"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.registerAutocompleteEntitiesRoute = void 0;
var _validation_config = require("./validation_config");
/*
 * 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 MAX_RESPONSE_SIZE = 10 * 1024 * 1024; // 10MB
// Limit the response size to 10MB, because the response can be very large and sending it to the client
// can cause the browser to hang.

const getMappings = async (settings, esClient) => {
  if (settings.fields && settings.fieldsIndices) {
    const mappings = await esClient.asInternalUser.indices.getMapping({
      index: settings.fieldsIndices
    }, {
      maxResponseSize: MAX_RESPONSE_SIZE,
      maxCompressedResponseSize: MAX_RESPONSE_SIZE
    });
    return mappings;
  }
  // If the user doesn't want autocomplete suggestions, then clear any that exist.
  return {};
};
const getAliases = async (settings, esClient) => {
  if (settings.indices) {
    const aliases = await esClient.asInternalUser.indices.getAlias();
    return aliases;
  }
  // If the user doesn't want autocomplete suggestions, then clear any that exist.
  return {};
};
const getDataStreams = async (settings, esClient) => {
  if (settings.dataStreams) {
    const dataStreams = await esClient.asInternalUser.indices.getDataStream();
    return dataStreams;
  }
  // If the user doesn't want autocomplete suggestions, then clear any that exist.
  return {};
};
const getLegacyTemplates = async (settings, esClient) => {
  if (settings.templates) {
    const legacyTemplates = await esClient.asInternalUser.indices.getTemplate();
    return legacyTemplates;
  }
  // If the user doesn't want autocomplete suggestions, then clear any that exist.
  return {};
};
const getIndexTemplates = async (settings, esClient) => {
  if (settings.templates) {
    const indexTemplates = await esClient.asInternalUser.indices.getIndexTemplate();
    return indexTemplates;
  }
  // If the user doesn't want autocomplete suggestions, then clear any that exist.
  return {};
};
const getComponentTemplates = async (settings, esClient) => {
  if (settings.templates) {
    const componentTemplates = await esClient.asInternalUser.cluster.getComponentTemplate();
    return componentTemplates;
  }
  // If the user doesn't want autocomplete suggestions, then clear any that exist.
  return {};
};
const registerAutocompleteEntitiesRoute = deps => {
  deps.router.get({
    path: '/api/console/autocomplete_entities',
    options: {
      tags: ['access:console']
    },
    validate: _validation_config.autoCompleteEntitiesValidationConfig
  }, async (context, request, response) => {
    const esClient = (await context.core).elasticsearch.client;
    const settings = request.query;

    // Wait for all requests to complete, in case one of them fails return the successfull ones
    const results = await Promise.allSettled([getMappings(settings, esClient), getAliases(settings, esClient), getDataStreams(settings, esClient), getLegacyTemplates(settings, esClient), getIndexTemplates(settings, esClient), getComponentTemplates(settings, esClient)]);
    const [mappings, aliases, dataStreams, legacyTemplates, indexTemplates, componentTemplates] = results.map(result => {
      // If the request was successful, return the result
      if (result.status === 'fulfilled') {
        return result.value;
      }

      // If the request failed, log the error and return an empty object
      if (result.reason instanceof Error) {
        deps.log.debug(`Failed to retrieve autocomplete suggestions: ${result.reason.message}`);
      }
      return {};
    });
    return response.ok({
      body: {
        mappings,
        aliases,
        dataStreams,
        legacyTemplates,
        indexTemplates,
        componentTemplates
      }
    });
  });
};
exports.registerAutocompleteEntitiesRoute = registerAutocompleteEntitiesRoute;