Trestle.resource(:users) do
  menu do
    item :users, icon: "fa fa-user", priority: 1
  end

  form do |item|
    concat Trestle::Form::Automatic.new(admin).render(self, item)
    
    text_area :objective
  end

  # Customize the table columns shown on the index view.
  table do
    column :name
    column :created_at, align: :center
    actions do |toolbar, instance, admin|
      toolbar.edit if admin && admin.actions.include?(:edit)
      toolbar.delete if admin && admin.actions.include?(:destroy)
      toolbar.link 'CV', instance, action: :generate, method: :get, style: :primary, icon: "fa fa-file-pdf", target: "_blank"
      toolbar.link 'CLS', instance, action: :generate_cls, method: :get, style: :secondary, icon: "fa", target: "_blank"
      toolbar.link 'JSON', instance, action: :generate_json, method: :get, style: :secondary, icon: "fa", target: "_blank"
    end
  end

  controller do
    def generate
      tex_content = generate_tex
      destination_dir = "#{Rails.root}/app/views/templates/awesome"
      `cd #{destination_dir} && make clean`
      File.open("#{destination_dir}/resume.tex", "w") do |f|
        f << tex_content
      end
      `cd #{destination_dir} && make resume.pdf`
      render file: "#{destination_dir}/resume.pdf", layout: false
    end

    def generate_cls
      tex_content = generate_tex
      destination_dir = "#{Rails.root}/app/views/templates/awesome"
      File.open("#{destination_dir}/resume.tex", "w") do |f|
        f << tex_content
      end
      render file: "#{destination_dir}/resume.tex", layout: false
    end

    def generate_json
      user = admin.find_instance(params)
      ac = ActionController::Base.new()
      json = ac.render_to_string(layout: false, template: "users/show", locals: { "@user": user } )
      render json: json, layout: false
    end

    def generate_tex(template: "resume")
      user = admin.find_instance(params)
      ac = ActionController::Base.new()
      ac.render_to_string(layout: false, template: "templates/awesome/#{template}", locals: { "@user": user } )
    end
  end

  routes do
    get :generate, on: :member
    get :generate_cls, on: :member
    get :generate_json, on: :member
  end
end