//worknotesFeed.belt -- build the news.rss.chat feed from the server and client worknotes -- 7/24/26 by CC
	//Each bold-led entry in the worknotes becomes an item; the category element says which side it came from.
	//The feed is written next to the docs sources, so it rides the same build that publishes the worknotes.

const theSources = [
	{category: "server", path: "/Users/davewiner/Claude/rssNetwork/docs/rss.chat/server/code/worknotes.md", urlPage: "https://github.com/scripting/rss.chat/blob/main/server/code/worknotes.md"},
	{category: "client", path: "/Users/davewiner/Claude/rssNetwork/docs/rss.chat/client/code/worknotes.md", urlPage: "https://github.com/scripting/rss.chat/blob/main/client/code/worknotes.md"}
	];
const urlFeedHome = "https://news.rss.chat/";
const urlFeedSelf = "https://news.rss.chat/worknotes/rss.xml";
const pathFeedFile = "/Users/davewiner/Claude/rssNetwork/misc/worknotesRss.xml"; //a build artifact, deliberately OUTSIDE docs/ -- the docs tree mirrors the repo, and the one place to subscribe is news.rss.chat

function parseWorknotes (filetext, theSource) { //returns an array of items, one per bold-led entry
	const theLines = filetext.split ("\n");
	const theItems = [];
	var currentWhen, currentItem;
	theLines.forEach (function (theLine) {
		if (theLine.indexOf ("####") === 0) { //a dated heading -- "#### 7/23/26; 7:30 PM ET by CC"
			var dateText = theLine.replace ("####", "").trim ();
			const ixBy = dateText.indexOf (" by ");
			if (ixBy > 0) {
				dateText = dateText.substring (0, ixBy);
				}
			const theParts = dateText.split (";");
			var parseText = theParts [0].trim (); //the date always comes first
			if ((theParts [1] !== undefined) && (/\d:\d\d/.test (theParts [1]))) { //take the second field only when it is a time -- the oldest entries carry a version number there ("4/14/26; v0.4.7"), which parsed as an Invalid Date and silently froze the sort (NaN compares as equal)
				parseText += " " + theParts [1].replace (" ET", "").trim ();
				}
			currentWhen = new Date (parseText); //this machine runs Eastern time, same as the timestamps
			currentItem = undefined;
			return;
			}
		if (theLine.indexOf ("**") === 0) { //a bold lead starts a new entry
			const ixEndBold = theLine.indexOf ("**", 2);
			var titleText = theLine.substring (2, ixEndBold).trim ();
			if (titleText.endsWith (".")) {
				titleText = titleText.substring (0, titleText.length - 1);
				}
			currentItem = {
				title: titleText,
				when: currentWhen,
				bodyText: theLine.substring (ixEndBold + 2).trim (),
				category: theSource.category,
				urlPage: theSource.urlPage
				};
			theItems.push (currentItem);
			return;
			}
		if (theLine.trim ().length > 0) {
			if (currentItem === undefined) { //an entry with no bold lead -- older format; titles are optional here, the item just has no title
				currentItem = {
					title: undefined,
					when: currentWhen,
					bodyText: theLine.trim (),
					category: theSource.category,
					urlPage: theSource.urlPage
					};
				theItems.push (currentItem);
				}
			else { //follow-on lines belong to the entry above
				currentItem.bodyText += "\n\n" + theLine;
				}
			}
		});
	return (theItems);
	}

function resolveRelativeLinks (htmltext, urlPage) { //worknotes carry repo-relative links -- point them at the github page's neighborhood
	return htmltext.replace (/href="([^"]+)"/g, function (wholeMatch, theHref) {
		if ((theHref.indexOf ("http://") === 0) || (theHref.indexOf ("https://") === 0) || (theHref.indexOf ("mailto:") === 0) || (theHref.indexOf ("#") === 0)) {
			return (wholeMatch);
			}
		const baseParts = urlPage.split ("/");
		baseParts.pop (); //drop the page's own filename
		var resolved = theHref;
		while (resolved.indexOf ("../") === 0) { //each ../ climbs one folder
			resolved = resolved.substring (3);
			baseParts.pop ();
			}
		return ('href="' + baseParts.join ("/") + "/" + resolved + '"');
		});
	}

function getGuid (theItem) { //stable across regenerations -- derived only from the entry itself
	const slugSource = (theItem.title !== undefined) ? theItem.title : theItem.bodyText;
	var slug = slugSource.toLowerCase ().replace (/[^a-z0-9]+/g, "-");
	if (slug.length > 60) {
		slug = slug.substring (0, 60);
		}
	return (urlFeedHome + theItem.category + "/" + theItem.when.getTime () + "/" + slug);
	}

var allItems = [];
for (var i = 0; i < theSources.length; i++) {
	const theSource = theSources [i];
	const filetext = file.readWholeFile (theSource.path);
	allItems = allItems.concat (parseWorknotes (filetext, theSource));
	}
allItems.sort (function (itemA, itemB) {
	return (itemB.when - itemA.when); //newest first
	});

const feedItems = [];
for (var i = 0; i < allItems.length; i++) {
	const theItem = allItems [i];
	var htmltext = plugins.markdown.process (theItem.bodyText);
	htmltext = resolveRelativeLinks (htmltext, theItem.urlPage);
	feedItems.push ({
		title: theItem.title,
		text: htmltext,
		when: theItem.when,
		link: theItem.urlPage,
		guid: {flPermalink: false, value: getGuid (theItem)},
		categories: [theItem.category]
		});
	}

const headElements = {
	title: "rss.chat worknotes",
	link: urlFeedHome,
	description: "Every improvement to rss.chat as it ships -- the worknotes from the server and the client, as a feed.",
	language: "en-us",
	generator: "worknotesFeed.belt",
	maxFeedItems: 100,
	urlSelf: urlFeedSelf,
	account: {service: "rss.chat", name: "claude"}, //the author -- find me there
	flRssCloudEnabled: true, //readers who speak rssCloud hear about updates in seconds
	rssCloudDomain: "rpc.rsscloud.io",
	rssCloudPort: 5337,
	rssCloudPath: "/pleaseNotify",
	rssCloudRegisterProcedure: "",
	rssCloudProtocol: "http-post"
	};

const xmltext = rss.buildRssFeed (headElements, feedItems);
file.sureFilePath (pathFeedFile);
file.writeWholeFile (pathFeedFile, xmltext);

sys.runUnixCommand ("scp -i ~/.ssh/claude_droplet " + pathFeedFile + " root@104.248.52.44:/root/marin/pagepark/domains/news.rss.chat/worknotes/rss.xml"); //publish to news.rss.chat, which lives on marin
sys.runUnixCommand ("scp -i ~/.ssh/claude_droplet /Users/davewiner/Claude/rssNetwork/belterScripts/worknotesFeed.belt root@104.248.52.44:/root/marin/pagepark/domains/news.rss.chat/worknotes/worknotesFeed.belt"); //the script publishes itself, so the current source is always next to the feed it made
http.post ("http://rpc.rsscloud.io:5337/ping", "url=" + encodeURIComponent (urlFeedSelf), {"Content-Type": "application/x-www-form-urlencoded"}); //tell the cloud the feed updated

var ctServer = 0, ctClient = 0;
allItems.forEach (function (theItem) {
	if (theItem.category === "server") {
		ctServer++;
		}
	else {
		ctClient++;
		}
	});
console.log ("worknotesFeed: " + feedItems.length + " items (" + ctServer + " server, " + ctClient + " client) -> " + pathFeedFile);