module RedboxHelper
  
  def link_to_redbox(name, id, html_options = {})
    link_to_function name, "RedBox.showInline('#{id.to_s}')", html_options
  end
  
  def link_to_component_redbox(name, url_options = {}, html_options = {})
    id = id_from_url(url_options)
    link_to_redbox(name, id, html_options) + content_tag("span", render_component(url_options), :id => id, :style => 'display: none;')
  end
  
  def link_to_remote_redbox(name, link_to_remote_options = {}, html_options = {})
    id = id_from_url(link_to_remote_options[:url])
    hidden_content_id = "hidden_content_#{id}"
    link_to_remote_options = redbox_remote_options(link_to_remote_options, hidden_content_id)
    
    return build_hidden_content(hidden_content_id) + link_to_remote(name, link_to_remote_options, html_options)
  end
  
  def link_to_close_redbox(name, html_options = {})
    link_to_function name, 'RedBox.close()', html_options
  end
  
  def button_to_close_redbox(name, html_options = {})
    button_to_function name, 'RedBox.close()', html_options
  end  
  
  def launch_remote_redbox(link_to_remote_options = {})
    id = id_from_url(link_to_remote_options[:url])
    hidden_content_id = "hidden_content_#{id}"
    hidden_content = build_hidden_content(hidden_content_id)
    link_to_remote_options = redbox_remote_options(link_to_remote_options, hidden_content_id)

    return build_hidden_content(hidden_content_id) + javascript_tag(remote_function(link_to_remote_options))
  end
  
private

  def id_from_url(url_options)
    if url_options.is_a? String
      url_options.delete ":/"
    else
      url_options.values.join '_'
    end
  end

  def build_hidden_content(hidden_content_id)
    content_tag("div", '', :id => hidden_content_id, :style => 'display: none;')
  end
  
  def redbox_remote_options(remote_options, hidden_content_id)
    remote_options[:update] = hidden_content_id
    remote_options[:loading] = "RedBox.loading(); " + remote_options[:loading].to_s
    remote_options[:complete] = "RedBox.addHiddenContent('#{hidden_content_id}'); " + remote_options[:complete].to_s
    remote_options
  end
  
  
end