Nation.hs

{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE TemplateHaskell #-}

module Faker.Provider.Nation where

import Config
import Control.Monad.Catch
import Control.Monad.IO.Class
import Data.Map.Strict (Map)
import Data.Monoid ((<>))
import Data.Text (Text)
import Data.Vector (Vector)
import Data.Word (Word8)
import Data.Yaml
import Faker
import Faker.Internal
import Faker.Provider.TH
import Language.Haskell.TH

parseNation :: FromJSON a => FakerSettings -> Value -> Parser a
parseNation settings (Object obj) = do
  en <- obj .: (getLocale settings)
  faker <- en .: "faker"
  nation <- faker .: "nation"
  pure nation
parseNation settings val = fail $ "expected Object, but got " <> (show val)

parseNationField ::
     (FromJSON a, Monoid a) => FakerSettings -> Text -> Value -> Parser a
parseNationField settings txt val = do
  nation <- parseNation settings val
  field <- nation .:? txt .!= mempty
  pure field

parseNationFields ::
     (FromJSON a, Monoid a) => FakerSettings -> [Text] -> Value -> Parser a
parseNationFields settings txts val = do
  nation <- parseNation settings val
  helper nation txts
  where
    helper :: (FromJSON a) => Value -> [Text] -> Parser a
    helper a [] = parseJSON a
    helper (Object a) (x:xs) = do
      field <- a .: x
      helper field xs
    helper a (x:xs) = fail $ "expect Object, but got " <> (show a)

$(genParser "nation" "nationality")

$(genProvider "nation" "nationality")

$(genParser "nation" "language")

$(genProvider "nation" "language")

$(genParser "nation" "capital_city")

$(genProvider "nation" "capital_city")

parseNationFlagEmoji :: FakerSettings -> Value -> Parser (Vector (Vector Word8))
parseNationFlagEmoji settings = parseNationField settings "flag"

nationFlagEmojiProvider ::
     (MonadThrow m, MonadIO m) => FakerSettings -> m (Vector (Vector Word8))
nationFlagEmojiProvider settings =
  fetchData settings Nation parseNationFlagEmoji