// Copyright 2020 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package dockerswarm

import (
	"context"
	"fmt"
	"testing"

	"github.com/go-kit/kit/log"
	"github.com/prometheus/common/model"
	"github.com/prometheus/prometheus/util/testutil"
)

func TestDockerSwarmSDServicesRefresh(t *testing.T) {
	sdmock := NewSDMock(t, "swarmprom")
	sdmock.Setup()

	e := sdmock.Endpoint()
	cfg := DefaultSDConfig
	cfg.Host = e[:len(e)-1]

	d, err := NewDiscovery(&cfg, log.NewNopLogger())
	testutil.Ok(t, err)

	ctx := context.Background()
	tgs, err := d.refreshServices(ctx)
	testutil.Ok(t, err)

	testutil.Equals(t, 1, len(tgs))

	tg := tgs[0]
	testutil.Assert(t, tg != nil, "tg should not be nil")
	testutil.Assert(t, tg.Targets != nil, "tg.targets should not be nil")
	testutil.Equals(t, 10, len(tg.Targets))

	for i, lbls := range []model.LabelSet{
		{
			"__address__":                                                 model.LabelValue("10.0.0.7:9100"),
			"__meta_dockerswarm_network_id":                               model.LabelValue("qvwhwd6p61k4o0ulsknqb066z"),
			"__meta_dockerswarm_network_ingress":                          model.LabelValue("true"),
			"__meta_dockerswarm_network_internal":                         model.LabelValue("false"),
			"__meta_dockerswarm_network_name":                             model.LabelValue("ingress"),
			"__meta_dockerswarm_network_scope":                            model.LabelValue("swarm"),
			"__meta_dockerswarm_service_endpoint_port_name":               model.LabelValue(""),
			"__meta_dockerswarm_service_endpoint_port_publish_mode":       model.LabelValue("ingress"),
			"__meta_dockerswarm_service_id":                               model.LabelValue("3qvd7bwfptmoht16t1f7jllb6"),
			"__meta_dockerswarm_service_label_com_docker_stack_image":     model.LabelValue("stefanprodan/swarmprom-node-exporter:v0.16.0"),
			"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
			"__meta_dockerswarm_service_name":                             model.LabelValue("mon_node-exporter"),
			"__meta_dockerswarm_service_mode":                             model.LabelValue("global"),
			"__meta_dockerswarm_service_task_container_hostname":          model.LabelValue(""),
			"__meta_dockerswarm_service_task_container_image":             model.LabelValue("stefanprodan/swarmprom-node-exporter:v0.16.0@sha256:1d2518ec0501dd848e718bf008df37852b1448c862d6f256f2d39244975758d6"),
		},
		{
			"__address__":                                                 model.LabelValue("10.0.1.2:9100"),
			"__meta_dockerswarm_network_id":                               model.LabelValue("npq2closzy836m07eaq1425k3"),
			"__meta_dockerswarm_network_ingress":                          model.LabelValue("false"),
			"__meta_dockerswarm_network_internal":                         model.LabelValue("false"),
			"__meta_dockerswarm_network_label_com_docker_stack_namespace": model.LabelValue("mon"),
			"__meta_dockerswarm_network_name":                             model.LabelValue("mon_net"),
			"__meta_dockerswarm_network_scope":                            model.LabelValue("swarm"),
			"__meta_dockerswarm_service_endpoint_port_name":               model.LabelValue(""),
			"__meta_dockerswarm_service_endpoint_port_publish_mode":       model.LabelValue("ingress"),
			"__meta_dockerswarm_service_id":                               model.LabelValue("3qvd7bwfptmoht16t1f7jllb6"),
			"__meta_dockerswarm_service_label_com_docker_stack_image":     model.LabelValue("stefanprodan/swarmprom-node-exporter:v0.16.0"),
			"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
			"__meta_dockerswarm_service_name":                             model.LabelValue("mon_node-exporter"),
			"__meta_dockerswarm_service_mode":                             model.LabelValue("global"),
			"__meta_dockerswarm_service_task_container_hostname":          model.LabelValue(""),
			"__meta_dockerswarm_service_task_container_image":             model.LabelValue("stefanprodan/swarmprom-node-exporter:v0.16.0@sha256:1d2518ec0501dd848e718bf008df37852b1448c862d6f256f2d39244975758d6"),
		},
		{
			"__address__":                                                 model.LabelValue("10.0.0.13:9090"),
			"__meta_dockerswarm_network_id":                               model.LabelValue("qvwhwd6p61k4o0ulsknqb066z"),
			"__meta_dockerswarm_network_ingress":                          model.LabelValue("true"),
			"__meta_dockerswarm_network_internal":                         model.LabelValue("false"),
			"__meta_dockerswarm_network_name":                             model.LabelValue("ingress"),
			"__meta_dockerswarm_network_scope":                            model.LabelValue("swarm"),
			"__meta_dockerswarm_service_endpoint_port_name":               model.LabelValue(""),
			"__meta_dockerswarm_service_endpoint_port_publish_mode":       model.LabelValue("ingress"),
			"__meta_dockerswarm_service_id":                               model.LabelValue("tkv91uso46cck763aaqcb4rek"),
			"__meta_dockerswarm_service_label_com_docker_stack_image":     model.LabelValue("stefanprodan/caddy"),
			"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
			"__meta_dockerswarm_service_name":                             model.LabelValue("mon_caddy"),
			"__meta_dockerswarm_service_mode":                             model.LabelValue("replicated"),
			"__meta_dockerswarm_service_task_container_hostname":          model.LabelValue(""),
			"__meta_dockerswarm_service_task_container_image":             model.LabelValue("stefanprodan/caddy:latest@sha256:44541cfacb66f4799f81f17fcfb3cb757ccc8f327592745549f5930c42d115c9"),
		},
		{
			"__address__":                                                 model.LabelValue("10.0.1.15:9090"),
			"__meta_dockerswarm_network_id":                               model.LabelValue("npq2closzy836m07eaq1425k3"),
			"__meta_dockerswarm_network_ingress":                          model.LabelValue("false"),
			"__meta_dockerswarm_network_internal":                         model.LabelValue("false"),
			"__meta_dockerswarm_network_label_com_docker_stack_namespace": model.LabelValue("mon"),
			"__meta_dockerswarm_network_name":                             model.LabelValue("mon_net"),
			"__meta_dockerswarm_network_scope":                            model.LabelValue("swarm"),
			"__meta_dockerswarm_service_endpoint_port_name":               model.LabelValue(""),
			"__meta_dockerswarm_service_endpoint_port_publish_mode":       model.LabelValue("ingress"),
			"__meta_dockerswarm_service_id":                               model.LabelValue("tkv91uso46cck763aaqcb4rek"),
			"__meta_dockerswarm_service_label_com_docker_stack_image":     model.LabelValue("stefanprodan/caddy"),
			"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
			"__meta_dockerswarm_service_name":                             model.LabelValue("mon_caddy"),
			"__meta_dockerswarm_service_mode":                             model.LabelValue("replicated"),
			"__meta_dockerswarm_service_task_container_hostname":          model.LabelValue(""),
			"__meta_dockerswarm_service_task_container_image":             model.LabelValue("stefanprodan/caddy:latest@sha256:44541cfacb66f4799f81f17fcfb3cb757ccc8f327592745549f5930c42d115c9"),
		},
		{
			"__address__":                                                 model.LabelValue("10.0.0.13:9093"),
			"__meta_dockerswarm_network_id":                               model.LabelValue("qvwhwd6p61k4o0ulsknqb066z"),
			"__meta_dockerswarm_network_ingress":                          model.LabelValue("true"),
			"__meta_dockerswarm_network_internal":                         model.LabelValue("false"),
			"__meta_dockerswarm_network_name":                             model.LabelValue("ingress"),
			"__meta_dockerswarm_network_scope":                            model.LabelValue("swarm"),
			"__meta_dockerswarm_service_endpoint_port_name":               model.LabelValue(""),
			"__meta_dockerswarm_service_endpoint_port_publish_mode":       model.LabelValue("ingress"),
			"__meta_dockerswarm_service_id":                               model.LabelValue("tkv91uso46cck763aaqcb4rek"),
			"__meta_dockerswarm_service_label_com_docker_stack_image":     model.LabelValue("stefanprodan/caddy"),
			"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
			"__meta_dockerswarm_service_name":                             model.LabelValue("mon_caddy"),
			"__meta_dockerswarm_service_mode":                             model.LabelValue("replicated"),
			"__meta_dockerswarm_service_task_container_hostname":          model.LabelValue(""),
			"__meta_dockerswarm_service_task_container_image":             model.LabelValue("stefanprodan/caddy:latest@sha256:44541cfacb66f4799f81f17fcfb3cb757ccc8f327592745549f5930c42d115c9"),
		},
		{
			"__address__":                                                 model.LabelValue("10.0.1.15:9093"),
			"__meta_dockerswarm_network_id":                               model.LabelValue("npq2closzy836m07eaq1425k3"),
			"__meta_dockerswarm_network_ingress":                          model.LabelValue("false"),
			"__meta_dockerswarm_network_internal":                         model.LabelValue("false"),
			"__meta_dockerswarm_network_label_com_docker_stack_namespace": model.LabelValue("mon"),
			"__meta_dockerswarm_network_name":                             model.LabelValue("mon_net"),
			"__meta_dockerswarm_network_scope":                            model.LabelValue("swarm"),
			"__meta_dockerswarm_service_endpoint_port_name":               model.LabelValue(""),
			"__meta_dockerswarm_service_endpoint_port_publish_mode":       model.LabelValue("ingress"),
			"__meta_dockerswarm_service_id":                               model.LabelValue("tkv91uso46cck763aaqcb4rek"),
			"__meta_dockerswarm_service_label_com_docker_stack_image":     model.LabelValue("stefanprodan/caddy"),
			"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
			"__meta_dockerswarm_service_name":                             model.LabelValue("mon_caddy"),
			"__meta_dockerswarm_service_mode":                             model.LabelValue("replicated"),
			"__meta_dockerswarm_service_task_container_hostname":          model.LabelValue(""),
			"__meta_dockerswarm_service_task_container_image":             model.LabelValue("stefanprodan/caddy:latest@sha256:44541cfacb66f4799f81f17fcfb3cb757ccc8f327592745549f5930c42d115c9"),
		},
		{
			"__address__":                                                 model.LabelValue("10.0.0.13:9094"),
			"__meta_dockerswarm_network_id":                               model.LabelValue("qvwhwd6p61k4o0ulsknqb066z"),
			"__meta_dockerswarm_network_ingress":                          model.LabelValue("true"),
			"__meta_dockerswarm_network_internal":                         model.LabelValue("false"),
			"__meta_dockerswarm_network_name":                             model.LabelValue("ingress"),
			"__meta_dockerswarm_network_scope":                            model.LabelValue("swarm"),
			"__meta_dockerswarm_service_endpoint_port_name":               model.LabelValue(""),
			"__meta_dockerswarm_service_endpoint_port_publish_mode":       model.LabelValue("ingress"),
			"__meta_dockerswarm_service_id":                               model.LabelValue("tkv91uso46cck763aaqcb4rek"),
			"__meta_dockerswarm_service_label_com_docker_stack_image":     model.LabelValue("stefanprodan/caddy"),
			"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
			"__meta_dockerswarm_service_name":                             model.LabelValue("mon_caddy"),
			"__meta_dockerswarm_service_mode":                             model.LabelValue("replicated"),
			"__meta_dockerswarm_service_task_container_hostname":          model.LabelValue(""),
			"__meta_dockerswarm_service_task_container_image":             model.LabelValue("stefanprodan/caddy:latest@sha256:44541cfacb66f4799f81f17fcfb3cb757ccc8f327592745549f5930c42d115c9"),
		},
		{
			"__address__":                                                 model.LabelValue("10.0.1.15:9094"),
			"__meta_dockerswarm_network_id":                               model.LabelValue("npq2closzy836m07eaq1425k3"),
			"__meta_dockerswarm_network_ingress":                          model.LabelValue("false"),
			"__meta_dockerswarm_network_internal":                         model.LabelValue("false"),
			"__meta_dockerswarm_network_label_com_docker_stack_namespace": model.LabelValue("mon"),
			"__meta_dockerswarm_network_name":                             model.LabelValue("mon_net"),
			"__meta_dockerswarm_network_scope":                            model.LabelValue("swarm"),
			"__meta_dockerswarm_service_endpoint_port_name":               model.LabelValue(""),
			"__meta_dockerswarm_service_endpoint_port_publish_mode":       model.LabelValue("ingress"),
			"__meta_dockerswarm_service_id":                               model.LabelValue("tkv91uso46cck763aaqcb4rek"),
			"__meta_dockerswarm_service_label_com_docker_stack_image":     model.LabelValue("stefanprodan/caddy"),
			"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
			"__meta_dockerswarm_service_name":                             model.LabelValue("mon_caddy"),
			"__meta_dockerswarm_service_mode":                             model.LabelValue("replicated"),
			"__meta_dockerswarm_service_task_container_hostname":          model.LabelValue(""),
			"__meta_dockerswarm_service_task_container_image":             model.LabelValue("stefanprodan/caddy:latest@sha256:44541cfacb66f4799f81f17fcfb3cb757ccc8f327592745549f5930c42d115c9"),
		},
		{
			"__address__":                                                 model.LabelValue("10.0.0.15:3000"),
			"__meta_dockerswarm_network_id":                               model.LabelValue("qvwhwd6p61k4o0ulsknqb066z"),
			"__meta_dockerswarm_network_ingress":                          model.LabelValue("true"),
			"__meta_dockerswarm_network_internal":                         model.LabelValue("false"),
			"__meta_dockerswarm_network_name":                             model.LabelValue("ingress"),
			"__meta_dockerswarm_network_scope":                            model.LabelValue("swarm"),
			"__meta_dockerswarm_service_endpoint_port_name":               model.LabelValue(""),
			"__meta_dockerswarm_service_endpoint_port_publish_mode":       model.LabelValue("ingress"),
			"__meta_dockerswarm_service_id":                               model.LabelValue("uk9su5tb9ykfzew3qtmp14uzh"),
			"__meta_dockerswarm_service_label_com_docker_stack_image":     model.LabelValue("stefanprodan/swarmprom-grafana:5.3.4"),
			"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
			"__meta_dockerswarm_service_name":                             model.LabelValue("mon_grafana"),
			"__meta_dockerswarm_service_mode":                             model.LabelValue("replicated"),
			"__meta_dockerswarm_service_task_container_hostname":          model.LabelValue(""),
			"__meta_dockerswarm_service_task_container_image":             model.LabelValue("stefanprodan/swarmprom-grafana:5.3.4@sha256:2aca8aa5716e6e0eed3fcdc88fec256a0a1828c491a8cf240486ae7cc473092d"),
		},
		{
			"__address__":                                                 model.LabelValue("10.0.1.29:3000"),
			"__meta_dockerswarm_network_id":                               model.LabelValue("npq2closzy836m07eaq1425k3"),
			"__meta_dockerswarm_network_ingress":                          model.LabelValue("false"),
			"__meta_dockerswarm_network_internal":                         model.LabelValue("false"),
			"__meta_dockerswarm_network_label_com_docker_stack_namespace": model.LabelValue("mon"),
			"__meta_dockerswarm_network_name":                             model.LabelValue("mon_net"),
			"__meta_dockerswarm_network_scope":                            model.LabelValue("swarm"),
			"__meta_dockerswarm_service_endpoint_port_name":               model.LabelValue(""),
			"__meta_dockerswarm_service_endpoint_port_publish_mode":       model.LabelValue("ingress"),
			"__meta_dockerswarm_service_id":                               model.LabelValue("uk9su5tb9ykfzew3qtmp14uzh"),
			"__meta_dockerswarm_service_label_com_docker_stack_image":     model.LabelValue("stefanprodan/swarmprom-grafana:5.3.4"),
			"__meta_dockerswarm_service_label_com_docker_stack_namespace": model.LabelValue("mon"),
			"__meta_dockerswarm_service_name":                             model.LabelValue("mon_grafana"),
			"__meta_dockerswarm_service_mode":                             model.LabelValue("replicated"),
			"__meta_dockerswarm_service_task_container_hostname":          model.LabelValue(""),
			"__meta_dockerswarm_service_task_container_image":             model.LabelValue("stefanprodan/swarmprom-grafana:5.3.4@sha256:2aca8aa5716e6e0eed3fcdc88fec256a0a1828c491a8cf240486ae7cc473092d"),
		},
	} {
		t.Run(fmt.Sprintf("item %d", i), func(t *testing.T) {
			testutil.Equals(t, lbls, tg.Targets[i])
		})
	}
}