-- No, not trying to parse HTML here. It's an illusion. Just trying to read RSS feeds.

--

-- Compose a textual representation of Atom payloads

module:hook("pubsub-summary/http://www.w3.org/2005/Atom", function (event)

	local payload = event.payload;

	local title = payload:get_child_text("title");

	local content_tag = payload:get_child("content") or payload:get_child("summary");

	local content = content_tag:get_text();

	if content_tag.attr.type == "html" then

		content = content:gsub("\n*<p[^>]*>\n*(.-)\n*</p>\n*", "%1\n\n");

		content = content:gsub("<li>(.-)</li>\n", "* %1\n");

		content = content:gsub("<a[^>]*href=[\"'](.-)[\"'][^>]*>(.-)</a>", "%2 <%1>");

		content = content:gsub("<b>(.-)</b>", "*%1*");

		content = content:gsub("<strong>(.-)</strong>", "*%1*");

		content = content:gsub("<em>(.-)</em>", "*%1*");

		content = content:gsub("<i>(.-)</i>", "*%1*");

		content = content:gsub("<img[^>]*src=[\"'](.-)[\"'][^>]*>", " %1 "); -- TODO alt= would have been nice to grab

		content = content:gsub("<br[^>]*>", "\n");

		content = content:gsub("<[^>]+>", "");

		content = content:gsub("^%s*", ""):gsub("%s*$", "");

		content = content:gsub("\n\n\n+", "\n\n");

		content = content:gsub("&(%w+);", {

				apos = "'";

				quot = '"';

				lt = "<";

				gt = ">";

				amp = "&";

				nbsp = utf8 and utf8.char(0xa0) or " ";

			});

	end

	local link = payload:get_child("link");

	local summary;

	if title and content then

		summary = title .. "\n\n" .. content;

	elseif title or content then

		summary = content or title;

	end

	if link and link.attr.href and link.attr.href ~= content then

		summary = (summary and summary .. "\n" or "") .. link.attr.href;

	end

	return summary;

end, 1);