module OpsManagerUiDrivers
  module Version17
    class OpsManagerDirector
      def initialize(browser:, iaas_configuration: Version17::BoshProductSections::IaasConfiguration.new(browser: browser))
        @browser = browser
        @iaas_configuration = iaas_configuration
      end

      def configure_bosh_product(test_settings)
        configure_iaas(test_settings)

        config_director(test_settings.ops_manager)

        add_availability_zones(test_settings.iaas_type, test_settings.ops_manager.availability_zones)

        add_networks(test_settings)

        assign_azs_and_networks(test_settings.iaas_type, test_settings.ops_manager.availability_zones, test_settings.ops_manager)

        customize_resource_config(test_settings.ops_manager.resource_config)

        configure_experimental_features(test_settings.ops_manager.experimental_features)
      end

      def configure_iaas(test_settings)
        iaas_settings = Settings.for(test_settings)
        iaas_specific_fields = iaas_settings.iaas_configuration_fields
        advanced_infrastructure_config_fields = iaas_settings.advanced_infrastructure_config_fields
        iaas_configuration.fill_iaas_settings(iaas_specific_fields)
        advanced_infrastructure_config.fill_advanced_infrastructure_config_settings(advanced_infrastructure_config_fields)
      end

      def add_availability_zones(iaas_type, iaas_availability_zones)
        case iaas_type
          when OpsManagerUiDrivers::AWS_IAAS_TYPE, OpsManagerUiDrivers::OPENSTACK_IAAS_TYPE
            return unless iaas_availability_zones
            availability_zones.add_single_az(iaas_availability_zones.first['iaas_identifier'])
          when OpsManagerUiDrivers::VSPHERE_IAAS_TYPE
            iaas_availability_zones && iaas_availability_zones.each do |az|
              availability_zones.add_az('name' => az['name'], 'cluster' => az['cluster'], 'resource_pool' => az['resource_pool'])
            end
        end
      end

      def add_networks(test_settings)
        iaas_networks = test_settings.ops_manager.networks

        iaas_networks && iaas_networks.each do |network|
          networks.add_network(
            name: network['name'],
            iaas_network_identifier: network['identifier'],
            subnet: network['subnet'],
            reserved_ip_ranges: network['reserved_ips'],
            dns: network['dns'],
            gateway: network['gateway'],
          )
        end
      end

      def delete_network(network_name)
        networks.delete_network(network_name)
      end

      def config_director(ops_manager)
        browser.click_on 'Director Config'
        browser.fill_in('director_configuration[ntp_servers_string]', with: ops_manager.ntp_servers)
        browser.check('Enable VM Resurrector Plugin') if ops_manager.resurrector_enabled

        s3_blobstore = ops_manager.s3_blobstore
        if s3_blobstore
          browser.choose('S3 Compatible Blobstore')
          browser.fill_in('director_configuration[s3_blobstore_options][endpoint]', with: s3_blobstore.endpoint)
          browser.fill_in('director_configuration[s3_blobstore_options][bucket_name]', with: s3_blobstore.bucket_name)
          browser.fill_in('director_configuration[s3_blobstore_options][access_key]', with: s3_blobstore.access_key_id)
          browser.fill_in('director_configuration[s3_blobstore_options][secret_key]', with: s3_blobstore.secret_access_key)
        end

        mysql = ops_manager.mysql
        if mysql
          browser.choose('External MySQL Database')
          browser.fill_in('director_configuration[external_database_options][host]', with: mysql.host)
          browser.fill_in('director_configuration[external_database_options][port]', with: mysql.port)
          browser.fill_in('director_configuration[external_database_options][user]', with: mysql.user)
          browser.fill_in('director_configuration[external_database_options][password]', with: mysql.password)
          browser.fill_in('director_configuration[external_database_options][database]', with: mysql.dbname)
        end

        browser.click_on 'Save'
      end

      def assign_azs_and_networks(iaas_type, iaas_availability_zones, ops_manager)
        case iaas_type
          when OpsManagerUiDrivers::AWS_IAAS_TYPE, OpsManagerUiDrivers::OPENSTACK_IAAS_TYPE
            browser.click_on 'Assign AZs and Networks'
            browser.select(ops_manager.networks[0]['name'], from: 'Network')
            browser.select(iaas_availability_zones.first['iaas_identifier'])
          when OpsManagerUiDrivers::VSPHERE_IAAS_TYPE
            browser.click_on 'Assign AZs and Networks'
            browser.select(ops_manager.networks[0]['name'], from: 'Network')
            browser.select(iaas_availability_zones.first['name'])
          when OpsManagerUiDrivers::VCLOUD_IAAS_TYPE
            browser.click_on 'Assign Networks'
            browser.select(ops_manager.networks[0]['name'], from: 'Network')
        end
        browser.click_on 'Save'
      end

      def customize_resource_config(resource_config)
        browser.click_on 'Resource Config'
        if resource_config
          browser.fill_in('product_resources_form[director][persistent_disk][value]', with: resource_config.persistent_disk)
        end
      end

      def configure_vm_passwords(use_generated_passwords: true)
        browser.click_on 'Security'
        if use_generated_passwords
          browser.choose('Generate passwords')
        else
          browser.choose('Use default BOSH password')
        end
        browser.click_on 'Save'
        browser.poll_up_to_times(20) { browser.assert_text('Settings updated') }
      end

      # WARNING: these features are experimental and may change or disappear in later versions of opsman
      def configure_experimental_features(experimental_features)
        browser.click_on 'Experimental Features'

        trusted_certificates = experimental_features ? experimental_features.trusted_certificates : ''

        browser.fill_in('experimental_features[trusted_certificates]', with: trusted_certificates)
      end

      private

      attr_reader :browser, :iaas_configuration


      def availability_zones
        @availability_zones ||= Version17::BoshProductSections::AvailabilityZones.new(browser: browser)
      end

      def networks
        @networks ||= Version17::BoshProductSections::Networks.new(browser: browser)
      end

      def advanced_infrastructure_config
        @advanced_infrastructure_config ||= Version17::BoshProductSections::AdvancedInfrastructureConfig.new(browser: browser)
      end
    end
  end
end