{-# LANGUAGE GeneralizedNewtypeDeriving, UndecidableInstances, DeriveAnyClass #-}

module Model
  ( module Model
  , module Model.Types
  , module Cron.Types
  ) where

import Import.NoModel
import Database.Persist.Quasi
import Database.Persist.TH.Directory
-- import Data.Time
-- import Data.ByteString
import Model.Types hiding (_maxPoints, _passingPoints)
import Cron.Types

import Data.CaseInsensitive (original)
import Data.CaseInsensitive.Instances ()

import Settings.Cluster (ClusterSettingsKey)

import Text.Blaze (ToMarkup(..))

import Database.Persist.Sql (BackendKey(..))


type SqlBackendKey = BackendKey SqlBackend


-- You can define all of your database entities in the entities file.
-- You can find more information on persistent and how to declare entities
-- at:
-- http://www.yesodweb.com/book/persistent/
share [mkPersist sqlSettings, mkDeleteCascade sqlSettings, mkMigrate "migrateUniWorX", mkSave "currentModel"]
    $(persistDirectoryWith lowerCaseSettings "models")


submissionRatingDone :: Submission -> Bool
submissionRatingDone Submission{..} = isJust submissionRatingTime


deriving newtype instance ToJSONKey UserId
deriving newtype instance FromJSONKey UserId
deriving newtype instance ToJSONKey ExamOccurrenceId
deriving newtype instance FromJSONKey ExamOccurrenceId

-- ToMarkup and ToMessage instances for displaying selected database primary keys

instance ToMarkup (Key School) where
  toMarkup = toMarkup . unSchoolKey

instance ToMessage (Key School) where
  toMessage = original . unSchoolKey

instance ToMarkup (Key Term) where
  toMarkup = toMarkup . termToText . unTermKey

instance ToMessage (Key Term) where
  toMessage = termToText . unTermKey


instance HasFileReference CourseApplicationFile where
  newtype FileReferenceResidual CourseApplicationFile
    = CourseApplicationFileResidual { courseApplicationFileResidualApplication :: CourseApplicationId }
    deriving (Eq, Ord, Read, Show, Generic, Typeable)

  _FileReference
    = iso (\CourseApplicationFile{..} -> ( FileReference
                                           { fileReferenceTitle    = courseApplicationFileTitle
                                           , fileReferenceContent  = courseApplicationFileContent
                                           , fileReferenceModified = courseApplicationFileModified
                                           }
                                         , CourseApplicationFileResidual courseApplicationFileApplication
                                         )
          )
          (\( FileReference{..}
            , CourseApplicationFileResidual courseApplicationFileApplication
            ) -> CourseApplicationFile
                 { courseApplicationFileApplication
                 , courseApplicationFileTitle    = fileReferenceTitle
                 , courseApplicationFileContent  = fileReferenceContent
                 , courseApplicationFileModified = fileReferenceModified
                 }
          )

instance IsFileReference CourseApplicationFile where
  fileReferenceTitleField = CourseApplicationFileTitle
  fileReferenceContentField = CourseApplicationFileContent
  fileReferenceModifiedField = CourseApplicationFileModified

instance HasFileReference CourseAppInstructionFile where
  newtype FileReferenceResidual CourseAppInstructionFile
    = CourseAppInstructionFileResidual { courseAppInstructionFileResidualCourse :: CourseId }
    deriving (Eq, Ord, Read, Show, Generic, Typeable)

  _FileReference
    = iso (\CourseAppInstructionFile{..} -> ( FileReference
                                              { fileReferenceTitle    = courseAppInstructionFileTitle
                                              , fileReferenceContent  = courseAppInstructionFileContent
                                              , fileReferenceModified = courseAppInstructionFileModified
                                              }
                                            , CourseAppInstructionFileResidual courseAppInstructionFileCourse
                                            )
          )
          (\( FileReference{..}
            , CourseAppInstructionFileResidual courseAppInstructionFileCourse
            ) -> CourseAppInstructionFile
                 { courseAppInstructionFileCourse
                 , courseAppInstructionFileTitle    = fileReferenceTitle
                 , courseAppInstructionFileContent  = fileReferenceContent
                 , courseAppInstructionFileModified = fileReferenceModified
                 }
          )

instance IsFileReference CourseAppInstructionFile where
  fileReferenceTitleField = CourseAppInstructionFileTitle
  fileReferenceContentField = CourseAppInstructionFileContent
  fileReferenceModifiedField = CourseAppInstructionFileModified

instance HasFileReference SheetFile where
  data FileReferenceResidual SheetFile = SheetFileResidual
    { sheetFileResidualSheet :: SheetId
    , sheetFileResidualType :: SheetFileType
    } deriving (Eq, Ord, Read, Show, Generic, Typeable)

  _FileReference
    = iso (\SheetFile{..} -> ( FileReference
                               { fileReferenceTitle    = sheetFileTitle
                               , fileReferenceContent  = sheetFileContent
                               , fileReferenceModified = sheetFileModified
                               }
                             , SheetFileResidual
                               { sheetFileResidualSheet = sheetFileSheet
                               , sheetFileResidualType  = sheetFileType
                               }
                             )
          )
          (\( FileReference{..}
            , SheetFileResidual{..}
            ) -> SheetFile
                 { sheetFileSheet      = sheetFileResidualSheet
                 , sheetFileType       = sheetFileResidualType
                 , sheetFileTitle      = fileReferenceTitle
                 , sheetFileContent    = fileReferenceContent
                 , sheetFileModified   = fileReferenceModified
                 }
          )

instance IsFileReference SheetFile where
  fileReferenceTitleField    = SheetFileTitle
  fileReferenceContentField  = SheetFileContent
  fileReferenceModifiedField = SheetFileModified

instance HasFileReference PersonalisedSheetFile where
  data FileReferenceResidual PersonalisedSheetFile = PersonalisedSheetFileResidual
    { personalisedSheetFileResidualSheet :: SheetId
    , personalisedSheetFileResidualUser :: UserId
    , personalisedSheetFileResidualType :: SheetFileType
    } deriving (Eq, Ord, Read, Show, Generic, Typeable)

  _FileReference
    = iso (\PersonalisedSheetFile{..} -> ( FileReference
                               { fileReferenceTitle    = personalisedSheetFileTitle
                               , fileReferenceContent  = personalisedSheetFileContent
                               , fileReferenceModified = personalisedSheetFileModified
                               }
                             , PersonalisedSheetFileResidual
                               { personalisedSheetFileResidualSheet = personalisedSheetFileSheet
                               , personalisedSheetFileResidualUser  = personalisedSheetFileUser
                               , personalisedSheetFileResidualType  = personalisedSheetFileType
                               }
                             )
          )
          (\( FileReference{..}
            , PersonalisedSheetFileResidual{..}
            ) -> PersonalisedSheetFile
                 { personalisedSheetFileSheet      = personalisedSheetFileResidualSheet
                 , personalisedSheetFileUser       = personalisedSheetFileResidualUser
                 , personalisedSheetFileType       = personalisedSheetFileResidualType
                 , personalisedSheetFileTitle      = fileReferenceTitle
                 , personalisedSheetFileContent    = fileReferenceContent
                 , personalisedSheetFileModified   = fileReferenceModified
                 }
          )

instance IsFileReference PersonalisedSheetFile where
  fileReferenceTitleField    = PersonalisedSheetFileTitle
  fileReferenceContentField  = PersonalisedSheetFileContent
  fileReferenceModifiedField = PersonalisedSheetFileModified
 
instance HasFileReference SubmissionFile where
  data FileReferenceResidual SubmissionFile = SubmissionFileResidual
    { submissionFileResidualSubmission :: SubmissionId
    , submissionFileResidualIsUpdate
    , submissionFileResidualIsDeletion :: Bool
    } deriving (Eq, Ord, Read, Show, Generic, Typeable)

  _FileReference
    = iso (\SubmissionFile{..} -> ( FileReference
                                    { fileReferenceTitle    = submissionFileTitle
                                    , fileReferenceContent  = submissionFileContent
                                    , fileReferenceModified = submissionFileModified
                                    }
                                  , SubmissionFileResidual
                                    { submissionFileResidualSubmission = submissionFileSubmission
                                    , submissionFileResidualIsUpdate   = submissionFileIsUpdate
                                    , submissionFileResidualIsDeletion = submissionFileIsDeletion
                                    }
                                  )
          )
          (\( FileReference{..}
            , SubmissionFileResidual{..}
            ) -> SubmissionFile
                 { submissionFileSubmission = submissionFileResidualSubmission
                 , submissionFileIsUpdate   = submissionFileResidualIsUpdate
                 , submissionFileIsDeletion = submissionFileResidualIsDeletion
                 , submissionFileTitle      = fileReferenceTitle
                 , submissionFileContent    = fileReferenceContent
                 , submissionFileModified   = fileReferenceModified
                 }
          )

instance IsFileReference SubmissionFile where
  fileReferenceTitleField = SubmissionFileTitle
  fileReferenceContentField = SubmissionFileContent
  fileReferenceModifiedField = SubmissionFileModified

instance HasFileReference CourseNewsFile where
  newtype FileReferenceResidual CourseNewsFile
    = CourseNewsFileResidual { courseNewsFileResidualNews :: CourseNewsId }
    deriving (Eq, Ord, Read, Show, Generic, Typeable)

  _FileReference
    = iso (\CourseNewsFile{..} -> ( FileReference
                                    { fileReferenceTitle    = courseNewsFileTitle
                                    , fileReferenceContent  = courseNewsFileContent
                                    , fileReferenceModified = courseNewsFileModified
                                    }
                                  , CourseNewsFileResidual courseNewsFileNews
                                  )
          )
          (\( FileReference{..}
            , CourseNewsFileResidual courseNewsFileNews
            ) -> CourseNewsFile
                 { courseNewsFileNews
                 , courseNewsFileTitle    = fileReferenceTitle
                 , courseNewsFileContent  = fileReferenceContent
                 , courseNewsFileModified = fileReferenceModified
                 }
          )

instance IsFileReference CourseNewsFile where
  fileReferenceTitleField = CourseNewsFileTitle
  fileReferenceContentField = CourseNewsFileContent
  fileReferenceModifiedField = CourseNewsFileModified

instance HasFileReference MaterialFile where
  newtype FileReferenceResidual MaterialFile
    = MaterialFileResidual { materialFileResidualMaterial :: MaterialId }
    deriving (Eq, Ord, Read, Show, Generic, Typeable)

  _FileReference
    = iso (\MaterialFile{..} -> ( FileReference
                               { fileReferenceTitle    = materialFileTitle
                               , fileReferenceContent  = materialFileContent
                               , fileReferenceModified = materialFileModified
                               }
                             , MaterialFileResidual
                               { materialFileResidualMaterial = materialFileMaterial
                               }
                             )
          )
          (\( FileReference{..}
            , MaterialFileResidual{..}
            ) -> MaterialFile
                 { materialFileMaterial = materialFileResidualMaterial
                 , materialFileTitle    = fileReferenceTitle
                 , materialFileContent  = fileReferenceContent
                 , materialFileModified = fileReferenceModified
                 }
          )

instance IsFileReference MaterialFile where
  fileReferenceTitleField = MaterialFileTitle
  fileReferenceContentField = MaterialFileContent
  fileReferenceModifiedField = MaterialFileModified