# frozen_string_literal: true require 'measured' module Physical class Cuboid attr_reader :dimensions, :length, :width, :height, :weight, :id, :properties def initialize(id: nil, dimensions: [], weight: Measured::Weight(0, :g), properties: {}) @id = id || SecureRandom.uuid @weight = Types::Weight[weight] @dimensions = [] @dimensions = fill_dimensions(Types::Dimensions[dimensions]) @length, @width, @height = *@dimensions @properties = properties end def volume Measured::Volume(dimensions.map { |d| d.convert_to(:cm).value }.reduce(1, &:*), :ml) end def density return Measured::Density(Float::INFINITY, :g_ml) if volume.value.zero? return Measured::Density(0.0, :g_ml) if volume.value.infinite? Measured::Density(weight.convert_to(:g).value / volume.convert_to(:ml).value, :g_ml) end def ==(other) id == other.id end private NORMALIZED_METHOD_REGEX = /(\w+)\??$/ def method_missing(method) symbolized_properties = properties.symbolize_keys method_name = normalize_method_name(method) if symbolized_properties.key?(method_name) symbolized_properties[method_name] else super end end def respond_to_missing?(method, *args) method_name = normalize_method_name(method) properties.symbolize_keys.key?(method_name) || super end def normalize_method_name(method) method.to_s.sub(NORMALIZED_METHOD_REGEX, '\1').to_sym end def fill_dimensions(dimensions) dimensions.fill(dimensions.length..2) do |index| @dimensions[index] || Measured::Length(self.class::DEFAULT_LENGTH, :cm) end end end end