# -*- encoding : utf-8 -*-
module FriendsAjaxHelper
  #== Rails 2.3 to 3 Fallbacks
  def remote_function(options)
    javascript_tag("remote_function('#{url_for(options[:url])}', '#{options[:update]}', true)")  
  end
  
  #{ options[:with] ? options[:with]+"&" : '' } + " +
  
  def remote_form_for(obj, options, &proc)
    options[:html] ||= {}
    html = {:remote => true}.merge!(options[:html])
    
    opts_all = {:url => options[:url], :html => options[:html]}
    
    form_for(obj, opts_all, &proc)
  end 
  
  #== New and shiny polished Rails 3.2 Ajax Helper Functions
  
  # Default Ajax Link for Links
  def default_ajax_link(options ={})
    link_data = {:remote => true}
    
    
    options[:class] ||= ""
    options[:class] << " #{AJAX_DEFAULT_LINK} #{AJAX_NOT_LOADED}"

    options[:class] << " #{AJAX_UPDATE_DIV_SELECTOR}#{options[:update]}" if options[:update] 
    
    options[:class] << " #{AJAX_TINY_LOAD_TRIGGER}" if options[:tiny_loader] == true
    
    if options[:submit]
      link_data.merge!(AJAX_SUBMIT_DATA_TRIGGER => options[:submit])
    end  
    
    # Callbacks/JS
    if options[:callback]
      link_data.merge!(HTML_DATA_CALLBACK => options[:callback])
    end  
    
    if options[:append] == true
      link_data.merge!(HTML_DATA_APPEND => true)
    end  
    
    # Confirm-Message setzen: Entweder default, oder eigene Nachricht
    if options[:confirm]
      if options[:confirm] = true
        link_data.merge!(:confirm => HTML_CONFIRM_DEFAULT.to_s)
      else
        link_data.merge(:confirm => options[:confirm])
      end    
    end  
    
    
      if options[:push_progress] == true
        options[:load_message] = false
        options[:class] << " #{AJAX_PUSH_PROGRESS_TRIGGER}"
      end  
      
      
      # Load-Message setzen: Entweder default oder eigene Nachricht
      if options[:load_message] && (options[:load_message] != false && !options[:load_message].blank?)
        options[:class] << " #{AJAX_LOAD_MESSAGE_TRIGGER}"
        if options[:load_message].is_a?(String)
          link_data.merge!(HTML_DATA_LOADING.to_s => options[:load_message])
        end    
      elsif options[:load_message] == false
        options[:class]   << " #{AJAX_HIDE_LOAD_MESSAGE_SELECTOR}"
      end  
    
    link_data.merge!(:class => options[:class])
    link_data.merge!(:id    => options[:id])
    link_data.merge!(:title => options[:title])
    link_data.merge!(:style => options[:style])
    
    return link_data
  end  
  
  # 
  def select_onchange_data(options ={})
    link_data = {}
    
    
    options[:class] ||= ""

    options[:class] << " #{FORM_SELECT_CHANGE_SELECTOR} #{AJAX_NOT_LOADED}"
    
    options[:class] << " #{AJAX_UPDATE_DIV_SELECTOR}#{options[:update]}" if options[:update] 

    options[:class] << " #{AJAX_TINY_LOAD_TRIGGER}" if options[:tiny_loader] == true
    
    if options[:submit]
      link_data.merge!(AJAX_SUBMIT_DATA_TRIGGER => options[:submit])
    end
    
    options[:with] ||= :id  
    if options[:with]  
      options[:url].merge!(options[:with] => HTML_URL_VALUE_PLACEHOLDER)
    end  
    
    if options[:url]
      link_data.merge!(HTML_DATA_TARGET_URL.to_s => url_for(options[:url]))
    end
    
     # Confirm-Message setzen: Entweder default, oder eigene Nachricht
      if options[:confirm]
        if options[:confirm] = true
          link_data.merge!(:confirm => HTML_CONFIRM_DEFAULT.to_s)
        else
          link_data.merge(:confirm => options[:confirm])
        end    
      end  

      # Load-Message setzen: Entweder default oder eigene Nachricht
      if options[:load_message] && (options[:load_message] != false && !options[:load_message].blank?)
        options[:class] << " #{AJAX_LOAD_MESSAGE_TRIGGER}"
        if options[:load_message].is_a?(String)
          link_data.merge!(HTML_DATA_LOADING.to_s => options[:load_message])
        end    
      elsif options[:load_message] == false
        options[:class]   << " #{AJAX_HIDE_LOAD_MESSAGE_SELECTOR}"
      end
    
    link_data.merge!(:class => options[:class])
    link_data.merge!(:id    => options[:id])
    link_data.merge!(:disabled => options[:disabled])
    
    return link_data
  end
  
  
  
  # Creates a box that slides down and up to show/hide the content. 
  # * Use ':open => true' to set the box open by default
  # * Use ':default_class => "className"' to set the class used for the header
  def slide_down_box(title, options = {:open => false}, &block)
    options[:default_class] ||= "icon-arrow-right"
    options[:type]        ||= :div
    
    
    box_session_id = Digest::SHA1.hexdigest("#{params[:action]}-#{title}")
    
    open = options[:open] #|| (session[:slidedown_boxes_open].include?(box_session_id) rescue false)
    
    concat raw("<div class='js-slide-down-box  plain #{'open' if open} #{options[:box_class]} #{options[:class]}' data-session-id='#{box_session_id}'>
          <#{options[:type]} class='#{options[:default_class]} js-slidedown-button'>
            #{title}
          </#{options[:type]}>
          <div class='js-slidedown-content'>") 
    yield
    concat raw("</div></div>")  
  end
  
  def pop_out_box(title, options = {:open => false}, &block)
    options[:default_class] ||= "icon-arrow-right"
    options[:type]        ||= :div
    
    
    box_session_id = Digest::SHA1.hexdigest("#{params[:action]}-#{title}")
    
    open = options[:open] || (session[:slidedown_boxes_open].include?(box_session_id) rescue false)
    
    concat raw("<div class='js-pop-out-box plain #{'open' if open} #{options[:box_class]} #{options[:class]}' data-session-id='#{box_session_id}'>
          <#{options[:type]} class='#{options[:default_class]} js-pop-out-button'>
            #{title}
          </#{options[:type]}>
          <div class='js-pop-out-content box rounded'>") 
    yield
    concat raw("</div></div>")  
  end
  
  def init_slidedown
    raw("<script type='text/javascript'>init_slidedown();</script>")
  end
end