#!/usr/bin/env bb

;; This Source Code Form is subject to the terms of the Mozilla Public
;; License, v. 2.0. If a copy of the MPL was not distributed with this
;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
;;
;; Copyright (c) UXBOX Labs SL

(ns build
  (:require
   [clojure.string :as str]
   [clojure.java.io :as io]
   [clojure.pprint :refer [pprint]]
   [babashka.fs :as fs]
   [babashka.process :refer [$ check]]))

(defn split-cp
  [data]
  (str/split data #":"))

(def classpath
  (->> ($ clojure -Spath)
       (check)
       (:out)
       (slurp)
       (split-cp)
       (map str/trim)))

(def classpath-jars
  (let [xfm (filter #(str/ends-with? % ".jar"))]
    (into #{} xfm classpath)))

(def classpath-paths
  (let [xfm (comp (remove #(str/ends-with? % ".jar"))
                  (filter #(.isDirectory (io/file %))))]
    (into #{} xfm classpath)))

(def version
  (or (first *command-line-args*) "%version%"))

;; Clean previous dist
(-> ($ rm -rf "./target/dist") check)

;; Create a new dist
(-> ($ mkdir -p "./target/dist/deps") check)

;; Copy all jar deps into dist
(run! (fn [item] (-> ($ cp ~item "./target/dist/deps/") check)) classpath-jars)

;; Create the application jar
(spit "./target/dist/version.txt" version)
(-> ($ jar cvf "./target/dist/deps/app.jar" -C ~(first classpath-paths) ".") check)
(-> ($ jar uvf "./target/dist/deps/app.jar" -C "./target/dist" "version.txt") check)
(run! (fn [item]
        (-> ($ jar uvf "./target/dist/deps/app.jar" -C ~item ".")  check))
      (rest classpath-paths))

;; Copy logging configuration
(-> ($ cp "./resources/log4j2.xml" "./target/dist/") check)

;; Create classpath file
(let [jars (->> (into ["app.jar"] classpath-jars)
                (map fs/file-name)
                (map #(fs/path "deps" %))
                (map str))]
  (spit "./target/dist/classpath" (str/join ":" jars)))

;; Copy run script template
(-> ($ cp "./scripts/run.template.sh" "./target/dist/run.sh") check)

;; Copy run script template
(-> ($ cp "./scripts/manage.template.sh" "./target/dist/manage.sh") check)

;; Add exec permisions to scripts.
(-> ($ chmod +x "./target/dist/run.sh") check)
(-> ($ chmod +x "./target/dist/manage.sh") check)

nil