/** tasks.ls --- Ready-to-use parametrised build tasks
 *
 * Version: -:package.version:-
 *
 * Copyright (c) 2012 Quildreen Motta
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation files
 * (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */


## Module slake-build-utils.tasks ######################################

### == Dependencies ====================================================
{dirname} = require \path
glob      = require \glob .sync

{compile, build, minify, bundle:bundler} = require \./compile
{expand-macros}                          = require \./process
packaging                                = require \./packaging
fs                                       = require \./fs
log                                      = require \./logging


raise-failure = (error, stdout, stderr) ->
  if error
    error.message += "\n\nSTDOUT\n: #stdout\n\nSTDERR\n: #stderr\n----\n"
    throw error


### == Core implementation =============================================
compile-ls(source-dir, output-dir, options) =
  make = build source-dir, (file, source) -->
    fs.make (dirname "#outputDir/#file")
    source |> compile options.compile               \
           |> expand-macros options.environment     \
           |> fs.write (fs.as-js "#outputDir/#file")

  for file in glob '**/*.ls', cwd: source-dir => make file


bundle(output-dir, options, entries, name) =
  log.header "—› Generating browserify bundle `#name'."
  try
    fs.make output-dir
    production = bundler {} <<< options
    debugging  = bundler {} <<< options <<< {+debug}

    production entries .bundle! |> fs.write "#outputDir/#name.js"
                                |> minify options.minify
                                |> fs.write "#outputDir/#name.min.js"

    debugging entries .bundle!  |> fs.write "#outputDir/#name.dbg.js"
    console.log (log.green "—› Browserify bundle `#name' successfully generated.")
  catch e
    log.log-error \bundle, [name], e, "Failed to generate the browserify bundle `#name'.'"


pack(output-dir, filename, files, callback) =
  log.header "—› Generating package `#filename'."
  try
    fs.make output-dir
    packaging.targz {cwd: output-dir}, "#filename", files, ->
      raise-failure ...arguments
      console.log (log.green "—› Generated tar.gz for `#filename'.")
      packaging.zip {cwd: output-dir}, "#filename", files, ->
        raise-failure ...arguments
        console.log (log.green "—› Generated zip for `#filename'.")
        console.log (log.green "—› Package `#filename' successfully generated.")
        callback!
  catch e
    log.log-error \package, [filename], e, "Failed to generate packages for `#filename'."


### Exports ############################################################
module.exports = {
  compile-ls
  bundle
  pack
}