Add index image results, improve routes

index.js

@@ -22,23 +22,29 @@ async function getResults(query) {
 		});
 }
 
-app.get("/random/:query*.jpg", (request, response) => {
+app.get(["/random/:query*.jpg" /* legacy routing */, "/:query/random.jpg", "/:query/random"], (request, response) => {
 	getResults(request.params.query).then(results => {
 		response.redirect(results[Math.floor(Math.random() * results.length)]);
 	});
 });
 
-app.get("/:query*.jpg", (request, response) => {
+app.get("/:query/list", (request, response) => {
+	response.writeHead(200, { "Content-Type": "application/json" });
 	getResults(request.params.query).then(results => {
-		response.redirect(results[0]);
+		response.write(JSON.stringify(results));
+		response.end();
 	});
 });
 
-app.get("/:query", (request, response) => {
+app.get(["/:query/:i.jpg", "/:query/:i"], (request, response) => {
-	response.writeHead(200, { "Content-Type": "application/json" });
 	getResults(request.params.query).then(results => {
-		response.write(JSON.stringify(results));
+		response.redirect(results[request.params.i % results.length]);
-		response.end();
+	});
+});
+
+app.get(["/:query.jpg", "/:query"], (request, response) => {
+	getResults(request.params.query).then(results => {
+		response.redirect(results[0]);
 	});
 });