pankaryp/crana

const { ncp } = require('ncp');

const childProcess = require('child_process');
const fs = require('fs');
const { promisify } = require('util');

const fileStats = promisify(fs.stat);

const {
  packageRootPath
} = require('./paths');

function copyDir({ source, destination }) {
  return new Promise((resolve, reject) => {
    ncp(source, destination, (err) => {
      if (err) {
        console.error('Error while copying folder contents.', err);
        reject(err);
        return;
      }
      resolve();
    });
  });
}

function replaceAll(str, what, withThat) {
  let retStr = str;
  while (retStr.includes(what))
    retStr = retStr.replace(what, withThat);
  return retStr;
}

function colorize(str) {
  const colorsMods = {
    Reset: '\x1b[0m',
    Bright: '\x1b[1m',
    Dim: '\x1b[2m',
    Underscore: '\x1b[4m',
    Blink: '\x1b[5m',
    Reverse: '\x1b[7m',
    Hidden: '\x1b[8m',

    FgBlack: '\x1b[30m',
    FgRed: '\x1b[31m',
    FgGreen: '\x1b[32m',
    FgYellow: '\x1b[33m',
    FgBlue: '\x1b[34m',
    FgMagenta: '\x1b[35m',
    FgCyan: '\x1b[36m',
    FgWhite: '\x1b[37m',

    BgBlack: '\x1b[40m',
    BgRed: '\x1b[41m',
    BgGreen: '\x1b[42m',
    BgYellow: '\x1b[43m',
    BgBlue: '\x1b[44m',
    BgMagenta: '\x1b[45m',
    BgCyan: '\x1b[46m',
    BgWhite: '\x1b[47m'
  };

  const retObj = {};

  Object.keys(colorsMods).forEach((mod) => {
    retObj[mod] = () => `${colorsMods[mod]}${str}${colorsMods.Reset}`;
  });

  return retObj;
}

function sanitizedCmdInput(cmd) {
  return replaceAll(cmd, '\n', '').split(' ').filter(s => s).join(' ');
}

function prepareCmd(sanitizedCmd) {
  const splitted = sanitizedCmd.split(' ');
  return {
    cmd: splitted[0],
    argv: splitted.slice(1, splitted.length)
  };
}

function execCmd(cmd, { async = false, cwd = packageRootPath } = {}) {
  if (async) {
    const sanitizedCmd = sanitizedCmdInput(cmd);
    // const allCmds = sanitizedCmd.split('&&').map(c => c.split('&')).flat();

    const preparedCmd = prepareCmd(sanitizedCmd);
    childProcess.spawn(
      preparedCmd.cmd,
      preparedCmd.argv,
      { cwd, stdio: 'inherit', shell: true }
    );
    return true;
  }

  childProcess.execSync(
    cmd,
    { cwd, stdio: 'inherit' }
  );
  return true;
}

function log({ text, type }) {
  switch (type) {
    default:
    case 'info':
      console.log(text);
      break;
    case 'warning':
      console.warn(text);
      break;
    case 'error':
      console.error(text);
      break;
  }
}

async function fileExists(path) {
  try {
    const stats = await fileStats(path);
    return stats.isFile();
  } catch (e) {
    return false;
  }
}

module.exports = {
  copyDir,
  replaceAll,
  colorize,
  execCmd,
  log,
  fileExists
};