grunt.coffee

module.exports = (grunt) ->

  # Package
  # =======
  pkg = require './package.json'

  folders =
    src: 'mpg_src'
    dev: 'mpg'
    dist: 'mpg_dist'

  grunt.event.on 'watch', (action, filepath) ->
    console.log('Hello');

  # Configuration
  # =============
  grunt.initConfig

    # Package
    # -------
    pkg: pkg

    # Clean
    # -----
    clean:
      dev: folders.dev

    # Copy
    # ------
    copy:
      dev: 
        cwd: folders.src
        expand: true
        src: '**/*'
        dest: folders.dev

    # Watching for changes
    # --------------------
    watch:
      dev:
        files: 'mpg_src/**/*'
        tasks: ['copy:dev']
        options:
          reload: true
          interrupt: true
          spawn: false

    # # Compilation
    # # -----------
    # coffee:
    #   compile:
    #     files: [
    #       expand: true
    #       dest: 'temp/'
    #       cwd: 'src'
    #       src: '**/*.coffee'
    #       ext: '.js'
    #     ]

    # Module concatenation
    # --------------------
    # TODO: Remove this when uRequire hits 0.3
    # concat:
    #   universal:
    #     files: [
    #       dest: 'build/<%= pkg.name %>.js'
    #       src: modules
    #     ]

    # Minify
    # ------
    # uglify:
    #   universal:
    #     files:
    #       'build/chaplin.min.js': 'build/chaplin.js'

    # Compression
    # -----------
    # compress:
    #   files: [
    #     src: 'build/chaplin.min.js'
    #     dest: 'build/chaplin.min.js.gz'
    #   ]

  # Config
  # ============
  # On watch events, inject only the changed files into the config

    #grunt.config(['jshint', 'all', 'src'], [filepath]);

  # Dependencies
  # ============
  for name of pkg.devDependencies when name.substring(0, 6) is 'grunt-'
    grunt.loadNpmTasks name

  # Tasks
  # =====

  # Prepare
  # -------
  # grunt.registerTask 'prepare', [
  #   'clean'
  #   'bower'
  #   'clean:components'
  # ]

  # Build
  # -----

  # grunt.registerTask 'build', [
  #   'coffee:compile'
  #   'copy:universal'
  #   'concat:universal'
  #   'uglify'
  # ]

  # Lint
  # ----
  # grunt.registerTask 'lint', 'coffeelint'

  # Default
  # -------
  grunt.registerTask 'default', ['clean:dev', 'copy:dev']