import { useState, useEffect, useRef } from 'react'
import { healthCheck } from '../lib/api'

export function useBridgeHealth() {
  const [isOnline, setIsOnline] = useState(null)
  const intervalRef = useRef(null)

  useEffect(() => {
    const check = async () => {
      setIsOnline(await healthCheck())
    }
    check()
    intervalRef.current = setInterval(check, 15000)
    return () => clearInterval(intervalRef.current)
  }, [])

  return isOnline
}