'use strict';

var _ = require('lodash/fp');
var inquirer = require('inquirer');

var questions = [{
  type: 'input',
  name: 'projectName',
  message: "What's the name of the repository?"
}, {
  type: 'input',
  name: 'projectOwner',
  message: "Who is the owner of the repository?"
}, {
  type: 'input',
  name: 'contributorFile',
  message: 'In which file should contributors be listed?',
  default: 'README.md'
}, {
  type: 'confirm',
  name: 'needBadge',
  message: "Do you want a badge tallying the number of contributors?"
}, {
  type: 'input',
  name: 'badgeFile',
  message: "In which file should the badge be shown?",
  when: function (answers) {
    return answers.needBadge;
  },
  default: function (answers) {
    return answers.contributorFile;
  }
}, {
  type: 'input',
  name: 'imageSize',
  message: "How big should the avatars be? (in px)",
  filter: parseInt,
  default: 100
}];

var uniqueFiles = _.flow(
  _.compact,
  _.uniq
);

module.exports = function prompt(cb) {
  inquirer.prompt(questions, function treatAnswers(answers) {
    var config = {
      projectName: answers.projectName,
      projectOwner: answers.projectOwner,
      files: uniqueFiles([answers.contributorFile, answers.badgeFile]),
      imageSize: answers.imageSize,
      contributors: []
    };
    return cb({
      config: config,
      contributorFile: answers.contributorFile,
      badgeFile: answers.badgeFile
    });
  });
};