MarketMultipleQueue.rb

load 'supermarket.rb'

class MarketMultipleQueue < Market
  attr_reader :cashiers, :queues

  def create_cashiers(number_of_cashiers)
    @cashiers = []
    @queues = []
    i = 0
    while i < number_of_cashiers
      temp_queue = Queue.new
      @queues << temp_queue
      @cashiers << Cashier.new(temp_queue)
      i += 1
    end
  end

  def put_new_clients_in_queue
    i = 0
    new_clients = receive_new_clients
    while i < new_clients.size
      cashier_with_shortest_line.line.receive_client new_clients.shift
    end
  end

  def cashier_with_shortest_line
    temporal_cashier = @cashiers[0]
    @cashiers.each do |c|
      if c.available? && c.line.number_of_clients.zero?
        return c
      end
      if temporal_cashier.line.number_of_clients > c.line.number_of_clients
        temporal_cashier = c
      end
    end
    temporal_cashier
  end

  def work
    @cashiers.each do |c|
      c.work
      c.line.count_wait_time_for_clients
    end
  end
end