#= require require/require
#= require build
#= require ./jquery
# TODO Move this file outside the initializers folder

root = exports ? this

# if jQuery is already included in the default build, we need to load
# it and globalize it, because aurajs does not know we are using
# component.io loader and thinks jquery must be shipped within it
# TODO think in away to not use a global jquery
try
  root.jQuery = root.$ = require 'component-jquery'
catch e
  # jQuery was not included in the component build, soo the application will fallback to the
  # jquery builded in aurajs

# This may be included in build, and loaded before aurajs requires for them
# TODO also preload underscorejs
# TODO also preload eventemitter2
# TODO also preload require-jstext

  # TODO!! Try to improve requirejs and components require integrationod

# Little object class to merge component require and requirejs require
loader =
  shim: ->
    # Store loaders functions
    loader.loaders.component = require
    loader.loaders.requirejs = requirejs
    loader.activate.define   = root.define

    # Expand require fuction with requirejs configurations
    # so we can require without great problems
    loader.require.config  = requirejs.config
    loader.require.s       = requirejs.s

  initialize: ->
    extend = require 'segmentio-extend'
    extend loader.require, require

    # Override global require for ower one
    root.require = loader.require
    root.loader = loader

  # Resource loaders compatibility
  loaders:
    requirejs : null
    component : null
    discovered: null

  discover: (params...) ->

    if params[0] instanceof Array
      requirer = 'requirejs'
    else
      requirer = 'component'

    @activate (requirer) and requirer

  activate: (requirer) ->
    switch requirer
      when 'component'
        root.define = null
      when 'requirejs'
        root.define = @activate.define
      else
        false

    @loaders.discovered = @loaders[requirer]

    true

  require: (params...) ->
    using = loader.discover params...

    try

      module = loader.loaders.discovered.apply @, params

    catch e
      console.warn 'Failed to load \'', params[0], "' with #{using}: Error: '", e.message, '\'. Trying with requirejs.'
      loader.activate 'requirejs'
      module = loader.loaders.discovered.apply @, params unless module

    # Always let requirjs active by default
    loader.activate 'requirejs'

    module

loader.shim()
loader.initialize()