admin / Synapse-Cortex

import { useState, type FormEvent } from 'react'
import { useNavigate } from 'react-router-dom'
import { authApi } from '../api/auth'
import { ApiError } from '../api/client'
import { useAuth } from '../auth/AuthContext'

export function MfaChallenge() {
  const [code, setCode] = useState('')
  const [error, setError] = useState<string | null>(null)
  const [submitting, setSubmitting] = useState(false)
  const navigate = useNavigate()
  const { refresh } = useAuth()

  const onSubmit = async (e: FormEvent) => {
    e.preventDefault()
    setError(null)
    setSubmitting(true)
    try {
      await authApi.loginMfa(code)
      await refresh()
      navigate('/')
    } catch (err) {
      setError(err instanceof ApiError ? err.message : 'Invalid or expired code.')
    } finally {
      setSubmitting(false)
    }
  }

  return (
    <div className="min-h-screen flex items-center justify-center bg-cortex-bg px-4">
      <div className="w-full max-w-sm border border-cortex-border bg-cortex-panel rounded-md p-8 glow-blue">
        <div className="flex flex-col items-center mb-6">
          <img src="/img/cortex-logo.webp" alt="Synapse-Cortex" className="h-20 mb-3" />
          <div className="text-[10px] text-accent-blue tracking-widest uppercase font-display">
            Two-Factor Verification
          </div>
        </div>

        {error && (
          <div className="mb-4 text-xs border border-accent-red/40 bg-accent-red/10 text-accent-red px-3 py-2 rounded">
            {error}
          </div>
        )}

        <form onSubmit={onSubmit} className="space-y-4">
          <input
            required
            autoFocus
            inputMode="numeric"
            maxLength={6}
            value={code}
            onChange={(e) => setCode(e.target.value.replace(/\D/g, ''))}
            className="w-full bg-cortex-panel2 border border-cortex-border rounded px-3 py-3 text-center font-mono text-2xl tracking-[0.5em] focus:outline-none focus:border-accent-blue"
          />
          <button
            type="submit"
            disabled={submitting}
            className="w-full bg-accent-blue text-cortex-bg font-display font-bold uppercase tracking-wider text-xs py-2.5 rounded hover:bg-accent-blue-bright transition disabled:opacity-50"
          >
            {submitting ? 'Verifying…' : 'Verify'}
          </button>
        </form>
      </div>
    </div>
  )
}