# encoding: utf-8

require 'ffaker/unit'
require 'ostruct'

module Faker
  module UnitEnglish
    include Faker::Unit

    extend ModuleUtils
    extend self

    def mass_name
      mass.name
    end

    def mass_abbr
      mass.abbreviation
    end

    def length_name
      length.name
    end

    def length_abbr
      length.abbreviation
    end

    def liquid_name
      liquid.name
    end

    def liquid_abbr
      liquid.abbreviation
    end

    def volume_name
      volume.name
    end

    def volume_abbr
      volume.abbreviation
    end

    def area_name
      area.name
    end

    def area_abbr
      area.abbreviation
    end

    private

    def length
      OpenStruct.new LENGTH_UNITS.rand
    end

    def mass
      OpenStruct.new MASS_UNITS.rand
    end

    def liquid
      OpenStruct.new LIQUID_UNITS.rand
    end

    def volume
      OpenStruct.new VOLUME_UNITS.rand
    end

    def area
      OpenStruct.new AREA_UNITS.rand
    end

    LENGTH_UNITS = k [
      { :name =>"inch", :abbreviation => "in"},
      { :name =>"foot", :abbreviation => "ft"},
      {  :name =>"yard", :abbreviation => "yd"},
      { :name =>"furlong", :abbreviation => "fur"},
      { :name =>"mile", :abbreviation => "m"}
    ]

    MASS_UNITS = k [
      { :name => "grains", :abbreviation => "gr"},
      { :name => "ounces", :abbreviation => "oz"},
      { :name => "pounds", :abbreviation => "lb" },
      { :name => "hundredweight", :abbreviation => "cwt"},
      { :name => "ton", :abbreviation => "t" }
    ]

    LIQUID_UNITS = k [
      { :name => "fluid ounce", :abbreviation => "fl oz"},
      { :name => "gill", :abbreviation => "gi"},
      { :name => "pint", :abbreviation => "pt"},
      { :name => "quart", :abbreviation => "qt"}
    ]

    VOLUME_UNITS = k [
      { :name =>"cubic inch", :abbreviation => "CI"},
      { :name =>"cubic foot", :abbreviation => "CFT"},
      { :name =>"cubic yard", :abbreviation => "CY"}
    ]

    AREA_UNITS = k [
      { :name =>"square inch", :abbreviation => "sq. in"},
      { :name =>"square foot", :abbreviation => "sq ft"},
      { :name =>"square yard", :abbreviation => "sq yd"},
      { :name =>"acre", :abbreviation => "ac"},
      { :name =>"section", :abbreviation => "s"},
      { :name =>"square mile", :abbreviation => "sq mi"},
      { :name =>"township", :abbreviation => "Twp"}
    ]
  end
end