// Copyright 2017 AMIS Technologies
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

package metrics

import (
	"time"
)

type Exporter interface {
	Export()
	SentTxCount() int64
	ExcutedTxCount() int64
	SnapshotTxReqMeter(name string) SnapshotStopper
	SnapshotTxRespMeter(name string) SnapshotStopper
}

func (mc *metricChain) Export() {
	mc.metricsMgr.Export()
}

func (mc *metricChain) SentTxCount() int64 {
	return mc.metricsMgr.SentTxCounter.Snapshot().Count()
}

func (mc *metricChain) ExcutedTxCount() int64 {
	return mc.metricsMgr.ExcutedTxCounter.Snapshot().Count()
}

func (mc *metricChain) SnapshotTxReqMeter(name string) SnapshotStopper {
	if name == "" {
		name = "snapshot"
	}
	return mc.metricsMgr.SnapshotMeter(mc.metricsMgr.ReqMeter, name, 5*time.Second)
}

func (mc *metricChain) SnapshotTxRespMeter(name string) SnapshotStopper {
	if name == "" {
		name = "snapshot"
	}
	return mc.metricsMgr.SnapshotMeter(mc.metricsMgr.RespMeter, name, 5*time.Second)
}