module Coupdoeil
  class Engine < ::Rails::Engine
    isolate_namespace Coupdoeil
    config.eager_load_namespaces << Coupdoeil
    config.coupdoeil = ActiveSupport::OrderedOptions.new

    config.autoload_once_paths = %W(
      #{root}/app/controllers
      #{root}/app/controllers/concerns
      #{root}/app/helpers
      #{root}/app/models
      #{root}/app/models/concerns
    )

    # If you don't want to precompile Coupdoeil's assets (eg. because you're using webpack),
    # you can do this in an intiailzer:
    #
    # config.after_initialize do
    #   config.assets.precompile -= Coupdoeil::Engine::PRECOMPILE_ASSETS
    # end
    #
    # If you just want to remove specific css:
    #
    # config.after_initialize do
    #   config.assets.precompile -= %w[coupdoeil/popover-arrow.css]
    # end
    PRECOMPILE_ASSETS = %w[
      coupdoeil.js
      coupdoeil.min.js
      coupdoeil.min.js.map
      coupdoeil/popover.css
      coupdoeil/popover-arrow.css
      coupdoeil/popover-animation.css
    ]

    initializer "coupdoeil.assets" do
      if Rails.application.config.respond_to?(:assets)
        Rails.application.config.assets.precompile += PRECOMPILE_ASSETS
      end
    end

    initializer "coupdoeil.logger" do
      stdout_logger = ActiveSupport::Logger.new(STDOUT)
      stdout_logger.formatter = ::Logger::Formatter.new
      tagged_stdout_logger = ActiveSupport::TaggedLogging.new(stdout_logger)
      config.coupdoeil.logger = tagged_stdout_logger.tagged("Coupdoeil")
    end

    initializer "coupdoeil.helpers", before: :load_config_initializers do
      ActiveSupport.on_load(:action_controller_base) do
        helper Coupdoeil::Engine.helpers
      end
    end

    initializer "coupdoeil.view_paths" do
      config.to_prepare do
        views = Rails.application.config.paths["app/views"].existent
        views += Rails.application.config.paths.add("app/popovers").existent
        views += Rails.application.config.paths.add("app/popovers/layouts").existent
        Coupdoeil::Popover.prepend_view_path(views)
      end
    end

    initializer "coupdoeil.routes" do |app|
      app.routes.append do
        post "coupdoeil/popover", to: "coupdoeil/popovers#create"
      end
    end
  end
end