require 'natural_language/log_entry_parsers/standard_parser'

class NumberDistanceParser < StandardParser

  def regex

    # matching "3 miles", "5k", etc
    /
          (   \d+ (?:\.\d+)?   )    # match integer or float
                  \s?               # optional whitespace
          #{DISTANCE_POSSIBLE}
    /ix

  end

  def handle_match(match_data, curr_log_entry)
      le = curr_log_entry

      unless le
        le = LogEntry.new
      end

      le.user_distance = match_data[1]
      if match_data[2].upcase.starts_with?("M")
        le.user_unit = UserUnit.find_by_ref("MILES")
      elsif match_data[2].upcase.starts_with?("K")
        le.user_unit = UserUnit.find_by_ref("KILO")
      end
      le
  end

end