import toast from 'react-hot-toast'

function checkStringForRejection(str: string) {
  return (
    str.includes('user rejected transaction') ||
    str.includes('User denied transaction')
  )
}

function checkStringForNotEnoughGas(str: string) {
  return str.includes('insufficient funds for gas')
}

export const txErrorHandler = (err: any) => {
  if (err?.details && checkStringForRejection(err?.details)) {
    return toast.error('User denied transaction', {
      id: 'toast-error-user-reject',
      duration: 5000,
    })
  } else if (err?.details && checkStringForNotEnoughGas(err?.details)) {
    return toast.error('Transaction reverted: not enough gas', {
      id: 'toast-error-not-enough-gas',
      duration: 5000,
    })
  } else if (
    err.code === 4001 ||
    (err?.message && checkStringForRejection(err?.message))
  ) {
    // EIP-1193 userRejectedRequest error
    return toast.error('User denied transaction', {
      id: 'toast-error-user-reject',
      duration: 5000,
    })
  } else if (err.code === -32603) {
    if (err.data?.code === -32000) {
      return (
        toast.error(
          <div>
            <div className="w-full">
              {`Insufficient gas to execute transaction `}
            </div>
          </div>
        ),
        {
          id: 'toast-error-not-enough-gas',
          duration: Infinity,
        }
      )
    }
  }

  return toast.error(err?.message, {
    id: 'toast-error',
    duration: 5000,
  })
}