module Capybara
  def self.string(html)
    StringNode.new(Nokogiri::HTML(html))
  end

  class StringNode
    include Capybara::Node::Finders
    include Capybara::Node::Matchers

    attr_reader :native

    def initialize(native)
      @native = native
    end

    def text
      native.text
    end

    def [](name)
      attr_name = name.to_s
      if attr_name == 'value'
        value
      elsif 'input' == tag_name and 'checkbox' == native[:type] and 'checked' == attr_name
        native['checked'] == 'checked'
      else
        native[attr_name]
      end
    end

    def tag_name
      native.node_name
    end

    def path
      native.path
    end

    def value
      if tag_name == 'textarea'
        native.content
      elsif tag_name == 'select'
        if native['multiple'] == 'multiple'
          native.xpath(".//option[@selected='selected']").map { |option| option[:value] || option.content  }
        else
          option = native.xpath(".//option[@selected='selected']").first || native.xpath(".//option").first
          option[:value] || option.content if option
        end
      else
        native[:value]
      end
    end

    def visible?
      native.xpath("./ancestor-or-self::*[contains(@style, 'display:none') or contains(@style, 'display: none')]").size == 0
    end

  protected

    def find_in_base(xpath)
      native.xpath(xpath).map { |node| StringNode.new(node) }
    end

    def convert_elements(elements)
      elements
    end

    def wait?
      false
    end
  end
end