ghatreh_user/src/utils/priceSocketState.ts

import { ref } from 'vue'

export const priceSocketConnected = ref(false)
export const priceWssEnabled = ref(false)

export type PriceStreamLifecycle = 'idle' | 'connecting' | 'open' | 'closed'

export const priceStreamLifecycle = ref<PriceStreamLifecycle>('idle')

export const priceStreamConnectingSince = ref(0)

/** آخرین رویداد list استریم */
export const priceStreamList = ref<Array<Record<string, unknown>>>([])

/** آخرین بدنهٔ tv/products که از SSE آمده */
export const priceStreamProducts = ref<Array<Record<string, unknown>>>([])

/** unix ساعت سرور از رویداد time استریم */
export const priceStreamServerUnix = ref(0)

const CONNECTING_POLL_AFTER_MS = 8000

export function shouldUsePricePolling(): boolean {
  if (!priceWssEnabled.value) {
    return true
  }

  if (priceStreamLifecycle.value === 'open') {
    return false
  }

  if (priceStreamLifecycle.value === 'connecting') {
    const since = priceStreamConnectingSince.value
    if (since > 0 && Date.now() - since >= CONNECTING_POLL_AFTER_MS) {
      return true
    }

    return false
  }

  return true
}