import { useEffect } from 'react'
import { useAccount } from 'wagmi'

import { useApplicationState } from '@/slices/application/hooks'
import { ApplicationState } from '@/slices/application/reducer'
import {
  updateLastConnectedAddress,
  updateLastConnectedTime,
  resetReduxCache,
} from '@/slices/application/actions'
import { useAppDispatch } from '@/store/hooks'
import { isValidAddress, getValidAddress } from '@/utils/isValidAddress'
import { getUnixTimeMinutesBeforeNow } from '@/utils/time'
import { resetTransactionsState } from '@/slices/transactions/actions'

export const useApplicationListener = () => {
  const dispatch = useAppDispatch()
  const { address } = useAccount()

  const { lastConnectedAddress, lastConnectedTimestamp }: ApplicationState =
    useApplicationState()

  /**
   * Record last connected address and timestamp into persisted state
   * Clear redux cache after 7 days
   */
  useEffect(() => {
    if (lastConnectedTimestamp) {
      const sevenDaysInSeconds = 7 * 24 * 60 * 60
      const sevenDaysAgo: number = getUnixTimeMinutesBeforeNow(10080)

      if (sevenDaysAgo - lastConnectedTimestamp > sevenDaysInSeconds) {
        console.log('reset cache from < 7 days stale')
        dispatch(resetReduxCache())
      }

      if (
        isValidAddress(lastConnectedAddress) &&
        getValidAddress(address) !== getValidAddress(lastConnectedAddress)
      ) {
        dispatch(resetTransactionsState())
      }

      dispatch(updateLastConnectedAddress(address))
      dispatch(updateLastConnectedTime(getUnixTimeMinutesBeforeNow(0)))
    } else {
      dispatch(updateLastConnectedTime(getUnixTimeMinutesBeforeNow(0)))
    }
  }, [address, lastConnectedAddress, lastConnectedTimestamp])

  return null
}