(.module:
  [lux #*
   ["_" test (#+ Test)]
   [abstract
    ["." monad (#+ do)]]
   [control
    ["." try (#+ Try) ("#\." functor)]
    ["." exception]
    [concurrency
     ["." promise (#+ Promise)]]
    [security
     ["!" capability]]
    [parser
     ["." environment (#+ Environment)]]]
   [data
    ["." maybe]
    ["." binary]
    ["." text ("#\." equivalence)
     ["%" format (#+ format)]
     ["." encoding]]
    [format
     ["." xml]]
    [collection
     ["." set (#+ Set)]]]
   [math
    ["." random (#+ Random)]]
   [world
    ["." file (#+ Path File)]
    ["." program (#+ Program)]
    [net
     ["." uri]]]]
  [//
   ["@." version]
   [//
    ["@." profile]
    ["@." artifact]]]
  {#program
   ["." /
    ["/#" // #_
     ["#." clean]
     ["/#" // #_
      ["#" profile]
      ["#." action]
      ["#." pom]
      ["#." local]
      ["#." artifact
       ["#/." extension]]
      ["#." repository #_
       ["#/." local]]]]]})

(def: (make_sources! fs sources)
  (-> (file.System Promise) (Set Path) (Promise (Try Any)))
  (loop [sources (set.to_list sources)]
    (case sources
      #.Nil
      (|> []
          (\ try.monad wrap)
          (\ promise.monad wrap))
      
      (#.Cons head tail)
      (do (try.with promise.monad)
        [_ (: (Promise (Try Path))
              (file.make_directories promise.monad fs head))
         _ (: (Promise (Try (File Promise)))
              (file.get_file promise.monad fs (format head (\ fs separator) head ".lux")))]
        (recur tail)))))

(def: (execute! program fs sample)
  (-> (Program Promise) (file.System Promise) ///.Profile (Promise (Try Text)))
  (do promise.monad
    [home (\ program home [])]
    (do ///action.monad
      [#let [console (@version.echo "")]
       _ (..make_sources! fs (get@ #///.sources sample))
       _ (/.do! console fs (///repository/local.repository program fs) sample)]
      (!.use (\ console read_line) []))))

(def: #export test
  Test
  (<| (_.covering /._)
      (do {! random.monad}
        [identity @artifact.random
         sample (\ ! map (set@ #///.identity (#.Some identity))
                   @profile.random)
         home (random.ascii/alpha 5)
         working_directory (random.ascii/alpha 5)]
        ($_ _.and
            (wrap (do {! promise.monad}
                    [#let [fs (file.mock (\ file.default separator))
                           program (program.async (program.mock environment.empty home working_directory))]
                     verdict (do ///action.monad
                               [logging (..execute! program fs sample)
                                #let [/ uri.separator
                                      artifact_path (format (///local.uri identity) / (///artifact.identity identity))
                                      library_path (format artifact_path ///artifact/extension.lux_library)
                                      pom_path (format artifact_path ///artifact/extension.pom)]

                                library_exists! (\ promise.monad map
                                                   exception.return
                                                   (file.file_exists? promise.monad fs library_path))
                                pom_exists! (\ promise.monad map
                                               exception.return
                                               (file.file_exists? promise.monad fs pom_path))]
                               (wrap (and (text\= //clean.success logging)
                                          library_exists!
                                          pom_exists!)))]
                    (_.cover' [/.do!]
                              (try.default false verdict))))
            (wrap (do {! promise.monad}
                    [#let [fs (file.mock (\ file.default separator))
                           program (program.async (program.mock environment.empty home working_directory))]
                     logging (..execute! program fs (set@ #///.identity #.None sample))]
                    (_.cover' [/.failure]
                              (|> logging
                                  (try\map (text\= /.failure))
                                  (try.default false)))))
            ))))