From fd17e92404db67ec32ac0a46bda9ce5adf3f73de Mon Sep 17 00:00:00 2001
From: Carsten Graf <reptil@hotmail.de>
Date: Thu, 5 Jun 2025 17:38:34 +0200
Subject: [PATCH] mDNS und wifi stuff

---
 data/settings.html    | 79 +++++++++++++++++++++++++++++++++++++++++--
 src/webserverrouter.h | 40 ++++++++++++++++++++++
 src/wificlass.h       | 10 ++++--
 3 files changed, 125 insertions(+), 4 deletions(-)
diff --git a/data/settings.html b/data/settings.html
index 71e8c50..da976ac 100644
--- a/data/settings.html
+++ b/data/settings.html
@@ -1,4 +1,3 @@
-
 <!DOCTYPE html>
 <html lang="de">
   <head>
@@ -135,6 +134,36 @@
           </div>
         </div>
 
+        <div class="section" d="wifiSection" style="display: none;">
+          <h2>📡 WLAN-Konfiguration</h2>
+          <form id="wifiForm">
+            <div class="form-group">
+              <label for="wifi-ssid">WLAN Name (SSID):</label>
+              <input
+                type="text"
+                id="wifi-ssid"
+                name="ssid"
+                placeholder="WLAN-Name eingeben"
+                required
+              />
+            </div>
+            <div class="form-group">
+              <label for="wifi-password">WLAN Passwort:</label>
+              <input
+                type="password"
+                id="wifi-password"
+                name="password"
+                placeholder="WLAN-Passwort eingeben"
+              />
+            </div>
+            <div class="button-group">
+              <button type="submit" class="btn btn-primary">
+                💾 WLAN-Einstellungen speichern
+              </button>
+            </div>
+          </form>
+        </div>
+
         <div class="section">
           <h2>🔄 OTA Update</h2>
           <div id="otaRestrictionNotice" class="restriction-notice" style="display: none;">
@@ -205,7 +234,8 @@
         loadSystemInfo();
         loadCurrentTime();
         updateCurrentTimeDisplay();
-        loadLicence()
+        loadLicence();
+        loadWifiSettings();
       };
 
       // Aktuelle Zeit anzeigen (Live-Update)
@@ -423,6 +453,51 @@
           .catch((error) => showMessage("Verbindungsfehler", "error"));
       }
 
+      // WLAN-Einstellungen laden
+      function loadWifiSettings() {
+        fetch("/api/get-wifi")
+          .then(response => response.json())
+          .then(data => {
+            document.getElementById("wifi-ssid").value = data.ssid || "";
+            document.getElementById("wifi-password").value = data.password || "";
+          })
+          .catch(error => showMessage("Fehler beim Laden der WLAN-Einstellungen", "error"));
+      }
+
+      // WLAN-Einstellungen beim Laden der Seite abrufen
+      window.addEventListener('load', loadWifiSettings);
+
+      // WLAN-Formular Handler
+      document.getElementById("wifiForm").addEventListener("submit", function(e) {
+        e.preventDefault();
+        
+        const ssid = document.getElementById("wifi-ssid").value;
+        const password = document.getElementById("wifi-password").value;
+        
+        if (!ssid) {
+          showMessage("Bitte WLAN-Namen eingeben", "error");
+          return;
+        }
+        
+        fetch("/api/set-wifi", {
+          method: "POST",
+          headers: {
+            "Content-Type": "application/x-www-form-urlencoded",
+          },
+          body: `ssid=${encodeURIComponent(ssid)}&password=${encodeURIComponent(password)}`,
+        })
+          .then(response => response.json())
+          .then(data => {
+            if (data.success) {
+              showMessage("WLAN-Einstellungen erfolgreich gespeichert!", "success");
+            } else {
+              showMessage(data.error || "Fehler beim Speichern der WLAN-Einstellungen", "error");
+            }
+          })
+          .catch(error => showMessage("Verbindungsfehler", "error"));
+      });
+
+
       // Update OTA button access based on license level
       function updateOTAButtonAccess(licenseLevel) {
         const otaButton = document.getElementById("otaUpdateBtn");
diff --git a/src/webserverrouter.h b/src/webserverrouter.h
index bda2ed9..e273193 100644
--- a/src/webserverrouter.h
+++ b/src/webserverrouter.h
@@ -161,6 +161,46 @@ void setupRoutes(){
     request->send(200, "application/json", result);
 });
 
+  // Setze WLAN-Name und Passwort (POST)
+  server.on("/api/set-wifi", HTTP_POST, [](AsyncWebServerRequest *request){
+    Serial.println("/api/set-wifi called");
+    String ssid, password;
+    if (request->hasParam("ssid", true)) {
+      ssid = request->getParam("ssid", true)->value();
+    }
+    if (request->hasParam("password", true)) {
+      password = request->getParam("password", true)->value();
+    }
+    if (ssid.length() > 0) {
+      // Hier speichern wir die neuen Werte (z.B. in Preferences oder global)
+      // Beispiel: strcpy(ssidSTA, ssid.c_str());
+      // Beispiel: strcpy(passwordSTA, password.c_str());
+      // In deinem Projekt ggf. persistent speichern!
+      // Hier als global (unsicher, nach Neustart verloren!):
+      ssidSTA = strdup(ssid.c_str());
+      passwordSTA = strdup(password.c_str());
+      // Rückmeldung
+      DynamicJsonDocument doc(64);
+      doc["success"] = true;
+      String result;
+      serializeJson(doc, result);
+      request->send(200, "application/json", result);
+      Serial.println("WiFi-Settings updated (nur bis zum Neustart aktiv!)");
+    } else {
+      request->send(400, "application/json", "{\"success\":false,\"error\":\"SSID fehlt\"}");
+    }
+  });
+
+  // Liefert aktuelle WLAN-Einstellungen (GET)
+  server.on("/api/get-wifi", HTTP_GET, [](AsyncWebServerRequest *request){
+    DynamicJsonDocument doc(128);
+    doc["ssid"] = ssidSTA ? ssidSTA : "";
+    doc["password"] = passwordSTA ? passwordSTA : "";
+    String result;
+    serializeJson(doc, result);
+    request->send(200, "application/json", result);
+  });
+
 // Statische Dateien
   server.serveStatic("/", SPIFFS, "/");
   server.begin();
diff --git a/src/wificlass.h b/src/wificlass.h
index b40c5c5..3f0967a 100644
--- a/src/wificlass.h
+++ b/src/wificlass.h
@@ -4,6 +4,7 @@
 #include <PrettyOTA.h>
 #include <esp_now.h>
 #include <WiFi.h>
+#include <ESPmDNS.h> // <-- mDNS hinzufügen
 
 #include "master.h"
 #include "licenceing.h"
@@ -36,7 +37,13 @@ void setupWifi() {
     Serial.print("IP Adresse: ");
     Serial.println(WiFi.softAPIP());
     Serial.println("PrettyOTA can be accessed at: http://" + WiFi.softAPIP().toString() + "/update");
-  
+
+    // mDNS starten
+    if (MDNS.begin("aquacross-timer")) { // z.B. http://aquacross-timer.local/
+        Serial.println("mDNS responder gestartet: http://aquacross-timer.local/");
+    } else {
+        Serial.println("Fehler beim Starten von mDNS!");
+    }
 }
 
 void setupOTA(AsyncWebServer *server) {
@@ -56,4 +63,3 @@ void setupOTA(AsyncWebServer *server) {
 
 
 // WiFi als Access Point
-   
\ No newline at end of file
