const spawn = require('cross-spawn')
const path = require('path')
const execSync = require('child_process').execSync
const semver = require('semver')

/**
 *
 * @param {String} projectName Project name to be created
 * @param {Boolean} isYarn Check if will be installed under yarn or NPM
 */
function install(projectName, isYarn) {
  return new Promise((resolve, reject) => {
    const appPath = [process.cwd(), projectName].join(path.sep)
    //change the directory to the app directory
    process.chdir(appPath)

    const command = isYarn ? 'yarn' : 'npm'
    const args = isYarn ? [''] : ['install']
    const exec = spawn(command, args, {
      stdio: 'pipe',
      env: { ...process.env, ADBLOCK: '1', DISABLE_OPENCOLLECTIVE: '1' },
    })

    exec.on('close', (code) => {
      if (code !== 0) {
        reject({ command: `${command} ${args[0]}` })
        return
      }
      resolve()
    })
  })
}

/**
 * Method to initialize git repo on the new project
 */
async function initGit() {
  spawn(`git`, [`init`, `-q`])
}

/**
 * Check the version for npm and Yarn
 * @param {String} pname
 * @returns Boolean
 */
function checkPackageVersion(pname) {
  let userVersion = execSync(`${pname} --version`).toString()
  let expectedVersion = pname === 'yarn' ? '1.22.10' : '6.14.5'
  return !semver.lt(userVersion, expectedVersion)
}

module.exports = { install, initGit, checkPackageVersion }