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

const scopes = fs
  .readdirSync(path.resolve(__dirname, 'src'), { withFileTypes: true })
  .filter((dirent) => dirent.isDirectory())
  .map((dirent) => dirent.name.replace(/s$/, ''));

// precomputed scope
const scopeComplete = execSync('git status --porcelain || true')
  .toString()
  .trim()
  .split('\n')
  .find((r) => ~r.indexOf('M  src'))
  ?.replace(/(\/)/g, '%%')
  ?.match(/src%%((\w|-)*)/)?.[1]
  ?.replace(/s$/, '');

/** @type {import('cz-git').UserConfig} */
module.exports = {
  ignores: [(commit) => commit.includes('init')],
  extends: ['gitmoji'],
  rules: {
    'body-leading-blank': [2, 'always'],
    'footer-leading-blank': [1, 'always'],
    'header-max-length': [2, 'always', 108],
    'subject-case': [0],
    'type-enum': [
      2,
      'always',
      [
        'style',
        'pref',
        'fix',
        'hotfix',
        'feat',
        'doc',
        'init',
        'lint',
        'temp',
        'down',
        'up',
        'ci',
        'refactor',
        'depend',
        'config',
        'i8n',
        'comment',
        'scaffold',
        'try',
        'type',
        'clean',
        'test',
        'version',
      ],
    ],
  },
  prompt: {
    /** @use `yarn commit :f` */
    alias: {
      f: 'docs: fix typos',
      r: 'docs: update README',
      s: 'style: update code format',
      b: 'build: bump dependencies',
      c: 'chore: update config',
    },
    customScopesAlign: !scopeComplete ? 'top' : 'bottom',
    defaultScope: scopeComplete,
    scopes: [...scopes, 'mock'],
    allowEmptyIssuePrefixs: false,
    allowCustomIssuePrefixs: false,

    // English
    typesAppend: [
      { value: 'wip', name: 'wip:      work in process' },
      { value: 'workflow', name: 'workflow: workflow improvements' },
      { value: 'types', name: 'types:    type definition file changes' },
    ],
  },
};