{-# LANGUAGE OverloadedStrings #-}

-- Core wallet functionality for Zenith
module Zenith.Core where

import Data.Aeson
import qualified Data.Text as T
import Network.HTTP.Client
import ZcashHaskell.Types
import ZcashHaskell.Utils

-- * Zebra Node interaction
-- | Checks the status of the `zebrad` node
checkZebra ::
     T.Text -- ^ Host where `zebrad` is available
  -> Int -- ^ Port where `zebrad` is available 
  -> IO (Maybe ZebraGetInfo)
checkZebra nodeHost nodePort = do
  res <- makeZebraCall nodeHost nodePort "getinfo" []
  let body = responseBody (res :: Response (RpcResponse ZebraGetInfo))
  return $ result body

-- | Checks the status of the Zcash blockchain
checkBlockChain ::
     T.Text -- ^ Host where `zebrad` is available
  -> Int -- ^ Port where `zebrad` is available
  -> IO (Maybe ZebraGetBlockChainInfo)
checkBlockChain nodeHost nodePort = do
  let f = makeZebraCall nodeHost nodePort
  result <$> (responseBody <$> f "getblockchaininfo" [])

-- | Generic RPC call function
connectZebra ::
     FromJSON a => T.Text -> Int -> T.Text -> [Data.Aeson.Value] -> IO (Maybe a)
connectZebra nodeHost nodePort m params = do
  res <- makeZebraCall nodeHost nodePort m params
  let body = responseBody res
  return $ result body