{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE TypeApplications #-}
{-# LANGUAGE TypeOperators #-}
module Telegram.Bot.API.Methods.SendMessage where

import Data.Aeson (FromJSON (..), ToJSON (..))
import Data.Proxy
import Data.Text
import GHC.Generics (Generic)
import Servant.API
import Servant.Client hiding (Response)

import Telegram.Bot.API.Internal.Utils
import Telegram.Bot.API.MakingRequests
import Telegram.Bot.API.Types
import Telegram.Bot.API.Types.ParseMode
import Telegram.Bot.API.Types.SomeReplyMarkup
import Telegram.Bot.API.Internal.TH

-- ** 'sendMessage'

type SendMessage
  = "sendMessage" :> ReqBody '[JSON] SendMessageRequest :> Post '[JSON] (Response Message)

-- | Use this method to send text messages.
-- On success, the sent 'Message' is returned.
sendMessage :: SendMessageRequest -> ClientM (Response Message)
sendMessage = client (Proxy @SendMessage)

-- | Request parameters for 'sendMessage'.
data SendMessageRequest = SendMessageRequest
  { sendMessageChatId                :: SomeChatId -- ^ Unique identifier for the target chat or username of the target channel (in the format @\@channelusername@).
  , sendMessageMessageThreadId       :: Maybe MessageThreadId -- ^ Unique identifier for the target message thread (topic) of the forum; for forum supergroups only.
  , sendMessageText                  :: Text -- ^ Text of the message to be sent.
  , sendMessageParseMode             :: Maybe ParseMode -- ^ Send 'MarkdownV2', 'HTML' or 'Markdown' (legacy), if you want Telegram apps to show bold, italic, fixed-width text or inline URLs in your bot's message.
  , sendMessageEntities              :: Maybe [MessageEntity] -- ^ A JSON-serialized list of special entities that appear in message text, which can be specified instead of /parse_mode/.
  , sendMessageDisableWebPagePreview :: Maybe Bool -- ^ Disables link previews for links in this message.
  , sendMessageDisableNotification   :: Maybe Bool -- ^ Sends the message silently. Users will receive a notification with no sound.
  , sendMessageProtectContent        :: Maybe Bool -- ^ Protects the contents of the sent message from forwarding and saving.
  , sendMessageReplyToMessageId      :: Maybe MessageId -- ^ If the message is a reply, ID of the original message.
  , sendMessageAllowSendingWithoutReply :: Maybe Bool -- ^ Pass 'True', if the message should be sent even if the specified replied-to message is not found.
  , sendMessageReplyMarkup           :: Maybe SomeReplyMarkup -- ^ Additional interface options. A JSON-serialized object for an inline keyboard, custom reply keyboard, instructions to remove reply keyboard or to force a reply from the user.
  } deriving (Generic)

instance ToJSON   SendMessageRequest where toJSON = gtoJSON
instance FromJSON SendMessageRequest where parseJSON = gparseJSON

makeDefault ''SendMessageRequest