class HashDeepSearch

# File lib/hash_deep_search.rb, line 3
def initialize(hash)
  @hash = hash
end

# File lib/hash_deep_search.rb, line 7
def search(key_to_find)
  if @hash.has_key?(key_to_find)
    return {key_to_find => @hash[key_to_find]}
  else
    @hash.keys.each do |existing_key|
      case @hash[existing_key]
      when Hash
        search = HashDeepSearch.new(@hash[existing_key])
        result = search.search(key_to_find)
        return result if result.is_a?(Hash)
      when Array
        @hash[existing_key].each do |array_item|
          case array_item
          when Hash
            search = HashDeepSearch.new(array_item)
            result = search.search(key_to_find)
            return result if result.is_a?(Hash)
          else
            next
          end
        end
      else
        next
      end
    end
  end
end