{-|
Module      : Gargantext.API.Dev
Description : 
Copyright   : (c) CNRS, 2017-Present
License     : AGPL + CECILL v3
Maintainer  : team@gargantext.org
Stability   : experimental
Portability : POSIX

-}

-- Use only for dev/repl
module Gargantext.API.Dev where

import Control.Exception (finally)
import Control.Monad (fail)
import Control.Monad.Reader (runReaderT)
import Gargantext.API.Admin.EnvTypes
import Gargantext.API.Admin.Settings
import Gargantext.API.Ngrams (saveNodeStory)
import Gargantext.API.Prelude
import Gargantext.Core.NodeStory
import Gargantext.Database.Prelude
import Gargantext.Prelude
import Gargantext.Prelude.Config (GargConfig(..), readConfig)
import qualified Gargantext.Prelude.Mail as Mail
import Servant
import System.IO (FilePath)

type IniPath  = FilePath
-------------------------------------------------------------------
withDevEnv :: IniPath -> (DevEnv -> IO a) -> IO a
withDevEnv iniPath k = do
  env <- newDevEnv
  k env -- `finally` cleanEnv env

  where
    newDevEnv = do
      cfg     <- readConfig         iniPath
      dbParam <- databaseParameters iniPath
      nodeStory_env <- readNodeStoryEnv (_gc_repofilepath cfg)
      pool    <- newPool            dbParam
      setts   <- devSettings devJwkFile
      mail    <- Mail.readConfig iniPath
      pure $ DevEnv
        { _dev_env_pool     = pool
        , _dev_env_nodeStory  = nodeStory_env
        , _dev_env_settings = setts
        , _dev_env_config   = cfg
        , _dev_env_mail      = mail
        }

-- | Run Cmd Sugar for the Repl (GHCI)
runCmdRepl :: Show err => Cmd'' DevEnv err a -> IO a
runCmdRepl f = withDevEnv "gargantext.ini" $ \env -> runCmdDev env f

runCmdReplServantErr :: Cmd'' DevEnv ServerError a -> IO a
runCmdReplServantErr = runCmdRepl

-- In particular this writes the repo file after running
-- the command.
-- This function is constrained to the DevEnv rather than
-- using HasConnectionPool and HasRepoVar.
runCmdDev :: (Show err) => DevEnv -> Cmd'' DevEnv err a -> IO a
runCmdDev env f =
  (either (fail . show) pure =<< runCmd env f)
    `finally`
  runReaderT saveNodeStory env

runCmdDevNoErr :: DevEnv -> Cmd' DevEnv () a -> IO a
runCmdDevNoErr = runCmdDev

runCmdDevServantErr :: DevEnv -> Cmd' DevEnv ServerError a -> IO a
runCmdDevServantErr = runCmdDev

runCmdReplEasy :: Cmd'' DevEnv GargError a -> IO a
runCmdReplEasy f = withDevEnv "gargantext.ini" $ \env -> runCmdDev env f