package metrics

import (
	"git.frostfs.info/TrueCloudLab/frostfs-observability/metrics"
	"github.com/prometheus/client_golang/prometheus"
)

const namespace = "frostfs_node"

type NodeMetrics struct {
	engine        *engineMetrics
	state         *stateMetrics
	replicator    *replicatorMetrics
	objectService *objectServiceMetrics
	treeService   *treeServiceMetrics
	epoch         prometheus.Gauge
	fstree        *fstreeMetrics
	blobstore     *blobstoreMetrics
	blobobvnizca  *blobovnizca
	metabase      *metabaseMetrics
	pilorama      *piloramaMetrics
}

func NewNodeMetrics() *NodeMetrics {
	return &NodeMetrics{
		objectService: newObjectServiceMetrics(),
		engine:        newEngineMetrics(),
		state:         newStateMetrics(),
		replicator:    newReplicatorMetrics(),
		treeService:   newTreeServiceMetrics(),
		epoch: metrics.NewGauge(prometheus.GaugeOpts{
			Namespace: namespace,
			Subsystem: innerRingSubsystem,
			Name:      "epoch",
			Help:      "Current epoch as seen by inner-ring node.",
		}),
		fstree:       newFSTreeMetrics(),
		blobstore:    newBlobstoreMetrics(),
		blobobvnizca: newBlobovnizca(),
		metabase:     newMetabaseMetrics(),
		pilorama:     newPiloramaMetrics(),
	}
}

// SetEpoch updates epoch metric.
func (m *NodeMetrics) SetEpoch(epoch uint64) {
	m.epoch.Set(float64(epoch))
}

func (m *NodeMetrics) TreeService() TreeMetricsRegister {
	return m.treeService
}

func (m *NodeMetrics) Replicator() ReplicatorMetrics {
	return m.replicator
}

func (m *NodeMetrics) ObjectService() ObjectServiceMetrics {
	return m.objectService
}

func (m *NodeMetrics) Engine() EngineMetrics {
	return m.engine
}

func (m *NodeMetrics) State() StateMetrics {
	return m.state
}

func (m *NodeMetrics) FSTree() FSTreeMetrics {
	return m.fstree
}

func (m *NodeMetrics) Blobstore() BlobstoreMetrics {
	return m.blobstore
}

func (m *NodeMetrics) BlobobvnizcaTreeMetrics() BlobobvnizcaMetrics {
	return m.blobobvnizca
}

func (m *NodeMetrics) MetabaseMetrics() MetabaseMetrics {
	return m.metabase
}

func (m *NodeMetrics) PiloramaMetrics() PiloramaMetrics {
	return m.pilorama
}