From e459b53472db2003ea037451dd88432b4ab897cd Mon Sep 17 00:00:00 2001
From: Manuel Weiser <manuel.weiser@me.com>
Date: Thu, 27 Mar 2025 18:01:15 +0100
Subject: [PATCH] feat: add functionality to remove Bambu credentials and
 update API handling

---
 html/spoolman.html | 21 +++++++++++++++++++++
 src/bambu.cpp      | 26 ++++++++++++++++++++++++++
 src/bambu.h        |  1 +
 src/commonFS.cpp   | 14 ++++++++++++++
 src/commonFS.h     |  1 +
 src/website.cpp    |  9 +++++++++
 6 files changed, 72 insertions(+)

diff --git a/html/spoolman.html b/html/spoolman.html
index 1b615f7..a961874 100644
--- a/html/spoolman.html
+++ b/html/spoolman.html
@@ -57,6 +57,26 @@
             toggleOctoFields();
         };
 
+        function removeBambuCredentials() {
+            fetch('/api/bambu?remove=true')
+                .then(response => response.json())
+                .then(data => {
+                    if (data.success) {
+                        document.getElementById('bambuIp').value = '';
+                        document.getElementById('bambuSerial').value = '';
+                        document.getElementById('bambuCode').value = '';
+                        document.getElementById('autoSend').checked = false;
+                        document.getElementById('autoSendTime').value = '';
+                        document.getElementById('bambuStatusMessage').innerText = 'Bambu Credentials removed!';
+                    } else {
+                        document.getElementById('bambuStatusMessage').innerText = 'Error while removing Bambu Credentials.';
+                    }
+                })
+                .catch(error => {
+                    document.getElementById('bambuStatusMessage').innerText = 'Error while removing: ' + error.message;
+                });
+        }
+
         function checkSpoolmanInstance() {
             const url = document.getElementById('spoolmanUrl').value;
             const spoolmanOctoEnabled = document.getElementById('spoolmanOctoEnabled').checked;
@@ -162,6 +182,7 @@
                     </div>
 
                     <button style="margin: 0;" onclick="saveBambuCredentials()">Save Bambu Credentials</button>
+                    <button style="margin: 0;" onclick="removeBambuCredentials()">Remove Bambu Credentials</button>
                     <p id="bambuStatusMessage"></p>
                 </div>
             </div>
diff --git a/src/bambu.cpp b/src/bambu.cpp
index 56325a1..818f92d 100644
--- a/src/bambu.cpp
+++ b/src/bambu.cpp
@@ -38,6 +38,32 @@ int ams_count = 0;
 String amsJsonData;  // Speichert das fertige JSON für WebSocket-Clients
 AMSData ams_data[MAX_AMS];  // Definition des Arrays;
 
+bool removeBambuCredentials() {
+    if (BambuMqttTask) {
+        vTaskDelete(BambuMqttTask);
+    }
+    
+    if (!removeJsonValue("/bambu_credentials.json")) {
+        Serial.println("Fehler beim Löschen der Bambu-Credentials.");
+        return false;
+    }
+    // Löschen der globalen Variablen
+    g_bambu_ip = "";
+    g_bambu_accesscode = "";
+    g_bambu_serialnr = "";
+    bambu_ip = nullptr;
+    bambu_accesscode = nullptr;
+    bambu_serialnr = nullptr;
+    autoSendToBambu = false;
+    autoSetToBambuSpoolId = 0;
+    ams_count = 0;
+    amsJsonData = "";
+
+    bambuDisabled = true;
+
+    return true;
+}
+
 bool saveBambuCredentials(const String& ip, const String& serialnr, const String& accesscode, bool autoSend, const String& autoSendTime) {
     if (BambuMqttTask) {
         vTaskDelete(BambuMqttTask);
diff --git a/src/bambu.h b/src/bambu.h
index 1e8de4e..aef6c3b 100644
--- a/src/bambu.h
+++ b/src/bambu.h
@@ -32,6 +32,7 @@ extern bool autoSendToBambu;
 extern int autoSetToBambuSpoolId;
 extern bool bambuDisabled;
 
+bool removeBambuCredentials();
 bool loadBambuCredentials();
 bool saveBambuCredentials(const String& bambu_ip, const String& bambu_serialnr, const String& bambu_accesscode, const bool autoSend, const String& autoSendTime);
 bool setupMqtt();
diff --git a/src/commonFS.cpp b/src/commonFS.cpp
index 7940b22..b58f68d 100644
--- a/src/commonFS.cpp
+++ b/src/commonFS.cpp
@@ -1,6 +1,20 @@
 #include "commonFS.h"
 #include <LittleFS.h>
 
+bool removeJsonValue(const char* filename) {
+    File file = LittleFS.open(filename, "r");
+    if (!file) {
+        return true;
+    }
+    file.close();
+    if (!LittleFS.remove(filename)) {
+        Serial.print("Fehler beim Löschen der Datei: ");
+        Serial.println(filename);
+        return false;
+    }
+    return true;
+}
+
 bool saveJsonValue(const char* filename, const JsonDocument& doc) {
     File file = LittleFS.open(filename, "w");
     if (!file) {
diff --git a/src/commonFS.h b/src/commonFS.h
index d46b1e5..6cc2725 100644
--- a/src/commonFS.h
+++ b/src/commonFS.h
@@ -5,6 +5,7 @@
 #include <ArduinoJson.h>
 #include <LittleFS.h>
 
+bool removeJsonValue(const char* filename);
 bool saveJsonValue(const char* filename, const JsonDocument& doc);
 bool loadJsonValue(const char* filename, JsonDocument& doc);
 void initializeFileSystem();
diff --git a/src/website.cpp b/src/website.cpp
index a49bdf8..18ac882 100644
--- a/src/website.cpp
+++ b/src/website.cpp
@@ -313,6 +313,15 @@ void setupWebserver(AsyncWebServer &server) {
 
     // Route für das Überprüfen der Bambu-Instanz
     server.on("/api/bambu", HTTP_GET, [](AsyncWebServerRequest *request){
+        if (request->hasParam("remove")) {
+            if (removeBambuCredentials()) {
+                request->send(200, "application/json", "{\"success\": true}");
+            } else {
+                request->send(500, "application/json", "{\"success\": false, \"error\": \"Fehler beim Löschen der Bambu-Credentials\"}");
+            }
+            return;
+        }
+
         if (!request->hasParam("bambu_ip") || !request->hasParam("bambu_serialnr") || !request->hasParam("bambu_accesscode")) {
             request->send(400, "application/json", "{\"success\": false, \"error\": \"Missing parameter\"}");
             return;