module Devops
  module Model
    class StackBase < MongoModel

      attr_accessor :id, :project, :deploy_env, :stack_template, :cloud_stack_id, :provider, :parameters

      types id: {type: String, empty: false},
            provider: {type: String, empty: false},
            project: {type: String, empty: false},
            deploy_env: {type: String, empty: false},
            stack_template: {type: String, empty: false}
            # cloud_stack_id: {type: String, empty: true}
            # TODO: add parameters Hash

      def initialize attrs={}
        self.id = attrs['id']
        self.provider = attrs['provider']
        self.project = attrs['project']
        self.deploy_env = attrs['deploy_env']
        self.stack_template = attrs['stack_template']
        self.cloud_stack_id = attrs['cloud_stack_id']
        self.parameters = attrs['parameters']
        self
      end

      def to_hash_without_id
        {
          provider: provider,
          project: project,
          deploy_env: deploy_env,
          stack_template: stack_template,
          cloud_stack_id: cloud_stack_id,
          parameters: parameters
        }
      end


      # attrs should include:
      # - id (String)
      # - provider (String)
      # - deploy_env (String)
      # - stack_template (String)
      def self.create(attrs)
        model = new(attrs)
        model.create_stack_in_cloud!
        model
      end

      def self.build_from_bson(attrs)
        attrs['id'] = attrs["_id"]
        self.new(attrs)
      end

      def create_stack_in_cloud!
        raise 'override me'
      end

      def delete_stack_in_cloud!
        raise 'override me'
      end

      def template_body
        stack_template_model = DevopsService.mongo.stack_template(stack_template)
        stack_template_model.template_body
      end

    end
  end
end