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

{-# LANGUAGE Arrows                 #-}
{-# LANGUAGE ConstraintKinds        #-}
{-# LANGUAGE FunctionalDependencies #-}
{-# LANGUAGE TemplateHaskell        #-}
{-# LANGUAGE TypeFamilies           #-}

module Gargantext.Database.Action.Node
  where

import Control.Lens (view)
import Data.Text qualified as T
import Gargantext.Core
import Gargantext.Core.Config (GargConfig(..), gc_frames, gc_frontend_config, mkProxyUrl, HasConfig(..))
import Gargantext.Core.Config.Types (FramesConfig(..), f_write_url, fc_microservices, MicroServicesSettings(..), SecretsConfig(..))
import Gargantext.Core.Types (Name)
import Gargantext.Database.Admin.Types.Hyperdata
import Gargantext.Database.Admin.Types.Hyperdata.Default
import Gargantext.Database.Admin.Types.Node
import Gargantext.Database.Prelude (DBCmd')
import Gargantext.Database.Query.Table.Node
import Gargantext.Database.Query.Table.Node.Error
import Gargantext.Database.Query.Table.Node.UpdateOpaleye (updateHyperdata)
import Gargantext.Prelude hiding (hash)
import Gargantext.Prelude.Crypto.Hash (hash)
import Servant.Client.Core.BaseUrl

------------------------------------------------------------------------
-- | TODO mk all others nodes
mkNodeWithParent :: (HasNodeError err, HasDBid NodeType)
                 => NodeType
                 -> Maybe ParentId
                 -> UserId
                 -> Name
                 -> DBCmd' env err [NodeId]
mkNodeWithParent NodeUser (Just pId) uid  _ = nodeError $ NodeCreationFailed $ UserParentAlreadyExists uid pId

------------------------------------------------------------------------
-- | MkNode, insert and eventually configure Hyperdata
mkNodeWithParent NodeUser Nothing uId name =
  insertNodesWithParentR Nothing [node NodeUser name defaultHyperdataUser Nothing uId]

mkNodeWithParent _ Nothing uId _ = nodeError $ NodeCreationFailed $ UserParentDoesNotExist uId
------------------------------------------------------------------------
mkNodeWithParent Notes i u n =
  mkNodeWithParent_ConfigureHyperdata Notes i u n

mkNodeWithParent Calc i u n =
  mkNodeWithParent_ConfigureHyperdata Calc i u n

mkNodeWithParent NodeFrameVisio i u n =
  mkNodeWithParent_ConfigureHyperdata NodeFrameVisio i u n

mkNodeWithParent NodeFrameNotebook i u n =
  mkNodeWithParent_ConfigureHyperdata NodeFrameNotebook i u n



mkNodeWithParent nt (Just pId) uId name  = (:[]) <$> insertNode nt (Just name) Nothing pId uId
-- mkNodeWithParent _ _ _ _ = errorWith "[G.D.A.Node.mkNodeWithParent] nees parent"


-- | Sugar to create a node, get its NodeId and update its Hyperdata after
mkNodeWithParent_ConfigureHyperdata :: (HasNodeError err, HasDBid NodeType)
                                    => NodeType
                                    -> Maybe ParentId
                                    -> UserId
                                    -> Name
                                    -> DBCmd' env err [NodeId]
mkNodeWithParent_ConfigureHyperdata Notes (Just i) uId name =
  mkNodeWithParent_ConfigureHyperdata' Notes (Just i) uId name

mkNodeWithParent_ConfigureHyperdata Calc (Just i) uId name =
  mkNodeWithParent_ConfigureHyperdata' Calc (Just i) uId name

mkNodeWithParent_ConfigureHyperdata NodeFrameVisio (Just i) uId name =
  mkNodeWithParent_ConfigureHyperdata' NodeFrameVisio (Just i) uId name

mkNodeWithParent_ConfigureHyperdata NodeFrameNotebook (Just i) uId name = (:[]) <$>
  insertNode NodeFrameNotebook  (Just "Notebook")
                                (Just $ DefaultFrameCode $ HyperdataFrame { _hf_base = "Codebook"
                                                                          , _hf_frame_id = name }) i uId

mkNodeWithParent_ConfigureHyperdata    _ _ _ _ = nodeError NotImplYet

-- | Creates the base URL for the notes microservices proxy, or defaults
-- to the notes microservice if the proxy has been disabled from the settings.
internalNotesProxy :: GargConfig -> T.Text
internalNotesProxy cfg
  | _msProxyEnabled (cfg ^. gc_frontend_config . fc_microservices) = T.pack $ showBaseUrl proxyUrl <> "/notes"
  | otherwise                  = cfg ^. gc_frames . f_write_url
  where
    proxyUrl = mkProxyUrl cfg

-- | Function not exposed
mkNodeWithParent_ConfigureHyperdata' :: (HasNodeError err, HasDBid NodeType)
                                     => NodeType
                                     -> Maybe ParentId
                                     -> UserId
                                     -> Name
                                     -> DBCmd' env err [NodeId]
mkNodeWithParent_ConfigureHyperdata' nt (Just i) uId name = do
  nodeId <- case nt of
     Notes -> insertNode Notes (Just name)   Nothing i uId
     Calc  -> insertNode Calc  (Just name)   Nothing i uId
     NodeFrameVisio -> insertNode NodeFrameVisio (Just name)   Nothing i uId
     _              -> nodeError NeedsConfiguration

  cfg <- view hasConfig
  u <- case nt of
        Notes -> pure $ internalNotesProxy cfg
        Calc  -> pure $ _f_calc_url $ _gc_frames cfg
        NodeFrameVisio -> pure $ _f_visio_url $ _gc_frames cfg
        _              -> nodeError NeedsConfiguration
  let
    s = _s_secret_key $ _gc_secrets cfg
    hd = HyperdataFrame u (hash $ s <> (show nodeId))
  _ <- updateHyperdata nodeId hd
  pure [nodeId]
mkNodeWithParent_ConfigureHyperdata' _ Nothing uId _ = nodeError $ NodeCreationFailed $ UserParentDoesNotExist uId
