content: {-# LANGUAGE GeneralizedNewtypeDeriving #-}
  {-# LANGUAGE TemplateHaskell #-}
  {-# OPTIONS_GHC -Wno-orphans #-}
  -- Disabling to stop warnings on HasCallStack
  {-# OPTIONS_GHC -Wno-redundant-constraints #-}
  {-# OPTIONS_GHC -fprint-potential-instances #-}
  
  -- This file is part of the Wire Server implementation.
  --
  -- Copyright (C) 2022 Wire Swiss GmbH <opensource@wire.com>
  --
  -- This program is free software: you can redistribute it and/or modify it under
  -- the terms of the GNU Affero General Public License as published by the Free
  -- Software Foundation, either version 3 of the License, or (at your option) any
  -- later version.
  --
  -- This program is distributed in the hope that it will be useful, but WITHOUT
  -- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  -- FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
  -- details.
  --
  -- You should have received a copy of the GNU Affero General Public License along
  -- with this program. If not, see <https://www.gnu.org/licenses/>.
  
  module TestSetup
    ( IntegrationConfig (..),
      LegalHoldConfig (..),
      tsGConf,
      tsIConf,
      tsManager,
      tsUnversionedGalley,
      tsUnversionedBrig,
      tsCannon,
      tsAwsEnv,
      tsMaxConvSize,
      tsCass,
      tsFedGalleyClient,
      tsTeamEventWatcher,
      TestM (..),
      TestSetup (..),
      FedClient (..),
      runFedClient,
      GalleyR,
      BrigR,
      CannonR,
    )
  where
  
  import Bilge (Manager, MonadHttp (..), Request, withResponse)
  import Cassandra qualified as Cql
  import Control.Lens (makeLenses, view)
  import Control.Monad.Catch (MonadCatch, MonadMask, MonadThrow)
  import Data.Aeson
  import Data.ByteString.Conversion
  import Data.Domain
  import Data.Proxy
  import Data.Text qualified as Text
  import Galley.Aws qualified as Aws
  import Galley.Options (Opts)
  import Imports
  import Network.HTTP.Client qualified as HTTP
  import Proto.TeamEvents (TeamEvent)
  import Servant.Client
  import Servant.Client qualified as Servant
  import Servant.Client.Core qualified as Servant
  import Test.Tasty.HUnit
  import Util.Options
  import Util.Test.SQS qualified as SQS
  import Wire.API.Federation.API
  import Wire.API.Federation.Domain
  import Wire.API.Federation.Version
  import Wire.API.VersionInfo
  
  type GalleyR = Request -> Request
  
  type BrigR = Request -> Request
  
  type CannonR = Request -> Request
  
  data IntegrationConfig = IntegrationConfig
    -- internal endpoints
    { galley :: Endpoint,
      brig :: Endpoint,
      cannon :: Endpoint,
      provider :: LegalHoldConfig
    }
    deriving (Show, Generic)
  
  instance FromJSON IntegrationConfig
  
  -- FUTUREWORK: reduce duplication (copied from brig/Provider.hs)
  data LegalHoldConfig = LegalHoldConfig
    { privateKey :: FilePath,
      publicKey :: FilePath,
      cert :: FilePath,
      botHost :: Text
    }
    deriving (Show, Generic)
  
  instance FromJSON LegalHoldConfig
  
  newtype TestM a = TestM {runTestM :: ReaderT TestSetup IO a}
    deriving
      ( Functor,
        Applicative,
        Monad,
        MonadReader TestSetup,
        MonadIO,
        MonadCatch,
        MonadThrow,
        MonadMask,
        MonadUnliftIO,
        MonadFail
      )
  
  data FedClient (comp :: Component) = FedClient HTTP.Manager Endpoint
  
  data TestSetup = TestSetup
    { _tsGConf :: Opts,
      _tsIConf :: IntegrationConfig,
      _tsManager :: Manager,
      _tsUnversionedGalley :: GalleyR,
      _tsUnversionedBrig :: BrigR,
      _tsCannon :: CannonR,
      _tsAwsEnv :: Maybe Aws.Env,
      _tsMaxConvSize :: Word16,
      _tsCass :: Cql.ClientState,
      _tsFedGalleyClient :: FedClient 'Galley,
      _tsTeamEventWatcher :: Maybe (SQS.SQSWatcher TeamEvent)
    }
  
  makeLenses ''TestSetup
  
  instance MonadHttp TestM where
    handleRequestWithCont req handler = do
      manager <- view tsManager
      liftIO $ withResponse req manager handler
  
  instance VersionedMonad v ClientM where
    guardVersion _ = pure ()
  
  runFedClient ::
    forall name comp m api.
    ( HasUnsafeFedEndpoint comp api name,
      Servant.HasClient Servant.ClientM api,
      MonadIO m,
      HasCallStack
    ) =>
    FedClient comp ->
    Domain ->
    Servant.Client m api
  runFedClient (FedClient mgr ep) domain =
    Servant.hoistClient (Proxy @api) (servantClientMToHttp domain) $
      Servant.clientIn (Proxy @api) (Proxy @Servant.ClientM)
    where
      servantClientMToHttp :: Domain -> Servant.ClientM a -> m a
      servantClientMToHttp originDomain action = liftIO $ do
        let h = Text.unpack ep.host
            p = fromInteger $ toInteger ep.port
            baseUrl = Servant.BaseUrl Servant.Http h p "/federation"
            clientEnv = Servant.ClientEnv mgr baseUrl Nothing (makeClientRequest originDomain) id
        eitherRes <- Servant.runClientM action clientEnv
        case eitherRes of
          Right res -> pure res
          Left err -> assertFailure $ "Servant client failed with: " <> show err
  
      makeClientRequest :: Domain -> Servant.BaseUrl -> Servant.Request -> IO HTTP.Request
      makeClientRequest originDomain burl req = do
        req' <- Servant.defaultMakeClientRequest burl req
        pure
          req'
            { HTTP.requestHeaders =
                HTTP.requestHeaders req'
                  <> [ (originDomainHeaderName, toByteString' originDomain),
                       (versionHeader, toByteString' (versionInt (maxBound :: Version)))
                     ]
            }
  