module Devops
  module API2_0
    module Routes
      module StackPresetRoutes

        def self.registered(app)
          # Get list of available stack_template_presets
          #
          # * *Request*
          #   - method : GET
          #   - headers :
          #     - Accept: application/json
          #
          # * *Returns* : array of hashes
          #   [ {id: 'preset id', template_preset_body: 'long body'} ]
          #
          app.get_with_headers "/stack_presets", :headers => [:accept] do
            # check_privileges("stack_template_presets", "r")
            json Devops::API2_0::Handler::StackPreset.new(request).presets.map(&:to_hash)
          end

          # Get information about stack_template_preset
          #
          # * *Request*
          #   - method : GET
          #   - headers :
          #     - Accept: application/json
          #
          # * *Returns* : hash
          #   {id: 'preset id', template_preset_body: 'long body'}
          #
          app.get_with_headers "/stack_presets/:id", :headers => [:accept] do |id|
            # check_privileges("stack_template_presets", "r")
            json Devops::API2_0::Handler::StackPreset.new(request).preset(id).to_hash
          end

          # Build stack template from preset
          #
          # * *Request*
          #   - method : POST
          #   - headers :
          #     - Accept: application/json
          #   - params :
          #     - provider: string
          #     - stack_template_id: id of stack template to create
          #     - template_attrs: hash with template attributes
          #
          # TODO: not stack template, but stack itself
          #
          # * *Returns* : created stack template model
          #   {
          #     id: 'template id',
          #     provider: 'provider',
          #     template_body: 'long body'
          #   }
          #
          app.post_with_headers "/stack_presets/:id/apply", :headers => [:accept] do |id|
            # check_privileges("stack_template_presets", "r")
            check_privileges('stack_template', 'w')
            stack = Devops::API2_0::Handler::StackPreset.new(request).apply(id)
            create_response 'Created', stack.to_hash, 201
          end

          puts "Stack template presets routes initialized"
        end

      end
    end
  end
end