module TD.Data.WelcomeMessage
  (WelcomeMessage(..)) where

import qualified Data.Aeson as A
import qualified Data.Aeson.Types as AT
import qualified TD.Lib.Internal as I
import qualified TD.Data.MessageContent as MessageContent

data WelcomeMessage
  = WelcomeMessage -- ^ Describes a set up welcome message
    { WelcomeMessage -> Maybe Int
_id     :: Maybe Int                           -- ^ Welcome message identifier; unique for the chat to which the welcome message belongs
    , WelcomeMessage -> Maybe MessageContent
content :: Maybe MessageContent.MessageContent -- ^ Content of the welcome message
    }
  deriving (WelcomeMessage -> WelcomeMessage -> Bool
(WelcomeMessage -> WelcomeMessage -> Bool)
-> (WelcomeMessage -> WelcomeMessage -> Bool) -> Eq WelcomeMessage
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: WelcomeMessage -> WelcomeMessage -> Bool
== :: WelcomeMessage -> WelcomeMessage -> Bool
$c/= :: WelcomeMessage -> WelcomeMessage -> Bool
/= :: WelcomeMessage -> WelcomeMessage -> Bool
Eq, Int -> WelcomeMessage -> ShowS
[WelcomeMessage] -> ShowS
WelcomeMessage -> String
(Int -> WelcomeMessage -> ShowS)
-> (WelcomeMessage -> String)
-> ([WelcomeMessage] -> ShowS)
-> Show WelcomeMessage
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Int -> WelcomeMessage -> ShowS
showsPrec :: Int -> WelcomeMessage -> ShowS
$cshow :: WelcomeMessage -> String
show :: WelcomeMessage -> String
$cshowList :: [WelcomeMessage] -> ShowS
showList :: [WelcomeMessage] -> ShowS
Show)

instance I.ShortShow WelcomeMessage where
  shortShow :: WelcomeMessage -> String
shortShow WelcomeMessage
    { _id :: WelcomeMessage -> Maybe Int
_id     = Maybe Int
_id_
    , content :: WelcomeMessage -> Maybe MessageContent
content = Maybe MessageContent
content_
    }
      = String
"WelcomeMessage"
        String -> ShowS
forall a. [a] -> [a] -> [a]
++ [String] -> String
I.cc
        [ String
"_id"     String -> Maybe Int -> String
forall a. ShortShow a => String -> Maybe a -> String
`I.p` Maybe Int
_id_
        , String
"content" String -> Maybe MessageContent -> String
forall a. ShortShow a => String -> Maybe a -> String
`I.p` Maybe MessageContent
content_
        ]

instance AT.FromJSON WelcomeMessage where
  parseJSON :: Value -> Parser WelcomeMessage
parseJSON v :: Value
v@(AT.Object Object
obj) = do
    String
t <- Object
obj Object -> Key -> Parser String
forall a. FromJSON a => Object -> Key -> Parser a
A..: Key
"@type" :: AT.Parser String

    case String
t of
      String
"welcomeMessage" -> Value -> Parser WelcomeMessage
parseWelcomeMessage Value
v
      String
_                -> Parser WelcomeMessage
forall a. Monoid a => a
mempty
    
    where
      parseWelcomeMessage :: A.Value -> AT.Parser WelcomeMessage
      parseWelcomeMessage :: Value -> Parser WelcomeMessage
parseWelcomeMessage = String
-> (Object -> Parser WelcomeMessage)
-> Value
-> Parser WelcomeMessage
forall a. String -> (Object -> Parser a) -> Value -> Parser a
A.withObject String
"WelcomeMessage" ((Object -> Parser WelcomeMessage)
 -> Value -> Parser WelcomeMessage)
-> (Object -> Parser WelcomeMessage)
-> Value
-> Parser WelcomeMessage
forall a b. (a -> b) -> a -> b
$ \Object
o -> do
        Maybe Int
_id_     <- Object
o Object -> Key -> Parser (Maybe Int)
forall a. FromJSON a => Object -> Key -> Parser (Maybe a)
A..:?  Key
"id"
        Maybe MessageContent
content_ <- Object
o Object -> Key -> Parser (Maybe MessageContent)
forall a. FromJSON a => Object -> Key -> Parser (Maybe a)
A..:?  Key
"content"
        WelcomeMessage -> Parser WelcomeMessage
forall a. a -> Parser a
forall (f :: * -> *) a. Applicative f => a -> f a
pure (WelcomeMessage -> Parser WelcomeMessage)
-> WelcomeMessage -> Parser WelcomeMessage
forall a b. (a -> b) -> a -> b
$ WelcomeMessage
          { _id :: Maybe Int
_id     = Maybe Int
_id_
          , content :: Maybe MessageContent
content = Maybe MessageContent
content_
          }
  parseJSON Value
_ = Parser WelcomeMessage
forall a. Monoid a => a
mempty