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 {*} 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 };