"fmt"
	"strings"
)

// TargetID - holds identification and name strings of notification target.
type TargetID struct {
	ID   string
	Name string
}

// String - returns string representation.
func (tid TargetID) String() string {
	return tid.ID + ":" + tid.Name
}

// ToARN - converts to ARN.
func (tid TargetID) ToARN(region string) ARN {
	return ARN{TargetID: tid, region: region}
}

	"fmt"
	"strings"
)

// TargetID - holds identification and name strings of notification target.
type TargetID struct {
	ID   string
	Name string
}

// String - returns string representation.
func (tid TargetID) String() string {
	return tid.ID + ":" + tid.Name
}

// ToARN - converts to ARN.
func (tid TargetID) ToARN(region string) ARN {
	return ARN{TargetID: tid, region: region}
}

//	group2 contains the remaining targets
func splitTargets(targets []Target, t types.TargetType) (group1 []Target, group2 []Target) {
	for _, target := range targets {
		if target.Type() == t {
			group1 = append(group1, target)
		} else {
			group2 = append(group2, target)
		}
	}
	return
}

func cancelTargets(targets []Target) {
	for _, target := range targets {
		go target.Cancel()
	}
}

	list.Lock()
	defer list.Unlock()

	for _, target := range targets {
		if _, ok := list.targets[target.ID()]; ok {
			return fmt.Errorf("target %v already exists", target.ID())
		}
		list.targets[target.ID()] = target
	}

	return nil
}

// Exists - checks whether target by target ID exists or not.
func (list *TargetList) Exists(id TargetID) bool {
	list.RLock()
	defer list.RUnlock()

		target, ok := list.targets[id]
		if ok {
			target.Close()
			delete(list.targets, id)
		}
	}
}

// Targets - list all targets
func (list *TargetList) Targets() []Target {
	if list == nil {
		return []Target{}
	}

	list.RLock()
	defer list.RUnlock()

	targets := make([]Target, 0, len(list.targets))
	for _, tgt := range list.targets {
		targets = append(targets, tgt)

		return arns
	}
	region := globalSite.Region()
	for targetID := range evnot.targetList.TargetMap() {
		// httpclient target is part of ListenNotification
		// which doesn't need to be listed as part of the ARN list
		// This list is only meant for external targets, filter
		// this out pro-actively.
		if !strings.HasPrefix(targetID.ID, "httpclient+") {
			arns = append(arns, targetID.ToARN(region).String())
		}
	}

	return arns
}

)

type ExampleTarget struct {
	id       TargetID
	sendErr  bool
	closeErr bool
}

func (target ExampleTarget) ID() TargetID {
	return target.id
}

// Save - Sends event directly without persisting.
func (target ExampleTarget) Save(eventData Event) error {
	return target.send(eventData)
}

// Store - Returns a nil store.
func (target ExampleTarget) Store() TargetStore {
	return nil
}

func (target *NSQTarget) Name() string {
	return target.ID().String()
}

// Store returns any underlying store if set.
func (target *NSQTarget) Store() event.TargetStore {
	return target.store
}

// IsActive - Return true if target is up and active
func (target *NSQTarget) IsActive() (bool, error) {
	if err := target.init(); err != nil {
		return false, err
	}
	return target.isActive()
}

// GetLambdaWebhook - returns a map of registered notification 'webhook' targets
func GetLambdaWebhook(webhookKVS map[string]config.KVS, transport *http.Transport) (
	map[string]target.WebhookArgs, error,
) {
	webhookTargets := make(map[string]target.WebhookArgs)
	for k, kv := range config.Merge(webhookKVS, target.EnvWebhookEnable, DefaultWebhookKVS) {
		enableEnv := target.EnvWebhookEnable
		if k != config.Default {

	},
	{ // 2. replication status for one target
		name:      "replication status for one target",
		rs:        ReplicationState{ReplicationStatusInternal: "arn1=PENDING;", Targets: map[string]replication.StatusType{"arn1": "PENDING"}},
		expStatus: replication.Pending,
	},
	{ // 3. replication status for one target - incorrect format
		name:      "replication status for one target",