"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.validateInfluencers = validateInfluencers;
var _validate_job_object = require("./validate_job_object");
/*
 * 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; you may not use this file except in compliance with the Elastic License
 * 2.0.
 */

const INFLUENCER_LOW_THRESHOLD = 0;
const INFLUENCER_HIGH_THRESHOLD = 4;
const DETECTOR_FIELD_NAMES_THRESHOLD = 1;
async function validateInfluencers(job) {
  (0, _validate_job_object.validateJobObject)(job);
  const messages = [];
  const influencers = job.analysis_config.influencers;
  const detectorFieldNames = [];
  job.analysis_config.detectors.forEach(d => {
    if (d.by_field_name) {
      detectorFieldNames.push(d.by_field_name);
    }
    if (d.over_field_name) {
      detectorFieldNames.push(d.over_field_name);
    }
    if (d.partition_field_name) {
      detectorFieldNames.push(d.partition_field_name);
    }
  });

  // if there's one detector but no by/over/partition field,
  // then we skip further influencer checks.
  // for example, the simple job wizard might create a job with a
  // detector using 'count' and no influencers and there shouldn't
  // be a warning about that.
  if ((influencers === null || influencers === void 0 ? void 0 : influencers.length) === 0 && job.analysis_config.detectors.length === 1 && detectorFieldNames.length === 0) {
    return Promise.resolve([]);
  }
  if (
  // @ts-expect-error influencers is optional
  influencers.length <= INFLUENCER_LOW_THRESHOLD && detectorFieldNames.length >= DETECTOR_FIELD_NAMES_THRESHOLD) {
    let influencerSuggestion = `"${detectorFieldNames[0]}"`;
    let id = 'influencer_low_suggestion';
    if (detectorFieldNames.length > 1) {
      id = 'influencer_low_suggestions';
      const uniqueInfluencers = [...new Set(detectorFieldNames)];
      influencerSuggestion = `[${uniqueInfluencers.map(i => `"${i}"`).join(',')}]`;
    }
    messages.push({
      id,
      influencerSuggestion
    });
    // @ts-expect-error influencers is optional
  } else if (influencers.length <= INFLUENCER_LOW_THRESHOLD) {
    messages.push({
      id: 'influencer_low'
    });
    // @ts-expect-error influencers is optional
  } else if (influencers.length >= INFLUENCER_HIGH_THRESHOLD) {
    messages.push({
      id: 'influencer_high'
    });
  }
  if (messages.length === 0) {
    messages.push({
      id: 'success_influencers'
    });
  }
  return Promise.resolve(messages);
}