=begin
This file can be used to (e.g.):
- alter certain inner parts of Gollum,
- extend it with your stuff.

It is especially useful for customizing supported formats/markups. For more information and examples:
- https://github.com/gollum/gollum#config-file

=end

module Gollum
   class Macro
      class ImmediatePages < Gollum::Macro
         def render(toc_root_path = nil, max_depth = 1, min_depth = 0)
            if toc_root_path == nil
               if @page.path == "Home.md"
                  toc_root_path = ""
               else
                  toc_root_path = @page.path.sub(/\.[a-z]+$/,'/')
               end
            end
            if toc_root_path.start_with?("/")
               toc_root_path[0] = ''
            end
            if toc_root_path != "" and not toc_root_path.end_with?("/")
               toc_root_path << '/'
            end
            if @wiki.pages.size > 0
               list_items = @wiki.pages.map do |page|
                  if @page.url_path != page.url_path and page.url_path.start_with?(toc_root_path)
                     path_display = page.url_path_display.sub(toc_root_path.gsub("-", " "), "").sub(/^\//,'')
                     depth = path_display.count("/")
                     if depth.to_i < max_depth.to_i and depth.to_i >= min_depth.to_i
                        "  <li><a href=\"/#{page.url_path}\">#{path_display}</a></li>"
                     end
                  end
               end
               result = "<ul>#{list_items.join}</ul>"
            end
            title = toc_root_path
			   "<div class=\"toc\"><div class=\"toc-title\">#{title}</div>#{result}</div>"
         end
      end
      class PathSegments < Gollum::Macro
         def render(append = "")
			   segments = @page.path.split('/')
			   segments = segments.first(segments.size - 1)
			   if append != ""
			   	segments << append
			   end
			   full = ""
			   list_items = segments.map do |segment|
			   	full = "#{full}/#{segment}"
			   	" / <a href=\"#{full}\">#{segment}</a>"
			   end
			   list_items.insert(0, " / <a href=\"/Home\">Home</a>")
			   list_items << " / <a id='last_segment' onload='load_segment();' href='#'></a>"
			   "<div>#{list_items.join}</div>"
         end
      end
	  class DropDown < Gollum::Macro
		 def render(summary, detail)
			"<details><summary>#{summary}</summary><div class=\"toc\">#{detail}</div></details"
		 end
	  end
	  class ImgDropDown < Gollum::Macro
		 def render(img_link, title = "Image")
			"<details><summary>#{title}</summary><div class=\"img-drop-down\"><img src=\"#{img_link}\"/></div></details"
		 end
	  end
   end
end