require 'rails/generators/migration'

class Spud::ModuleGenerator < ::Rails::Generators::Base
  desc "Creates a new model, dashboard module, and frontend route"
  argument :module_name, :type => :string
  argument :attributes, :type => :array, :default => [], :banner => "field[:type][:index] field[:type][:index]"

  source_root File.expand_path('../templates', __FILE__)

  def create_module
    template "admin_controller.rb.erb", "app/controllers/admin/#{module_name_formatted}_controller.rb"
    template "controller.rb.erb", "app/controllers/#{module_name_formatted}_controller.rb"
  
    template "assets/module.js.erb", "app/assets/javascripts/#{module_name_formatted}.js"
    template "assets/admin/module.js.erb", "app/assets/javascripts/admin/#{module_name_formatted}.js"
    create_file "app/assets/stylesheets/admin/#{module_name_formatted}.css.scss", "// Place #{module_name} module styles here\n\n"
    template "views/admin/index.html.erb", "app/views/admin/#{module_name_formatted}/index.html.erb"
    template "views/admin/show.html.erb", "app/views/admin/#{module_name_formatted}/show.html.erb"
    template "views/admin/new.html.erb", "app/views/admin/#{module_name_formatted}/new.html.erb"
    template "views/admin/edit.html.erb", "app/views/admin/#{module_name_formatted}/edit.html.erb"
    template "views/admin/_form.html.erb", "app/views/admin/#{module_name_formatted}/_form.html.erb"
    template "views/frontend/index.html.erb", "app/views/#{module_name_formatted}/index.html.erb"
    template "views/frontend/show.html.erb", "app/views/#{module_name_formatted}/show.html.erb"
    environment("Spud::Core.config.admin_applications += [{:name => '#{module_name_formatted.humanize.titlecase}', :thumbnail => \"admin/module_icon.png\", :url => \"/admin/#{module_name_formatted}\"}]")
    create_routes
    invoke "model", [module_name_formatted.singularize] + attributes
  end

private

  def module_name_formatted
    module_name.pluralize.underscore
  end

  def create_routes
    route <<EOF
namespace :admin do
    resources :#{module_name_formatted}
  end
  resources :#{module_name_formatted}, :only => [:index, :show]
EOF
  end

  def field_for_attribute(type, name)
    case type
      when 'integer'
        "<%= f.number_field :#{name} %>"
      when 'text'
        "<%= f.text_area :#{name}, :rows => 4 %>"
      when 'boolean'
        "<%= f.check_box :#{name} %>"
      else
        "<%= f.text_field :#{name} %>"
    end
  end

  def application_name
    Rails.application.class.name.split('::').first.underscore
  end

  def attribute_names
    attributes.collect{ |att| att.split(':')[0] }
  end

end