module MuckEngineHelper

  def custom_form_for(record_or_name_or_array, *args, &proc) 
    options = args.detect { |argument| argument.is_a?(Hash) } 
    if options.nil? 
      options = {:builder => MuckCustomFormBuilder} 
      args << options 
    end 
    options[:builder] = MuckCustomFormBuilder unless options.nil? 
    form_for(record_or_name_or_array, *args, &proc) 
  end
  
  def custom_remote_form_for(record_or_name_or_array, *args, &proc) 
    options = args.detect { |argument| argument.is_a?(Hash) } 
    if options.nil? 
      options = {:builder => MuckCustomFormBuilder} 
      args << options 
    end 
    options[:builder] = MuckCustomFormBuilder unless options.nil? 
    remote_form_for(record_or_name_or_array, *args, &proc) 
  end
  
  def output_errors(title, options = {}, fields = nil)
    fields = [fields] unless fields.is_a?(Array)
    flash_html = render(:partial => 'shared/flash_messages')
    flash.clear
    field_errors = render(:partial => 'shared/field_error', :collection => fields)
    css_class = "class=\"#{options[:class]}\"" unless options[:class].nil?
    
    if !flash_html.empty? && field_errors.empty?
      # only flash.  Don't render the 
      render(:partial => 'shared/flash_error_box', :locals => {:flash_html => flash_html, :css_class => css_class})
    elsif !field_errors.empty?
      # field errors and/or flash
      render(:partial => 'shared/error_box', :locals => {:title => title, 
        :flash_html => flash_html, 
        :field_errors => field_errors,
        :css_class => css_class,
        :extra_html => options[:extra_html]})
    else
      #nothing
      ''
    end
  end
  
  def icon(object, size = :icon)
    return "" if object.blank? || object.photo.blank?
    link_to(image_tag(object.photo.url(size), :class => size), object, { :title => object.full_name })
  end
  
  def secure_mail_to(email)
    mail_to email, nil, :encode => 'javascript'
  end
  
  # Used inside of format.js to return a message to the client.
  # If jGrowl is enabled the message will show up as a growl instead of a popup
  def page_alert(page, message, title = '')
    if GlobalConfig.growl_enabled
      page << "jQuery.jGrowl.error('" + message + "', {header:'" + title + "'});"
    else
      page.alert(message)
    end
  end
  
end