{-# LANGUAGE DeriveGeneric #-}
module Distribution.Client.Types.BuildResults (
    BuildOutcome,
    BuildOutcomes,
    BuildFailure (..),
    BuildResult (..),
    TestsResult (..),
    DocsResult (..),
) where

import Distribution.Client.Compat.Prelude
import Prelude ()

import Distribution.Types.InstalledPackageInfo (InstalledPackageInfo)
import Distribution.Types.PackageId            (PackageId)
import Distribution.Types.UnitId               (UnitId)

-- | A summary of the outcome for building a single package.
--
type BuildOutcome = Either BuildFailure BuildResult

-- | A summary of the outcome for building a whole set of packages.
--
type BuildOutcomes = Map UnitId BuildOutcome

data BuildFailure = PlanningFailed
                  | DependentFailed PackageId
                  | DownloadFailed  SomeException
                  | UnpackFailed    SomeException
                  | ConfigureFailed SomeException
                  | BuildFailed     SomeException
                  | TestsFailed     SomeException
                  | InstallFailed   SomeException
  deriving (Show, Typeable, Generic)

instance Exception BuildFailure

-- Note that the @Maybe InstalledPackageInfo@ is a slight hack: we only
-- the public library's 'InstalledPackageInfo' is stored here, even if
-- there were 'InstalledPackageInfo' from internal libraries.  This
-- 'InstalledPackageInfo' is not used anyway, so it makes no difference.
data BuildResult = BuildResult DocsResult TestsResult
                               (Maybe InstalledPackageInfo)
  deriving (Show, Generic)

data DocsResult  = DocsNotTried  | DocsFailed  | DocsOk
  deriving (Show, Generic, Typeable)
data TestsResult = TestsNotTried | TestsOk
  deriving (Show, Generic, Typeable)

instance Binary BuildFailure
instance Binary BuildResult
instance Binary DocsResult
instance Binary TestsResult

instance Structured BuildFailure
instance Structured BuildResult
instance Structured DocsResult
instance Structured TestsResult