module Fog
  module ApplicationGateway
    class AzureRM
      # Gateway model class for Application Gateway Service
      class Gateway < Fog::Model
        identity :name
        attribute :id
        attribute :location
        attribute :resource_group
        attribute :provisioning_state
        attribute :sku_name
        attribute :sku_tier
        attribute :sku_capacity
        attribute :operational_state
        attribute :gateway_ip_configurations
        attribute :ssl_certificates
        attribute :frontend_ip_configurations
        attribute :frontend_ports
        attribute :probes
        attribute :backend_address_pools
        attribute :backend_http_settings_list
        attribute :http_listeners
        attribute :url_path_maps
        attribute :request_routing_rules
        attribute :tags

        def self.parse(gateway)
          hash = {}
          hash['name'] = gateway.name
          hash['id'] = gateway.id
          hash['location'] = gateway.location
          hash['resource_group'] = get_resource_group_from_id(gateway.id)
          hash['provisioning_state'] = gateway.provisioning_state
          unless gateway.sku.nil?
            hash['sku_name'] = gateway.sku.name
            hash['sku_tier'] = gateway.sku.tier
            hash['sku_capacity'] = gateway.sku.capacity
          end
          hash['operational_state'] = gateway.operational_state

          hash['gateway_ip_configurations'] = []
          gateway.gateway_ipconfigurations.each do |ip_configuration|
            gateway_ip_configuration = Fog::ApplicationGateway::AzureRM::IPConfiguration.new
            hash['gateway_ip_configurations'] << gateway_ip_configuration.merge_attributes(Fog::ApplicationGateway::AzureRM::IPConfiguration.parse(ip_configuration))
          end unless gateway.gateway_ipconfigurations.nil?

          hash['ssl_certificates'] = []
          gateway.ssl_certificates.each do |certificate|
            ssl_certificate = Fog::ApplicationGateway::AzureRM::SslCertificate.new
            hash['ssl_certificates'] << ssl_certificate.merge_attributes(Fog::ApplicationGateway::AzureRM::SslCertificate.parse(certificate))
          end unless gateway.ssl_certificates.nil?

          hash['frontend_ip_configurations'] = []
          gateway.frontend_ipconfigurations.each do |frontend_ip_config|
            frontend_ip_configuration = Fog::ApplicationGateway::AzureRM::FrontendIPConfiguration.new
            hash['frontend_ip_configurations'] << frontend_ip_configuration.merge_attributes(Fog::ApplicationGateway::AzureRM::FrontendIPConfiguration.parse(frontend_ip_config))
          end unless gateway.frontend_ipconfigurations.nil?

          hash['frontend_ports'] = []
          gateway.frontend_ports.each do |port|
            frontend_port = Fog::ApplicationGateway::AzureRM::FrontendPort.new
            hash['frontend_ports'] << frontend_port.merge_attributes(Fog::ApplicationGateway::AzureRM::FrontendPort.parse(port))
          end unless gateway.frontend_ports.nil?

          hash['probes'] = []
          gateway.probes.each do |probe|
            gateway_probe = Fog::ApplicationGateway::AzureRM::Probe.new
            hash['probes'] << gateway_probe.merge_attributes(Fog::ApplicationGateway::AzureRM::Probe.parse(probe))
          end unless gateway.probes.nil?

          hash['backend_address_pools'] = []
          gateway.backend_address_pools.each do |address|
            backend_address_pool = Fog::ApplicationGateway::AzureRM::BackendAddressPool.new
            hash['backend_address_pools'] << backend_address_pool.merge_attributes(Fog::ApplicationGateway::AzureRM::BackendAddressPool.parse(address))
          end unless gateway.backend_address_pools.nil?

          hash['backend_http_settings_list'] = []
          gateway.backend_http_settings_collection.each do |http_setting|
            backend_http_setting = Fog::ApplicationGateway::AzureRM::BackendHttpSetting.new
            hash['backend_http_settings_list'] << backend_http_setting.merge_attributes(Fog::ApplicationGateway::AzureRM::BackendHttpSetting.parse(http_setting))
          end unless gateway.backend_http_settings_collection.nil?

          hash['http_listeners'] = []
          gateway.http_listeners.each do |listener|
            http_listener = Fog::ApplicationGateway::AzureRM::HttpListener.new
            hash['http_listeners'] << http_listener.merge_attributes(Fog::ApplicationGateway::AzureRM::HttpListener.parse(listener))
          end unless gateway.http_listeners.nil?

          hash['url_path_maps'] = []
          gateway.url_path_maps.each do |map|
            url_path_map = Fog::ApplicationGateway::AzureRM::UrlPathMap.new
            hash['url_path_maps'] << url_path_map.merge_attributes(Fog::ApplicationGateway::AzureRM::UrlPathMap.parse(map))
          end unless gateway.url_path_maps.nil?

          hash['request_routing_rules'] = []
          gateway.request_routing_rules.each do |rule|
            request_routing_rule = Fog::ApplicationGateway::AzureRM::RequestRoutingRule.new
            hash['request_routing_rules'] << request_routing_rule.merge_attributes(Fog::ApplicationGateway::AzureRM::RequestRoutingRule.parse(rule))
          end unless gateway.request_routing_rules.nil?

          hash['tags'] = gateway.tags
          hash
        end

        def save
          requires :name, :location, :resource_group, :sku_name, :sku_tier, :sku_capacity, :gateway_ip_configurations, :frontend_ip_configurations, :frontend_ports, :backend_address_pools, :backend_http_settings_list, :http_listeners, :request_routing_rules

          validate_gateway_ip_configurations(gateway_ip_configurations) unless gateway_ip_configurations.nil?
          validate_ssl_certificates(ssl_certificates) unless ssl_certificates.nil?
          validate_frontend_ip_configurations(frontend_ip_configurations) unless frontend_ip_configurations.nil?
          validate_frontend_ports(frontend_ports) unless frontend_ports.nil?
          validate_probes(probes) unless probes.nil?
          validate_backend_address_pools(backend_address_pools) unless backend_address_pools.nil?
          validate_backend_http_settings_list(backend_http_settings_list) unless backend_http_settings_list.nil?
          validate_http_listeners(http_listeners) unless http_listeners.nil?
          validate_url_path_maps(url_path_maps) unless url_path_maps.nil?
          validate_request_routing_rules(request_routing_rules) unless request_routing_rules.nil?
          gateway = service.create_or_update_application_gateway(application_gateway_params)
          merge_attributes(Fog::ApplicationGateway::AzureRM::Gateway.parse(gateway))
        end

        def application_gateway_params
          {
            name: name,
            location: location,
            resource_group: resource_group,
            sku_name: sku_name,
            sku_tier: sku_tier,
            sku_capacity: sku_capacity,
            gateway_ip_configurations: gateway_ip_configurations,
            ssl_certificates: ssl_certificates,
            frontend_ip_configurations: frontend_ip_configurations,
            frontend_ports: frontend_ports,
            probes: probes,
            backend_address_pools: backend_address_pools,
            backend_http_settings_list: backend_http_settings_list,
            http_listeners: http_listeners,
            url_path_maps: url_path_maps,
            request_routing_rules: request_routing_rules,
            tags: tags
          }
        end

        def validate_gateway_ip_configurations(gateway_ip_configurations)
          if gateway_ip_configurations.is_a?(Array)
            if gateway_ip_configurations.any?
              gateway_ip_configurations.each do |gateway_ip_configuration|
                if gateway_ip_configuration.is_a?(Hash)
                  validate_gateway_ip_configuration_params(gateway_ip_configuration)
                else
                  raise(ArgumentError, ':gateway_ip_configurations must be an Array of Hashes')
                end
              end
            else
              raise(ArgumentError, ':gateway_ip_configurations must not be an empty Array')
            end
          else
            raise(ArgumentError, ':gateway_ip_configurations must be an Array')
          end
        end

        def validate_gateway_ip_configuration_params(gateway_ip_configuration)
          required_params = [
            :name,
            :subnet_id
          ]
          missing = required_params.select { |p| p unless gateway_ip_configuration.key?(p) }
          if missing.length == 1
            raise(ArgumentError, "#{missing.first} is required for this operation")
          elsif missing.any?
            raise(ArgumentError, "#{missing[0...-1].join(', ')} and #{missing[-1]} are required for this operation")
          end
        end

        def validate_ssl_certificates(ssl_certificates)
          if ssl_certificates.is_a?(Array)
            if ssl_certificates.any?
              ssl_certificates.each do |ssl_certificate|
                if ssl_certificate.is_a?(Hash)
                  validate_ssl_certificate_params(ssl_certificate)
                else
                  raise(ArgumentError, ':ssl_certificates must be an Array of Hashes')
                end
              end
            else
              raise(ArgumentError, ':ssl_certificates must not be an empty Array')
            end
          else
            raise(ArgumentError, ':ssl_certificates must be an Array')
          end
        end

        def validate_ssl_certificate_params(ssl_certificate)
          required_params = [
            :name,
            :data,
            :password,
            :public_cert_data
          ]
          missing = required_params.select { |p| p unless ssl_certificate.key?(p) }
          if missing.length == 1
            raise(ArgumentError, "#{missing.first} is required for this operation")
          elsif missing.any?
            raise(ArgumentError, "#{missing[0...-1].join(', ')} and #{missing[-1]} are required for this operation")
          end
        end

        def validate_frontend_ip_configurations(frontend_ip_configurations)
          if frontend_ip_configurations.is_a?(Array)
            if frontend_ip_configurations.any?
              frontend_ip_configurations.each do |frontend_ip_configuration|
                if frontend_ip_configuration.is_a?(Hash)
                  validate_frontend_ip_configuration_params(frontend_ip_configuration)
                else
                  raise(ArgumentError, ':frontend_ip_configurations must be an Array of Hashes')
                end
              end
            else
              raise(ArgumentError, ':frontend_ip_configurations must not be an empty Array')
            end
          else
            raise(ArgumentError, ':frontend_ip_configurations must be an Array')
          end
        end

        def validate_frontend_ip_configuration_params(frontend_ip_configuration)
          required_params = [
            :name
          ]
          missing = required_params.select { |p| p unless frontend_ip_configuration.key?(p) }
          if missing.length == 1
            raise(ArgumentError, "#{missing.first} is required for this operation")
          elsif missing.any?
            raise(ArgumentError, "#{missing[0...-1].join(', ')} and #{missing[-1]} are required for this operation")
          end
        end

        def validate_frontend_ports(frontend_ports)
          if frontend_ports.is_a?(Array)
            if frontend_ports.any?
              frontend_ports.each do |frontend_port|
                if frontend_port.is_a?(Hash)
                  validate_frontend_port_params(frontend_port)
                else
                  raise(ArgumentError, ':frontend_ports must be an Array of Hashes')
                end
              end
            else
              raise(ArgumentError, ':frontend_ports must not be an empty Array')
            end
          else
            raise(ArgumentError, ':frontend_ports must be an Array')
          end
        end

        def validate_frontend_port_params(frontend_port)
          required_params = [
            :name,
            :port
          ]
          missing = required_params.select { |p| p unless frontend_port.key?(p) }
          if missing.length == 1
            raise(ArgumentError, "#{missing.first} is required for this operation")
          elsif missing.any?
            raise(ArgumentError, "#{missing[0...-1].join(', ')} and #{missing[-1]} are required for this operation")
          end
        end

        def validate_probes(probes)
          if probes.is_a?(Array)
            if probes.any?
              probes.each do |probe|
                if probe.is_a?(Hash)
                  validate_probe_params(probe)
                else
                  raise(ArgumentError, ':probes must be an Array of Hashes')
                end
              end
            else
              raise(ArgumentError, ':probes must not be an empty Array')
            end
          else
            raise(ArgumentError, ':probes must be an Array')
          end
        end

        def validate_probe_params(probe)
          required_params = [
            :name,
            :protocol,
            :host,
            :path,
            :interval,
            :timeout,
            :unhealthy_threshold
          ]
          missing = required_params.select { |p| p unless probe.key?(p) }
          if missing.length == 1
            raise(ArgumentError, "#{missing.first} is required for this operation")
          elsif missing.any?
            raise(ArgumentError, "#{missing[0...-1].join(', ')} and #{missing[-1]} are required for this operation")
          end
        end

        def validate_backend_address_pools(backend_address_pools)
          if backend_address_pools.is_a?(Array)
            if backend_address_pools.any?
              backend_address_pools.each do |backend_address_pool|
                if backend_address_pool.is_a?(Hash)
                  validate_backend_address_pool_params(backend_address_pool)
                else
                  raise(ArgumentError, ':backend_address_pools must be an Array of Hashes')
                end
              end
            else
              raise(ArgumentError, ':backend_address_pools must not be an empty Array')
            end
          else
            raise(ArgumentError, ':backend_address_pools must be an Array')
          end
        end

        def validate_backend_address_pool_params(backend_address_pool)
          required_params = [
            :name,
            :ip_addresses
          ]
          missing = required_params.select { |p| p unless backend_address_pool.key?(p) }
          if missing.length == 1
            raise(ArgumentError, "#{missing.first} is required for this operation")
          elsif missing.any?
            raise(ArgumentError, "#{missing[0...-1].join(', ')} and #{missing[-1]} are required for this operation")
          end
        end

        def validate_backend_http_settings_list(backend_http_settings_list)
          if backend_http_settings_list.is_a?(Array)
            if backend_http_settings_list.any?
              backend_http_settings_list.each do |backend_http_settings|
                if backend_http_settings.is_a?(Hash)
                  validate_backend_http_settings_params(backend_http_settings)
                else
                  raise(ArgumentError, ':backend_http_settings_list must be an Array of Hashes')
                end
              end
            else
              raise(ArgumentError, ':backend_http_settings_list must not be an empty Array')
            end
          else
            raise(ArgumentError, ':backend_http_settings_list must be an Array')
          end
        end

        def validate_backend_http_settings_params(backend_http_settings)
          required_params = [
            :name,
            :port,
            :protocol,
            :cookie_based_affinity
          ]
          missing = required_params.select { |p| p unless backend_http_settings.key?(p) }
          if missing.length == 1
            raise(ArgumentError, "#{missing.first} is required for this operation")
          elsif missing.any?
            raise(ArgumentError, "#{missing[0...-1].join(', ')} and #{missing[-1]} are required for this operation")
          end
        end

        def validate_http_listeners(http_listeners)
          if http_listeners.is_a?(Array)
            if http_listeners.any?
              http_listeners.each do |http_listener|
                if http_listener.is_a?(Hash)
                  validate_http_listener_params(http_listener)
                else
                  raise(ArgumentError, ':http_listeners must be an Array of Hashes')
                end
              end
            else
              raise(ArgumentError, ':http_listeners must not be an empty Array')
            end
          else
            raise(ArgumentError, ':http_listeners must be an Array')
          end
        end

        def validate_http_listener_params(http_listener)
          required_params = [
            :name,
            :frontend_ip_config_id,
            :frontend_port_id,
            :protocol
          ]
          missing = required_params.select { |p| p unless http_listener.key?(p) }
          if missing.length == 1
            raise(ArgumentError, "#{missing.first} is required for this operation")
          elsif missing.any?
            raise(ArgumentError, "#{missing[0...-1].join(', ')} and #{missing[-1]} are required for this operation")
          end
        end

        def validate_url_path_maps(url_path_maps)
          if url_path_maps.is_a?(Array)
            if url_path_maps.any?
              url_path_maps.each do |url_path_map|
                if url_path_map.is_a?(Hash)
                  validate_url_path_map_params(url_path_map)
                else
                  raise(ArgumentError, ':url_path_maps must be an Array of Hashes')
                end
              end
            else
              raise(ArgumentError, ':url_path_maps must not be an empty Array')
            end
          else
            raise(ArgumentError, ':url_path_maps must be an Array')
          end
        end

        def validate_url_path_map_params(url_path_map)
          required_params = [
            :name,
            :default_backend_address_pool_id,
            :default_backend_http_settings_id,
            :path_rules
          ]
          missing = required_params.select { |p| p unless url_path_map.key?(p) }
          if missing.length == 1
            raise(ArgumentError, "#{missing.first} is required for this operation")
          elsif missing.any?
            raise(ArgumentError, "#{missing[0...-1].join(', ')} and #{missing[-1]} are required for this operation")
          end
        end

        def validate_request_routing_rules(request_routing_rules)
          if request_routing_rules.is_a?(Array)
            if request_routing_rules.any?
              request_routing_rules.each do |request_routing_rule|
                if request_routing_rule.is_a?(Hash)
                  validate_request_routing_rule_params(request_routing_rule)
                else
                  raise(ArgumentError, ':request_routing_rules must be an Array of Hashes')
                end
              end
            else
              raise(ArgumentError, ':request_routing_rules must not be an empty Array')
            end
          else
            raise(ArgumentError, ':request_routing_rules must be an Array')
          end
        end

        def validate_request_routing_rule_params(request_routing_rule)
          required_params = [
            :type,
            :http_listener_id
          ]
          missing = required_params.select { |p| p unless request_routing_rule.key?(p) }
          if missing.length == 1
            raise(ArgumentError, "#{missing.first} is required for this operation")
          elsif missing.any?
            raise(ArgumentError, "#{missing[0...-1].join(', ')} and #{missing[-1]} are required for this operation")
          end
        end

        def serialize_sub_resources(gateway_params)
          ip_configurations = []
          gateway_params[:gateway_ip_configurations].each do |ip_configuration|
            hash = {}
            ip_configuration.attributes.each { |key, value| hash[key] = value }
            ip_configurations << hash
          end
          gateway_params[:gateway_ip_configurations] = ip_configurations
          ssl_certificates = []
          gateway_params[:ssl_certificates].each do |ssl_certificate|
            hash = {}
            ssl_certificate.attributes.each { |key, value| hash[key] = value }
            ssl_certificates << hash
          end
          gateway_params[:ssl_certificates] = ssl_certificates
          frontend_ip_configurations = []
          gateway_params[:frontend_ip_configurations].each do |frontend_ip_configuration|
            hash = {}
            frontend_ip_configuration.attributes.each { |key, value| hash[key] = value }
            frontend_ip_configurations << hash
          end
          gateway_params[:frontend_ip_configurations] = frontend_ip_configurations
          frontend_ports = []
          gateway_params[:frontend_ports].each do |frontend_port|
            hash = {}
            frontend_port.attributes.each { |key, value| hash[key] = value }
            frontend_ports << hash
          end
          gateway_params[:frontend_ports] = frontend_ports
          probes = []
          gateway_params[:probes].each do |probe|
            hash = {}
            probe.attributes.each { |key, value| hash[key] = value }
            probes << hash
          end
          gateway_params[:probes] = probes
          backend_address_pools = []
          gateway_params[:backend_address_pools].each do |backend_address_pool|
            hash = {}
            backend_address_pool.attributes.each { |key, value| hash[key] = value }
            backend_address_pools << hash
          end
          gateway_params[:backend_address_pools] = backend_address_pools
          backend_address_ip_addresses = []
          gateway_params[:backend_address_pools].each do |backend_address_pool|
            backend_address_pool[:ip_addresses].each do |ip_address|
              hash = {}
              ip_address.instance_variables.each_with_object({}) { |instance_variable| hash[:ipAddress] = ip_address.instance_variable_get(instance_variable) }
              backend_address_ip_addresses << hash
            end
            backend_address_pool[:ip_addresses] = backend_address_ip_addresses
          end
          backend_http_settings_list = []
          gateway_params[:backend_http_settings_list].each do |backend_http_setting|
            hash = {}
            backend_http_setting.attributes.each { |key, value| hash[key] = value }
            backend_http_settings_list << hash
          end
          gateway_params[:backend_http_settings_list] = backend_http_settings_list
          http_listeners = []
          gateway_params[:http_listeners].each do |http_listener|
            hash = {}
            http_listener.attributes.each { |key, value| hash[key] = value }
            http_listeners << hash
          end
          gateway_params[:http_listeners] = http_listeners
          url_path_maps = []
          gateway_params[:url_path_maps].each do |url_path_map|
            hash = {}
            url_path_map.attributes.each { |key, value| hash[key] = value }
            url_path_maps << hash
          end
          gateway_params[:url_path_maps] = url_path_maps
          request_routing_rules = []
          gateway_params[:request_routing_rules].each do |request_routing_rule|
            hash = {}
            request_routing_rule.attributes.each { |key, value| hash[key] = value }
            request_routing_rules << hash
          end
          gateway_params[:request_routing_rules] = request_routing_rules
          gateway_params
        end

        def update_sku(sku_name, sku_capacity = nil)
          gateway_hash = serialize_sub_resources(application_gateway_params)
          gateway = service.update_sku_attributes(gateway_hash, sku_name, sku_capacity)
          merge_attributes(Fog::ApplicationGateway::AzureRM::Gateway.parse(gateway))
        end

        def update_gateway_ip_configuration(subnet_id)
          gateway_hash = serialize_sub_resources(application_gateway_params)
          gateway = service.update_subnet_id_in_gateway_ip_configuration(gateway_hash, subnet_id)
          merge_attributes(Fog::ApplicationGateway::AzureRM::Gateway.parse(gateway))
        end

        def add_ssl_certificate(ssl_certificate_obj)
          gateway_hash = serialize_sub_resources(application_gateway_params)
          gateway_hash[:ssl_certificates] << ssl_certificate_obj
          gateway = service.create_or_update_application_gateway(gateway_hash)
          merge_attributes(Fog::ApplicationGateway::AzureRM::Gateway.parse(gateway))
        end

        def remove_ssl_certificate(ssl_certificate_obj)
          gateway_hash = serialize_sub_resources(application_gateway_params)
          gateway_hash[:ssl_certificates].delete(ssl_certificate_obj)
          gateway = service.create_or_update_application_gateway(gateway_hash)
          merge_attributes(Fog::ApplicationGateway::AzureRM::Gateway.parse(gateway))
        end

        def add_frontend_port(frontend_port_obj)
          gateway_hash = serialize_sub_resources(application_gateway_params)
          gateway_hash[:frontend_ports] << frontend_port_obj
          gateway = service.create_or_update_application_gateway(gateway_hash)
          merge_attributes(Fog::ApplicationGateway::AzureRM::Gateway.parse(gateway))
        end

        def remove_frontend_port(frontend_port_obj)
          gateway_hash = serialize_sub_resources(application_gateway_params)
          gateway_hash[:frontend_ports].delete(frontend_port_obj)
          gateway = service.create_or_update_application_gateway(gateway_hash)
          merge_attributes(Fog::ApplicationGateway::AzureRM::Gateway.parse(gateway))
        end

        def add_probe(probe_obj)
          gateway_hash = serialize_sub_resources(application_gateway_params)
          gateway_hash[:probes] << probe_obj
          gateway = service.create_or_update_application_gateway(gateway_hash)
          merge_attributes(Fog::ApplicationGateway::AzureRM::Gateway.parse(gateway))
        end

        def remove_probe(probe_obj)
          gateway_hash = serialize_sub_resources(application_gateway_params)
          gateway_hash[:probes].delete(probe_obj)
          gateway = service.create_or_update_application_gateway(gateway_hash)
          merge_attributes(Fog::ApplicationGateway::AzureRM::Gateway.parse(gateway))
        end

        def start
          service.start_application_gateway(resource_group, name)
        end

        def stop
          service.stop_application_gateway(resource_group, name)
        end

        def destroy
          service.delete_application_gateway(resource_group, name)
        end
      end
    end
  end
end