From f479de850801fa7cdfe0bf64d60fba5aef2111e5 Mon Sep 17 00:00:00 2001
From: Tim Eertmoed <tim@eertmoed.de>
Date: Wed, 8 Oct 2025 19:41:01 +0200
Subject: [PATCH] srv/poe_manager/templates/index.html aktualisiert

---
 srv/poe_manager/templates/index.html | 43 ++++++++++++++++++++++------
 1 file changed, 35 insertions(+), 8 deletions(-)

diff --git a/srv/poe_manager/templates/index.html b/srv/poe_manager/templates/index.html
index 1ce0f56..799de77 100644
--- a/srv/poe_manager/templates/index.html
+++ b/srv/poe_manager/templates/index.html
@@ -29,11 +29,18 @@
 </div>
 <script>
 document.addEventListener("DOMContentLoaded", () => {
-    const intervalMinutes = {{ interval | int }};
+    const intervalMinutes = {{ interval | int }}; // aus DB
     const intervalMilliseconds = intervalMinutes * 60 * 1000;
-    let lastUpdateTime = Date.now(); // optional: vom letzten Refresh / Log-Eintrag
+    let lastUpdateTime = Date.now();
 
-    function updateDashboardTimer() {
+    function parseLogTimestamp(ts) {
+        const parts = ts.match(/^(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2}):(\d{2})$/);
+        if (!parts) return Date.now();
+        const [, year, month, day, hour, minute, second] = parts.map(Number);
+        return new Date(year, month - 1, day, hour, minute, second).getTime();
+    }
+
+    function updateTimer() {
         const now = Date.now();
         const elapsed = now - lastUpdateTime;
         const remainingMs = intervalMilliseconds - (elapsed % intervalMilliseconds);
@@ -41,13 +48,33 @@ document.addEventListener("DOMContentLoaded", () => {
         document.getElementById("dashboard-timer").innerText = remainingSec + " s";
     }
 
-    // Optional: reset timer beim manuellen Refresh
-    // lastUpdateTime = Date.now(); 
+    function fetchLastLog() {
+        fetch("{{ url_for('get_log') }}")
+            .then(response => response.text())
+            .then(data => {
+                const lines = data.split("\n").filter(line => !line.includes("ist erreichbar!"));
+                let lastSepIndex = -1;
+                for (let i = lines.length - 1; i >= 0; i--) {
+                    if (lines[i].startsWith("--------------------------------------------------------------------")) {
+                        lastSepIndex = i;
+                        break;
+                    }
+                }
+                if (lastSepIndex >= 0 && lastSepIndex + 1 < lines.length) {
+                    const firstLine = lines[lastSepIndex + 1];
+                    const match = firstLine.match(/^(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2})/);
+                    if (match) lastUpdateTime = parseLogTimestamp(match[1]);
+                }
+            })
+            .catch(err => console.error("Fehler beim Laden der Logs:", err));
+    }
 
-    setInterval(updateDashboardTimer, 1000);
-    updateDashboardTimer(); // direkt beim Laden
+    // Timer aktualisieren jede Sekunde
+    setInterval(updateTimer, 1000);
+
+    // einmal beim Laden die letzte Log-Zeit setzen
+    fetchLastLog();
 });
 </script>
 
-
 {% endblock %}