module TD.Data.BotCommand
  ( BotCommand(..)    
  , defaultBotCommand 
  ) where

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

data BotCommand
  = BotCommand -- ^ Represents a command supported by a bot
    { BotCommand -> Maybe Text
command     :: Maybe T.Text -- ^ Text of the bot command
    , BotCommand -> Maybe Text
description :: Maybe T.Text -- ^ Description of the bot command
    }
  deriving (BotCommand -> BotCommand -> Bool
(BotCommand -> BotCommand -> Bool)
-> (BotCommand -> BotCommand -> Bool) -> Eq BotCommand
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: BotCommand -> BotCommand -> Bool
== :: BotCommand -> BotCommand -> Bool
$c/= :: BotCommand -> BotCommand -> Bool
/= :: BotCommand -> BotCommand -> Bool
Eq, Int -> BotCommand -> ShowS
[BotCommand] -> ShowS
BotCommand -> String
(Int -> BotCommand -> ShowS)
-> (BotCommand -> String)
-> ([BotCommand] -> ShowS)
-> Show BotCommand
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Int -> BotCommand -> ShowS
showsPrec :: Int -> BotCommand -> ShowS
$cshow :: BotCommand -> String
show :: BotCommand -> String
$cshowList :: [BotCommand] -> ShowS
showList :: [BotCommand] -> ShowS
Show)

instance I.ShortShow BotCommand where
  shortShow :: BotCommand -> String
shortShow BotCommand
    { command :: BotCommand -> Maybe Text
command     = Maybe Text
command_
    , description :: BotCommand -> Maybe Text
description = Maybe Text
description_
    }
      = String
"BotCommand"
        String -> ShowS
forall a. [a] -> [a] -> [a]
++ [String] -> String
I.cc
        [ String
"command"     String -> Maybe Text -> String
forall a. ShortShow a => String -> Maybe a -> String
`I.p` Maybe Text
command_
        , String
"description" String -> Maybe Text -> String
forall a. ShortShow a => String -> Maybe a -> String
`I.p` Maybe Text
description_
        ]

instance AT.FromJSON BotCommand where
  parseJSON :: Value -> Parser BotCommand
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
"botCommand" -> Value -> Parser BotCommand
parseBotCommand Value
v
      String
_            -> Parser BotCommand
forall a. Monoid a => a
mempty
    
    where
      parseBotCommand :: A.Value -> AT.Parser BotCommand
      parseBotCommand :: Value -> Parser BotCommand
parseBotCommand = String
-> (Object -> Parser BotCommand) -> Value -> Parser BotCommand
forall a. String -> (Object -> Parser a) -> Value -> Parser a
A.withObject String
"BotCommand" ((Object -> Parser BotCommand) -> Value -> Parser BotCommand)
-> (Object -> Parser BotCommand) -> Value -> Parser BotCommand
forall a b. (a -> b) -> a -> b
$ \Object
o -> do
        Maybe Text
command_     <- Object
o Object -> Key -> Parser (Maybe Text)
forall a. FromJSON a => Object -> Key -> Parser (Maybe a)
A..:?  Key
"command"
        Maybe Text
description_ <- Object
o Object -> Key -> Parser (Maybe Text)
forall a. FromJSON a => Object -> Key -> Parser (Maybe a)
A..:?  Key
"description"
        BotCommand -> Parser BotCommand
forall a. a -> Parser a
forall (f :: * -> *) a. Applicative f => a -> f a
pure (BotCommand -> Parser BotCommand)
-> BotCommand -> Parser BotCommand
forall a b. (a -> b) -> a -> b
$ BotCommand
          { command :: Maybe Text
command     = Maybe Text
command_
          , description :: Maybe Text
description = Maybe Text
description_
          }
  parseJSON Value
_ = Parser BotCommand
forall a. Monoid a => a
mempty

instance AT.ToJSON BotCommand where
  toJSON :: BotCommand -> Value
toJSON BotCommand
    { command :: BotCommand -> Maybe Text
command     = Maybe Text
command_
    , description :: BotCommand -> Maybe Text
description = Maybe Text
description_
    }
      = [Pair] -> Value
A.object
        [ Key
"@type"       Key -> Value -> Pair
forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
forall v. ToJSON v => Key -> v -> Pair
A..= Text -> Value
AT.String Text
"botCommand"
        , Key
"command"     Key -> Maybe Text -> Pair
forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
forall v. ToJSON v => Key -> v -> Pair
A..= Maybe Text
command_
        , Key
"description" Key -> Maybe Text -> Pair
forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
forall v. ToJSON v => Key -> v -> Pair
A..= Maybe Text
description_
        ]

defaultBotCommand :: BotCommand
defaultBotCommand :: BotCommand
defaultBotCommand =
  BotCommand
    { command :: Maybe Text
command     = Maybe Text
forall a. Maybe a
Nothing
    , description :: Maybe Text
description = Maybe Text
forall a. Maybe a
Nothing
    }