class Holidays::Definition::Repository::Regions

def add(regions)
  regions = [regions] unless regions.is_a?(Array)
  regions.each do |region|
    raise ArgumentError unless region.is_a?(Symbol)
  end
  @loaded_regions = @loaded_regions | regions
  @loaded_regions.uniq!
end

def all_generated
  @all_generated_regions
end

def all_loaded
  @loaded_regions
end

def initialize(all_generated_regions, parent_region_lookup)
  @loaded_regions = []
  @all_generated_regions = all_generated_regions
  @parent_region_lookup = parent_region_lookup
end

def loaded?(region)
  raise ArgumentError unless region.is_a?(Symbol)
  @loaded_regions.include?(region)
end

def parent_region_lookup(r)
  @parent_region_lookup[r]
end

def search(prefix)
  raise ArgumentError unless prefix.is_a?(Symbol)
  @loaded_regions.select { |region| region.to_s =~ Regexp.new("^#{prefix}") }
end