More messing about, and learning how it all works. Added time to header. Changed some padding. Changed video to preview not target detection. Added TODO list.

src/components/UI/Header.tsx

@@ -1,10 +1,60 @@
+import * as React from "react";
 import { Link } from "react-router";
 import Logo from "/MAV.svg";
 import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
-import { faGear } from "@fortawesome/free-solid-svg-icons";
-import { faListCheck } from "@fortawesome/free-solid-svg-icons";
+import { faGear, faListCheck } from "@fortawesome/free-solid-svg-icons";
+import type { VersionFieldType } from "../../types/types";
+
+async function fetchVersions(signal?: AbortSignal): Promise<VersionFieldType> {
+  const res = await fetch("http://192.168.75.11/api/versions", { signal });
+  if (!res.ok) throw new Error(`HTTP ${res.status}`);
+  return res.json();
+}
+
+const pad = (n: number) => String(n).padStart(2, "0");
+const normalizeToMs = (ts: number) => (ts < 1e12 ? ts * 1000 : ts); // seconds → ms if needed
+
+function formatFromMs(ms: number, tz: "local" | "utc" = "local") {
+  const d = new Date(ms);
+  const h = tz === "utc" ? d.getUTCHours() : d.getHours();
+  const m = tz === "utc" ? d.getUTCMinutes() : d.getMinutes();
+  const s = tz === "utc" ? d.getUTCSeconds() : d.getSeconds();
+  const day = tz === "utc" ? d.getUTCDate() : d.getDate();
+  const month = (tz === "utc" ? d.getUTCMonth() : d.getMonth()) + 1;
+  const year = tz === "utc" ? d.getUTCFullYear() : d.getFullYear();
+  return `${pad(h)}:${pad(m)}:${pad(s)} ${pad(day)}-${pad(month)}-${year}`;
+}
+
+export default function Header() {
+  const [offsetMs, setOffsetMs] = React.useState<number | null>(null);
+  const [nowMs, setNowMs] = React.useState<number>(Date.now());
+
+  React.useEffect(() => {
+    const ac = new AbortController();
+    fetchVersions(ac.signal)
+      .then((data) => {
+        const serverMs = normalizeToMs(data.timeStamp);
+        setOffsetMs(serverMs - Date.now());
+      })
+    return () => ac.abort();
+  }, []);
+
+  React.useEffect(() => {
+    let timer: number;
+    const schedule = () => {
+      const now = Date.now();
+      setNowMs(now);
+      const delay = 1000 - (now % 1000);
+      timer = window.setTimeout(schedule, delay);
+    };
+    schedule();
+    return () => clearTimeout(timer);
+  }, []);
+
+  const serverNowMs = offsetMs == null ? nowMs : nowMs + offsetMs;
+  const localStr = formatFromMs(serverNowMs, "local");
+  const utcStr = formatFromMs(serverNowMs, "utc");
 
-const Header = () => {
   return (
     <div className="relative bg-[#253445] border-b border-gray-500 items-center mx-auto px-2 sm:px-6 lg:px-8 p-4 flex flex-row justify-between">
       {/* Left: Logo */}
@@ -13,17 +63,20 @@ const Header = () => {
           <img src={Logo} alt="Logo" width={150} height={150} />
         </Link>
       </div>
-      <div className="flex items-center space-x-8">
+      {/* Right: Texts stacked + icons */}
+      <div className="flex items-center space-x-12">
+        <div className="flex flex-col leading-tight text-white text-sm tabular-nums">
+          <h2>Local: {localStr}</h2>
+          <h2>UTC: {utcStr}</h2>
+        </div>
+
         <Link to={"/session-settings"}>
-          <FontAwesomeIcon icon={faListCheck} />
+          <FontAwesomeIcon className="text-white" icon={faListCheck} />
         </Link>
         <Link to={"/system-settings"}>
-          <FontAwesomeIcon icon={faGear} />
+          <FontAwesomeIcon className="text-white" icon={faGear} />
         </Link>
       </div>
     </div>
   );
-};
-
-
-export default Header;
+}