require_dependency 'landable/api_controller'

module Landable
  module Api
    class TemplatesController < ApiController
      # filters
      before_filter :load_template, except: [:create, :index, :preview]

      # RESTful methods
      def create
        template = Template.new(template_params)
        template.save!

        respond_with template, status: :created, location: template_url(template)
      end

      def destroy
        @template.temp_author = current_author
        @template.try(:deactivate)

        respond_with @template
      end

      def index
        respond_with Template.all
      end

      def show
        respond_with @template
      end

      def update
        @template.update_attributes!(template_params)

        respond_with @template
      end

      # custom methods
      def publish
        @template.publish! author_id: current_author.id, notes: params[:notes], is_minor: !params[:is_minor].nil?

        respond_with @template
      end

      def reactivate
        @template.try(:reactivate)

        respond_with @template
      end

      # custom methods
      def preview
        template = Template.new(template_params)
        theme = Theme.most_used_on_pages

        page = Page.example(theme: theme, body: template.body)

        content = generate_preview_for(page)

        respond_to do |format|
          format.html do
            render text: content, layout: false, content_type: 'text/html'
          end

          format.json do
            render json: { template: { preview: content } }
          end
        end
      end

      private

      def template_params
        params.require(:template).permit(:id, :name, :body, :description, :thumbnail_url,
                                         :slug, :is_layout, :is_publishable, :category_id,
                                         audit_flags: [])
      end

      def load_template
        @template = Template.find(params[:id])
      end
    end
  end
end