class ClearingNumbers

# File lib/clearingnumbers.rb, line 19
def self.bank_names
  banks.map { |bank_object| bank_object["name"] }
end

# File lib/clearingnumbers.rb, line 28
def self.banks
  YAML.load_file File.join(File.dirname(__FILE__),"banks.yml")
end

# File lib/clearingnumbers.rb, line 23
def self.clearing_numbers_for_bank(bank_name)
  bank_arr = banks.select { |bank| bank["name"] == bank_name }
  bank_arr.any? ? bank_arr.first["ranges"] : []
end

# File lib/clearingnumbers.rb, line 4
def self.get_bank_name_from_clearing(clearing_number)
  banks.each do |bank|
    bank["ranges"].each do |range|
      min = range["min"].to_s
      max = range["max"].to_s

      if min === clearing_number.to_s || max === clearing_number.to_s || (clearing_number.to_i > range["min"].to_i && clearing_number.to_i < range["max"].to_i)
        return bank["name"]
      end
    end
  end

  nil
end