllers\Pointers;
use ADVAN\Lists\PageSpeed_List;
use ADVAN\Controllers\Cron_Jobs;
use ADVAN\Helpers\Miscellaneous;
use ADVAN\Lists\Transients_List;
use ADVAN\Helpers\Context_Helper;
use ADVAN\Helpers\Upgrade_Notice;
use ADVAN\Helpers\System_Analytics;
use ADVAN\Lists\Hooks_Capture_List;
use ADVAN\Controllers\Privilege_Guard;
use ADVAN\Lists\Hooks_Management_List;
use ADVAN\Controllers\Incident_Detector;
use ADVAN\Controllers\Traffic_Collector;
use ADVAN\Controllers\Traffic_Endpoint;
use ADVAN\Controllers\Traffic_Endpoint_Admin;
use ADVAN\Controllers\Display_Environment_Type;

if ( ! class_exists( '\ADVAN\Advanced_Analytics' ) ) {

	/**
	 * Main plugin class.
	 *
	 * Responsible for initializing and managing all core modules of the Advanced Analytics plugin,
	 * including logs, requests, tables, transients, fatals, WP mail, cron jobs, pointers, settings,
	 * environment type display, migration, AJAX handling, and admin UI enhancements.
	 *
	 * Handles plugin activation, redirection, admin notices, screen options, and integration with
	 * WordPress hooks and filters.
	 *
	 * @since 2.0.0
	 */
	class Advanced_Analytics {

		public const REDIRECT_OPTION_NAME = ADVAN_PREFIX . 'plugin_do_activation_redirect';

		/**
		 * Inits the class and hooks
		 *
		 * @since 2.0.0
		 */
		public static function init() {

			// Always execute section.
			Cron_Jobs::init();

			if ( defined( 'WP_CLI' ) && \WP_CLI ) {
				Migration::migrate();
			}

			if ( \is_admin() && ! \wp_doing_ajax() ) {

				Migration::migrate();

				\add_action( 'admin_init', array( __CLASS__, 'plugin_redirect' ) );

				// Initialize hooks capture list admin features.
				Hooks_Capture_List::init_admin_hooks();

				// Setup screen options. Needs to be here as admin_init hook is too late. Per page set is below.
				\add_filter( 'set-screen-option', array( Logs_List::class, 'set_screen_option' ), 10, 3 );

				\add_filter( 'set-screen-option', array( Transients_List::class, 'set_screen_option' ), 10, 3 );

				\add_filter( 'set-screen-option', array( Requests_List::class, 'set_screen_option' ), 10, 3 );

				\add_filter( 'set-screen-option', array( WP_Mail_List::class, 'set_screen_option' ), 10, 3 );

				\add_filter( 'set-screen-option', array( Table_List::class, 'set_screen_option' ), 10, 3 );

				\add_filter( 'set-screen-option', array( Fatals_List::class, 'set_screen_option' ), 10, 3 );

				\add_filter( 'set-screen-option', array( Snippets_List::class, 'set_screen_option' ), 10, 3 );

				\add_filter( 'set-screen-option', array( Hooks_Capture_List::class, 'set_screen_option' ), 10, 3 );

				\add_filter( 'set-screen-option', array( Hooks_Management_List::class, 'set_screen_option' ), 10, 3 );

				\add_filter( 'set-screen-option', array( Urls_List::class, 'set_screen_option' ), 10, 3 );

				\add_filter( 'set-screen-option', array( Rest_Api_List::class, 'set_screen_option' ), 10, 3 );

				\add_filter( 'set-screen-option', array( Security_List::class, 'set_screen_option' ), 10, 3 );

				\add_filter( 'set-screen-option', array( Login_Audit_List::class, 'set_screen_option' ), 10, 3 );

				\add_filter( 'plugin_action_links', array( __CLASS__, 'add_settings_link' ), 10, 2 );
				\add_filter( 'plugin_row_meta', array( __CLASS__, 'plugin_meta' ), 10, 2 );

				// Placeholder: Review_Plugin::init() removed intentionally.

				\add_filter( 'init', array( Settings::class, 'init' ) );

				// Pointers::init();

				\add_filter( 'admin_footer_text', array( Settings::class, 'admin_footer_text' ), PHP_INT_MAX );
				\add_filter( 'update_footer', array( Miscellaneous::class, 'admin_footer_version_text' ), PHP_INT_MAX );

				// Hide all unrelated to the plugin notices on the plugin admin pages.
				\add_action( 'admin_print_scripts', array( __CLASS__, 'hide_unrelated_notices' ) );

				// Check for urgent upgrades.
				\add_action( 'current_screen', array( Upgrade_Notice::class, 'init' ) );

				if ( Settings::get_option( 'environment_type_admin_bar' ) ) {
					\add_action( 'init', array( Display_Environment_Type::class, 'init' ) );
				}
				if ( Settings::get_option( 'server_info_module_enabled' ) ) {
					System_Analytics::init();
				}
			}

			if ( \is_admin() ) {
				Ajax_Helper::init();
			}

			if ( Settings::get_option( 'wp_panel_module_enabled' ) ) {
				WP_Panel::init();
			}

			/* Traffic Analytics start */
			if ( Settings::get_option( 'traffic_analytics_module_enabled' ) ) {
				Traffic_Collector::init();

				if ( \is_admin() && 'js' === Settings::get_option( 'traffic_tracking_method' ) ) {
					Traffic_Endpoint_Admin::init();
				}
			}

			// The fast endpoint refuses requests once its config is gone. Checked in the admin only - where the settings change - so front-end pages do not pay a query for an option that is not there.
			if ( \is_admin() && ( ! Settings::get_option( 'traffic_analytics_module_enabled' ) || 'js' !== Settings::get_option( 'traffic_tracking_method' ) || ! Traffic_Endpoint::is_allowed() ) ) {
				Traffic_Endpoint::disable();
			}
			/* Traffic Analytics end */

			if ( Settings::get_option( 'snippets_module_enabled' ) ) {
				Snippets_List::init();
			}

			if ( Settings::get_option( 'hooks_capture_module_enabled' ) ) {
				Hooks_Management_List::init();
			}

			if ( Settings::get_option( 'requests_module_enabled' ) ) {
				Requests_List::init();
			}

			if ( Settings::get_option( 'fatals_module_enabled' ) ) {
				Fatals_List::init();
			}

			if ( Settings::get_option( 'wp_mail_module_enabled' ) ) {
				WP_Mail_List::init();
			}

			if ( Settings::get_option( 'performance_module_enabled' ) ) {
				PageSpeed_List::init();
				if ( Settings::get_option( 'urls_module_enabled' ) ) {
					Urls_List::init();
				}
			}

			Logs_List::init();
		}

		/**
		 * Add Settings link to plugin list (in plugin.php page)
		 *
		 * Add a Settings link to the options listed against this plugin
		 *
		 * @param array  $links  Current links.
		 * @param string $file   File in use.
		 *
		 * @return array          Links, now with settings added.
		 *
		 * @since 2.0.0
		 */
		public static function add_settings_link( $links, $file ) {
			if ( ADVAN_PLUGIN_BASENAME === $file ) {

				if ( ( Settings::get_option( 'wp_mail_module_enabled' ) ) ) {
					$settings_link = '<a href="' . \esc_url( Miscellaneous::get_wp_mail_page_link() ) . '">' . \esc_html__( 'Mails', '0-day-analytics' ) . '</a>';
					array_unshift( $links, $settings_link );
				}
				if ( ( Settings::get_option( 'snippets_module_enabled' ) ) ) {
					$settings_link = '<a href="' . \esc_url( Miscellaneous::get_snippets_page_link() ) . '\">' . \esc_html__( 'Snippets', '0-day-analytics' ) . '</a>';
					array_unshift( $links, $settings_link );
				}
				if ( ( Settings::get_option( 'requests_module_enabled' ) ) ) {
					$settings_link = '<a href="' . \esc_url( Miscellaneous::get_requests_page_link() ) . '">' . \esc_html__( 'Requests', '0-day-analytics' ) . '</a>';
					array_unshift( $links, $settings_link );
				}
				if ( ( Settings::get_option( 'tables_module_enabled' ) ) ) {
					$settings_link = '<a href="' . \esc_url( Miscellaneous::get_tables_page_link() ) . '">' . \esc_html__( 'Tables', '0-day-analytics' ) . '</a>';
					array_unshift( $links, $settings_link );
				}
				if ( ( Settings::get_option( 'transients_module_enabled' ) ) ) {
					$settings_link = '<a href="' . \esc_url( Miscellaneous::get_transients_page_link() ) . '">' . \esc_html__( 'Transients', '0-day-analytics' ) . '</a>';
					array_unshift( $links, $settings_link );
				}
				if ( ( Settings::get_option( 'cron_module_enabled' ) ) ) {
					$settings_link = '<a href="' . \esc_url( Miscellaneous::get_crons_page_link() ) . '">' . \esc_html__( 'Cron Jobs', '0-day-analytics' ) . '</a>';
					array_unshift( $links, $settings_link );
				}
				if ( ( Settings::get_option( 'rest_api_module_enabled' ) ) ) {
					$settings_link = '<a href="' . \esc_url( Miscellaneous::get_rest_api_page_link() ) . '">' . \esc_html__( 'REST API', '0-day-analytics' ) . '</a>';
					array_unshift( $links, $settings_link );
				}
				if ( ( Settings::get_option( 'file_editor_module_enabled' ) ) ) {
					$settings_link = '<a href="' . \esc_url( Miscellaneous::get_file_editor_page_link() ) . '">' . \esc_html__( 'File Editor', '0-day-analytics' ) . '</a>';
					array_unshift( $links, $settings_link );
				}
				if ( ( Settings::get_option( 'fatals_module_enabled' ) ) ) {
					$settings_link = '<a href="' . \esc_url( Miscellaneous::get_fatals_page_link() ) . '">' . \esc_html__( 'PHP Errors View', '0-day-analytics' ) . '</a>';
					array_unshift( $links, $settings_link );
				}
				$settings_link = '<a href="' . \esc_url( Miscellaneous::get_settings_page_link() ) . '">' . \esc_html__( 'Error Logs', '0-day-analytics' ) . '</a>';
				array_unshift( $links, $settings_link );
			}

			return $links;
		}

		/**
		 * Add meta to plugin details
		 *
		 * Add options to plugin meta line
		 *
		 * @param string $links  - Current links.
		 * @param string $file   - File in use.
		 *
		 * @return array Links, now with settings added.
		 *
		 * @since 1.8.4
		 */
		public static function plugin_meta( $links, $file ) {

			if ( false !== strpos( $file, 'advanced-analytics.php' ) ) {
				$links = array_merge(
					$links,
					array(
						'<a target="_blank" rel="noopener noreferrer" href="' . \esc_url( 'https://wordpress.org/support/plugin/0-day-analytics' ) . '">' . \esc_html__( 'Support', '0-day-analytics' ) . '</a>',
					)
				);
			}

			return $links;
		}

		/**
		 * Remove all non plugin notices from our plugin pages.
		 *
		 * @since 1.8.4
		 */
		public static function hide_unrelated_notices(): void {
			// Bail if we're not on our screen or page.
			if ( ! WP_Helper::is_admin_page() ) {
				return;
			}

			self::remove_unrelated_actions( 'user_admin_notices' );
			self::remove_unrelated_actions( 'admin_notices' );
			self::remove_unrelated_actions( 'all_admin_notices' );
			self::remove_unrelated_actions( 'network_admin_notices' );
		}

		/**
		 * Remove all notices from our plugin pages based on the provided action hook.
		 *
		 * @param string $action The name of the action hook. Expected values: 'user_admin_notices', 'admin_notices', 'all_admin_notices', 'network_admin_notices'.
		 *
		 * @since 1.8.4
		 */
		public static function remove_unrelated_actions( $action ) {
			global $wp_filter;

			if ( ! isset( $wp_filter[ $action ] ) || empty( $wp_filter[ $action ]->callbacks ) || ! is_array( $wp_filter[ $action ]->callbacks ) ) {
				return;
			}

			foreach ( $wp_filter[ $action ]->callbacks as $priority => $hooks ) {
				foreach ( $hooks as $name => $arr ) {
					if (
					( // Cover object method callback case.
					is_array( $arr['function'] ) &&
					isset( $arr['function'][0] ) &&
					is_object( $arr['function'][0] ) &&
					false !== strpos( ( get_class( $arr['function'][0] ) ), 'ADVAN' )
					) ||
					( // Cover class static method callback case.
					! empty( $name ) &&
					/*
					 * Cast to string before comparing.
					 *
					 * $name is the key _wp_filter_build_unique_id() produced. Since WP 7.1
					 * that is (string) spl_object_id() for a closure - "2652" - and PHP
					 * stores a decimal-integer string as an integer array key, so $name
					 * arrives here as an int. This file declares strict_types, so strpos()
					 * raises a TypeError instead of coercing it, and the notice hook fatals.
					 *
					 * The comparison itself is unaffected: an object id has never contained
					 * the prefix, exactly as the spl_object_hash() it replaced never did, so
					 * closures keep being treated as unrelated and removed.
					 */
					false !== strpos( (string) $name, 'ADVAN' )
					)
					) {
						continue;
					}

					unset( $wp_filter[ $action ]->callbacks[ $priority ][ $name ] );
				}
			}
		}

		/**
		 * Adds a powered-by message in the footer of the page.
		 *
		 * Only outputs on the frontend.
		 *
		 * @return void
		 *
		 * @since 2.0.0
		 */
		public static function powered_by() {
			if ( Context_Helper::is_front() ) {
				printf(
				/* Translators: Plugin link. */
					\esc_html__( 'Proudly powered by %s', '0-day-analytics' ),
					'<a href="' . \esc_url( __( 'https://wordpress.org/plugins/0-day-analytics/', '0-day-analytics' ) ) . '" rel="nofollow">' . \esc_attr( ADVAN_NAME ) . '</a>'
				);
			}
		}

		/**
		 * Registers a plugin redirection on activate setting.
		 *
		 * @return void
		 *
		 * @since 1.0.0
		 */
		public static function plugin_activate() {
			\add_option( self::REDIRECT_OPTION_NAME, true );
		}

		/**
		 * Redirects the plugin to its settings page if it was just activated.
		 *
		 * @return void
		 *
		 * @since 1.0.0
		 */
		public static function plugin_redirect() {
			if ( \get_option( self::REDIRECT_OPTION_NAME, false ) ) {
				\delete_option( self::REDIRECT_OPTION_NAME );
				if ( ! isset( $_GET['activate-multi'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Redirect only, no action taken.
					\wp_safe_redirect( \add_query_arg( 'page', Logs_List::MENU_SLUG, \network_admin_url( 'admin.php' ) ) );
					exit;
				}
			}
		}

		/**
		 * Action for _doing_it_wrong() calls.
		 *
		 * @param string $function_name The function that was called.
		 * @param string $message       A message explaining what has been done incorrectly.
		 * @param string $version       The version of WordPress where the message was added.
		 *
		 * @return void
		 *
		 * @since 1.9.2.2
		 */
		public static function action_doing_it_wrong_run( $function_name, $message, $version ) { // phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.FoundAfterLastUsed

			global $wp_filter;

			$function_name = (string) $function_name;
			$message       = (string) $message;

			if ( ! class_exists( '\QM_Collectors', false ) || ! self::is_just_in_time_for_0_day_domain( $function_name, $message ) ) {
				return;
			}

			$qm_collector_doing_it_wrong = \QM_Collectors::get( 'doing_it_wrong' );
			$current_priority            = $wp_filter['doing_it_wrong_run']->current_priority();

			if ( null === $qm_collector_doing_it_wrong || false === $current_priority ) {
				return;
			}

			switch ( $current_priority ) {
				case 0:
					\remove_action( 'doing_it_wrong_run', array( $qm_collector_doing_it_wrong, 'action_doing_it_wrong_run' ) );
					break;

				case 20:
					\add_action( 'doing_it_wrong_run', array( $qm_collector_doing_it_wrong, 'action_doing_it_wrong_run' ), 10, 3 );
					break;

				default:
					break;
			}
		}

		/**
		 * Filter for _doing_it_wrong() calls.
		 *
		 * @param bool|mixed $trigger       Whether to trigger the error for _doing_it_wrong() calls. Default true.
		 * @param string     $function_name The function that was called.
		 * @param string     $message       A message explaining what has been done incorrectly.
		 * @param string     $version       The version of WordPress where the message was added.
		 *
		 * @return bool
		 *
		 * @since 1.9.2.2
		 */
		public static function filter_doing_it_wrong_trigger_error( $trigger, $function_name, $message, $version ): bool { // phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.FoundAfterLastUsed

			$trigger       = (bool) $trigger;
			$function_name = (string) $function_name;
			$message       = (string) $message;

			return self::is_just_in_time_for_0_day_domain( $function_name, $message ) ? false : $trigger;
		}

		/**
		 * Whether it is the just_in_time_error for 0-Day-related domains.
		 *
		 * @param string $function_name Function name.
		 * @param string $message       Message.
		 *
		 * @return bool
		 *
		 * @since 1.9.2.2
		 */
		public static function is_just_in_time_for_0_day_domain( string $function_name, string $message ): bool {
			return '_load_textdomain_just_in_time' === $function_name && strpos( $message, '<code>' . ADVAN_TEXTDOMAIN ) !== false;
		}
	}
}