ANis

# Hello World Program in Ruby
require 'uri'
require 'net/http'
require 'json'
require 'ostruct'

module Heroku
  module Addons
    class Addon
      attr_accessor :name

      def initialize(attrs)
        @name = attrs['name']
      end
    end

    class AddonPlan
      attr_accessor :description, :price, :unit

      def initialize(attrs)
        @description = attrs['description']
        @price = attrs['price']['cents'] / 100.0
        @unit = attrs['price']['unit']
      end

      def full_price
        "$#{'%.2f' % price}/#{unit}"
      end
    end

    class Client
      def initialize
        uri = URI.parse("https://api.heroku.com/")
        @http = Net::HTTP.new(uri.host, uri.port)
        @http.use_ssl = true if uri.scheme == 'https'
        @headers = {
          'Accept' => 'application/vnd.heroku+json; version=3'
        }
      end

      def request(path, headers={})
        response = @http.get(path, @headers.merge(headers))
        JSON.parse response.body
      end
    end

    @client = Client.new

    # Loads all the available addons from Heroku
    def self.all
      @client.request('/addon-services').map { |addon| Addon.new(addon) }
    end

    def self.plans(addon)
      @client.request("/addon-services/#{addon}/plans").map { |plan| AddonPlan.new(plan) }
    end
  end
end
#########################################################################################

addons = Heroku::Addons.all
addons.each do |addon|
  name = addon.name
  plans = Heroku::Addons.plans(name)
  
  puts name
  plans.sort_by(&:price).each do |plan|
    puts "  #{plan.description}: #{plan.full_price}"
  end
end