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## The licenses produced by this program are inspired by:
## Apache License (Version 2.0): https://www.apache.org/licenses/LICENSE-2.0
## Mozilla Public License (Version 2.0): https://www.mozilla.org/en-US/MPL/2.0/
## MIT/Expat License: https://opensource.org/licenses/MIT
## BSD licenses: https://en.wikipedia.org/wiki/BSD_licenses
## Commons Clause: https://commonsclause.com/
## Reciprocal Public License 1.5 (RPL-1.5): https://opensource.org/licenses/RPL-1.5
## The Parity Public License: https://licensezero.com/licenses/parity
## The Charity Public License: https://licensezero.com/licenses/charity
## Lerna black-list: https://github.com/lerna/lerna/pull/1616
## Common Public Attribution License Version 1.0 (CPAL-1.0): https://opensource.org/licenses/CPAL-1.0
## Eclipse Public License v2.0: https://www.eclipse.org/legal/epl-2.0/

(.module:
  [lux #*
   [ffi (#+ import:)]
   [program (#+ program:)]
   ["." debug]
   [abstract
    [monad (#+ do)]]
   [control
    [remember (#+ to_do)]
    ["." io (#+ IO) ("#\." monad)]
    ["." try (#+ Try)]
    ["." parser
     ["<.>" cli]
     ["<.>" json]]
    [security
     ["!" capability]]]
   [data
    ["." maybe]
    ["." text
     ["%" format (#+ format)]
     [encoding
      ["." utf8]]]
    [format
     ["." json]]]
   [world
    ["." file (#+ Path File)]]]
  ["." / #_
   ["#." input]
   ["#." output]])

(with_expansions [<expiry> "2022-04-01"]
  (to_do <expiry> "Replace _.work with _.covered_work or _.licensed_work")
  (to_do <expiry> "Create a short notice to add as a comment to each file in the _.work"))

(import: java/lang/String
  ["#::."
   (trim [] java/lang/String)])

(def: default_output_file "LICENSE")

(def: (success_message output)
  (-> Path Text)
  (format "Your license has been made!" text.new_line
          "Check the file " output "."))

(program: [{input (<cli>.named "--input" <cli>.any)}
           {output (parser.default ..default_output_file
                                   (<cli>.named "--output" <cli>.any))}]
  (do io.monad
    [?done (: (IO (Try Any))
              (do (try.with io.monad)
                [file (!.use (\ file.default file) [input])
                 blob (!.use (\ file content) [])
                 document (io\wrap (do {! try.monad}
                                     [raw_json (\ utf8.codec decode blob)
                                      json (|> raw_json
                                               (:coerce java/lang/String)
                                               java/lang/String::trim
                                               (:coerce Text)
                                               (\ json.codec decode))]
                                     (|> json
                                         (<json>.run /input.license)
                                         (\ ! map /output.license))))
                 output_file (: (IO (Try (File IO)))
                                (file.get_file io.monad file.default output))]
                (!.use (\ output_file over_write) (\ utf8.codec encode document))))]
    (wrap (debug.log! (case ?done
                        (#try.Success _)
                        (success_message output)

                        (#try.Failure message)
                        message)))))