#!/usr/bin/env node

'use strict';

const semver = require('semver');

const {execRead, logPromise} = require('../utils');

const run = async ({cwd, packages, skipPackages}, versionsMap) => {

  const branch = await execRead('git branch | grep \\* | cut -d " " -f2', {

    cwd,

  });

  for (let i = 0; i < packages.length; i++) {

    const packageName = packages[i];

    try {

      // In case local package JSONs are outdated,

      // guess the next version based on the latest NPM release.

      const version = await execRead(`npm show ${packageName} version`);

      if (skipPackages.includes(packageName)) {

        versionsMap.set(packageName, version);

      } else {

        const {major, minor, patch} = semver(version);

        // Guess the next version by incrementing patch.

        // The script will confirm this later.

        // By default, new releases from mains should increment the minor version number,

        // and patch releases should be done from branches.

        if (branch === 'main') {

          versionsMap.set(packageName, `${major}.${minor + 1}.0`);

        } else {

          versionsMap.set(packageName, `${major}.${minor}.${patch + 1}`);

        }

      }

    } catch (error) {

      // If the package has not yet been published,

      // we'll require a version number to be entered later.

      versionsMap.set(packageName, null);

    }

  }

};

module.exports = async (params, versionsMap) => {

  return logPromise(

    run(params, versionsMap),

    'Guessing stable version numbers'

  );

};