<?php
	/**
	 * @author    Daniele Alessandra (@danielealessandra)
	 * @copyright Copyright (c) 2024, Freemius, Inc.
	 * @license   https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License Version 3
	 * @package   Freemius
	 * @since     2.6.2
	 */

	class FS_DebugManager {

		/**
		 * @author Vova Feldman (@svovaf)
		 *  Moved from Freemius
		 *
		 * @since  1.0.8
		 */
		static function _add_debug_section() {
			if ( ! is_super_admin() ) {
				// Add debug page only for super-admins.
				return;
			}

			Freemius::get_static_logger()->entrance();

			$title = sprintf( '%s [v.%s]', fs_text_inline( 'Freemius Debug' ), WP_FS__SDK_VERSION );

			if ( WP_FS__DEV_MODE ) {
				// Add top-level debug menu item.
				$hook = FS_Admin_Menu_Manager::add_page(
					$title,
					$title,
					'manage_options',
					'freemius',
					array( self::class, '_debug_page_render' )
				);
			} else {
				// Add hidden debug page.
				$hook = FS_Admin_Menu_Manager::add_subpage(
					'',
					$title,
					$title,
					'manage_options',
					'freemius',
					array( self::class, '_debug_page_render' )
				);
			}

			if ( ! empty( $hook ) ) {
				add_action( "load-$hook", array( self::class, '_debug_page_actions' ) );
			}
		}

		/**
		 * @author Vova Feldman (@svovaf)
		 *  Moved from Freemius
		 *
		 * @since  1.0.8
		 */
		static function _debug_page_actions() {
			Freemius::_clean_admin_content_section();

			if ( fs_request_is_action( 'restart_freemius' ) ) {
				check_admin_referer( 'restart_freemius' );

				if ( ! is_multisite() ) {
					// Clear accounts data.
					Freemius::get_accounts()->clear( null, true );
				} else {
					$sites = Freemius::get_sites();
					foreach ( $sites as $site ) {
						$blog_id = Freemius::get_site_blog_id( $site );
						Freemius::get_accounts()->clear( $blog_id, true );
					}

					// Clear network level storage.
					Freemius::get_accounts()->clear( true, true );
				}

				// Clear SDK reference cache.
				delete_option( 'fs_active_plugins' );
			} else if ( fs_request_is_action( 'clear_updates_data' ) ) {
				check_admin_referer( 'clear_updates_data' );

				if ( ! is_multisite() ) {
					set_site_transient( 'update_plugins', null );
					set_site_transient( 'update_themes', null );
				} else {
					$current_blog_id = get_current_blog_id();

					$sites = Freemius::get_sites();
					foreach ( $sites as $site ) {
						switch_to_blog( Freemius::get_site_blog_id( $site ) );

						set_site_transient( 'update_plugins', null );
						set_site_transient( 'update_themes', null );
					}

					switch_to_blog( $current_blog_id );
				}
			} else if ( fs_request_is_action( 'reset_deactivation_snoozing' ) ) {
				check_admin_referer( 'reset_deactivation_snoozing' );

				Freemius::reset_deactivation_snoozing();
			} else if ( fs_request_is_action( 'simulate_trial' ) ) {
				check_admin_referer( 'simulate_trial' );

				$fs = freemius( fs_request_get( 'module_id' ) );

				// Update SDK install to at least 24 hours before.
				$fs->get_storage()->install_timestamp = ( time() - WP_FS__TIME_24_HOURS_IN_SEC );
				// Unset the trial shown timestamp.
				unset( $fs->get_storage()->trial_promotion_shown );
			} else if ( fs_request_is_action( 'simulate_network_upgrade' ) ) {
				check_admin_referer( 'simulate_network_upgrade' );

				$fs = freemius( fs_request_get( 'module_id' ) );

				Freemius::set_network_upgrade_mode( $fs->get_storage() );
			} else if ( fs_request_is_action( 'delete_install' ) ) {
				check_admin_referer( 'delete_install' );

				Freemius::_delete_site_by_slug(
					fs_request_get( 'slug' ),
					fs_request_get( 'module_type' ),
					true,
					fs_request_get( 'blog_id', null )
				);
			} else if ( fs_request_is_action( 'delete_user' ) ) {
				check_admin_referer( 'delete_user' );

				self::delete_user( fs_request_get( 'user_id' ) );
			} else if ( fs_request_is_action( 'download_logs' ) ) {
				check_admin_referer( 'download_logs' );

				$download_url = FS_Logger::download_db_logs(
					fs_request_get( 'filters', false, 'post' )
				);

				if ( false === $download_url ) {
					wp_die( 'Oops... there was an error while generating the logs download file. Please try again and if it doesn\'t work contact support@freemius.com.' );
				}

				fs_redirect( $download_url );
			} else if ( fs_request_is_action( 'migrate_options_to_network' ) ) {
				check_admin_referer( 'migrate_options_to_network' );

				Freemius::migrate_options_to_network();
			}
		}

		/**
		 * @author Vova Feldman (@svovaf)
		 *  Moved from Freemius
		 *
		 * @since  1.0.8
		 */
		static function _debug_page_render() {
			Freemius::get_static_logger()->entrance();

			$all_modules_sites = self::get_all_modules_sites();

			$licenses_by_module_type = self::get_all_licenses_by_module_type();

			$vars = array(
				'plugin_sites'    => $all_modules_sites[ WP_FS__MODULE_TYPE_PLUGIN ],
				'theme_sites'     => $all_modules_sites[ WP_FS__MODULE_TYPE_THEME ],
				'users'           => Freemius::get_all_users(),
				'addons'          => Freemius::get_all_addons(),
				'account_addons'  => Freemius::get_all_account_addons(),
				'plugin_licenses' => $licenses_by_module_type[ WP_FS__MODULE_TYPE_PLUGIN ],
				'theme_licenses'  => $licenses_by_module_type[ WP_FS__MODULE_TYPE_THEME ],
			);

			fs_enqueue_local_style( 'fs_debug', '/admin/debug.css' );
			fs_require_once_template( 'debug.php', $vars );
		}

		/**
		 * @author Vova Feldman (@svovaf)
		 *  Moved from Freemius
		 *
		 * @since  1.2.1.6
		 */
		static function _get_debug_log() {
			check_admin_referer( 'fs_get_debug_log' );

			if ( ! is_super_admin() ) {
				return;
			}

			if (!FS_Logger::is_storage_logging_on()) {
				return;
			}

			$limit  = min( ! empty( $_POST['limit'] ) ? absint( $_POST['limit'] ) : 200, 200 );
			$offset = min( ! empty( $_POST['offset'] ) ? absint( $_POST['offset'] ) : 200, 200 );

			$logs = FS_Logger::load_db_logs(
				fs_request_get( 'filters', false, 'post' ),
				$limit,
				$offset
			);

			Freemius::shoot_ajax_success( $logs );
		}

		/**
		 * @author Vova Feldman (@svovaf)
		 *  Moved from Freemius
		 *
		 * @since  1.2.1.7
		 */
		static function _get_db_option() {
			check_admin_referer( 'fs_get_db_option' );

			$option_name = fs_request_get( 'option_name' );

			if ( ! is_super_admin() ||
				 ! fs_starts_with( $option_name, 'fs_' )
			) {
				Freemius::shoot_ajax_failure();
			}

			$value = get_option( $option_name );

			$result = array(
				'name' => $option_name,
			);

			if ( false !== $value ) {
				if ( ! is_string( $value ) ) {
					$value = json_encode( $value );
				}

				$result['value'] = $value;
			}

			Freemius::shoot_ajax_success( $result );
		}

		/**
		 * @author Vova Feldman (@svovaf)
		 *  Moved from Freemius
		 *
		 * @since  1.2.1.7
		 */
		static function _set_db_option() {
			check_admin_referer( 'fs_set_db_option' );

			$option_name = fs_request_get( 'option_name' );

			if ( ! is_super_admin() ||
				 ! fs_starts_with( $option_name, 'fs_' )
			) {
				Freemius::shoot_ajax_failure();
			}

			$option_value = fs_request_get_raw( 'option_value' );

			if ( ! empty( $option_value ) ) {
				update_option( $option_name, $option_value );
			}

			Freemius::shoot_ajax_success();
		}

		/**
		 * @author Vova Feldman (@svovaf)
		 *  Moved from Freemius
		 *
		 * @since  1.1.7.3
		 */
		static function _toggle_debug_mode() {
			check_admin_referer( 'fs_toggle_debug_mode' );

			if ( ! is_super_admin() ) {
				return;
			}

			$is_on = fs_request_get( 'is_on', false, 'post' );

			if ( fs_request_is_post() && in_array( $is_on, array( 0, 1 ) ) ) {
				if ( $is_on ) {
					self::_turn_on_debug_mode();
				} else {
					self::_turn_off_debug_mode();
				}

				// Logic to turn debugging off automatically
				if ( 1 == $is_on ) {
					// Plan a single event triggering after 24 hours to turn debugging off.
					wp_schedule_single_event( time() + 24 * HOUR_IN_SECONDS, 'fs_debug_turn_off_logging_hook' );
				} else {
					// Cancels any planned event when debugging is turned off manually.
					$timestamp = wp_next_scheduled( 'fs_debug_turn_off_logging_hook' );
					if ( $timestamp ) {
						wp_unschedule_event( $timestamp, 'fs_debug_turn_off_logging_hook' );
					}
				}
			}

			exit;
		}

		/**
		 * @author Daniele Alessandra (@danielealessandra)
		 * @since  2.6.2
		 *
		 */
		static function _turn_off_debug_mode() {
			self::update_debug_mode_option( 0 );
			FS_Logger::_set_storage_logging( false );
		}

		/**
		 * @author Daniele Alessandra (@danielealessandra)
		 * @since  2.6.2
		 *
		 */
		static function _turn_on_debug_mode() {
			self::update_debug_mode_option( 1 );
			FS_Logger::_set_storage_logging();
		}

		/**
		 * @author Leo Fajardo (@leorw)
		 *  Moved from Freemius
		 *
		 * @param string $url
		 * @param array  $request
		 *
		 * @since  2.1.0
		 *
		 */
		public static function enrich_request_for_debug( &$url, &$request ) {
			if ( WP_FS__DEBUG_SDK || isset( $_COOKIE['XDEBUG_SESSION'] ) ) {
				$url = add_query_arg( 'XDEBUG_SESSION_START', rand( 0, 9999999 ), $url );
				$url = add_query_arg( 'XDEBUG_SESSION', 'PHPSTORM', $url );

				$request['cookies'] = array(
					new WP_Http_Cookie( array(
						'name'  => 'XDEBUG_SESSION',
						'value' => 'PHPSTORM',
					) ),
				);
			}
		}

		/**
		 * @author Leo Fajardo (@leorw)
		 *  Moved from Freemius
		 *
		 * @return array
		 *
		 * @since  2.0.0
		 *
		 */
		private static function get_all_licenses_by_module_type() {
			$licenses = Freemius::get_account_option( 'all_licenses' );

			$licenses_by_module_type = array(
				WP_FS__MODULE_TYPE_PLUGIN => array(),
				WP_FS__MODULE_TYPE_THEME  => array(),
			);

			if ( ! is_array( $licenses ) ) {
				return $licenses_by_module_type;
			}

			foreach ( $licenses as $module_id => $module_licenses ) {
				$fs = Freemius::get_instance_by_id( $module_id );
				if ( false === $fs ) {
					continue;
				}

				$licenses_by_module_type[ $fs->get_module_type() ] = array_merge( $licenses_by_module_type[ $fs->get_module_type() ],
					$module_licenses );
			}

			return $licenses_by_module_type;
		}

		/**
		 * Moved from the Freemius class.
		 *
		 * @author Leo Fajardo (@leorw)
		 *
		 * @return array
		 *
		 * @since  2.5.0
		 */
		static function get_all_modules_sites() {
			Freemius::get_static_logger()->entrance();

			$sites_by_type = array(
				WP_FS__MODULE_TYPE_PLUGIN => array(),
				WP_FS__MODULE_TYPE_THEME  => array(),
			);

			$module_types = array_keys( $sites_by_type );

			if ( ! is_multisite() ) {
				foreach ( $module_types as $type ) {
					$sites_by_type[ $type ] = Freemius::get_all_sites( $type );

					foreach ( $sites_by_type[ $type ] as $slug => $install ) {
						$sites_by_type[ $type ][ $slug ] = array( $install );
					}
				}
			} else {
				$sites = Freemius::get_sites();

				foreach ( $sites as $site ) {
					$blog_id = Freemius::get_site_blog_id( $site );

					foreach ( $module_types as $type ) {
						$installs = Freemius::get_all_sites( $type, $blog_id );

						foreach ( $installs as $slug => $install ) {
							if ( ! isset( $sites_by_type[ $type ][ $slug ] ) ) {
								$sites_by_type[ $type ][ $slug ] = array();
							}

							$install->blog_id = $blog_id;

							$sites_by_type[ $type ][ $slug ][] = $install;
						}
					}
				}
			}

			return $sites_by_type;
		}

		/**
		 * Delete user.
		 *
		 * @author Vova Feldman (@svovaf)
		 *
		 * @param number $user_id
		 * @param bool   $store
		 *
		 * @return false|int The user ID if deleted. Otherwise, FALSE (when install not exist).
		 * @since  2.0.0
		 *
		 */
		public static function delete_user( $user_id, $store = true ) {
			$users = Freemius::get_all_users();

			if ( ! is_array( $users ) || ! isset( $users[ $user_id ] ) ) {
				return false;
			}

			unset( $users[ $user_id ] );

			self::$_accounts->set_option( 'users', $users, $store );

			return $user_id;
		}

		/**
		 * @author Daniele Alessandra (@danielealessandra)
		 *
		 * @return void
		 * @since  2.6.2
		 *
		 */
		public static function load_required_static() {
			if ( ! WP_FS__DEMO_MODE ) {
				add_action( ( fs_is_network_admin() ? 'network_' : '' ) . 'admin_menu', array(
					self::class,
					'_add_debug_section',
				) );
			}

			add_action( "wp_ajax_fs_toggle_debug_mode", array( self::class, '_toggle_debug_mode' ) );

			Freemius::add_ajax_action_static( 'get_debug_log', array( self::class, '_get_debug_log' ) );
			Freemius::add_ajax_action_static( 'get_db_option', array( self::class, '_get_db_option' ) );
			Freemius::add_ajax_action_static( 'set_db_option', array( self::class, '_set_db_option' ) );
		}

		/**
		 * @author Daniele Alessandra (@danielealessandra)
		 *
		 * @return void
		 *
		 * @since  2.6.2
		 */
		public static function register_hooks() {
			add_action( 'fs_debug_turn_off_logging_hook', array( self::class, '_turn_off_debug_mode' ) );
		}

		/**
		 * @author Daniele Alessandra (@danielealessandra)
		 *
		 * @param int $is_on
		 *
		 * @return void
		 *
		 * @since  2.6.2
		 */
		private static function update_debug_mode_option( $is_on ) {
			update_option( 'fs_debug_mode', $is_on );
		}

	}
