content: {-# LANGUAGE OverloadedStrings #-}
  {-# LANGUAGE TemplateHaskell #-}
  
  module Faker.Provider.Blood where
  
  import Config
  import Control.Monad.Catch
  import Data.Monoid ((<>))
  import Data.Text (Text)
  import Data.Vector (Vector)
  import Data.Yaml
  import Faker
  import Faker.Internal
  import Faker.Provider.TH
  import Language.Haskell.TH
  import Control.Monad.IO.Class
  
  
  parseBlood :: FromJSON a => FakerSettings -> Value -> Parser a
  parseBlood settings (Object obj) = do
    en <- obj .: (getLocaleKey settings)
    faker <- en .: "faker"
    blood <- faker .: "blood"
    pure blood
  parseBlood settings val = fail $ "expected Object, but got " <> (show val)
  
  parseBloodField ::
       (FromJSON a, Monoid a) => FakerSettings -> AesonKey -> Value -> Parser a
  parseBloodField settings txt val = do
    blood <- parseBlood settings val
    field <- blood .:? txt .!= mempty
    pure field
  
  parseBloodFields ::
       (FromJSON a, Monoid a) => FakerSettings -> [AesonKey] -> Value -> Parser a
  parseBloodFields settings txts val = do
    blood <- parseBlood settings val
    helper blood txts
    where
      helper :: (FromJSON a) => Value -> [AesonKey] -> 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)
  
  parseUnresolvedBloodField ::
       (FromJSON a, Monoid a)
    => FakerSettings
    -> AesonKey
    -> Value
    -> Parser (Unresolved a)
  parseUnresolvedBloodField settings txt val = do
    blood <- parseBlood settings val
    field <- blood .:? txt .!= mempty
    pure $ pure field
  
  $(genParser "blood" "type")
  
  $(genProvider "blood" "type")
  
  $(genParser "blood" "rh_factor")
  
  $(genProvider "blood" "rh_factor")
  
  $(genParserUnresolved "blood" "group")
  
  $(genProviderUnresolved "blood" "group")
  
  resolveBloodText :: (MonadIO m, MonadThrow m) => FakerSettings -> AesonKey -> m Text
  resolveBloodText = genericResolver' resolveBloodField
  
  resolveBloodField ::
       (MonadThrow m, MonadIO m) => FakerSettings -> AesonKey -> m Text
  resolveBloodField settings field@"type" =
    cachedRandomVec "blood" field bloodTypeProvider settings
  resolveBloodField settings field@"rh_factor" =
    cachedRandomVec "blood" field bloodRhFactorProvider settings
  resolveBloodField settings str = throwM $ InvalidField "blood" str
  