From efa9a73caead979a0667783f88a7538af61f5ecc Mon Sep 17 00:00:00 2001
From: Fabian Schlenz <mail@fabianonline.de>
Date: Fri, 11 Oct 2019 17:57:00 +0200
Subject: [PATCH] Added switching of effects via the web interface.

---
 src/http_server.cpp | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/src/http_server.cpp b/src/http_server.cpp
index e48fbd2..a5d872b 100644
--- a/src/http_server.cpp
+++ b/src/http_server.cpp
@@ -63,7 +63,7 @@ void http_server_setup() {
 			Setting s = all_settings[i];
 			uint16_t default_value = setting_default(&s);
 			uint16_t value = *(s.value);
-			
+
 			message += "<tr><td>";
 			if (default_value != value) {
 				message += "<strong>";
@@ -155,11 +155,30 @@ void http_server_setup() {
 		for (int i=0; i<effects_size; i++) {
 			message += "<tr><td>";
 			message += effects[i].name;
-			message += "</td></tr>";
+			message += "</td><td><form method='post' action='/effects'><input type='hidden' name='name' value='";
+			message += effects[i].name;
+			message += "'><input type='hidden' name='redir' value='1'><input type='submit' value='Select'></form></td></tr>";
 		}
 		message += "</table></body></html>";
 		http_server.send(200, "text/html", message);
 	});
+	http_server.on("/effects", HTTP_POST, [&]() {
+		if (!http_server.hasArg("name")) {
+			http_server.send(400, "text/plain", "Missing argument 'name'.");
+			return;
+		}
+		String name = http_server.arg("name");
+		if (change_current_effect(name)) {
+			if (http_server.hasArg("redir")) {
+				http_server.sendHeader("Location", "/effects");
+				http_server.send(301);
+			} else {
+				http_server.send(200, "text/plain", "OK");
+			}
+		} else {
+			http_server.send(404, "text/plain", "Effect not found.");
+		}
+	});
 	http_server.on("/delete", HTTP_GET, [&]() {
 		LOGln("HTTP * GET /delete");
 		if (http_server.args()==0) {