406 lines
17 KiB
JavaScript

import { useEffect, useMemo, useState } from "react";
import { AnimatePresence, motion } from "framer-motion";
import {
AlertTriangle,
Check,
Database,
FileJson,
Globe2,
Loader2,
Plus,
RefreshCcw,
Route,
Server,
ShieldCheck,
Zap,
} from "lucide-react";
const API_BASE = import.meta.env.VITE_API_BASE_URL || "http://localhost:4000/api";
const emptyServer = { name: "", ipAddress: "", description: "" };
const emptyService = {
serverId: "",
name: "",
port: "",
endpoint: "",
method: "POST",
requestTemplate: "{}",
notes: "",
};
const sampleJson = JSON.stringify(
{
servers: [
{
name: "Billing Server",
ipAddress: "192.168.1.50",
services: [
{
name: "Invoice API",
port: 8080,
endpoint: "/api/invoices/sync",
method: "POST",
requestTemplate: { limit: 10 },
},
],
},
],
},
null,
2,
);
async function api(path, options = {}) {
const response = await fetch(`${API_BASE}${path}`, {
headers: { "content-type": "application/json", ...(options.headers || {}) },
...options,
});
const data = await response.json().catch(() => null);
if (!response.ok) {
const error = new Error(data?.message || "Request failed.");
error.data = data;
throw error;
}
return data;
}
function parseJsonField(value) {
const trimmed = value.trim();
if (!trimmed) return null;
return JSON.parse(trimmed);
}
function Stat({ icon: Icon, label, value }) {
return (
<div className="flex items-center gap-3 border border-slate-200 bg-white px-4 py-3">
<span className="flex h-10 w-10 items-center justify-center bg-slate-100 text-slate-700">
<Icon size={20} />
</span>
<div>
<p className="text-xs font-medium uppercase tracking-wide text-slate-500">{label}</p>
<p className="text-xl font-semibold text-slate-950">{value}</p>
</div>
</div>
);
}
function Field({ label, children }) {
return (
<label className="grid gap-1.5 text-sm font-medium text-slate-700">
<span>{label}</span>
{children}
</label>
);
}
function App() {
const [servers, setServers] = useState([]);
const [serverForm, setServerForm] = useState(emptyServer);
const [serviceForm, setServiceForm] = useState(emptyService);
const [jsonInput, setJsonInput] = useState(sampleJson);
const [preview, setPreview] = useState(null);
const [message, setMessage] = useState("");
const [error, setError] = useState("");
const [loading, setLoading] = useState(false);
const [proxyResult, setProxyResult] = useState(null);
const totals = useMemo(() => {
const services = servers.reduce((sum, server) => sum + server.services.length, 0);
const ports = new Set(servers.flatMap((server) => server.services.map((service) => service.port)));
return { servers: servers.length, services, ports: ports.size };
}, [servers]);
async function loadServers() {
setLoading(true);
setError("");
try {
const data = await api("/servers");
setServers(data);
if (data[0] && !serviceForm.serverId) {
setServiceForm((current) => ({ ...current, serverId: data[0].id }));
}
} catch (err) {
setError(err.message);
} finally {
setLoading(false);
}
}
useEffect(() => {
loadServers();
}, []);
async function createServer(event) {
event.preventDefault();
setError("");
setMessage("");
try {
await api("/servers", { method: "POST", body: JSON.stringify(serverForm) });
setServerForm(emptyServer);
setMessage("Server added.");
await loadServers();
} catch (err) {
setError(err.message);
}
}
async function createService(event) {
event.preventDefault();
setError("");
setMessage("");
try {
await api("/services", {
method: "POST",
body: JSON.stringify({
...serviceForm,
requestTemplate: parseJsonField(serviceForm.requestTemplate),
}),
});
setServiceForm((current) => ({
...emptyService,
serverId: current.serverId,
method: "POST",
requestTemplate: "{}",
}));
setMessage("Service added.");
await loadServers();
} catch (err) {
setError(err.message);
}
}
async function previewImport() {
setError("");
setMessage("");
try {
const payload = JSON.parse(jsonInput);
const data = await api("/imports/preview", { method: "POST", body: JSON.stringify(payload) });
setPreview(data);
setMessage(
data.conflicts.length
? "Conflicts found. Review and confirm before overwrite."
: "Import is ready. Exact duplicates will be skipped.",
);
} catch (err) {
setError(err.message);
}
}
async function applyImport(mode = "skip") {
setError("");
setMessage("");
try {
const payload = JSON.parse(jsonInput);
const data = await api("/imports/apply", {
method: "POST",
body: JSON.stringify({ payload, mode }),
});
setPreview(null);
setMessage(
`Import applied: ${data.applied.serversCreated} servers and ${data.applied.servicesCreated} services created.`,
);
await loadServers();
} catch (err) {
setError(err.message);
if (err.data) setPreview(err.data);
}
}
async function reverseProxy(serviceId, body) {
setError("");
setProxyResult(null);
try {
const data = await api(`/services/${serviceId}/reverse-proxy`, {
method: "POST",
body: JSON.stringify({ body }),
});
setProxyResult(data);
} catch (err) {
setError(err.message);
}
}
return (
<div className="min-h-screen bg-[#f5f7fb]">
<header className="border-b border-slate-200 bg-white">
<div className="mx-auto flex max-w-7xl flex-col gap-6 px-4 py-6 sm:px-6 lg:px-8">
<div className="flex flex-col justify-between gap-4 lg:flex-row lg:items-center">
<div className="flex items-center gap-3">
<span className="flex h-11 w-11 items-center justify-center bg-slate-950 text-white">
<Route size={22} />
</span>
<div>
<p className="text-sm font-semibold uppercase tracking-wide text-cyan-700">MTC Server Reverse Proxy</p>
<h1 className="text-2xl font-semibold text-slate-950 sm:text-3xl">Reverse Proxy Manager</h1>
</div>
</div>
<button
className="inline-flex items-center justify-center gap-2 bg-slate-950 px-4 py-2.5 text-sm font-semibold text-white transition hover:bg-cyan-700"
onClick={loadServers}
type="button"
>
{loading ? <Loader2 className="animate-spin" size={18} /> : <RefreshCcw size={18} />}
Refresh
</button>
</div>
<div className="grid gap-3 md:grid-cols-3">
<Stat icon={Server} label="Servers" value={totals.servers} />
<Stat icon={Globe2} label="Services" value={totals.services} />
<Stat icon={Database} label="Ports" value={totals.ports} />
</div>
</div>
</header>
<main className="mx-auto grid max-w-7xl gap-6 px-4 py-6 sm:px-6 lg:grid-cols-[380px_1fr] lg:px-8">
<aside className="grid content-start gap-6">
<section className="border border-slate-200 bg-white p-4">
<h2 className="mb-4 flex items-center gap-2 text-base font-semibold text-slate-950">
<Plus size={18} /> Add Server
</h2>
<form className="grid gap-3" onSubmit={createServer}>
<Field label="Server name">
<input className="border border-slate-300 px-3 py-2 outline-none focus:border-cyan-600" required value={serverForm.name} onChange={(event) => setServerForm({ ...serverForm, name: event.target.value })} />
</Field>
<Field label="IP address">
<input className="border border-slate-300 px-3 py-2 outline-none focus:border-cyan-600" required value={serverForm.ipAddress} onChange={(event) => setServerForm({ ...serverForm, ipAddress: event.target.value })} />
</Field>
<Field label="Description">
<textarea className="min-h-20 border border-slate-300 px-3 py-2 outline-none focus:border-cyan-600" value={serverForm.description} onChange={(event) => setServerForm({ ...serverForm, description: event.target.value })} />
</Field>
<button className="inline-flex items-center justify-center gap-2 bg-cyan-700 px-4 py-2.5 text-sm font-semibold text-white hover:bg-slate-950">
<Check size={18} /> Save Server
</button>
</form>
</section>
<section className="border border-slate-200 bg-white p-4">
<h2 className="mb-4 flex items-center gap-2 text-base font-semibold text-slate-950">
<Zap size={18} /> Add Service
</h2>
<form className="grid gap-3" onSubmit={createService}>
<Field label="Server">
<select className="border border-slate-300 px-3 py-2 outline-none focus:border-cyan-600" required value={serviceForm.serverId} onChange={(event) => setServiceForm({ ...serviceForm, serverId: event.target.value })}>
<option value="">Select server</option>
{servers.map((server) => (
<option key={server.id} value={server.id}>
{server.name} ({server.ipAddress})
</option>
))}
</select>
</Field>
<Field label="Service name">
<input className="border border-slate-300 px-3 py-2 outline-none focus:border-cyan-600" required value={serviceForm.name} onChange={(event) => setServiceForm({ ...serviceForm, name: event.target.value })} />
</Field>
<div className="grid grid-cols-[1fr_110px] gap-3">
<Field label="Endpoint">
<input className="border border-slate-300 px-3 py-2 outline-none focus:border-cyan-600" required value={serviceForm.endpoint} onChange={(event) => setServiceForm({ ...serviceForm, endpoint: event.target.value })} />
</Field>
<Field label="Port">
<input className="border border-slate-300 px-3 py-2 outline-none focus:border-cyan-600" required min="1" max="65535" type="number" value={serviceForm.port} onChange={(event) => setServiceForm({ ...serviceForm, port: event.target.value })} />
</Field>
</div>
<Field label="Request JSON">
<textarea className="min-h-24 border border-slate-300 px-3 py-2 font-mono text-xs outline-none focus:border-cyan-600" value={serviceForm.requestTemplate} onChange={(event) => setServiceForm({ ...serviceForm, requestTemplate: event.target.value })} />
</Field>
<button className="inline-flex items-center justify-center gap-2 bg-slate-950 px-4 py-2.5 text-sm font-semibold text-white hover:bg-cyan-700">
<Check size={18} /> Save Service
</button>
</form>
</section>
<section className="border border-slate-200 bg-white p-4">
<h2 className="mb-4 flex items-center gap-2 text-base font-semibold text-slate-950">
<FileJson size={18} /> JSON Import
</h2>
<textarea className="min-h-80 w-full border border-slate-300 px-3 py-2 font-mono text-xs outline-none focus:border-cyan-600" value={jsonInput} onChange={(event) => setJsonInput(event.target.value)} />
<div className="mt-3 grid grid-cols-2 gap-3">
<button className="border border-slate-300 bg-white px-4 py-2 text-sm font-semibold text-slate-800 hover:border-cyan-700" onClick={previewImport} type="button">
Preview
</button>
<button className="bg-cyan-700 px-4 py-2 text-sm font-semibold text-white hover:bg-slate-950" onClick={() => applyImport("skip")} type="button">
Add New
</button>
</div>
</section>
</aside>
<section className="grid content-start gap-6">
<AnimatePresence>
{(message || error) && (
<motion.div animate={{ opacity: 1, y: 0 }} className={`border p-4 text-sm font-medium ${error ? "border-rose-200 bg-rose-50 text-rose-800" : "border-emerald-200 bg-emerald-50 text-emerald-800"}`} exit={{ opacity: 0, y: -8 }} initial={{ opacity: 0, y: -8 }}>
{error || message}
</motion.div>
)}
</AnimatePresence>
{preview && (
<section className="border border-slate-200 bg-white p-4">
<div className="flex flex-col justify-between gap-3 md:flex-row md:items-center">
<h2 className="flex items-center gap-2 text-base font-semibold text-slate-950">
{preview.conflicts?.length ? <AlertTriangle size={18} /> : <ShieldCheck size={18} />}
Import Preview
</h2>
{preview.conflicts?.length > 0 && (
<button className="bg-amber-600 px-4 py-2 text-sm font-semibold text-white hover:bg-slate-950" onClick={() => applyImport("overwrite")} type="button">
Confirm Overwrite
</button>
)}
</div>
<div className="mt-4 grid gap-3 md:grid-cols-3">
<Stat icon={Plus} label="New servers" value={preview.newServers?.length || 0} />
<Stat icon={Zap} label="New services" value={preview.newServices?.length || 0} />
<Stat icon={AlertTriangle} label="Conflicts" value={preview.conflicts?.length || 0} />
</div>
</section>
)}
<div className="grid gap-4">
{servers.map((server) => (
<motion.article animate={{ opacity: 1, y: 0 }} className="border border-slate-200 bg-white p-4" initial={{ opacity: 0, y: 8 }} key={server.id}>
<div className="flex flex-col justify-between gap-3 border-b border-slate-200 pb-4 md:flex-row md:items-start">
<div>
<h2 className="text-lg font-semibold text-slate-950">{server.name}</h2>
<p className="mt-1 font-mono text-sm text-slate-600">{server.ipAddress}</p>
{server.description && <p className="mt-2 text-sm text-slate-600">{server.description}</p>}
</div>
<span className="bg-slate-100 px-3 py-1 text-sm font-semibold text-slate-700">{server.services.length} services</span>
</div>
<div className="mt-4 grid gap-3 xl:grid-cols-2">
{server.services.map((service) => (
<div className="border border-slate-200 p-3" key={service.id}>
<div className="flex items-start justify-between gap-3">
<div>
<h3 className="font-semibold text-slate-950">{service.name}</h3>
<p className="mt-1 break-all font-mono text-xs text-slate-600">
{service.method} http://{server.ipAddress}:{service.port}
{service.endpoint}
</p>
</div>
<button className="inline-flex shrink-0 items-center gap-2 bg-slate-950 px-3 py-2 text-xs font-semibold text-white hover:bg-cyan-700" onClick={() => reverseProxy(service.id, service.requestTemplate)} type="button">
<Route size={15} /> Reverse Proxy
</button>
</div>
</div>
))}
{server.services.length === 0 && <p className="border border-dashed border-slate-300 p-4 text-sm text-slate-500">No services added for this server yet.</p>}
</div>
</motion.article>
))}
</div>
{servers.length === 0 && !loading && <section className="border border-dashed border-slate-300 bg-white p-8 text-center text-slate-600">Add a server manually or import JSON to start building the proxy table.</section>}
{proxyResult && (
<section className="border border-slate-200 bg-white p-4">
<h2 className="mb-3 text-base font-semibold text-slate-950">Reverse Proxy Result</h2>
<pre className="max-h-96 overflow-auto bg-slate-950 p-4 text-xs text-slate-50">{JSON.stringify(proxyResult, null, 2)}</pre>
</section>
)}
</section>
</main>
</div>
);
}
export default App;