#!/usr/bin/env node

const _ = require("lodash");
const path = x => require("../" + x);
const immutable = path("js/immutable");
const git = path("js/git");
const shell = path("js/shell");

const commander = require("commander");
const program = new commander.Command();

program.parse(process.argv);

function endFeatureBranch(dp) {
  const cmds = [
    "git fetch origin -p",
    "git fetch origin --tags",
    `git merge origin/${dp.currentBranch}`,
    `git checkout -b ${dp.featureBranch}`,
    `git push -u origin ${dp.featureBranch}`
  ];
  return _.reduce(
    cmds,
    (accum, elem) => {
      return accum
        .then(() => console.log(elem))
        .then(() => console.log())
        .then(() => shell.run(elem));
    },
    Promise.resolve({})
  );
}
// function setBranchParts(dp) {
//   def parse_branch (branch)
//     parts = branch.split('-')
//     error "invalid branch: user-standard-feature" unless parts.size > 2
//
//     user     = parts.shift
//     standard = parts.shift
//     error "invalid user: #{user}" unless [ENV['FEATURE_USER'],ENV['USER']].include? user
//     error "invalid branch: #{standard}" unless standard_branches.include? standard or standard =~ release_branch_pattern
//     feature  =  parts.join('-')
//     { user: user, standard: standard, feature: feature }
// }

function toPromise(dp) {
  return Promise.resolve(dp);
}

const x = toPromise({ program })
  .then(setStandardBranches)
  .then(setFeatureName)
  .then(validateFeatureName)
  .then(setPrefix)
  .then(setCurrentBranch)
  .then(validateCurrentBranch)
  .then(setFeatureBranch)
  .then(createFeatureBranch)
  .catch(err => console.error(err));