"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.PluginWrapper = void 0;
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _path = require("path");
var _typeDetect = _interopRequireDefault(require("type-detect"));
var _rxjs = require("rxjs");
var _std = require("@kbn/std");
var _configSchema = require("@kbn/config-schema");
var _coreBaseCommon = require("@kbn/core-base-common");
/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0 and the Server Side Public License, v 1; you may not use this file except
 * in compliance with, at your election, the Elastic License 2.0 or the Server
 * Side Public License, v 1.
 */

const OSS_PATH_REGEX = /[\/|\\]src[\/|\\]plugins[\/|\\]/; // Matches src/plugins directory on POSIX and Windows
const XPACK_PATH_REGEX = /[\/|\\]x-pack[\/|\\]plugins[\/|\\]/; // Matches x-pack/plugins directory on POSIX and Windows

/**
 * Lightweight wrapper around discovered plugin that is responsible for instantiating
 * plugin and dispatching proper context and dependencies into plugin's lifecycle hooks.
 *
 * @internal
 */
class PluginWrapper {
  constructor(params) {
    (0, _defineProperty2.default)(this, "path", void 0);
    (0, _defineProperty2.default)(this, "source", void 0);
    (0, _defineProperty2.default)(this, "manifest", void 0);
    (0, _defineProperty2.default)(this, "opaqueId", void 0);
    (0, _defineProperty2.default)(this, "name", void 0);
    (0, _defineProperty2.default)(this, "configPath", void 0);
    (0, _defineProperty2.default)(this, "requiredPlugins", void 0);
    (0, _defineProperty2.default)(this, "optionalPlugins", void 0);
    (0, _defineProperty2.default)(this, "requiredBundles", void 0);
    (0, _defineProperty2.default)(this, "includesServerPlugin", void 0);
    (0, _defineProperty2.default)(this, "includesUiPlugin", void 0);
    (0, _defineProperty2.default)(this, "log", void 0);
    (0, _defineProperty2.default)(this, "initializerContext", void 0);
    (0, _defineProperty2.default)(this, "instance", void 0);
    (0, _defineProperty2.default)(this, "startDependencies$", new _rxjs.Subject());
    (0, _defineProperty2.default)(this, "startDependencies", (0, _rxjs.firstValueFrom)(this.startDependencies$));
    this.params = params;
    this.path = params.path;
    this.source = getPluginSource(params.path);
    this.manifest = params.manifest;
    this.opaqueId = params.opaqueId;
    this.initializerContext = params.initializerContext;
    this.log = params.initializerContext.logger.get();
    this.name = params.manifest.id;
    this.configPath = params.manifest.configPath;
    this.requiredPlugins = params.manifest.requiredPlugins;
    this.optionalPlugins = params.manifest.optionalPlugins;
    this.requiredBundles = params.manifest.requiredBundles;
    this.includesServerPlugin = params.manifest.server;
    this.includesUiPlugin = params.manifest.ui;
  }

  /**
   * Instantiates plugin and calls `setup` function exposed by the plugin initializer.
   * @param setupContext Context that consists of various core services tailored specifically
   * for the `setup` lifecycle event.
   * @param plugins The dictionary where the key is the dependency name and the value
   * is the contract returned by the dependency's `setup` function.
   */
  setup(setupContext, plugins) {
    this.instance = this.createPluginInstance();
    if (this.isPrebootPluginInstance(this.instance)) {
      return this.instance.setup(setupContext, plugins);
    }
    return this.instance.setup(setupContext, plugins);
  }

  /**
   * Calls `start` function exposed by the initialized plugin.
   * @param startContext Context that consists of various core services tailored specifically
   * for the `start` lifecycle event.
   * @param plugins The dictionary where the key is the dependency name and the value
   * is the contract returned by the dependency's `start` function.
   */
  start(startContext, plugins) {
    if (this.instance === undefined) {
      throw new Error(`Plugin "${this.name}" can't be started since it isn't set up.`);
    }
    if (this.isPrebootPluginInstance(this.instance)) {
      throw new Error(`Plugin "${this.name}" is a preboot plugin and cannot be started.`);
    }
    const startContract = this.instance.start(startContext, plugins);
    if ((0, _std.isPromise)(startContract)) {
      return startContract.then(resolvedContract => {
        this.startDependencies$.next([startContext, plugins, resolvedContract]);
        return resolvedContract;
      });
    } else {
      this.startDependencies$.next([startContext, plugins, startContract]);
      return startContract;
    }
  }

  /**
   * Calls optional `stop` function exposed by the plugin initializer.
   */
  async stop() {
    if (this.instance === undefined) {
      throw new Error(`Plugin "${this.name}" can't be stopped since it isn't set up.`);
    }
    if (typeof this.instance.stop === 'function') {
      await this.instance.stop();
    }
    this.instance = undefined;
  }
  getConfigDescriptor() {
    if (!this.manifest.server) {
      return null;
    }
    const pluginPathServer = (0, _path.join)(this.path, 'server');
    // eslint-disable-next-line @typescript-eslint/no-var-requires
    const pluginDefinition = require(pluginPathServer);
    if (!('config' in pluginDefinition)) {
      this.log.debug(`"${pluginPathServer}" does not export "config".`);
      return null;
    }
    const configDescriptor = pluginDefinition.config;
    if (!(0, _configSchema.isConfigSchema)(configDescriptor.schema)) {
      throw new Error('Configuration schema expected to be an instance of Type');
    }
    return configDescriptor;
  }
  createPluginInstance() {
    this.log.debug('Initializing plugin');

    // eslint-disable-next-line @typescript-eslint/no-var-requires
    const pluginDefinition = require((0, _path.join)(this.path, 'server'));
    if (!('plugin' in pluginDefinition)) {
      throw new Error(`Plugin "${this.name}" does not export "plugin" definition (${this.path}).`);
    }
    const {
      plugin: initializer
    } = pluginDefinition;
    if (!initializer || typeof initializer !== 'function') {
      throw new Error(`Definition of plugin "${this.name}" should be a function (${this.path}).`);
    }
    const instance = initializer(this.initializerContext);
    if (!instance || typeof instance !== 'object') {
      throw new Error(`Initializer for plugin "${this.manifest.id}" is expected to return plugin instance, but returned "${(0, _typeDetect.default)(instance)}".`);
    }
    if (typeof instance.setup !== 'function') {
      throw new Error(`Instance of plugin "${this.name}" does not define "setup" function.`);
    }
    return instance;
  }
  isPrebootPluginInstance(instance) {
    return this.manifest.type === _coreBaseCommon.PluginType.preboot;
  }
}
exports.PluginWrapper = PluginWrapper;
function getPluginSource(path) {
  if (OSS_PATH_REGEX.test(path)) {
    return 'oss';
  } else if (XPACK_PATH_REGEX.test(path)) {
    return 'x-pack';
  }
  return 'external';
}