module Magelex

# File lib/magelex.rb, line 13
def self.logger
  @logger ||= Logger.new STDERR
end

# File lib/magelex.rb, line 17
def self.logger= logger
  @logger = logger
end

# File lib/magelex.rb, line 21
def self.process_file in_file, out_file, options
  bills_export = []
  # Import/Read file.
  bills = Magelex::MagentoCSV.read in_file
  bills.each do |bill|
    if !bill.complete?
      Magelex.logger.info("Skip order #{bill.order_nr} (incomplete: #{bill.status})")
    else # complete!
      Magelex::BillModifier.process bill
      if !bill.check
        if bill.discount_7 != 0 || bill.discount_19 != 0
          Magelex.logger.info("#{bill.order_nr}: discounted")
        end
        Magelex.logger.info("Skip order #{bill.order_nr}#{bill.swiss? ? ' (swiss)' : ''} #{bill.has_problems ? ' (broken item)': '' }")
        Magelex.logger.info("  (totals do not match [#{bill.check_diff}] #{bill.total} != "\
                            "(0: #{bill.total_0} + 7: #{bill.total_7} "\
                            "+ 19: #{bill.total_19} "\
                            "= #{bill.total_0 + bill.total_7 + bill.total_19})")
      else
        if bill.swiss?
          Magelex.logger.info("#{bill.order_nr}: swiss")
        end
        if bill.discount_7 != 0 || bill.discount_19 != 0
          Magelex.logger.info("#{bill.order_nr}: discounted")
        end
        Magelex.logger.debug("Handle #{bill.order_nr}")
        bills_export << bill
      end
    end
  end

  # Fix dates via database.
  if !options[:skipdb]
    begin
      Magelex.logger.info("Fetching dates from magento mysql.")
      Magelex::MagentoMYSQL.update_dates YAML.load_file('magelex.conf'), bills_export
    rescue => e
      Magelex.logger.error("Could not connect to MySQL database, exiting.")
      Magelex.logger.error(e.inspect)
      exit 2
    end
  else
    Magelex.logger.debug("Skip fetching dates from magento mysql.")
  end

  # Export/Write to file
  if File.exist?(out_file)
    Magelex.logger.error("Output file #{out_file} exists already, exiting.")
    exit 3
  end
  Magelex.logger.info("Writing to #{out_file}")
  # TODO want STDOUT
  Magelex::LexwareCSV.write out_file, bills_export
end