Promise = require 'bluebird'
_ = require 'lodash'

Log = require './log'
Color = require './color'

SlugManager = require './slug_manager'
GitHubManager = require './github_manager'
Website = require './website'
GitRemote = require './git_remote'
GitRepository = require './git_repository'

module.exports =
class Publisher
  start: ->
    @ensureNoWebsite().then =>
      Log.p('You are about to publish a new website.')
      @run().then(@success)

  steps: ->
    [
      { key: 'slug', fn: SlugManager.choose }
      { key: 'repo', fn: GitHubManager.choose }
      { key: 'website', fn: Website.create }
      { key: 'repository', fn: GitRepository.ensure }
      { key: 'remote', fn: GitRemote.ensure }
    ]

  unfullfilledSteps: (opts) ->
    _.select @steps(), (obj) ->
      !opts[obj.key]

  run: (opts = {}) =>
    return opts if _.isEmpty(@unfullfilledSteps(opts))

    _.first(@unfullfilledSteps(opts)).fn(opts).then =>
      @run(opts)

  ensureNoWebsite: (data) ->
    Website.get().then (website) =>
      return unless website.exists

      @exists(website)

  exists: (website) ->
    Log.p "Hey there! This folder is already published to closeheat."
    Log.p "It is available at #{Color.violet("#{website.slug}.closeheatapp.com")}."
    Log.p "You can open it swiftly by typing #{Color.violet('closeheat open')}."
    Log.br()
    Log.p "It has a continuous deployment setup from GitHub at #{website.github_repo}"
    Log.br()
    Log.p "Push new changes to your GitHub repository and it will automatically rebuild."
    process.exit()

  success: (opts) ->
    slug = opts.slug
    repo = opts.repo
    # url = opts.url

    Log.p 'Success!'
    Log.p "Your website #{Color.violet("#{slug}.closeheatapp.com")} is now published."
    Log.br()
    Log.p "Every change to master branch on #{repo} in GitHub will be immediately published."
    Log.br()
    Log.p "The logs of each change are available with #{Color.violet('closeheat log')}."
    Log.p "It's useful to have them right after your push your changes like: #{Color.violet('git push origin master && closeheat log')}"
    process.exit()