jarmo/eventify

require File.expand_path("eventify/version", __dir__)
require File.expand_path("eventify/configuration", __dir__)
require File.expand_path("eventify/provider/base", __dir__)
require File.expand_path("eventify/provider/livenation", __dir__)
require File.expand_path("eventify/provider/piletilevi", __dir__)
require File.expand_path("eventify/provider/apollo_kino", __dir__)
require File.expand_path("eventify/database", __dir__)
require File.expand_path("eventify/mail", __dir__)

class Eventify
  attr_reader :configuration

  def initialize(configuration=Eventify::Configuration.new)
    @configuration = configuration
  end

  def all_events
    @all_events ||= providers.flat_map(&:fetch).uniq
  end

  def new_events
    @new_events ||= all_events.reject(&:exists?)
  end

  def process_new_events
    all_new_events = new_events
    return if all_new_events.empty?

    Eventify::Mail.deliver all_new_events, @configuration
    all_new_events.each(&:save)
  end

  attr_writer :providers

  def providers
    @providers ||= [
      Eventify::Provider::Piletilevi,
      Eventify::Provider::Livenation,
      Eventify::Provider::ApolloKino
    ]
  end
end