# frozen_string_literal: true

require_relative '../log/loggable'
require_relative 'errors'
require_relative 'publish_schedule'
require_relative 'process_schedule'
require_relative 'fetch_schedule'

module SchedulePipeline
  # Schedule Processing Pipeline
  class SchedulePipeline
    include Log::Loggable

    def initialize(queue_factory)
      errors = Errors.new
      processed_schedules_queue = queue_factory.for_name(:processed_schedules)
      publish_schedule = PublishSchedule.new(processed_schedules_queue, errors)
      unprocessed_schedules_queue = queue_factory.for_name(:unprocessed_schedules)
      process_schedule = ProcessSchedule.new(unprocessed_schedules_queue, processed_schedules_queue, errors)
      fetch_schedule_queue = queue_factory.for_name(:fetch_vendor_schedules)
      fetch_schedule = FetchSchedule.new(fetch_schedule_queue, unprocessed_schedules_queue, errors)
      @queues = [processed_schedules_queue, unprocessed_schedules_queue, fetch_schedule_queue]
      @stages = [publish_schedule, process_schedule, fetch_schedule]
    end

    def start
      stages.each(&:start)
      logger.info "Started Schedule Pipeline"
    end

    def stop
      stages.reverse_each(&:stop)
    end

  private
    def stages
      @stages
    end

    def queues
      @queues
    end
  end
end