// Packages
const chalk = require('chalk');

// Ours
const stamp = require('../../lib/utils/output/stamp');
const info = require('../../lib/utils/output/info');
const error = require('../../lib/utils/output/error');
const wait = require('../../lib/utils/output/wait');
const rightPad = require('../../lib/utils/output/right-pad');
const eraseLines = require('../../lib/utils/output/erase-lines');
const { tick } = require('../../lib/utils/output/chars');
const success = require('../../lib/utils/output/success');
const cmd = require('../../lib/utils/output/cmd');
const note = require('../../lib/utils/output/note');
const uid = require('../../lib/utils/output/uid');
const textInput = require('../../lib/utils/input/text');
const exit = require('../../lib/utils/exit');
const cfg = require('../../lib/cfg');

function validateSlugKeypress(data, value) {
  // TODO: the `value` here should contain the current value + the keypress
  // should be fixed on utils/input/text.js
  return /^[a-zA-Z]+[a-zA-Z0-9_-]*$/.test(value + data);
}

function gracefulExit() {
  console.log(); // Blank line
  note(
    `Your team is now active for all ${cmd('now')} commands!\n  Run ${cmd('now switch')} to change it in the future.`
  );
  return exit();
}

const teamUrlPrefix = rightPad('Team URL', 14) + chalk.gray('zeit.co/');
const teamNamePrefix = rightPad('Team Name', 14);

module.exports = async function(teams) {
  let slug;
  let team;
  let elapsed;
  let stopSpinner;

  info(
    `Pick a team identifier for its url (e.g.: ${chalk.cyan('`zeit.co/acme`')})`
  );
  do {
    try {
      // eslint-disable-next-line no-await-in-loop
      slug = await textInput({
        label: `- ${teamUrlPrefix}`,
        validateKeypress: validateSlugKeypress,
        initialValue: slug,
        valid: team,
        forceLowerCase: true
      });
    } catch (err) {
      if (err.message === 'USER_ABORT') {
        info('Aborted');
        return exit();
      }
      throw err;
    }
    elapsed = stamp();
    stopSpinner = wait(teamUrlPrefix + slug);

    let res
    try {
      // eslint-disable-next-line no-await-in-loop
      res = await teams.create({ slug });
      stopSpinner();
      team = res
    } catch (err) {
      stopSpinner();
      eraseLines(2);
      error(err.message)
    }
  } while (!team);

  eraseLines(2);
  success(`Team created ${uid(team.id)} ${elapsed()}`);
  console.log(chalk.cyan(`${tick} `) + teamUrlPrefix + slug + '\n');

  info('Pick a display name for your team');
  let name;
  try {
    name = await textInput({
      label: `- ${teamNamePrefix}`,
      validateValue: value => value.trim().length > 0
    });
  } catch (err) {
    if (err.message === 'USER_ABORT') {
      info('No name specified');
      gracefulExit();
    } else {
      throw err;
    }
  }
  elapsed = stamp();
  stopSpinner = wait(teamNamePrefix + name);
  const res = await teams.edit({ id: team.id, name });
  stopSpinner();

  eraseLines(2);
  if (res.error) {
    error(res.error.message);
    console.log(`${chalk.red(`✖ ${teamNamePrefix}`)}${name}`);
    exit(1);
    // TODO: maybe we want to ask the user to retry? not sure if
    // there's a scenario where that would be wanted
  }

  team = Object.assign(team, res);

  success(`Team name saved ${elapsed()}`);
  console.log(chalk.cyan(`${tick} `) + teamNamePrefix + team.name + '\n');

  stopSpinner = wait('Saving');
  await cfg.merge({ currentTeam: team });
  stopSpinner();

  await require('./invite')(teams, [], {
    introMsg: 'Invite your team mates! When done, press enter on an empty field',
    noopMsg: `You can invite team mates later by running ${cmd('now teams invite')}`
  });

  gracefulExit();
};