#!/usr/bin/env node

'use strict';

const {exec, execSync} = require('child_process');

const {readFileSync, writeFileSync} = require('fs');

const {join} = require('path');

const main = async buildId => {

  const root = join(__dirname, buildId);

  const buildPath = join(root, 'build');

  execSync(`node ${join(root, './build')}`, {

    cwd: __dirname,

    env: {

      ...process.env,

      NODE_ENV: 'production',

    },

    stdio: 'inherit',

  });

  await exec(`cp ${join(root, 'now.json')} ${join(buildPath, 'now.json')}`, {

    cwd: root,

  });

  const file = readFileSync(join(root, 'now.json'));

  const json = JSON.parse(file);

  const alias = json.alias[0];

  const commit = execSync('git rev-parse HEAD').toString().trim().slice(0, 7);

  let date = new Date();

  date = `${date.toLocaleDateString()} – ${date.toLocaleTimeString()}`;

  const installationInstructions =

    buildId === 'chrome'

      ? readFileSync(join(__dirname, 'deploy.chrome.html'))

      : readFileSync(join(__dirname, 'deploy.firefox.html'));

  let html = readFileSync(join(__dirname, 'deploy.html')).toString();

  html = html.replace(/%commit%/g, commit);

  html = html.replace(/%date%/g, date);

  html = html.replace(/%installation%/, installationInstructions);

  writeFileSync(join(buildPath, 'index.html'), html);

  await exec(`now deploy && now alias ${alias}`, {

    cwd: buildPath,

    stdio: 'inherit',

  });

  console.log(`Deployed to https://${alias}.now.sh`);

};

module.exports = main;