{-# LANGUAGE QuasiQuotes #-}

module Network.OAuth2.Provider.Weibo where

import Data.Aeson
import Data.Map.Strict qualified as Map
import Data.Set qualified as Set
import Data.Text.Lazy (Text)
import GHC.Generics
import Network.OAuth.OAuth2
import Network.OAuth2.Experiment
import URI.ByteString.QQ

data Weibo = Weibo deriving (Eq, Show)

type instance IdpUserInfo Weibo = WeiboUID

defaultWeiboApp :: IdpApplication 'AuthorizationCode Weibo
defaultWeiboApp =
  AuthorizationCodeIdpApplication
    { idpAppName = "default-weibo-App"
    , idpAppClientId = ""
    , idpAppClientSecret = ""
    , idpAppScope = Set.empty
    , idpAppAuthorizeState = "CHANGE_ME"
    , idpAppAuthorizeExtraParams = Map.empty
    , idpAppRedirectUri = [uri|http://localhost|]
    , idpAppTokenRequestAuthenticationMethod = ClientSecretBasic
    , idp = defaultWeiboIdp
    }

defaultWeiboIdp :: Idp Weibo
defaultWeiboIdp =
  Idp
    { idpFetchUserInfo = authGetJSONWithAuthMethod @_ @(IdpUserInfo Weibo) AuthInRequestQuery
    , idpUserInfoEndpoint = [uri|https://api.weibo.com/2/account/get_uid.json|]
    , idpAuthorizeEndpoint = [uri|https://api.weibo.com/oauth2/authorize|]
    , idpTokenEndpoint = [uri|https://api.weibo.com/oauth2/access_token|]
    }

-- | http://open.weibo.com/wiki/2/users/show
data WeiboUser = WeiboUser
  { id :: Integer
  , name :: Text
  , screenName :: Text
  }
  deriving (Show, Generic)

newtype WeiboUID = WeiboUID {uid :: Integer}
  deriving (Show, Generic)

instance FromJSON WeiboUID

instance FromJSON WeiboUser where
  parseJSON = genericParseJSON defaultOptions {fieldLabelModifier = camelTo2 '_'}