require 'json'
require 'lib/stack_presets/factory'

module Devops
  module Version2_0
    module Handler
      class StackPreset

        def self.get_presets
          lambda {
            # check_privileges("stack_presets", "r")
            json Devops::StackPresetsFactory.list.map(&:to_hash)
          }
        end

        def self.get_preset
          lambda {
            # check_privileges("stack_presets", "r")
            json Devops::StackPresetsFactory.get(params['id']).to_hash
          }
        end

        def self.apply
          lambda {
            # check_privileges("stack_presets", "r")
            check_privileges('stack_template', 'w')

            attrs = create_object_from_json_body

            provider, stack_id, parameters = attrs.fetch('provider'), attrs.fetch('stack'), attrs.fetch('parameters')

            preset = Devops::StackPresetsFactory.get(attrs.fetch('id'))
            stack = preset.create_stack_from_preset(provider, stack_id, parameters)
            settings.mongo.stack_insert(stack)

            create_response 'Created', stack.to_hash, 201
          }
        end

      end
    end
  end
end