{-
Copyright (C) 2022 Yuchen Pei.

This file is part of fsd.

fsd is free software: you can redistribute it and/or modify it under
the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

fsd is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General
Public License for more details.

You should have received a copy of the GNU Affero General Public
License along with fsd.  If not, see <https://www.gnu.org/licenses/>.

-}

{-# LANGUAGE ImportQualifiedPost #-}
module FSD.PackageInfo where

import Data.Generics
import Data.Maybe
import Data.Text qualified as T
import Data.Text (Text)
import Data.Char
import Data.Time
import FSD.Types

makePackageInfo ::
  Source ->
  Package ->
  Translation ->
  FSDChangeLogEntry ->
  Upstream ->
  Copyright ->
  IO (Maybe PackageInfo)
makePackageInfo source package trans change upstream copyright =
  if or
    [ sPackage source /= pPackage package,
      sPackage source /= tPackage trans,
      sPackage source /= clPackage change,
      sPackage source /= uPackage upstream,
      sPackage source /= crPackage copyright,
      sVersion source /= pVersion package,
      sVersion source /= clVersion change
    ]
    then return Nothing
    else do
      time <- getCurrentTime
      return $
        Just
          PackageInfo
            { piPackage = sPackage source,
              piVersion = sVersion source,
              piTimestamp = time,
              piFile = sFile source,
              piHomepage = orElse (sHomepage source) (pHomepage package),
              piTags = unTags $ pTags package,
              piShortDesc = tShortDesc trans,
              piFullDesc = tFullDesc trans,
              piUpstreamName = uName upstream,
              piContacts = uContacts upstream,
              piSources = unSources $ uSources upstream,
              piLicenses = crLicenses copyright,
              piCLAuthor = clAuthor change,
              piCLTimestamp = clTimestamp change
            }