/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */

import { execSync } from 'child_process';
import { readFileSync, writeFileSync } from 'fs';
import { resolve } from 'path';

// A script to handle versioning and ensure all related changes are in a single, atomic commit.

function run(command) {
  console.log(`> ${command}`);
  execSync(command, { stdio: 'inherit' });
}

function readJson(filePath) {
  return JSON.parse(readFileSync(filePath, 'utf-8'));
}

function writeJson(filePath, data) {
  writeFileSync(filePath, JSON.stringify(data, null, 2) + '\n');
}

// 1. Get the version type from the command line arguments.
const versionType = process.argv[2];
if (!versionType) {
  console.error('Error: No version type specified.');
  console.error('Usage: npm run version <patch|minor|major|prerelease>');
  process.exit(1);
}

// 2. Bump the version in the root and all workspace package.json files.
run(`npm version ${versionType} --workspaces --no-git-tag-version`);

// 3. Get the new version number from the root package.json
const rootPackageJsonPath = resolve(process.cwd(), 'package.json');
const newVersion = readJson(rootPackageJsonPath).version;

// 4. Update the sandboxImageUri in the root package.json
const rootPackageJson = readJson(rootPackageJsonPath);
if (rootPackageJson.config?.sandboxImageUri) {
  rootPackageJson.config.sandboxImageUri =
    rootPackageJson.config.sandboxImageUri.replace(/:.*$/, `:${newVersion}`);
  console.log(`Updated sandboxImageUri in root to use version ${newVersion}`);
  writeJson(rootPackageJsonPath, rootPackageJson);
}

// 5. Update the sandboxImageUri in the cli package.json
const cliPackageJsonPath = resolve(process.cwd(), 'packages/cli/package.json');
const cliPackageJson = readJson(cliPackageJsonPath);
if (cliPackageJson.config?.sandboxImageUri) {
  cliPackageJson.config.sandboxImageUri =
    cliPackageJson.config.sandboxImageUri.replace(/:.*$/, `:${newVersion}`);
  console.log(
    `Updated sandboxImageUri in cli package to use version ${newVersion}`,
  );
  writeJson(cliPackageJsonPath, cliPackageJson);
}

// 6. Run `npm install` to update package-lock.json.
run('npm install');

const commitMessage = `chore(release): v${newVersion}`;
console.log(
run(
  'git add package.json package-lock.json packages/*/package.json',
);
// 7. Add all the changed files to the git staging area.
run(
  'git add package.json package-lock.json packages/cli/package.json packages/core/package.json',
);

// 8. Create the atomic commit with all changes.
run(`git commit --no-edit -m "${commitMessage}"`);

// 9. Create the git tag to match the commit.
run(`git tag -a "v${newVersion}" -m "${commitMessage}"`);

console.log(`Successfully committed and tagged v${newVersion}.`);