# encoding: utf-8

module SimpleCaptcha
  class << self
    attr_accessor :always_pass
  end
  self.always_pass = Rails.env.test?
  autoload :Utils,             'simple_captcha/utils'

  autoload :ImageHelpers,      'simple_captcha/image'
  autoload :ViewHelper,        'simple_captcha/view'
  autoload :ControllerHelpers, 'simple_captcha/controller'

  autoload :FormBuilder,       'simple_captcha/form_builder'
  autoload :CustomFormBuilder, 'simple_captcha/formtastic'

  autoload :ModelHelpers,      'simple_captcha/model_helpers'

  if defined?(ActiveRecord)
    autoload :SimpleCaptchaData, 'simple_captcha/simple_captcha_data'
  elsif defined?(Sequel)
    autoload :SimpleCaptchaData, 'simple_captcha/simple_captcha_data_sequel'
  else
    autoload :SimpleCaptchaData,      'simple_captcha/simple_captcha_data_mongoid.rb'
  end


  autoload :Middleware,        'simple_captcha/middleware'

  mattr_accessor :image_size
  @@image_size = "100x28"

  mattr_accessor :length
  @@length = 5

  # 'embosed_silver',
  # 'simply_red',
  # 'simply_green',
  # 'simply_blue',
  # 'distorted_black',
  # 'all_black',
  # 'charcoal_grey',
  # 'almost_invisible'
  # 'random'
  mattr_accessor :image_style
  @@image_style = 'simply_blue'

  # 'low', 'medium', 'high', 'random'
  mattr_accessor :distortion
  @@distortion = 'low'

  # 'none', 'low', 'medium', 'high'
  mattr_accessor :implode
  @@implode = SimpleCaptcha::ImageHelpers::DEFAULT_IMPLODE

  # 'jquery', 'prototype'
  mattr_accessor :refresh_format
  @@refresh_format = :jquery

  # command path
  mattr_accessor :image_magick_path
  @@image_magick_path = ''

  # tmp directory
  mattr_accessor :tmp_path
  @@tmp_path = nil

  # additive noise
  mattr_accessor :noise
  @@noise = 0

  # used font
  mattr_accessor :font
  @@font = ''

  mattr_accessor :extra_response_headers
  @@extra_response_headers = {}

  mattr_accessor :partial_path
  @@partial_path = 'simple_captcha/simple_captcha'

  def self.add_image_style(name, params = [])
    SimpleCaptcha::ImageHelpers.image_styles.update(name.to_s => params)
  end

  def self.setup
    yield self
  end
end

require 'simple_captcha/engine' if defined?(Rails)