From 9679248691f3a5668686bdb81ec4a976d58fc269 Mon Sep 17 00:00:00 2001
From: mattbk <mattbk@users.noreply.github.com>
Date: Wed, 27 Sep 2023 20:43:01 -0500
Subject: [PATCH] Default to AP if wifi is inaccessible.

---
 src/main.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/main.cpp b/src/main.cpp
index bbeb011..c15d0c0 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -198,7 +198,8 @@ const char index_html[] PROGMEM = R"rawliteral(
     Existing Wireless Network Password: <input type="password" name="inputPassword" value = "%inputPassword%"><br>
     </p><p>
     Access Point: Connect to wireless network "vulpes" and point your browser to URL <a href="http://192.168.0.1">http://192.168.0.1</a> (http, not http<b>s</b>)<br>
-    Existing Network (advanced): Connect to the same existing network and use the proper IP address (useful if you have access to the router or a serial connection).
+    Existing Network (advanced): Connect to the same existing network and use the proper IP address (useful if you have access to the router or a serial connection).<br>
+    If an existing network can't be connected to, an access point will be set up.
     </p>
   <input type="submit" value="Submit and Reboot">
   </form>
@@ -406,10 +407,13 @@ void setup() {
     const char* password_char = yourInputPassword.c_str();
     WiFi.begin(ssid_char, password_char);
     if (WiFi.waitForConnectResult() != WL_CONNECTED) {
-      Serial.println("WiFi Failed!");
+      Serial.println("WiFi Failed! Setting up access point 'vulpes'...");
       // If you fail to connect, act as new access point
+      WiFi.disconnect(true);
       WiFi.softAPConfig(local_ip, gateway, subnet);
       WiFi.softAP(ssid_ap, password_ap);
+      // update the file so the webform is right
+      writeFile(SPIFFS, "/inputNetwork.txt", "0");
       //return;
     }
     Serial.print("IP Address: ");