/**
 * SSEContext — provides SSE connection status throughout the component tree.
 * Mount <SSEProvider> once inside QueryClientProvider.
 */
import { createContext, useContext, type ReactNode } from 'react'
import { useRealtimeSync } from '../hooks/useRealtimeSync'
import type { SSEStatus } from '../hooks/useSSE'

interface SSEContextValue {
  sseStatus: SSEStatus
}

const SSEContext = createContext<SSEContextValue>({ sseStatus: 'connecting' })

export function SSEProvider({ children }: { children: ReactNode }) {
  const { sseStatus } = useRealtimeSync()
  return <SSEContext.Provider value={{ sseStatus }}>{children}</SSEContext.Provider>
}

/** Access the SSE connection status from any component. */
export function useSSEContext(): SSEContextValue {
  return useContext(SSEContext)
}