feat(commission) : add push notifications and unread ticket titles

components/admin/admin-header.tsx

@@ -17,6 +17,7 @@ import {
 
 import { Button } from "@/components/ui/button";
 import { authClient } from "@/lib/auth/client";
+import { unsubscribeCommissionPush } from "@/components/commission/push-permission";
 
 export function AdminHeader() {
   const pathname = usePathname();
@@ -106,16 +107,17 @@ export function AdminHeader() {
             variant="ghost"
             size="icon-sm"
             aria-label="ออกจากระบบ"
-            onClick={() =>
-              authClient.signOut({
+            onClick={async () => {
+              await unsubscribeCommissionPush().catch(() => undefined);
+              await authClient.signOut({
                 fetchOptions: {
                   onSuccess: () => {
                     router.push("/admin/login");
                     router.refresh();
                   },
                 },
-              })
-            }
+              });
+            }}
           >
             <LogOutIcon />
           </Button>

components/commission/live-refresh.tsx

@@ -2,15 +2,31 @@
 
 import { useEffect } from "react";
 import { useRouter } from "next/navigation";
+import { parseCommissionMessageEvent } from "@/lib/commission/message-event";
 
-export function CommissionLiveRefresh({ endpoint }: { endpoint: string }) {
+export function CommissionLiveRefresh({ endpoint, userId }: { endpoint: string; userId: string }) {
   const router = useRouter();
   useEffect(() => {
+    const originalTitle = document.title;
+    let managedTitle = "";
+    let unread = 0;
     const source = new EventSource(endpoint);
-    const refresh = () => router.refresh();
+    const refresh = (event: Event) => {
+      const message = parseCommissionMessageEvent((event as MessageEvent<string>).data);
+      if (message && message.authorId !== userId) {
+        unread += 1;
+        managedTitle = `(${unread}) ${message.ticketTitle}`;
+        document.title = managedTitle;
+      }
+      router.refresh();
+    };
+    const opened = () => router.refresh();
     source.addEventListener("changed", refresh);
-    source.addEventListener("open", refresh);
-    return () => { source.removeEventListener("changed", refresh); source.removeEventListener("open", refresh); source.close(); };
-  }, [endpoint, router]);
+    source.addEventListener("open", opened);
+    return () => {
+      source.removeEventListener("changed", refresh); source.removeEventListener("open", opened); source.close();
+      if (managedTitle && document.title === managedTitle) document.title = originalTitle;
+    };
+  }, [endpoint, userId, router]);
   return null;
 }

components/commission/push-permission.tsx

@@ -0,0 +1,90 @@
+"use client";
+
+import { useEffect, useState } from "react";
+import { Bell, BellOff } from "lucide-react";
+import { Button } from "@/components/ui/button";
+
+type State = "loading" | "off" | "on" | "blocked" | "unavailable";
+
+export async function unsubscribeCommissionPush() {
+  if (!("serviceWorker" in navigator)) return;
+  const registration = await navigator.serviceWorker.getRegistration("/");
+  const subscription = await registration?.pushManager.getSubscription();
+  if (!subscription) return;
+  await fetch("/api/commission/push-subscription", { method: "DELETE",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify({ endpoint: subscription.endpoint }) }).catch(() => undefined);
+  await subscription.unsubscribe();
+}
+
+export function CommissionPushPermission({ scope }: { scope: "customer" | "admin" }) {
+  const [state, setState] = useState<State>("loading");
+  const [publicKey, setPublicKey] = useState("");
+  const [error, setError] = useState("");
+
+  useEffect(() => {
+    let active = true;
+    void (async () => {
+      if (!("Notification" in window) || !("serviceWorker" in navigator) ||
+        !("PushManager" in window) || !window.isSecureContext) {
+        setState("unavailable"); return;
+      }
+      const response = await fetch("/api/commission/push-subscription", { cache: "no-store" });
+      if (!response.ok) throw new Error();
+      const result = await response.json() as { publicKey: string };
+      if (!active) return;
+      setPublicKey(result.publicKey);
+      if (Notification.permission === "denied") { setState("blocked"); return; }
+      if (Notification.permission !== "granted") { setState("off"); return; }
+      const registration = await navigator.serviceWorker.register("/commission-push-sw.js", { scope: "/" });
+      const subscription = await registration.pushManager.getSubscription();
+      if (subscription) {
+        const saved = await fetch("/api/commission/push-subscription", { method: "POST",
+          headers: { "Content-Type": "application/json" },
+          body: JSON.stringify({ ...subscription.toJSON(), scope }) });
+        if (!saved.ok) throw new Error();
+      }
+      if (active) setState(subscription ? "on" : "off");
+    })().catch(() => { if (active) setState("unavailable"); });
+    return () => { active = false; };
+  }, [scope]);
+
+  async function toggle() {
+    const previousState = state;
+    setError(""); setState("loading");
+    try {
+      if (Notification.permission === "granted" && state === "on") {
+        await unsubscribeCommissionPush();
+        setState("off");
+        return;
+      }
+      if (await Notification.requestPermission() !== "granted") {
+        setState(Notification.permission === "denied" ? "blocked" : "off");
+        return;
+      }
+      const registration = await navigator.serviceWorker.register("/commission-push-sw.js", { scope: "/" });
+      const subscription = await registration.pushManager.subscribe({ userVisibleOnly: true,
+        applicationServerKey: publicKey });
+      const response = await fetch("/api/commission/push-subscription", { method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ ...subscription.toJSON(), scope }) });
+      if (!response.ok) { await subscription.unsubscribe(); throw new Error(); }
+      setState("on");
+    } catch {
+      setState(previousState === "on" ? "on" : "off");
+      setError(`${previousState === "on" ? "ปิด" : "เปิด"}การแจ้งเตือนไม่สำเร็จ กรุณาลองอีกครั้ง`);
+    }
+  }
+
+  if (state === "unavailable") return <span className="text-xs text-muted-foreground">
+    การแจ้งเตือนไม่พร้อมใช้งานบนเบราว์เซอร์นี้ (iPhone/iPad: เพิ่มเว็บไซต์ไปยังหน้าจอโฮมก่อน)
+  </span>;
+  if (state === "blocked") return <span className="text-xs text-muted-foreground">เบราว์เซอร์บล็อกการแจ้งเตือนอยู่</span>;
+  return <div className="flex flex-wrap items-center gap-2">
+    <Button type="button" variant="outline" size="sm" disabled={state === "loading"} onClick={() => void toggle()}>
+      {state === "on" ? <BellOff data-icon="inline-start" /> : <Bell data-icon="inline-start" />}
+      {state === "on" ? "ปิดการแจ้งเตือน" : "เปิดการแจ้งเตือน"}
+    </Button>
+    {error && <span role="alert" className="text-xs text-destructive">{error}</span>}
+  </div>;
+}

components/commission/sign-out.tsx

@@ -4,10 +4,12 @@ import { useRouter } from "next/navigation";
 import { LogOutIcon } from "lucide-react";
 import { Button } from "@/components/ui/button";
 import { authClient } from "@/lib/auth/client";
+import { unsubscribeCommissionPush } from "./push-permission";
 
 export function CommissionSignOut() {
   const router = useRouter();
   return <Button type="button" variant="ghost" size="icon-sm" aria-label="ออกจากระบบ" onClick={async () => {
+    await unsubscribeCommissionPush().catch(() => undefined);
     await authClient.signOut();
     router.push("/commission");
     router.refresh();

components/commission/ticket-chat.tsx

@@ -19,6 +19,8 @@ import { Message, MessageAvatar, MessageContent, MessageFooter, MessageGroup, Me
 import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover";
 import { Skeleton } from "@/components/ui/skeleton";
 import { cn } from "@/lib/utils";
+import { parseCommissionMessageEvent } from "@/lib/commission/message-event";
+import { CommissionPushPermission } from "./push-permission";
 
 type ChatMessage = { id: string; authorId: string; authorName: string; text: string | null;
   imageUrl: string | null; createdAt: Date; reactions: { userId: string; emoji: string }[] };
@@ -55,8 +57,8 @@ function CommissionMessageImage({ src }: { src: string }) {
   </Dialog>;
 }
 
-export function CommissionTicketChat({ ticketId, userId, status, messages, admin }: {
-  ticketId: string; userId: string; status: string; messages: ChatMessage[]; admin: boolean;
+export function CommissionTicketChat({ ticketId, ticketTitle, userId, status, messages, admin }: {
+  ticketId: string; ticketTitle: string; userId: string; status: string; messages: ChatMessage[]; admin: boolean;
 }) {
   const router = useRouter();
   const scrollRef = useRef<HTMLDivElement>(null);
@@ -102,6 +104,18 @@ export function CommissionTicketChat({ ticketId, userId, status, messages, admin
   }, [messages, optimisticMessages]);
 
   useEffect(() => {
+    const originalTitle = document.title;
+    let managedTitle = ticketTitle;
+    let unread = 0;
+    document.title = ticketTitle;
+    const markRead = () => {
+      if (document.hidden || !document.hasFocus()) return;
+      unread = 0;
+      managedTitle = ticketTitle;
+      document.title = ticketTitle;
+    };
+    document.addEventListener("visibilitychange", markRead);
+    window.addEventListener("focus", markRead);
     const source = new EventSource(`/api/commission/events?ticketId=${ticketId}`);
     let typingTimeout: ReturnType<typeof setTimeout> | undefined;
     const refresh = () => {
@@ -110,7 +124,15 @@ export function CommissionTicketChat({ ticketId, userId, status, messages, admin
     };
     const receive = (event: Event) => {
       const value = (event as MessageEvent<string>).data;
-      if (!value.startsWith("typing:")) { refresh(); return; }
+      if (!value.startsWith("typing:")) {
+        const message = parseCommissionMessageEvent(value);
+        if (message && message.authorId !== userId && (document.hidden || !document.hasFocus())) {
+          unread += 1;
+          managedTitle = `(${unread}) ${ticketTitle}`;
+          document.title = managedTitle;
+        }
+        refresh(); return;
+      }
       try {
         const update = JSON.parse(value.slice(7)) as { userId: string; name: string; active: boolean };
         if (update.userId === userId || typeof update.name !== "string" || typeof update.active !== "boolean") return;
@@ -128,8 +150,11 @@ export function CommissionTicketChat({ ticketId, userId, status, messages, admin
       source.removeEventListener("changed", receive);
       source.removeEventListener("open", refresh);
       source.close();
+      document.removeEventListener("visibilitychange", markRead);
+      window.removeEventListener("focus", markRead);
+      if (document.title === managedTitle) document.title = originalTitle;
     };
-  }, [ticketId, userId, router]);
+  }, [ticketId, ticketTitle, userId, router]);
 
   useEffect(() => {
     const viewport = scrollRef.current;
@@ -278,7 +303,8 @@ export function CommissionTicketChat({ ticketId, userId, status, messages, admin
     <CardHeader className="border-b py-3">
       <CardTitle>แชต{admin ? "กับลูกค้า" : "กับทีมงาน"}</CardTitle>
       <CardDescription>พูดคุยและส่งรูปภาพเกี่ยวกับคำขอนี้</CardDescription>
-      <CardAction className="flex items-center gap-2">
+      <CardAction className="flex flex-wrap items-center gap-2">
+        <CommissionPushPermission scope={admin ? "admin" : "customer"} />
         <Badge variant={status === "open" ? "secondary" : "outline"}>{status === "open" ? "เปิดอยู่" : "ปิดแล้ว"}</Badge>
         {admin && <Button variant="outline" size="sm" onClick={toggleStatus}>
           {status === "open" ? "ปิด Ticket" : "เปิดอีกครั้ง"}

components/commission/ticket-detail.tsx

@@ -34,7 +34,8 @@ export async function CommissionTicketDetail({ id, admin }: { id: string; admin:
           <p className="text-sm text-muted-foreground">การชำระเงิน: {data.payment.transRef} - {data.payment.transferredAt.toLocaleString("th-TH")}</p>
           <CommissionSlipDialog src={publicMediaUrl(data.payment.slipObjectKey)} />
         </CardContent></Card>
-      <CommissionTicketChat ticketId={id} userId={data.currentUserId} status={data.ticket.status}
+      <CommissionTicketChat ticketId={id} ticketTitle={data.ticket.title || `Ticket #${id.slice(0, 8)}`}
+        userId={data.currentUserId} status={data.ticket.status}
         messages={data.messages.map(({ imageObjectKey, ...message }) => ({ ...message,
           imageUrl: imageObjectKey ? publicMediaUrl(imageObjectKey) : null }))} admin={admin} />
     </div>