feat(dev): API zum Umschalten der TDR-Aktivierung in Mock-Datei eingebunden

- Neuer Endpunkt: /api/cpl/updateTdrSettingsDataAPIHandler
- Aktualisiert win_tdrActive[slot] in Mockdatei
- Entwicklung vollständig ohne Hardware möglich

pages/api/cpl/updateTdrSettingsDataAPIHandler.ts

@@ -0,0 +1,46 @@
+// /pages/api/cpl/updateTdrSettingsDataAPIHandler.ts
+
+import path from "path";
+import fs from "fs/promises";
+
+export default async function handler(req, res) {
+  const { slot, value } = req.query;
+
+  if (slot === undefined || value === undefined) {
+    return res.status(400).json({ error: "Missing slot or value" });
+  }
+
+  const key = "win_tdrActive";
+  const filePath = path.join(
+    process.cwd(),
+    "apiMockData/SERVICE/kabelueberwachungMockData.js"
+  );
+
+  try {
+    const fileContent = await fs.readFile(filePath, "utf-8");
+    const regex = new RegExp(`(var\\s+${key}\\s*=\\s*\\[)([^\\]]*)(\\])`);
+    const match = fileContent.match(regex);
+
+    if (!match) {
+      return res
+        .status(404)
+        .json({ error: `Key "${key}" not found in mock data.` });
+    }
+
+    const values = match[2].split(",").map((v) => v.trim());
+    values[Number(slot)] = value;
+
+    // Optional: Entferne leere Einträge
+    while (values.length > 0 && !values[values.length - 1]) values.pop();
+
+    const newArray = `var ${key} = [\n  ${values.join(", ")}\n];`;
+    const updated = fileContent.replace(regex, newArray);
+
+    await fs.writeFile(filePath, updated, "utf-8");
+
+    return res.status(200).json({ success: true, slot, value });
+  } catch (err) {
+    console.error("API error:", err);
+    return res.status(500).json({ error: "Internal server error." });
+  }
+}