const fs = require('fs')
const path = require('path')

const type = process.argv[2] || 'patch' // patch | minor | major
const pkgPath = path.join(__dirname, '..', 'package.json')
const pkg = JSON.parse(fs.readFileSync(pkgPath, 'utf8'))

let [major, minor, patch] = pkg.version.split('.').map(Number)

switch (type) {
  case 'major':
    major++
    minor = 0
    patch = 0
    break
  case 'minor':
    minor++
    patch = 0
    break
  case 'patch':
  default:
    patch++
    break
}

pkg.version = `${major}.${minor}.${patch}`
fs.writeFileSync(pkgPath, JSON.stringify(pkg, null, 2) + '\n')
console.log(`[bump-version] ${type} -> ${pkg.version}`)