module Voyager
  class Collection
    attr_reader :holdings, :holdings_status
    
    def initialize(args = {})
      @connection = args[:connection] || raise("Must pass a connection")
      @bibid = args[:bibid] || raise("Must pass a bibid")
      @bibid = @bibid.to_s
            
      parse_results
      
    end
    
    def to_hash(args = {})
      {
        statuses: @holdings_status.to_hash(args)
      }
    end
    
    private
    
    def parse_results
      results = @connection.results['retrieve_holdings'][@bibid]
     
      @holdings = results.reject { |r| r["MFHD_ID"].nil? }
      status = Status.new(holdings)
      
      @holdings_status = status.statuses

    end
    
  end
end