// eslint-disable-next-line
const importFrom = require('import-from')

function getPackages (context) {
  return Promise.resolve()
    .then(() => {
      const ctx = context || {}
      const cwd = ctx.cwd || process.cwd()
      const Project = importFrom(cwd, '@lerna/project')
      const project = new Project(cwd)
      return project.getPackages()
    })
    .then(packages => {
      return packages.map(pkg => pkg.name).map(name => (name.charAt(0) === '@' ? name.split('/')[1] : name))
    })
}

const scopes = [
  'project',
  'core',
  'style',
  'docs',
  'ci',
  'dev',
  'build',
  'deploy',
  'other',
]

module.exports = {
  rules: {
    'scope-enum': ctx => getPackages(ctx).then(packages => [2, 'always', [...packages, ...scopes]]),
    'body-leading-blank': [1, 'always'],
    'footer-leading-blank': [1, 'always'],
    'header-max-length': [2, 'always', 72],
    'scope-case': [2, 'always', 'lower-case'],
    'subject-case': [1, 'never', ['sentence-case', 'start-case', 'pascal-case', 'upper-case']],
    'subject-empty': [2, 'never'],
    'subject-full-stop': [2, 'never', '.'],
    'type-case': [2, 'always', 'lower-case'],
    'type-empty': [2, 'never'],
    'type-enum': [
      2,
      'always',
      ['build', 'chore', 'ci', 'docs', 'feat', 'fix', 'perf', 'refactor', 'revert', 'style', 'test', 'improvement'],
    ],
  },
}