# frozen_string_literal: true

module Worldwide
  class Units
    class << self
      def format(amount, unit, humanize: :short)
        supported_humanization = supported_humanizations[humanize.to_sym]
        raise ArgumentError, "Unsupported value for `humanize`: #{humanize}." unless supported_humanization

        measurement_key = measurement_keys[unit.to_sym]
        raise ArgumentError, "Unsupported value for `unit`: #{unit}." unless measurement_key

        Cldr.t("units.unit_length.#{supported_humanization}.#{measurement_key}", count: amount)
      end

      def supported_humanizations
        {
          short: :short,
          long: :long,
        }.freeze
      end

      def measurement_keys
        {
          millimeter: :length_millimeter,
          millimeters: :length_millimeter,
          centimeter: :length_centimeter,
          centimeters: :length_centimeter,
          foot: :length_foot,
          feet: :length_foot,
          inch: :length_inch,
          inches: :length_inch,
          meter: :length_meter,
          meters: :length_meter,
          gram: :mass_gram,
          grams: :mass_gram,
          kilogram: :mass_kilogram,
          kilograms: :mass_kilogram,
          ounce: :mass_ounce,
          ounces: :mass_ounce,
          pound: :mass_pound,
          pounds: :mass_pound,
          centiliter: :volume_centiliter,
          centiliters: :volume_centiliter,
          cubic_meter: :volume_cubic_meter,
          cubic_meters: :volume_cubic_meter,
          imperial_fluid_ounce: :volume_fluid_ounce_imperial,
          imperial_fluid_ounces: :volume_fluid_ounce_imperial,
          fluid_ounce: :volume_fluid_ounce,
          fluid_ounces: :volume_fluid_ounce,
          imperial_gallon: :volume_gallon_imperial,
          imperial_gallons: :volume_gallon_imperial,
          gallon: :volume_gallon,
          gallons: :volume_gallon,
          liter: :volume_liter,
          liters: :volume_liter,
          milliliter: :volume_milliliter,
          milliliters: :volume_milliliter,
          pint: :volume_pint,
          pints: :volume_pint,
          imperial_pint: :volume_pint_imperial,
          imperial_pints: :volume_pint_imperial,
          quart: :volume_quart,
          quarts: :volume_quart,
          imperial_quart: :volume_quart_imperial,
          imperial_quarts: :volume_quart_imperial,
          yard: :length_yard,
          yards: :length_yard,
        }.freeze
      end
    end
  end
end