#!/usr/bin/env node

const fs = require('fs');

const path = require('path');

const fetch = require('node-fetch');

const {

buildClientSchema,

introspectionQuery,

printSchema,

} = require('graphql/utilities');

const schemaPath = path.resolve(__dirname, '..', 'graphql', 'schema');

const token = process.env.GITHUB_TOKEN;

if (!token) {

throw new Error('You must specify a GitHub auth token in GITHUB_TOKEN');

}

const SERVER = 'https://api.github.com/graphql';

// Save JSON of full schema introspection for Babel Relay Plugin to use

fetch(`${SERVER}`, {

method: 'POST',

headers: {

'Accept': 'application/json',

'Content-Type': 'application/json',

'Authorization': 'bearer ' + token,

},

body: JSON.stringify({query: introspectionQuery}),

}).then(res => res.json()).then(schemaJSON => {

const graphQLSchema = buildClientSchema(schemaJSON.data);

fs.writeFileSync(`${schemaPath}.graphql`, printSchema(graphQLSchema));

}).catch(err => console.error(err)); // eslint-disable-line no-console