heartbeat-monitor/src/app/page.tsx

351 lines
12 KiB
TypeScript

"use client";
import { useState, useEffect } from "react";
import { Activity, Plus, RefreshCw, Trash2, ExternalLink } from "lucide-react";
interface App {
id: string;
name: string;
description: string;
url: string;
port: number;
path: string;
command: string;
category: string;
color: string;
enabled: boolean;
}
interface StatusEntry {
appId: string;
timestamp: string;
status: "up" | "down";
responseTime?: number;
}
export default function HeartbeatMonitor() {
const [apps, setApps] = useState<App[]>([]);
const [status, setStatus] = useState<StatusEntry[]>([]);
const [loading, setLoading] = useState(true);
const [checking, setChecking] = useState<string | null>(null);
const [showAddApp, setShowAddApp] = useState(false);
const [newApp, setNewApp] = useState<Partial<App>>({
name: "",
description: "",
url: "http://localhost:",
port: 3000,
path: "",
command: "npm run dev",
category: "Other",
color: "#22C55E",
enabled: true,
});
useEffect(() => {
fetchData();
const interval = setInterval(fetchData, 30000);
return () => clearInterval(interval);
}, []);
async function fetchData() {
try {
const res = await fetch("/api/monitor");
const data = await res.json();
setApps(data.apps || []);
setStatus(data.status || []);
} catch (err) {
console.error("Failed to fetch data:", err);
} finally {
setLoading(false);
}
}
async function checkApp(app: App) {
setChecking(app.id);
try {
const start = Date.now();
await fetch(app.url, { method: "HEAD", mode: "no-cors" });
const responseTime = Date.now() - start;
const entry: StatusEntry = {
appId: app.id,
timestamp: new Date().toISOString(),
status: "up",
responseTime,
};
await fetch("/api/monitor", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ action: "recordStatus", entry }),
});
fetchData();
} catch {
const entry: StatusEntry = {
appId: app.id,
timestamp: new Date().toISOString(),
status: "down",
};
await fetch("/api/monitor", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ action: "recordStatus", entry }),
});
fetchData();
} finally {
setChecking(null);
}
}
async function addApp(e: React.FormEvent) {
e.preventDefault();
if (!newApp.name || !newApp.url) return;
await fetch("/api/monitor", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ action: "addApp", app: newApp }),
});
setNewApp({
name: "",
description: "",
url: "http://localhost:",
port: 3000,
path: "",
command: "npm run dev",
category: "Other",
color: "#22C55E",
enabled: true,
});
setShowAddApp(false);
fetchData();
}
async function deleteApp(id: string) {
if (!confirm("Delete this app from monitoring?")) return;
await fetch("/api/monitor", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ action: "deleteApp", id }),
});
fetchData();
}
function getAppStatus(appId: string) {
const appStatus = status.filter((s) => s.appId === appId);
const latest = appStatus[appStatus.length - 1];
const isUp = latest?.status === "up";
const uptime = appStatus.length > 0
? Math.round((appStatus.filter(s => s.status === "up").length / appStatus.length) * 100)
: 100;
return { latest, isUp, uptime };
}
const totalApps = apps.length;
const onlineApps = apps.filter((app) => getAppStatus(app.id).isUp).length;
if (loading) {
return (
<div className="min-h-screen bg-slate-950 flex items-center justify-center">
<div className="text-slate-400">Loading...</div>
</div>
);
}
return (
<div className="min-h-screen bg-slate-950 text-slate-100 p-6">
{/* Header */}
<div className="max-w-6xl mx-auto mb-6">
<div className="flex items-center justify-between">
<div className="flex items-center gap-3">
<Activity className="w-8 h-8 text-emerald-500" />
<div>
<h1 className="text-2xl font-bold">Heartbeat Monitor</h1>
<p className="text-slate-400">{onlineApps} of {totalApps} services online</p>
</div>
</div>
<div className="flex items-center gap-2">
<button
onClick={fetchData}
className="p-2 bg-slate-800 rounded-lg text-slate-400 hover:text-white"
>
<RefreshCw className="w-5 h-5" />
</button>
<button
onClick={() => setShowAddApp(true)}
className="flex items-center gap-2 bg-emerald-500 hover:bg-emerald-600 text-white px-4 py-2 rounded-lg"
>
<Plus className="w-4 h-4" />
Add App
</button>
</div>
</div>
</div>
{/* Table */}
<div className="max-w-6xl mx-auto">
<div className="bg-slate-900 rounded-lg border border-slate-800 overflow-hidden">
<table className="w-full">
<thead>
<tr className="bg-slate-800 text-left">
<th className="px-4 py-3 text-sm font-medium text-slate-400">Status</th>
<th className="px-4 py-3 text-sm font-medium text-slate-400">Name</th>
<th className="px-4 py-3 text-sm font-medium text-slate-400">URL</th>
<th className="px-4 py-3 text-sm font-medium text-slate-400">Port</th>
<th className="px-4 py-3 text-sm font-medium text-slate-400">Uptime</th>
<th className="px-4 py-3 text-sm font-medium text-slate-400">Response</th>
<th className="px-4 py-3 text-sm font-medium text-slate-400">Actions</th>
</tr>
</thead>
<tbody>
{apps.map((app) => {
const { isUp, uptime, latest } = getAppStatus(app.id);
return (
<tr key={app.id} className="border-t border-slate-800 hover:bg-slate-800/50">
<td className="px-4 py-3">
<span className={`inline-flex items-center gap-1.5 px-2.5 py-1 rounded-full text-xs font-medium ${
isUp
? "bg-emerald-500/20 text-emerald-400"
: "bg-red-500/20 text-red-400"
}`}>
<span className={`w-1.5 h-1.5 rounded-full ${isUp ? "bg-emerald-400" : "bg-red-400"}`} />
{isUp ? "ONLINE" : "OFFLINE"}
</span>
</td>
<td className="px-4 py-3">
<div>
<p className="font-medium text-white">{app.name}</p>
<p className="text-sm text-slate-500">{app.description}</p>
</div>
</td>
<td className="px-4 py-3">
<a
href={app.url}
target="_blank"
rel="noopener noreferrer"
className="text-emerald-400 hover:text-emerald-300 text-sm"
>
{app.url}
</a>
</td>
<td className="px-4 py-3 text-slate-300 font-mono">{app.port}</td>
<td className="px-4 py-3">
<span className={`font-mono ${uptime >= 90 ? "text-emerald-400" : "text-yellow-400"}`}>
{uptime}%
</span>
</td>
<td className="px-4 py-3 text-slate-300 font-mono">
{latest?.responseTime ? `${latest.responseTime}ms` : "--"}
</td>
<td className="px-4 py-3">
<div className="flex items-center gap-2">
<button
onClick={() => checkApp(app)}
disabled={checking === app.id}
className="p-1.5 text-slate-400 hover:text-white hover:bg-slate-700 rounded"
title="Check now"
>
<RefreshCw className={`w-4 h-4 ${checking === app.id ? "animate-spin" : ""}`} />
</button>
<a
href={app.url}
target="_blank"
rel="noopener noreferrer"
className="p-1.5 text-slate-400 hover:text-white hover:bg-slate-700 rounded"
title="Open app"
>
<ExternalLink className="w-4 h-4" />
</a>
<button
onClick={() => deleteApp(app.id)}
className="p-1.5 text-slate-400 hover:text-red-400 hover:bg-slate-700 rounded"
title="Delete"
>
<Trash2 className="w-4 h-4" />
</button>
</div>
</td>
</tr>
);
})}
</tbody>
</table>
</div>
</div>
{/* Add App Modal */}
{showAddApp && (
<div className="fixed inset-0 bg-black/50 flex items-center justify-center z-50 p-4">
<div className="bg-slate-900 rounded-lg p-6 w-full max-w-md border border-slate-800">
<h2 className="text-xl font-bold text-white mb-4">Add New App</h2>
<form onSubmit={addApp} className="space-y-4">
<div>
<label className="block text-sm text-slate-400 mb-1">Name</label>
<input
type="text"
value={newApp.name}
onChange={(e) => setNewApp({ ...newApp, name: e.target.value })}
className="w-full bg-slate-800 border border-slate-700 rounded-lg px-3 py-2 text-white"
required
/>
</div>
<div>
<label className="block text-sm text-slate-400 mb-1">Description</label>
<input
type="text"
value={newApp.description}
onChange={(e) => setNewApp({ ...newApp, description: e.target.value })}
className="w-full bg-slate-800 border border-slate-700 rounded-lg px-3 py-2 text-white"
/>
</div>
<div className="grid grid-cols-2 gap-4">
<div>
<label className="block text-sm text-slate-400 mb-1">URL</label>
<input
type="text"
value={newApp.url}
onChange={(e) => setNewApp({ ...newApp, url: e.target.value })}
className="w-full bg-slate-800 border border-slate-700 rounded-lg px-3 py-2 text-white"
required
/>
</div>
<div>
<label className="block text-sm text-slate-400 mb-1">Port</label>
<input
type="number"
value={newApp.port}
onChange={(e) => setNewApp({ ...newApp, port: parseInt(e.target.value) })}
className="w-full bg-slate-800 border border-slate-700 rounded-lg px-3 py-2 text-white"
required
/>
</div>
</div>
<div className="flex gap-3 pt-2">
<button
type="button"
onClick={() => setShowAddApp(false)}
className="flex-1 bg-slate-800 hover:bg-slate-700 text-slate-300 py-2 rounded-lg"
>
Cancel
</button>
<button
type="submit"
className="flex-1 bg-emerald-500 hover:bg-emerald-600 text-white py-2 rounded-lg font-medium"
>
Add App
</button>
</div>
</form>
</div>
</div>
)}
</div>
);
}