class Lookbook::StylesExtractor

def call
  styles = extract_styles(content)
  rest = strip_styles(content)
  [styles, rest]
end

def extract_styles(text)
  css_parser = ::CssParser::Parser.new
  text.scan(STYLE_TAGS_REGEX).flatten.map(&:strip).each do |css|
    css_parser.load_string!(css.strip)
  end
  styles = []
  css_parser.each_selector do |selector, declarations, specificity|
    styles << "#{selector} { #{declarations} }"
  end
  styles
end

def initialize(content)
  @content = content.to_s
end

def strip_styles(text)
  text.gsub(STYLE_TAGS_REGEX, "").strip
end