#!/usr/bin/env node
/**
 * Copyright (c) 2015-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
'use strict';

/**
 * This script bumps a new version for open source releases.
 * It updates the version in json/gradle files and makes sure they are consistent between each other
 * After changing the files it makes a commit and tags it.
 * All you have to do is push changes to remote and CI will make a new build.
 */
const fs = require('fs');
const {
  cat,
  echo,
  exec,
  exit,
  sed,
} = require('shelljs');

const minimist = require('minimist');

let argv = minimist(process.argv.slice(2), {
  alias: {remote: 'r'},
  default: {remote: 'origin'},
});

// - check we are in release branch, e.g. 0.33-stable
let branch = exec('git symbolic-ref --short HEAD', {silent: true}).stdout.trim();

if (branch.indexOf('-stable') === -1) {
  echo('You must be in 0.XX-stable branch to bump a version');
  exit(1);
}

// e.g. 0.33
let versionMajor = branch.slice(0, branch.indexOf('-stable'));

// - check that argument version matches branch
// e.g. 0.33.1 or 0.33.0-rc4
let version = argv._[0];
if (!version || version.indexOf(versionMajor) !== 0) {
  echo(`You must pass a tag like 0.${versionMajor}.[X]-rc[Y] to bump a version`);
  exit(1);
}

// Generate version files to detect mismatches between JS and native.
let match = version.match(/^(\d+)\.(\d+)\.(\d+)(?:-(.+))?$/);
if (!match) {
  echo(`You must pass a correctly formatted version; couldn't parse ${version}`);
  exit(1);
}
let [, major, minor, patch, prerelease] = match;

fs.writeFileSync(
  'ReactAndroid/src/main/java/com/facebook/react/modules/systeminfo/ReactNativeVersion.java',
  cat('scripts/versiontemplates/ReactNativeVersion.java.template')
    .replace('${major}', major)
    .replace('${minor}', minor)
    .replace('${patch}', patch)
    .replace('${prerelease}', prerelease !== undefined ? `"${prerelease}"` : 'null'),
  'utf-8'
);

fs.writeFileSync(
  'React/Base/RCTVersion.m',
  cat('scripts/versiontemplates/RCTVersion.m.template')
    .replace('${major}', `@(${major})`)
    .replace('${minor}', `@(${minor})`)
    .replace('${patch}', `@(${patch})`)
    .replace('${prerelease}', prerelease !== undefined ? `@"${prerelease}"` : '[NSNull null]'),
  'utf-8'
);

fs.writeFileSync(
  'Libraries/Core/ReactNativeVersion.js',
  cat('scripts/versiontemplates/ReactNativeVersion.js.template')
    .replace('${major}', major)
    .replace('${minor}', minor)
    .replace('${patch}', patch)
    .replace('${prerelease}', prerelease !== undefined ? `'${prerelease}'` : 'null'),
  'utf-8'
);

let packageJson = JSON.parse(cat('package.json'));
packageJson.version = version;
fs.writeFileSync('package.json', JSON.stringify(packageJson, null, 2), 'utf-8');

// - change ReactAndroid/gradle.properties
if (sed('-i', /^VERSION_NAME=.*/, `VERSION_NAME=${version}`, 'ReactAndroid/gradle.properties').code) {
  echo('Couldn\'t update version for Gradle');
  exit(1);
}

// verify that files changed, we just do a git diff and check how many times version is added across files
let numberOfChangedLinesWithNewVersion = exec(`git diff -U0 | grep '^[+]' | grep -c ${version} `, {silent: true})
  .stdout.trim();
if (+numberOfChangedLinesWithNewVersion !== 2) {
  echo('Failed to update all the files. package.json and gradle.properties must have versions in them');
  echo('Fix the issue, revert and try again');
  exec('git diff');
  exit(1);
}

// - make commit [0.21.0-rc] Bump version numbers
if (exec(`git commit -a -m "[${version}] Bump version numbers"`).code) {
  echo('failed to commit');
  exit(1);
}

// - add tag v0.21.0-rc
if (exec(`git tag v${version}`).code) {
  echo(`failed to tag the commit with v${version}, are you sure this release wasn't made earlier?`);
  echo('You may want to rollback the last commit');
  echo('git reset --hard HEAD~1');
  exit(1);
}

// Push newly created tag
let remote = argv.remote;
exec(`git push ${remote} v${version}`);

// Tag latest if doing stable release
if (version.indexOf('rc') === -1) {
  exec('git tag -d latest');
  exec(`git push ${remote} :latest`);
  exec('git tag latest');
  exec(`git push ${remote} latest`);
}

exec(`git push ${remote} ${branch} --follow-tags`);

exit(0);