{-# LANGUAGE OverloadedStrings #-}

{-|
Module      : Request
Description : Contains code for issuing http requests
-}

module Request where

import JSONTypes

import Network.Wreq
import qualified Network.Wreq as WR (Options)
import Control.Lens
import Data.Aeson
import qualified Data.Text as T

-- | Sends a request and unwraps the top level respone data structure
makeRequest :: (FromJSON a) => String -> WR.Options -> IO (Either T.Text a)
makeRequest url opts = do
  r <- asJSON =<< getWith opts url
  pure $ case (r ^. responseBody) of
    (JSONResponse "ok" _ (Just d)) -> Right d
    (JSONResponse _ m _)           -> Left m

-- | Requests a list of all movies
getMovies :: IO (Either T.Text JSONListMovies)
getMovies = makeRequest "https://yts.mx/api/v2/list_movies.json" 
  (defaults & param "limit" .~ ["50"])

-- | Requests a list of all movies matching a query term
queryMovies :: T.Text -> IO (Either T.Text JSONListMovies)
queryMovies q = makeRequest "https://yts.mx/api/v2/list_movies.json"
  (defaults & param "query_term" .~ [q]
            & param "limit" .~ ["50"])