<?php
/**
 * The advanced tools class.
 *
 * @package WP_Defender\Controller
 */

namespace WP_Defender\Controller;

use WP_Defender\Event;
use WP_Defender\Behavior\WPMUDEV;
use WP_Defender\Component\Breadcrumbs;
use WP_Defender\Integrations\MaxMind_Geolocation;
use WP_Defender\Model\Setting\Session_Protection as Model_Session_Protection;

/**
 * Since advanced tools will have many submodules, this just using for render.
 *
 * Class Advanced_Tools
 */
class Advanced_Tools extends Event {
	/**
	 * Menu slug name.
	 *
	 * @var string
	 */
	public $slug = 'wdf-advanced-tools';
	/**
	 * The WPMUDEV instance used for interacting with WPMUDEV services.
	 *
	 * @var WPMUDEV
	 */
	private $wpmudev;

	/**
	 * Constructor method
	 */
	public function __construct() {
		$this->wpmudev = wd_di()->get( WPMUDEV::class );

		$this->register_page(
			$this->get_title(),
			$this->slug,
			array( $this, 'main_view' ),
			$this->parent_slug
		);
		$this->register_routes();
		add_action( 'defender_enqueue_assets', array( $this, 'enqueue_assets' ) );
		add_action( 'admin_init', array( $this, 'mark_page_visited' ) );
	}

	/**
	 * Enqueue assets.
	 */
	public function enqueue_assets() {
		if ( ! $this->is_page_active() ) {
			return;
		}

		$data = $this->dump_routes_and_nonces();
		wp_enqueue_script( 'clipboard' );
		$data = (array) apply_filters( 'wp_defender_advanced_tools_data', $data );
		wp_localize_script( 'def-advancedtools', 'advanced_tools', $data );
		wp_enqueue_script( 'def-advancedtools' );
		$this->enqueue_main_assets();
	}

	/**
	 * Render the main view for this page.
	 */
	public function main_view() {
		$this->render( 'main' );
	}

	/**
	 * Remove settings for all submodules.
	 */
	public function remove_settings() {
		( new \WP_Defender\Model\Setting\Mask_Login() )->delete();
		( new \WP_Defender\Model\Setting\Security_Headers() )->delete();
		( new \WP_Defender\Model\Setting\Password_Protection() )->delete();
		( new \WP_Defender\Model\Setting\Password_Reset() )->delete();
		( new \WP_Defender\Model\Setting\Recaptcha() )->delete();
		( new \WP_Defender\Model\Setting\Strong_Password() )->delete();
		( new Model_Session_Protection() )->delete();
	}

	/**
	 * Delete all the data & the cache.
	 *
	 * @since 2.4.6
	 */
	public function remove_data() {
		wd_di()->get( \WP_Defender\Controller\Mask_Login::class )->remove_data();
		// Remove data of all Password features.
		wd_di()->get( \WP_Defender\Controller\Password_Protection::class )->remove_data();
		wd_di()->get( \WP_Defender\Controller\Password_Reset::class )->remove_data();
		wd_di()->get( \WP_Defender\Controller\Strong_Password::class )->remove_data();
		wd_di()->get( \WP_Defender\Controller\Session_Protection::class )->remove_data();
		// End.
		wd_di()->get( \WP_Defender\Controller\Recaptcha::class )->remove_data();

		global $wp_filesystem;
		// Initialize the WP filesystem, no more using 'file-put-contents' function.
		if ( empty( $wp_filesystem ) ) {
			require_once ABSPATH . '/wp-admin/includes/file.php';
			WP_Filesystem();
		}

		$service_geo = wd_di()->get( MaxMind_Geolocation::class );
		$maxmind_dir = $service_geo->get_db_base_path();
		$wp_filesystem->delete( $maxmind_dir, true );
		$arr_deleted_files = array(
			\WP_Defender\Component\Audit::AUDIT_LOG,
			\WP_Defender\Controller\Firewall::FIREWALL_LOG,
			wd_internal_log(),
			\WP_Defender\Behavior\Scan\Malware_Scan::MALWARE_LOG,
			\WP_Defender\Controller\Scan::SCAN_LOG,
			\WP_Defender\Component\Password_Protection::PASSWORD_LOG,
			\WP_Defender\Component\IP\Antibot_Global_Firewall::LOG_FILE_NAME,
			\WP_Defender\Component\Security_Tweak::LOG_FILE_NAME,
			// Outdated logs.
			'defender.log',
		);

		foreach ( $arr_deleted_files as $deleted_file ) {
			$wp_filesystem->delete( $deleted_file );
		}

		$this->handle_log_file_deletion();
	}

	/**
	 * Handle log file deletion.
	 *
	 * @since 4.7.2
	 * @return void
	 */
	public function handle_log_file_deletion(): void {
		if ( is_multisite() ) {
			global $wpdb;

			$offset = 0;
			$limit  = 100;
			$blogs  = $wpdb->get_results( // phpcs:ignore WordPress.DB.DirectDatabaseQuery
				$wpdb->prepare(
					"SELECT blog_id FROM {$wpdb->blogs} LIMIT %d, %d",
					$offset,
					$limit
				),
				ARRAY_A
			);
			while ( ! empty( $blogs ) && is_array( $blogs ) ) {
				foreach ( $blogs as $blog ) {
					switch_to_blog( $blog['blog_id'] );

					$this->delete_log_files();

					restore_current_blog();
				}
				$offset += $limit;
				$blogs   = $wpdb->get_results( // phpcs:ignore WordPress.DB.DirectDatabaseQuery
					$wpdb->prepare(
						"SELECT blog_id FROM {$wpdb->blogs} LIMIT %d, %d",
						$offset,
						$limit
					),
					ARRAY_A
				);
			}
		} else {
			$this->delete_log_files();
		}
	}

	/**
	 * Delete log files.
	 *
	 * @since 4.7.2
	 * @return void
	 */
	private function delete_log_files(): void {
		global $wp_filesystem;

		// Initialize the WP filesystem, no more using 'file-put-contents' function.
		if ( empty( $wp_filesystem ) ) {
			require_once ABSPATH . '/wp-admin/includes/file.php';
			WP_Filesystem();
		}

		$upload_dir  = wp_upload_dir();
		$upload_path = $upload_dir['basedir'] . DIRECTORY_SEPARATOR . 'wp-defender';

		if ( is_dir( $upload_path ) ) {
			$files = glob( $upload_path . '/*.log' );

			foreach ( $files as $file ) {
				if ( $wp_filesystem->is_file( $file ) ) {
					$wp_filesystem->delete( $file );
				}
			}
		}
	}

	/**
	 * Get data for frontend
	 *
	 * @return array
	 */
	public function data_frontend(): array {
		return array(
			'mask_login'         => wd_di()->get( Mask_Login::class )->data_frontend(),
			'security_headers'   => wd_di()->get( Security_Headers::class )->data_frontend(),
			'pwned_passwords'    => wd_di()->get( Password_Protection::class )->data_frontend(),
			'recaptcha'          => wd_di()->get( Recaptcha::class )->data_frontend(),
			'strong_password'    => wd_di()->get( Strong_Password::class )->data_frontend(),
			'session_protection' => wd_di()->get( Session_Protection::class )->data_frontend(),
		);
	}

	/**
	 * Export to array
	 */
	public function to_array() {}

	/**
	 * Import data
	 *
	 * @param array $data The data to import.
	 */
	public function import_data( $data ) {}

	/**
	 * Export strings
	 *
	 * @return array
	 */
	public function export_strings() {
		return array();
	}

	/**
	 * Return the title of the page.
	 *
	 * @return string The title of the page.
	 */
	public function get_title(): string {
		$default = esc_html__( 'Tools', 'defender-security' );
		// Breadcrumbs are only for Pro features.
		if ( ! $this->wpmudev->is_pro() ) {
			return $default;
		}
		// Check if the user has already visited the feature page.
		if ( wd_di()->get( Breadcrumbs::class )->get_meta_key() ) {
			return $default;
		}

		return $default . '<span class=wd-new-feature-dot></span>';
	}

	/**
	 * Marks the feature page as visited.
	 *
	 * @return void
	 */
	public function mark_page_visited(): void {
		// Breadcrumbs are only for Pro features.
		if ( ! $this->wpmudev->is_pro() ) {
			return;
		}
		if ( 'wdf-advanced-tools' !== defender_get_current_page() ||
			Model_Session_Protection::get_module_slug() !== defender_get_data_from_request( 'view', 'g' )
		) {
			return;
		}
		wd_di()->get( Breadcrumbs::class )->update_meta_key();
	}
}