#!/usr/bin/env node

const glob = require('glob')

const program = require('commander')

const getOperations = require('./utils/get-operations')

// [start-readme]

//

// Run this script to check if OpenAPI files can be decorated successfully.

//

// [end-readme]

program

.description('Generate dereferenced OpenAPI and decorated schema files.')

.requiredOption('-f, --files [files...]', 'A list of OpenAPI description files to check. Can parse literal glob patterns.')

.parse(process.argv)

const filenames = program.files

const filesToCheck = filenames.flatMap(filename => glob.sync(filename))

if (filesToCheck.length) {

check(filesToCheck)

} else {

console.log('No files to verify.')

process.exit(1)

}

async function check (files) {

console.log('Verifying OpenAPI files are valid with decorator')

const documents = files.map(filename => [filename, require(filename)])

for (const [filename, schema] of documents) {

try {

// munge OpenAPI definitions object in an array of operations objects

const operations = await getOperations(schema)

// process each operation, asynchronously rendering markdown and stuff

await Promise.all(operations.map(operation => operation.process()))

console.log(`Successfully could decorate OpenAPI operations for document ${filename}`)

} catch (error) {

console.error(error)

console.log(`🐛 Whoops! It looks like the decorator script wasn't able to parse the dereferenced schema in file ${filename}. A recent change may not yet be supported by the decorator. Please reach out in the #docs-engineering slack channel for help.`)

process.exit(1)

}

}

}