import { useState } from 'react'
import { useNavigate } from 'react-router-dom'
export function HomePage() {
const [instanceId, setInstanceId] = useState('')
const navigate = useNavigate()
const handleSubmit = (e: React.FormEvent) => {
e.preventDefault()
const id = instanceId.trim()
if (id) navigate(`/trace/${encodeURIComponent(id)}`)
}
return (
<div className="home-page">
<h1>Execution Trace UI</h1>
<p>Enter a process instance ID to view its execution trace.</p>
<form onSubmit={handleSubmit}>
<input
type="text"
value={instanceId}
onChange={(e) => setInstanceId(e.target.value)}
placeholder="e.g. abc12345-..."
aria-label="Instance ID"
/>
<button type="submit">View Trace</button>
</form>
</div>
)
}