metrics

var (
	// PreBlockerDuration tracks the time taken by the PreBlocker function.
	PreBlockerDuration = promauto.NewSummary(
		prometheus.SummaryOpts{
			Namespace: Namespace,
			Subsystem: "abci",
			Name:      "pre_blocker_duration_seconds",
			Help:      "Time taken by PreBlocker function in seconds",
			Objectives: map[float64]float64{
				0.50: 0.05,
				0.90: 0.01,
				0.99: 0.001,
			},
		},
	)

	// BeginBlockerDuration tracks the time taken by the BeginBlocker function.
	BeginBlockerDuration = promauto.NewSummary(
		prometheus.SummaryOpts{
			Namespace: Namespace,
			Subsystem: "abci",
			Name:      "begin_blocker_duration_seconds",
			Help:      "Time taken by BeginBlocker function in seconds",
			Objectives: map[float64]float64{
				0.50: 0.05,
				0.90: 0.01,
				0.99: 0.001,
			},
		},
	)

	// EndBlockerDuration tracks the time taken by the EndBlocker function.
	EndBlockerDuration = promauto.NewSummary(
		prometheus.SummaryOpts{
			Namespace: Namespace,
			Subsystem: "abci",
			Name:      "end_blocker_duration_seconds",
			Help:      "Time taken by EndBlocker function in seconds",
			Objectives: map[float64]float64{
				0.50: 0.05,
				0.90: 0.01,
				0.99: 0.001,
			},
		},
	)

	// PrepareProposalDuration tracks the time taken by the PrepareProposal handler.
	PrepareProposalDuration = promauto.NewSummary(
		prometheus.SummaryOpts{
			Namespace: Namespace,
			Subsystem: "abci",
			Name:      "prepare_proposal_duration_seconds",
			Help:      "Time taken by PrepareProposal handler in seconds",
			Objectives: map[float64]float64{
				0.50: 0.05,
				0.90: 0.01,
				0.99: 0.001,
			},
		},
	)

	// ProcessProposalDuration tracks the time taken by the ProcessProposal handler.
	ProcessProposalDuration = promauto.NewSummary(
		prometheus.SummaryOpts{
			Namespace: Namespace,
			Subsystem: "abci",
			Name:      "process_proposal_duration_seconds",
			Help:      "Time taken by ProcessProposal handler in seconds",
			Objectives: map[float64]float64{
				0.50: 0.05,
				0.90: 0.01,
				0.99: 0.001,
			},
		},
	)

	// ExtendVoteDuration tracks the time taken by ExtendVote handler.
	ExtendVoteDuration = promauto.NewSummary(
		prometheus.SummaryOpts{
			Namespace: Namespace,
			Subsystem: "abci",
			Name:      "extend_vote_duration_seconds",
			Help:      "Time taken by ExtendVote handler in seconds",
			Objectives: map[float64]float64{
				0.50: 0.05,
				0.90: 0.01,
				0.99: 0.001,
			},
		},
	)

	// VerifyVoteExtensionDuration tracks the time taken by VerifyVoteExtension handler.
	VerifyVoteExtensionDuration = promauto.NewSummary(
		prometheus.SummaryOpts{
			Namespace: Namespace,
			Subsystem: "abci",
			Name:      "verify_vote_extension_duration_seconds",
			Help:      "Time taken by VerifyVoteExtension handler in seconds",
			Objectives: map[float64]float64{
				0.50: 0.05,
				0.90: 0.01,
				0.99: 0.001,
			},
		},
	)

	// ExtendVoteBudgetExhaustedTotal counts ExtendVote handler turns where the
	// Zurich budget was exhausted before completion. Labels: phase = "side_tx_loop"
	// (truncated mid-side-tx iteration) or "pre_milestone" (skipped milestone
	// proposition entirely). This can be used to tune extendVoteBudget
	// against real Bor RPC tail latency.
	ExtendVoteBudgetExhaustedTotal = promauto.NewCounterVec(
		prometheus.CounterOpts{
			Namespace: Namespace,
			Subsystem: "abci",
			Name:      "extend_vote_budget_exhausted_total",
			Help:      "Number of ExtendVote turns where the Zurich budget was exhausted before completion, labeled by phase",
		},
		[]string{"phase"},
	)
)

var (
	BorFailoverSwitches = promauto.NewCounterVec(prometheus.CounterOpts{
		Namespace: Namespace,
		Subsystem: "bor_failover",
		Name:      "switches_total",
		Help:      "Total in-call failover switches of the active Bor endpoint, by transport",
	}, []string{"transport"})

	BorFailoverProactiveSwitches = promauto.NewCounterVec(prometheus.CounterOpts{
		Namespace: Namespace,
		Subsystem: "bor_failover",
		Name:      "proactive_switches_total",
		Help:      "Total background-prober switches of the active Bor endpoint (including revert-to-primary), by transport",
	}, []string{"transport"})

	BorFailoverActiveIndex = promauto.NewGaugeVec(prometheus.GaugeOpts{
		Namespace: Namespace,
		Subsystem: "bor_failover",
		Name:      "active_index",
		Help:      "Index of the currently active Bor endpoint (0 = primary), by transport",
	}, []string{"transport"})

	BorFailoverHealthyEndpoints = promauto.NewGaugeVec(prometheus.GaugeOpts{
		Namespace: Namespace,
		Subsystem: "bor_failover",
		Name:      "healthy_endpoints",
		Help:      "Number of Bor endpoints currently considered healthy, by transport",
	}, []string{"transport"})
)

var (
	// SelfHealStakeEventsProcessed counts missing nonce-gated stake events
	// (StakeUpdate, SignerChange, UnstakeInit) successfully recovered.
	SelfHealStakeEventsProcessed = promauto.NewCounter(prometheus.CounterOpts{
		Namespace: Namespace,
		Subsystem: "self_healing",
		Name:      "stake_events_processed_total",
		Help:      "Total number of missing nonce-gated stake events (StakeUpdate, SignerChange, UnstakeInit) processed by the self-heal loop",
	})

	// SelfHealStateSyncsProcessed counts missing StateSynced events
	// successfully recovered.
	SelfHealStateSyncsProcessed = promauto.NewCounter(prometheus.CounterOpts{
		Namespace: Namespace,
		Subsystem: "self_healing",
		Name:      "state_syncs_processed_total",
		Help:      "Total number of missing StateSynced events processed by the self-heal loop",
	})

	// SelfHealCheckpointAcksProcessed counts missing NewHeaderBlock checkpoint
	// acks successfully queued for replay.
	SelfHealCheckpointAcksProcessed = promauto.NewCounter(prometheus.CounterOpts{
		Namespace: Namespace,
		Subsystem: "self_healing",
		Name:      "checkpoint_acks_processed_total",
		Help:      "Total number of missing NewHeaderBlock checkpoint ACKs queued by the self-heal loop",
	})
)