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module Gargantext.Components.Nodes.Corpus.Document
  ( node
  ) where

import Gargantext.Prelude

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import DOM.Simple (document, querySelector)
import Data.Maybe (Maybe(..), isJust, maybe)
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import Data.Tuple.Nested ((/\))
import Gargantext.Components.Bootstrap as B
import Gargantext.Components.Document.API (loadData)
import Gargantext.Components.Document.Layout (layout)
import Gargantext.Components.Document.Types (LoadedData, DocPath)
import Gargantext.Config.REST (logRESTError)
import Gargantext.Hooks.Loader (useLoaderEffect)
import Gargantext.Hooks.Session (useSession)
import Gargantext.Types (CTabNgramType(..), ListId, NodeID, TabSubType(..), TabType(..))
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import Gargantext.Utils.Reactix as R2
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import Reactix as R
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type Props =
  ( listId    :: ListId
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  , mCorpusId :: Maybe NodeID
  , nodeId    :: NodeID
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  )
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here :: R2.Here
here = R2.here "Gargantext.Components.Nodes.Corpus.Document"
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node :: R2.Leaf ( key :: String | Props )
node = R2.leaf nodeCpt

nodeCpt :: R.Component ( key :: String | Props )
nodeCpt = here.component "node" cpt where
  cpt { listId
      , mCorpusId
      , nodeId
      } _ = do
    -- | States
    -- |
    session <- useSession

    state' /\ state <- R2.useBox' (Nothing :: Maybe LoadedData)

    -- | Computed
    -- |
    let
      tabType :: TabType
      tabType = TabDocument (TabNgramType CTabTerms)

      path :: DocPath
      path = { listIds: [listId], mCorpusId, nodeId, session, tabType }

    -- | Hooks
    -- |
    useLoaderEffect
      { errorHandler: logRESTError here "[documentLayoutWithKey]"
      , loader: loadData
      , path
      , state
      }

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    -- @XXX: reset "main-page__main-route" wrapper margin
    --       see Gargantext.Components.Router) (@TODO?)
    R.useLayoutEffect1 [] do
      let mEl = querySelector document ".main-page__main-route"
      -- Mount
      mEl >>= maybe R.nothing (flip R2.addClass ["p-0"])
      -- Unmount
      pure $
        mEl >>= maybe R.nothing (flip R2.removeClass ["p-0"])

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    -- | Render
    -- |
    pure $

      B.cloak
      { isDisplayed: isJust state'
      , idlingPhaseDuration: Just 150
      , cloakSlot:
          B.preloader
          {}

      , defaultSlot:
          R2.fromMaybe state' \loaded ->
            layout
            { loaded
            , path
            }
      }