require 'picsolve_docker_builder/composer/requirements/context'
require 'picsolve_docker_builder/composer/requirements/postgres'
module PicsolveDockerBuilder
  module Composer
    # Requirements are enviromental dependencies for containers
    module Requirements
      def self.new(name, config, context)
        fail 'Requirement need to have parameter type' \
          unless config.key? 'type'
        object(config['type']).new(name, config, context)
      end

      def self.object(type)
        if type == 'postgres'
          Postgres
        else
          fail "Unknown requirement '#{type}'"
        end
      end
    end
  end
end