code quality improvements and improved file error handling

.env

@@ -1,3 +1,6 @@
 VITE_BASEURL=http://192.168.75.11/
+VITE_FOLKESTONE_BASE=http://100.116.253.81
 VITE_TESTURL=http://100.82.205.44/SightingListRear/sightingSummary?mostRecentRef=-1
-VITE_OUTSIDE_BASEURL=http://100.82.205.44/api
+VITE_OUTSIDE_BASEURL=http://100.82.205.44/api
+VITE_FOLKESTONE_URL=http://100.116.253.81/mergedHistory/sightingSummary?mostRecentRef=
+VITE_MAV_URL=http://192.168.75.11/SightingListFront/sightingSummary?mostRecentRef=

package.json

@@ -7,7 +7,8 @@
     "dev": "vite",
     "build": "tsc -b && vite build",
     "lint": "eslint .",
-    "preview": "vite preview"
+    "preview": "vite preview",
+    "type-check": "tsc --noEmit"
   },
   "dependencies": {
     "@fortawesome/fontawesome-svg-core": "^7.0.0",

src/components/SettingForms/NPED/NPEDFields.tsx

@@ -13,9 +13,9 @@ const NPEDFields = () => {
 
   const initialValues = user
     ? {
-        username: user.propUsername.value,
-        password: user.propPassword.value,
-        clientId: user.propClientID.value,
+        username: user?.propUsername?.value,
+        password: user?.propPassword?.value,
+        clientId: user?.propClientID?.value,
         frontId: "NPED",
         rearId: "NPED",
       }

src/components/SettingForms/NPED/NPEDHotlist.tsx

@@ -1,13 +1,26 @@
 import { Form, Formik } from "formik";
 import type { HotlistUploadType } from "../../../types/types";
+import { useSystemConfig } from "../../../hooks/useSystemConfig";
 
 const NPEDHotlist = () => {
+  const { uploadSettings } = useSystemConfig();
   const initialValue = {
     file: null,
   };
 
-  const handleSubmit = (values: HotlistUploadType) => console.log(values.file);
-  // upload/hotlist-upload/2
+  const handleSubmit = (values: HotlistUploadType) => {
+    const settings = {
+      file: values.file,
+      opts: {
+        timeoutMs: 30000,
+        fieldName: "upload",
+        uploadUrl: "http://192.168.75.11/upload/hotlist-upload/2",
+      },
+    };
+
+    uploadSettings(settings);
+  };
+
   return (
     <Formik initialValues={initialValue} onSubmit={handleSubmit}>
       {({ setFieldValue, setErrors, errors }) => {
@@ -24,21 +37,21 @@ const NPEDHotlist = () => {
                     setErrors({
                       file: "This file is not a CSV, please select a different one",
                     });
-
-                    return;
                   }
                   setFieldValue("file", e.target.files[0]);
+                } else {
+                  setErrors({ file: "no file" });
                 }
               }}
             />
             <button
               type="submit"
               className="w-1/4 text-white bg-green-700 hover:bg-green-800 font-small rounded-lg text-sm px-2 py-2.5"
-              disabled={errors ? true : false}
+              // disabled={errors ? true : false}
             >
               Upload
             </button>
-            <p>{errors && errors.file}</p>
+            <p>{errors.file && errors.file}</p>
           </Form>
         );
       }}

src/components/SettingForms/System/SystemConfigFields.tsx

@@ -139,6 +139,10 @@ const SystemConfigFields = () => {
             name={"softwareUpdate"}
             selectedFile={values.softwareUpdate}
           />
+          <div className="border-b border-gray-600">
+            <p>Reboot</p>
+          </div>
+
           <button
             type="button"
             className="bg-red-600 text-white px-4 py-2 rounded hover:bg-red-700 transition w-full max-w-md"

src/components/SettingForms/System/SystemFileUpload.tsx

@@ -14,16 +14,24 @@ const SystemFileUpload = ({ name, selectedFile }: SystemFileUploadProps) => {
 
   const handleFileUploadClick = () => {
     if (!selectedFile) return;
-    uploadSettings(selectedFile, {
-      timeoutMs: 30000,
-      fieldName: "upload",
-    });
+    const settings = {
+      file: selectedFile,
+      opts: {
+        timeoutMs: 30000,
+        fieldName: "upload",
+        uploadUrl: "http://192.168.75.11/upload/software-update/2'",
+      },
+    };
+    uploadSettings(settings);
   };
 
   return (
     <div className="py-8 w-full">
+      <div className="border-b border-gray-600">
+        <h2>Software Update file upload</h2>
+      </div>
       <FormGroup>
-        <div className="flex-1 flex justify-end md:w-2/3">
+        <div className="flex-1 flex md:w-2/3 my-5">
           <input
             type="file"
             name="softwareUpdate"

src/components/SettingForms/System/Upload.ts

@@ -0,0 +1,64 @@
+// CORS (server missing Access-Control-Allow-* headers)??
+
+type BlobFileUpload = {
+  file: File | null;
+  opts?: {
+    timeoutMs?: number;
+    fieldName?: string;
+    overrideFileName?: string;
+    uploadUrl: URL | string;
+  };
+};
+
+export async function sendBlobFileUpload({
+  file,
+  opts,
+}: BlobFileUpload): Promise<string> {
+  if (!file) throw new Error("No file supplied");
+  if (!opts?.uploadUrl) throw new Error("No URL supplied");
+
+  if (file?.type !== "text/csv") {
+    throw new Error("This file is not supported, please upload a CSV file.");
+  }
+  const timeoutMs = opts?.timeoutMs ?? 30000;
+  const fieldName = opts?.fieldName ?? "upload";
+  const fileName = opts?.overrideFileName ?? file?.name;
+
+  const controller = new AbortController();
+  const timeout = setTimeout(() => controller.abort(), timeoutMs);
+
+  try {
+    const form = new FormData();
+
+    form.append(fieldName, file, fileName);
+
+    const resp = await fetch(opts?.uploadUrl, {
+      method: "POST",
+      body: form,
+      signal: controller.signal,
+      redirect: "follow",
+    });
+
+    const bodyText = await resp.text();
+
+    if (!resp.ok) {
+      throw new Error(
+        `Upload failed (${resp.status} ${resp.statusText}) from ${opts.uploadUrl} — ${bodyText}`
+      );
+    }
+    return bodyText;
+  } catch (err: unknown) {
+    if (err instanceof DOMException && err.name === "AbortError") {
+      throw new Error(`Timeout uploading to ${opts.uploadUrl}.`);
+    }
+    // In browsers, fetch throws TypeError on network-level failures
+    if (err instanceof TypeError) {
+      throw new Error(
+        `HTTP error uploading to ${opts.uploadUrl}: ${err.message}`
+      );
+    }
+    throw new Error("HTTP method POST is not supported by this URL");
+  } finally {
+    clearTimeout(timeout);
+  }
+}

src/components/SettingForms/System/Upload.tsx

@@ -1,47 +0,0 @@
-// CORS (server missing Access-Control-Allow-* headers)??
-export async function sendBlobFileUpload(
-  file: File,
-  opts?: { timeoutMs?: number; fieldName?: string; overrideFileName?: string }
-): Promise<string> {
-  const timeoutMs = opts?.timeoutMs ?? 30000;
-  const fieldName = opts?.fieldName ?? "upload";
-  const fileName = opts?.overrideFileName ?? file.name;
-
-  const controller = new AbortController();
-  const timeout = setTimeout(() => controller.abort(), timeoutMs);
-
-  try {
-    const form = new FormData();
-    form.append(fieldName, file, fileName);
-
-    const resp = await fetch("http://192.168.75.11/upload/hotlist-upload/2", {
-      method: "POST",
-      body: form,
-      signal: controller.signal,
-      redirect: "follow",
-    });
-
-    const bodyText = await resp.text();
-
-    if (!resp.ok) {
-      // throw new Error(
-      //   `Server returned ${resp.status}: ${resp.statusText}. Details: ${bodyText}`
-      // );
-      return `Server returned ${resp.status}: ${resp.statusText}. Details: ${bodyText}`;
-    }
-    return bodyText;
-  } catch (err: any) {
-    if (err?.name === "AbortError") {
-      return `Timeout uploading to /upload/software-update/2.`;
-    }
-    // In browsers, fetch throws TypeError on network-level failures
-    if (err instanceof TypeError) {
-      return `HTTP error uploading to /upload/software-update/2: ${err.message}`;
-    }
-    return `Unexpected error uploading to /upload/software-update/2: ${
-      err?.message ?? String(err)
-    } ${err?.cause ?? ""}`;
-  } finally {
-    clearTimeout(timeout);
-  }
-}

src/components/SettingForms/WiFi&Modem/WiFiCard.tsx

@@ -11,9 +11,15 @@ const WiFiCard = () => {
   return (
     <Card className="mb-4">
       <CardHeader title={"WiFi"} />
+
       <div className="flex flex-col gap-4">
         <FormGroup>
-          <label htmlFor="ssid" className="font-medium whitespace-nowrap md:w-2/3">SSID</label>
+          <label
+            htmlFor="ssid"
+            className="font-medium whitespace-nowrap md:w-2/3"
+          >
+            SSID
+          </label>
           <input
             id="ssid"
             name="ssid"
@@ -21,11 +27,16 @@ const WiFiCard = () => {
             className="p-2 border border-gray-400 rounded-lg flex-1 md:w-2/3"
             placeholder="Enter SSID"
             value={ssid}
-            onChange={e => setSsid(e.target.value)}
+            onChange={(e) => setSsid(e.target.value)}
           />
         </FormGroup>
         <FormGroup>
-          <label htmlFor="password" className="font-medium whitespace-nowrap md:w-2/3">Password</label>
+          <label
+            htmlFor="password"
+            className="font-medium whitespace-nowrap md:w-2/3"
+          >
+            Password
+          </label>
           <input
             id="password"
             name="password"
@@ -33,17 +44,22 @@ const WiFiCard = () => {
             className="p-2 border border-gray-400 rounded-lg flex-1 md:w-2/3"
             placeholder="Enter Password"
             value={password}
-            onChange={e => setPassword(e.target.value)}
+            onChange={(e) => setPassword(e.target.value)}
           />
         </FormGroup>
         <FormGroup>
-          <label htmlFor="encryption" className="font-medium whitespace-nowrap md:w-2/3">WPA/Encryption Type</label>
+          <label
+            htmlFor="encryption"
+            className="font-medium whitespace-nowrap md:w-2/3"
+          >
+            WPA/Encryption Type
+          </label>
           <select
             id="encryption"
             name="encryption"
             className="p-2 border border-gray-400 rounded-lg text-white bg-[#253445] flex-1 md:w-2/3"
             value={encryption}
-            onChange={e => setEncryption(e.target.value)}
+            onChange={(e) => setEncryption(e.target.value)}
           >
             <option value="WPA2">WPA2</option>
             <option value="WPA3">WPA3</option>

src/components/SightingModal/SightingModal.tsx

@@ -36,7 +36,7 @@ const SightingModal = ({
               className="w-full h-56 sm:h-72 md:h-96 rounded-lg object-cover border border-gray-700"
             />
 
-            <div className="flex items-center gap-3">
+            <div className="flex flex-col md:flex-row items-center gap-3">
               <img
                 src={sighting?.plateUrlColour}
                 alt="plate patch"

src/components/SightingOverview/SightingOverview.tsx

@@ -16,13 +16,15 @@ const SightingOverview = () => {
     setOverlayMode((m) => ((m + 1) % 3) as 0 | 1 | 2);
   }, []);
 
-  const { side, mostRecent } = useSightingFeedContext();
+  const { side, mostRecent, isError, isLoading } = useSightingFeedContext();
 
   useOverviewOverlay(mostRecent, overlayMode, imgRef, canvasRef);
 
   const { sync } = useHiDPICanvas(imgRef, canvasRef);
 
-  // if (noSighting || isPending) return <p>loading</p>;
+  if (isLoading) return <p>Loading</p>;
+
+  if (isError) return <p>An error occurred, Cannot display footage</p>;
 
   return (
     <div className="flex flex-col">

src/components/UI/ModalComponent.tsx

@@ -16,7 +16,7 @@ const ModalComponent = ({
     <Modal
       isOpen={isModalOpen}
       onRequestClose={close}
-      className="bg-[#1e2a38] p-6 rounded-lg shadow-lg max-w-[90%] mx-auto mt-20 md:w-[70%] md:h-[80%] z-100"
+      className="bg-[#1e2a38] p-6 rounded-lg shadow-lg max-w-[90%] mx-auto mt-[1%] md:w-[70%] md:h-[90%] z-[100] overflow-y-auto max-h-screen"
       overlayClassName="fixed inset-0 bg-[#1e2a38]/70 flex justify-center items-start z-100"
     >
       {children}

src/context/SightingFeedContext.ts

@@ -12,6 +12,8 @@ type SightingFeedContextType = {
   setSelectedSighting: (sighting: SightingType | SightingType | null) => void;
   setSightingModalOpen: (isSightingModalOpen: boolean) => void;
   isSightingModalOpen: boolean;
+  isError: boolean;
+  isLoading: boolean;
 };
 
 export const SightingFeedContext = createContext<

src/context/providers/SightingFeedProvider.tsx

@@ -17,11 +17,14 @@ export const SightingFeedProvider = ({
     sightings,
     selectedRef,
     setSelectedRef,
-    // effectiveSelected,
+
+    isLoading,
+    isError,
     setSelectedSighting,
     selectedSighting,
     mostRecent,
   } = useSightingFeed(url);
+
   const [isSightingModalOpen, setSightingModalOpen] = useState(false);
 
   return (
@@ -34,8 +37,9 @@ export const SightingFeedProvider = ({
         selectedSighting,
         setSightingModalOpen,
         isSightingModalOpen,
-        // effectiveSelected,
         mostRecent,
+        isError,
+        isLoading,
         side,
       }}
     >

src/hooks/useGetOverviewSnapshot.ts

@@ -2,10 +2,11 @@ import { useRef, useCallback, useEffect } from "react";
 import { useQuery } from "@tanstack/react-query";
 
 const apiUrl = import.meta.env.VITE_BASEURL;
-
+const folkstoneUrl = import.meta.env.VITE_FOLKESTONE_BASE;
 async function fetchSnapshot(cameraSide: string) {
+  console.log(`${folkstoneUrl}/${cameraSide}-preview`);
   const response = await fetch(
-    // `http://100.116.253.81/Colour-preview`
+    // `${folkstoneUrl}/Colour-preview`
     `${apiUrl}/${cameraSide}-preview`
   );
   if (!response.ok) {

src/hooks/useOverviewVideo.ts

@@ -2,8 +2,6 @@ import { useQuery } from "@tanstack/react-query";
 import { useRef } from "react";
 
 const apiUrl = import.meta.env.VITE_BASEURL;
-const FAST_MS = 200; // tab visible
-const SLOW_MS = 2000; // tab hidden
 
 async function fetchOverviewImage(cameraSide: string) {
   const response = await fetch(`${apiUrl}${cameraSide}-preview`);

src/hooks/useSightingFeed.ts

@@ -1,75 +1,97 @@
 import { useEffect, useRef, useState } from "react";
+import { useQuery } from "@tanstack/react-query";
 import type { SightingType } from "../types/types";
 
 async function fetchSighting(url: string, ref: number): Promise<SightingType> {
   const res = await fetch(`${url}${ref}`);
   if (!res.ok) throw new Error(String(res.status));
-  return await res.json();
+  return res.json();
 }
 
 export function useSightingFeed(url: string) {
   const [sightings, setSightings] = useState<SightingType[]>([]);
   const [selectedRef, setSelectedRef] = useState<number | null>(null);
-  const [mostRecent, setMostRecent] = useState<SightingType | null>(null);
+  const mostRecent = sightings[0] ?? null;
   const [selectedSighting, setSelectedSighting] = useState<SightingType | null>(
     null
   );
 
   const currentRef = useRef<number>(-1);
-  const pollingTimeout = useRef<ReturnType<typeof setTimeout> | null>(null);
   const lastValidTimestamp = useRef<number>(Date.now());
 
-  useEffect(() => {
-    const poll = async () => {
-      try {
-        const data = await fetchSighting(url, currentRef.current);
+  const query = useQuery({
+    queryKey: ["sighting-feed", url],
+    enabled: !!url,
+    queryFn: () => fetchSighting(url, currentRef.current),
 
-        const now = Date.now();
+    refetchInterval: (q) => {
+      const data = q.state.data as SightingType | undefined;
+      const now = Date.now();
 
-        if (data.ref === -1) {
-          if (now - lastValidTimestamp.current > 60000) {
-            console.warn("No valid sighting in over a minute. Restarting...");
-            currentRef.current = -1;
-            lastValidTimestamp.current = now;
-          }
-
-          pollingTimeout.current = setTimeout(poll, 400);
-        } else {
-          currentRef.current = data.ref;
-          lastValidTimestamp.current = now;
-
-          setSightings((prev) => {
-            const updated = [data, ...prev].slice(0, 7);
-            return updated;
-          });
-
-          setMostRecent(data);
-          setSelectedRef(data.ref);
-
-          pollingTimeout.current = setTimeout(poll, 100);
-        }
-      } catch (err) {
-        console.error("Polling error:", err);
-        pollingTimeout.current = setTimeout(poll, 100);
+      if (data && data.ref !== -1) {
+        lastValidTimestamp.current = now;
+        return 100;
       }
-    };
 
-    poll();
+      if (now - lastValidTimestamp.current > 60_000) {
+        currentRef.current = -1;
+        lastValidTimestamp.current = now;
+      }
+      return 400;
+    },
+    refetchIntervalInBackground: true,
+    refetchOnWindowFocus: false,
+    retry: false,
+    staleTime: 0,
+  });
 
-    return () => {
-      if (pollingTimeout.current) clearTimeout(pollingTimeout.current);
-    };
-  }, [url]);
+  useEffect(() => {
+    const data = query.data;
+    if (!data) return;
 
-  // const selected = sightings.find(s => s?.ref === selectedRef) ?? mostRecent;
+    const now = Date.now();
+
+    if (data.ref === -1) {
+      // setSightings((prev) => {
+      //   if (prev[0]?.ref === data.ref) return prev;
+      //   const dedupPrev = prev.filter((s) => s.ref !== data.ref);
+      //   return [data, ...dedupPrev].slice(0, 7);
+      // });
+
+      return;
+    }
+
+    currentRef.current = data.ref;
+    lastValidTimestamp.current = now;
+
+    setSightings((prev) => {
+      if (prev[0]?.ref === data.ref) return prev;
+      const dedupPrev = prev.filter((s) => s.ref !== data.ref);
+      return [data, ...dedupPrev].slice(0, 7);
+    });
+
+    setSelectedRef(data.ref);
+  }, [query.data]);
+
+  useEffect(() => {
+    if (query.error) {
+      // you can add logging/telemetry here
+      // console.error("Sighting feed error:", query.error);
+    }
+  }, [query.error]);
 
   return {
     sightings,
     selectedRef,
     setSelectedRef,
     mostRecent,
-    setSelectedSighting,
     selectedSighting,
-    // effectiveSelected: selected,
+    setSelectedSighting,
+    data: query.data,
+    isLoading: query.isLoading,
+    isFetching: query.isFetching,
+    isError: query.isError,
+    error: query.error as Error | null,
+    refetch: query.refetch,
   };
 }

src/hooks/useSystemConfig.ts

@@ -10,8 +10,8 @@ export const useSystemConfig = () => {
   const uploadSettingsMutation = useMutation({
     mutationKey: ["uploadSettings"],
     mutationFn: sendBlobFileUpload,
-    onError: () => console.log("upload failed"),
-    onSuccess: (test) => console.log(test),
+    onError: (error) => toast.error(error.message),
+    onSuccess: (test) => toast(test),
   });
 
   const saveSystemSettings = useMutation({

src/pages/Dashboard.tsx

@@ -4,15 +4,12 @@ import SightingHistoryWidget from "../components/SightingsWidget/SightingWidget"
 import { SightingFeedProvider } from "../context/providers/SightingFeedProvider";
 
 const Dashboard = () => {
+  const folkestoneUrl = import.meta.env.VITE_FOLKESTONE_URL;
+  const outsideCamUrl = import.meta.env.VITE_MAV_URL;
+
   return (
     <div className="mx-auto grid grid-cols-1  sm:grid-cols-1 lg:grid-cols-2 gap-2 px-1 sm:px-2 lg:px-0 w-full">
-      <SightingFeedProvider
-        url={
-          // "http://100.116.253.81/mergedHistory/sightingSummary?mostRecentRef="
-          "http://192.168.75.11/SightingListFront/sightingSummary?mostRecentRef="
-        }
-        side="Front"
-      >
+      <SightingFeedProvider url={folkestoneUrl} side="Front">
         <FrontCameraOverviewCard className="order-1" />
         <SightingHistoryWidget
           className="order-3"
@@ -20,13 +17,7 @@ const Dashboard = () => {
         />
       </SightingFeedProvider>
 
-      <SightingFeedProvider
-        url={
-          // "http://100.116.253.81/mergedHistory/sightingSummary?mostRecentRef="
-          "http://192.168.75.11/SightingListRear/sightingSummary?mostRecentRef="
-        }
-        side="Rear"
-      >
+      <SightingFeedProvider url={outsideCamUrl} side="Rear">
         <RearCameraOverviewCard className="order-2" />
         <SightingHistoryWidget
           className="order-4"

src/types/types.ts

@@ -61,14 +61,14 @@ export type InitialValuesForm = {
 
 export type NPEDFieldType = {
   frontId: string;
-  username: string;
-  password: string;
-  clientId: string;
+  username: string | undefined;
+  password: string | undefined;
+  clientId: string | undefined;
   rearId: string;
 };
 
 export type HotlistUploadType = {
-  file: string | null;
+  file: File | null;
 };
 
 export type VersionFieldType = {
@@ -99,9 +99,9 @@ export type NpedJSON = {
 };
 
 export type NPEDUser = {
-  username: string;
-  clientId: string;
-  password?: string;
+  propUsername?: Prop;
+  propClientID?: Prop;
+  propPassword?: Prop;
 };
 
 export type NPEDErrorValues = {