install.js

const { execSync } = require('child_process');
const fs = require('fs');
const path = require('path');

function setupProject() {
  const rootDir = path.join(process.cwd(), '../..');

  console.log('Setting root directory to', rootDir);
  process.chdir(rootDir);

  console.log('Verifying Git installation...');
  const gitInstalled = isGitInstalled();
  if (!gitInstalled) {
    console.error('Error: Git is not installed in the root directory.');
    return;
  }
  
  console.log('Installing dependencies...');
  execSync('npm install husky validate-branch-name @commitlint/cli @commitlint/config-conventional --save-dev', { stdio: 'inherit' });

  console.log('Creating configuration files...');
  const validateBranchNamercPath = path.join(rootDir, '.validate-branch-namerc');
  fs.writeFileSync(validateBranchNamercPath, JSON.stringify({
    "pattern": "^(master|stage|feature|fix|hotfix|release)(\\/[a-zA-Z0-9_-]+)*$"
  }, null, 2));
  console.log(`Created ${validateBranchNamercPath}`);

  const commitlintConfigPath = path.join(rootDir, 'commitlint.config.js');
  fs.writeFileSync(commitlintConfigPath, `module.exports = {
    extends: ['@commitlint/config-conventional'],
    rules: {
      'type-enum': [2, 'always', ['feat', 'fix', 'docs', 'style', 'refactor', 'test', 'chore']],
    },
  };`);
  console.log(`Created ${commitlintConfigPath}`);

  console.log('Setting up package.json...');
  const packageJsonPath = path.join(rootDir, 'package.json');
  const packageJson = JSON.parse(fs.readFileSync(packageJsonPath));
  packageJson.scripts = {
    ...packageJson.scripts,
    prepare: 'husky install',
    'lint-branch': 'validate-branch-name --config .validate-branch-namerc',
    'lint-commit-msg': 'commitlint -E HUSKY_GIT_PARAMS',
  };
  packageJson.husky = {
    hooks: {
      'pre-commit': 'npm run lint-branch && npm run lint-commit-msg',
    },
  };
  fs.writeFileSync(packageJsonPath, JSON.stringify(packageJson, null, 2));
  console.log(`Updated ${packageJsonPath}`);

  console.log('Running husky install...');
  execSync('npx husky install', { stdio: 'inherit' });

  console.log('Adding Husky hooks...');
  execSync('npx husky add .husky/pre-commit "npx validate-branch-name"', { stdio: 'inherit' });
  const commitMsgHookScript = `
  #!/usr/bin/env sh
  . "$(dirname -- "$0")/_/husky.sh"

  npx --no -- commitlint --edit \${1} --config commitlint.config.js
  `;

  const commitMsgHookPath = path.join(rootDir, '.husky/commit-msg');
  fs.writeFileSync(commitMsgHookPath, commitMsgHookScript);
  console.log(`Created ${commitMsgHookPath}`);

  console.log('Setting executable permission for commit-msg...');
  execSync('chmod +x .husky/commit-msg', { stdio: 'inherit' });

  console.log('Setup completed.');
}

function isGitInstalled() {
  const gitDir = path.join(process.cwd(), '.git');
  return fs.existsSync(gitDir);
}

module.exports = {
  setupProject,
};