text: 'use strict'
  
  const Joi = require('joi')
  const BaseJsonService = require('../base-json')
  const { NotFound } = require('../errors')
  
  const latestBuildSchema = Joi.object({
    count: Joi.number().required(),
    value: Joi.array()
      .items(
        Joi.object({
          id: Joi.number().required(),
        })
      )
      .required(),
  }).required()
  
  module.exports = class AzureDevOpsBase extends BaseJsonService {
    async fetch({ url, options, schema, errorMessages }) {
      return this._requestJson({
        schema,
        url,
        options,
        errorMessages,
      })
    }
  
    async getLatestCompletedBuildId(
      organization,
      project,
      definitionId,
      branch,
      headers,
      errorMessages
    ) {
      // Microsoft documentation: https://docs.microsoft.com/en-us/rest/api/azure/devops/build/builds/list?view=azure-devops-rest-5.0
      const url = `https://dev.azure.com/${organization}/${project}/_apis/build/builds`
      const options = {
        qs: {
          definitions: definitionId,
          $top: 1,
          statusFilter: 'completed',
          'api-version': '5.0-preview.4',
        },
        headers,
      }
  
      if (branch) {
        options.qs.branchName = `refs/heads/${branch}`
      }
  
      const json = await this.fetch({
        url,
        options,
        schema: latestBuildSchema,
        errorMessages,
      })
  
      if (json.count !== 1) {
        throw new NotFound({ prettyMessage: 'build pipeline not found' })
      }
  
      return json.value[0].id
    }
  }
  