class Fanforce::AppFactory::CLI::Heroku
  include Fanforce::AppFactory::CLI::Utils

  attr_reader :app

  require_gem 'heroku-api', 'heroku-api'

  def initialize(app)
    @app = app
  end

  def heroku(environment)
    @heroku ||= {}
    @heroku[environment] ||= Heroku::API.new(:username => config[:heroku][environment][:user], :password => config[:heroku][environment][:password])
  rescue Exception => e
    #raise "Heroku user #{config[:heroku][environment][:user]} does not seem to exist: #{e.message}" if e.response.status == 404
    raise
  end

  def setup(environment)
    environment = environment.to_sym
    return puts "OOPS...  #{environment.to_s.upcase}".format(:red,:bold) + ' has not been setup for Heroku' if config[:heroku].blank? or config[:heroku][environment].blank?

    heroku = heroku(environment)
    heroku_app_name = app_name(environment)
    begin
      heroku.get_app(heroku_app_name)
      puts "#{'Found   '.format(:green,:bold)}" + "#{environment} app on heroku (#{heroku_app_name})"
    rescue
      heroku.post_app(name: heroku_app_name)
      puts "#{'Created '.format(:green,:bold)}" + "#{environment} on heroku (#{heroku_app_name})"
    end

    # Setup standard app domain
    domain = "#{app._id}.#{Fanforce::Base::DomainEnvironments.method(environment).call[:apps_base]}"
    domain_found = heroku.get_domains(heroku_app_name).body.inject(false) {|result, d| d['domain'] == domain ? (break true) : false }
    if domain_found
      puts "#{'Found   '.format(:green,:bold)}" + "#{domain} domain on #{environment}"
    else
      heroku.post_domain(heroku_app_name, domain)
      puts "#{'Added   '.format(:green,:bold)}" + "#{domain} domain to #{environment}"
    end

    # Setup default short domain
    domain = "#{app._id}.#{Fanforce::Base::DomainEnvironments.method(environment).call[:default_short_domain]}"
    domain_found = heroku.get_domains(heroku_app_name).body.inject(false) {|result, d| d['domain'] == domain ? (break true) : false }
    if domain_found
      puts "#{'Found   '.format(:green,:bold)}" + "#{domain} domain on #{environment}"
    else
      heroku.post_domain(heroku_app_name, domain)
      puts "#{'Added   '.format(:green,:bold)}" + "#{domain} domain to #{environment}"
    end

    remote_name = "#{env(environment)}-heroku"
    if (`git remote`).split(/\r?\n/).include?(remote_name)
      puts "#{'Updated '.format(:green,:bold)}" + "git remote for #{remote_name}"
      `git remote rm #{remote_name}`
    else
      puts "#{'Created '.format(:green,:bold)}" + "git remote for #{remote_name}"
    end
    `git remote add #{remote_name} git@#{config[:heroku][environment][:git_ssh_domain] || 'heroku.com'}:#{heroku_app_name}.git`
  end

  def update_config(environment, vars)
    heroku(environment).put_config_vars(app_name(environment), vars) if vars
  end

  def env(environment)
    case environment
      when :staging then env = :stg
      when :production then env = :prd
    end
  end

  def app_name(environment)
    environment = environment.to_sym
    raise 'unknown environment' if ![:production, :staging].include?(environment)

    heroku_app_name = "#{env(environment)}-#{app.dir_name}"
    heroku_app_name.length > 30 ? heroku_app_name.gsub!(/(a|e|i|o|u)/, '') : heroku_app_name
  end

end