client/web: add device details view

Initial addition of device details view on the frontend. A little
more backend piping work to come to fill all of the detail fields,
for now using placeholders.

Updates tailscale/corp#14335

Signed-off-by: Sonia Appasamy <sonia@tailscale.com>

client/web/src/components/app.tsx

@@ -1,31 +1,57 @@
 import cx from "classnames"
-import React from "react"
+import React, { useEffect } from "react"
 import LegacyClientView from "src/components/views/legacy-client-view"
 import LoginClientView from "src/components/views/login-client-view"
 import ManagementClientView from "src/components/views/management-client-view"
 import ReadonlyClientView from "src/components/views/readonly-client-view"
 import useAuth, { AuthResponse, SessionsCallbacks } from "src/hooks/auth"
-import useNodeData from "src/hooks/node-data"
-import { Route, Switch } from "wouter"
+import useNodeData, { NodeData, NodeUpdate } from "src/hooks/node-data"
+import { ReactComponent as TailscaleIcon } from "src/icons/tailscale-icon.svg"
+import ProfilePic from "src/ui/profile-pic"
+import { Link, Route, Switch, useLocation } from "wouter"
+import DeviceDetailsView from "./views/device-details-view"
 
 export default function App() {
   const { data: auth, loading: loadingAuth, sessions } = useAuth()
+  const { data, refreshData, updateNode } = useNodeData()
+  useEffect(() => {
+    refreshData()
+  }, [auth, refreshData])
 
   return (
-    <main className="flex flex-col items-center min-w-sm max-w-lg mx-auto py-14">
-      {loadingAuth ? (
+    <main className="min-w-sm max-w-lg mx-auto py-14 px-5">
+      {loadingAuth || !data ? (
         <div className="text-center py-14">Loading...</div> // TODO(sonia): add a loading view
       ) : (
-        <Switch>
-          <Route path="/">
-            <HomeView auth={auth} sessions={sessions} />
-          </Route>
-          <Route path="/details">{/* TODO */}Device details</Route>
-          <Route path="/subnets">{/* TODO */}Subnet router</Route>
-          <Route path="/ssh">{/* TODO */}Tailscale SSH server</Route>
-          <Route path="/serve">{/* TODO */}Share local content</Route>
-          <Route>Page not found</Route>
-        </Switch>
+        <>
+          {/* TODO(sonia): get rid of the conditions here once full/readonly
+           * views live on same components */}
+          {data.DebugMode === "full" && auth?.ok && <Header node={data} />}
+          <Switch>
+            <Route path="/">
+              <HomeView
+                auth={auth}
+                data={data}
+                sessions={sessions}
+                refreshData={refreshData}
+                updateNode={updateNode}
+              />
+            </Route>
+            {data.DebugMode !== "" && (
+              <>
+                <Route path="/details">
+                  <DeviceDetailsView node={data} />
+                </Route>
+                <Route path="/subnets">{/* TODO */}Subnet router</Route>
+                <Route path="/ssh">{/* TODO */}Tailscale SSH server</Route>
+                <Route path="/serve">{/* TODO */}Share local content</Route>
+              </>
+            )}
+            <Route>
+              <h2 className="mt-8">Page not found</h2>
+            </Route>
+          </Switch>
+        </>
       )}
     </main>
   )
@@ -33,18 +59,20 @@ export default function App() {
 
 function HomeView({
   auth,
+  data,
   sessions,
+  refreshData,
+  updateNode,
 }: {
   auth?: AuthResponse
+  data: NodeData
   sessions: SessionsCallbacks
+  refreshData: () => Promise<void>
+  updateNode: (update: NodeUpdate) => void
 }) {
-  const { data, refreshData, updateNode } = useNodeData()
-
   return (
     <>
-      {!data ? (
-        <div className="text-center py-14">Loading...</div> // TODO(sonia): add a loading view
-      ) : data?.Status === "NeedsLogin" || data?.Status === "NoState" ? (
+      {data?.Status === "NeedsLogin" || data?.Status === "NoState" ? (
         // Client not on a tailnet, render login.
         <LoginClientView
           data={data}
@@ -64,19 +92,47 @@ function HomeView({
           updateNode={updateNode}
         />
       )}
-      {data && <Footer licensesURL={data.LicensesURL} />}
+      {<Footer licensesURL={data.LicensesURL} />}
     </>
   )
 }
 
-export function Footer(props: { licensesURL: string; className?: string }) {
+function Header({ node }: { node: NodeData }) {
+  const [loc] = useLocation()
+
   return (
-    <footer
-      className={cx("container max-w-lg mx-auto text-center", props.className)}
-    >
+    <>
+      <div className="flex justify-between mb-12">
+        <TailscaleIcon />
+        <div className="flex">
+          <p className="mr-2">{node.Profile.LoginName}</p>
+          <ProfilePic url={node.Profile.ProfilePicURL} />
+        </div>
+      </div>
+      {loc !== "/" && (
+        <Link
+          to="/"
+          className="text-indigo-500 font-medium leading-snug block mb-[10px]"
+        >
+          &larr; Back to {node.DeviceName}
+        </Link>
+      )}
+    </>
+  )
+}
+
+export function Footer({
+  licensesURL,
+  className,
+}: {
+  licensesURL: string
+  className?: string
+}) {
+  return (
+    <footer className={cx("container max-w-lg mx-auto text-center", className)}>
       <a
         className="text-xs text-gray-500 hover:text-gray-600"
-        href={props.licensesURL}
+        href={licensesURL}
       >
         Open Source Licenses
       </a>