-- | The generic channel type
module Calamity.Types.Model.Channel (
  Channel (..),
  Partial (PartialChannel),
  module Calamity.Types.Model.Channel.DM,
  module Calamity.Types.Model.Channel.Group,
  module Calamity.Types.Model.Channel.Guild,
  module Calamity.Types.Model.Channel.Attachment,
  module Calamity.Types.Model.Channel.Reaction,
  module Calamity.Types.Model.Channel.Webhook,
  module Calamity.Types.Model.Channel.Embed,
  module Calamity.Types.Model.Channel.ChannelType,
  module Calamity.Types.Model.Channel.Message,
) where

import Calamity.Internal.AesonThings
import Calamity.Types.Model.Channel.Attachment
import Calamity.Types.Model.Channel.ChannelType
import Calamity.Types.Model.Channel.DM
import Calamity.Types.Model.Channel.Embed
import Calamity.Types.Model.Channel.Group
import Calamity.Types.Model.Channel.Guild
import Calamity.Types.Model.Channel.Message
import Calamity.Types.Model.Channel.Reaction
import Calamity.Types.Model.Channel.Webhook
import Calamity.Types.Partial
import Calamity.Types.Snowflake

import Data.Aeson
import Data.Text (Text)
import GHC.Generics
import TextShow
import qualified TextShow.Generic as TSG

data Channel
  = DMChannel' DMChannel
  | GroupChannel' GroupChannel
  | GuildChannel' GuildChannel
  deriving (Show, Eq, Generic)
  deriving (TextShow) via TSG.FromGeneric Channel

instance HasID Channel Channel where
  getID (DMChannel' a) = getID a
  getID (GroupChannel' a) = getID a
  getID (GuildChannel' a) = getID a

instance FromJSON Channel where
  parseJSON = withObject "Channel" $ \v -> do
    type_ <- v .: "type"

    case type_ of
      GuildTextType -> GuildChannel' <$> parseJSON (Object v)
      GuildVoiceType -> GuildChannel' <$> parseJSON (Object v)
      GuildCategoryType -> GuildChannel' <$> parseJSON (Object v)
      DMType -> DMChannel' <$> parseJSON (Object v)
      GroupDMType -> GroupChannel' <$> parseJSON (Object v)

data instance Partial Channel = PartialChannel
  { id :: Snowflake Channel
  , name :: Text
  , type_ :: !ChannelType
  , parentID :: Maybe (Snowflake Category)
  }
  deriving (Show, Eq, Generic)
  deriving (TextShow) via TSG.FromGeneric (Partial Channel)
  deriving (ToJSON, FromJSON) via CalamityJSON (Partial Channel)
  deriving (HasID Channel) via HasIDField "id" (Partial Channel)