content: {-# LANGUAGE DeriveGeneric #-}
  {-# LANGUAGE OverloadedStrings #-}
  {-# OPTIONS_GHC -fno-warn-unused-imports #-}
  
  {-
    Copyright 2020 The CodeWorld Authors. All rights reserved.
  
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at
  
        http://www.apache.org/licenses/LICENSE-2.0
  
    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
  -}
  module Model where
  
  import Control.Applicative
  import Control.Monad
  import Data.Aeson
  import Data.ByteString (ByteString)
  import Data.Text (Text)
  import GHC.Generics (Generic)
  import System.FilePath (FilePath)
  
  data Project = Project
    { projectName :: Text,
      projectSource :: Text,
      projectHistory :: Value
    }
  
  instance FromJSON Project where
    parseJSON (Object v) =
      Project <$> v .: "name" <*> v .: "source" <*> v .: "history"
    parseJSON _ = mzero
  
  instance ToJSON Project where
    toJSON p =
      object
        [ "name" .= projectName p,
          "source" .= projectSource p,
          "history" .= projectHistory p,
          "type" .= ("project" :: Text)
        ]
  
  data FileSystemEntryType = Dir | Proj deriving (Eq, Ord, Show)
  
  instance ToJSON FileSystemEntryType where
    toJSON Dir = Data.Aeson.String "directory"
    toJSON Proj = Data.Aeson.String "project"
  
  instance FromJSON FileSystemEntryType where
    parseJSON (Data.Aeson.String "directory") = return $ Dir
    parseJSON (Data.Aeson.String "project") = return $ Proj
    parseJSON _ = mzero
  
  data FileSystemEntry = FSEntry
    { fsEntryIndex :: Int,
      fsEntryName :: Text,
      fsEntryType :: FileSystemEntryType,
      fsEntryChildren :: Maybe [FileSystemEntry]
    }
    deriving (Generic, Eq, Ord, Show)
  
  fsEntryJSONOptions :: Options
  fsEntryJSONOptions =
    defaultOptions
      { fieldLabelModifier = \f -> case f of
          "fsEntryIndex" -> "index"
          "fsEntryName" -> "name"
          "fsEntryType" -> "type"
          "fsEntryChildren" -> "children"
          _ -> f,
        omitNothingFields = True
      }
  
  instance ToJSON FileSystemEntry where
    toJSON = genericToJSON fsEntryJSONOptions
  
  instance FromJSON FileSystemEntry where
    parseJSON = genericParseJSON fsEntryJSONOptions
  
  data CompileResult = CompileResult
    { compileHash :: Text,
      compileDeployHash :: Text
    }
  
  instance ToJSON CompileResult where
    toJSON cr =
      object ["hash" .= compileHash cr, "dhash" .= compileDeployHash cr]
  
  data Gallery = Gallery {galleryItems :: [GalleryItem]}
  
  data GalleryItem = GalleryItem
    { galleryItemName :: Text,
      galleryItemURL :: Text,
      galleryItemCode :: Maybe Text
    }
  
  instance ToJSON Gallery where
    toJSON g = object ["items" .= galleryItems g]
  
  instance ToJSON GalleryItem where
    toJSON item = case galleryItemCode item of
      Nothing -> object base
      Just code -> object (("code" .= code) : base)
      where
        base =
          [ "name" .= galleryItemName item,
            "url" .= galleryItemURL item
          ]
  