#!/usr/bin/env node

const fs = require('fs')

const core = require('@actions/core')

const eventPayload = JSON.parse(fs.readFileSync(process.env.GITHUB_EVENT_PATH, 'utf8'))

// This workflow-run script does the following:

// 1. Gets an array of labels on a PR.

// 2. Finds one with the relevant Algolia text; if none found, exits early.

// 3. Gets the version substring from the label string.

const labelText = 'sync-english-index-for-'

const labelsArray = eventPayload.pull_request.labels

// Exit early if no labels are on this PR

if (!(labelsArray && labelsArray.length)) {

process.exit(0)

}

// Find the relevant label

const algoliaLabel = labelsArray

.map(label => label.name)

.find(label => label.startsWith(labelText))

// Exit early if no relevant label is found

if (!algoliaLabel) {

process.exit(0)

}

// Given: sync-english-index-for-enterprise-server@3.0

// Returns: enterprise-server@3.0

const versionToSync = algoliaLabel.split(labelText)[1]

// Store the version so we can access it later in the workflow

core.setOutput('versionToSync', versionToSync)

process.exit(0)