require "providers/provider_factory"
require "commands/image"
require "app/api2/parsers/image"
require_relative "request_handler"

module Devops
  module API2_0
    module Handler
      class Image < RequestHandler

        set_parser Devops::API2_0::Parser::ImageParser

        extend ImageCommands

        def images
          Devops::Db.connector.images(parser.images)
        end

        def provider_images provider
          Image.get_available_provider_images(Devops::Db.connector, provider)
        end

        def image id
          Devops::Db.connector.image(id)
        end

        def create_image
          Devops::Db.connector.image_insert parser.image
        end

        def update_image id
          Devops::Db.connector.image id
          obj = parser.image
          obj.id = id
          Devops::Db.connector.image_update obj
        end

        def delete_image id
          projects = Devops::Db.connector.projects_by_image id
          unless projects.empty?
            ar = []
            projects.each do |p|
              ar += p.deploy_envs.select{|e| e.respond_to?(:image)}.select{|e| e.image == id}.map{|e| "#{p.id}.#{e.identifier}"}
            end
            raise DependencyError.new "Deleting is forbidden: Image is used in #{ar.join(", ")}"
          end

          Devops::Db.connector.image_delete id
        end
      end
    end
  end
end