module Devops
  module API2_0
    module Routes
      module ImageRoutes

        def self.registered(app)

          # Get devops images list
          #
          # * *Request*
          #   - method : GET
          #   - headers :
          #     - Accept: application/json
          #   - parameters:
          #     - provider=ec2|openstack -> return images for provider
          #
          # * *Returns* :
          #   [
          #     {
          #       "provider": "openstack",
          #       "name": "centos-6.4-x86_64",
          #       "remote_user": "root",
          #       "bootstrap_template": null,
          #       "id": "36dc7618-4178-4e29-be43-286fbfe90f50"
          #     }
          #   ]
          app.get_with_headers "/images", :headers => [:accept] do
            check_privileges("image", "r")
            json Devops::API2_0::Handler::Image.new(request).images.map(&:to_hash)
          end

          # Get raw images for :provider
          #
          # * *Request*
          #   - method : GET
          #   - headers :
          #     - Accept: application/json
          #
          # * *Returns* :
          #   - ec2
          #   [
          #     {
          #       "id": "ami-83e4bcea",
          #       "name": "amzn-ami-pv-2013.09.1.x86_64-ebs",
          #       "status": "available"
          #     }
          #   ]
          #   - openstack
          #   [
          #      {
          #       "id": "36dc7618-4178-4e29-be43-286fbfe90f50",
          #       "name": "centos-6.4-x86_64",
          #       "status": "ACTIVE"
          #     }
          #   ]
          app.get_with_headers "/images/provider/:provider", :headers => [:accept] do |provider|
            check_privileges("image", "r")
            check_provider(provider)
            json Devops::API2_0::Handler::Image.new(request).provider_images(provider)
          end

          # Create devops image
          #
          # * *Request*
          #   - method : POST
          #   - headers :
          #     - Accept: application/json
          #     - Content-Type: application/json
          #   - body :
          #     {
          #       "id": "image id",
          #       "provider": "image provider",
          #       "remote_user": "user", -> the ssh username
          #       "bootstrap_template": null, -> specific bootstrap template name or nil
          #       "name": "image name"
          #     }
          #
          # * *Returns* :
          #   201 - Created
          app.post_with_headers "/image", :headers => [:accept, :content_type] do
            check_privileges("image", "w")
            Devops::API2_0::Handler::Image.new(request).create_image()
            create_response "Created", nil, 201
          end

          hash = {}
          # Get devops image by id
          #
          # * *Request*
          #   - method : GET
          #   - headers :
          #     - Accept: application/json
          #
          # * *Returns* :
          #   {
          #     "provider": "openstack",
          #     "name": "centos-6.4-x86_64",
          #     "remote_user": "root",
          #     "bootstrap_template": null,
          #     "id": "36dc7618-4178-4e29-be43-286fbfe90f50"
          #   }
          hash["GET"] = lambda { |image_id|
            check_privileges("image", "r")
            json Devops::API2_0::Handler::Image.new(request).image(image_id)
          }

          # Update devops image
          #
          # * *Request*
          #   - method : PUT
          #   - headers :
          #     - Accept: application/json
          #     - Content-Type: application/json
          #   - body :
          #     {
          #       "id": "image id",
          #       "provider": "image provider",
          #       "remote_user": "user" -> the ssh username
          #       "bootstrap_template": null -> specific bootstrap template name or nil
          #       "name": "image name"
          #     }
          #
          # * *Returns* :
          #   200 - Updated
          hash["PUT"] = lambda {|image_id|
            check_privileges("image", "w")
            Devops::API2_0::Handler::Image.new(request).update_image(image_id)
            create_response("Image '#{image_id}' has been updated")
          }

          # Delete devops image
          #
          # * *Request*
          #   - method : DELETE
          #   - headers :
          #     - Accept: application/json
          #
          # * *Returns* :
          #   200 - Deleted
          hash["DELETE"] = lambda {|image_id|
            check_privileges("image", "w")
            Devops::API2_0::Handler::Image.new(request).delete_image(image_id)
            create_response("Image '#{image_id}' has been removed")
          }

          app.multi_routes "/image/:image_id", {}, hash

          puts "Image routes initialized"
        end

      end
    end
  end
end