module Main where

import Distribution.Simple
import Distribution.Simple.Program
import Distribution.Simple.Setup
import Distribution.Simple.LocalBuildInfo
import Distribution.Simple.Utils
import Distribution.PackageDescription
import Distribution.Text
import System.FilePath
import System.Directory

main = defaultMainWithHooks simpleUserHooks
        { hookedPrograms = [isccProgram]
        , postBuild = myPostBuild
        }

isccProgram = simpleProgram "ISCC"

myPostBuild _ flags pd lbi = do
        case lookupProgram isccProgram (withPrograms lbi) of
          Nothing -> warn verb $ "The INNO Setup compile ISCC was not found, skipping the " ++
                                 "creation of the windows setup executable."
          Just configuredProg -> do
                writeFile includeFilename $ "AppVerName=" ++ display (package pd) ++ "\n"
                rawSystemProgram verb configuredProg
                                ["/Odist","/F"++setupFilename,"setup.iss"]
                removeFile includeFilename
  where verb = fromFlag (buildVerbosity flags)
        setupFilename = display (pkgName (package pd)) ++
                        "-setup-" ++
                        display (pkgVersion (package pd))
        includeFilename = "dist" </> "setup-app-ver-name.iss"