/*
 * Copyright 2020-present Open Networking Foundation
 *
 * 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 common provides global definitions
package common

import (
	"context"
	"sync"
	"time"

	me "github.com/opencord/omci-lib-go/v2/generated"
	"github.com/opencord/voltha-lib-go/v7/pkg/db"
	"github.com/opencord/voltha-lib-go/v7/pkg/events/eventif"
	"github.com/opencord/voltha-openonu-adapter-go/internal/pkg/devdb"
	ia "github.com/opencord/voltha-protos/v5/go/inter_adapter"
	"github.com/opencord/voltha-protos/v5/go/openolt"
	"github.com/opencord/voltha-protos/v5/go/voltha"
)

// IopenONUAC interface to openONUAC
type IopenONUAC interface {
	GetSupportedFsms() *OmciDeviceFsms
	LockMutexMibTemplateGenerated()
	UnlockMutexMibTemplateGenerated()
	GetMibTemplatesGenerated(string) (bool, bool)
	SetMibTemplatesGenerated(string, bool)
	RLockMutexDeviceHandlersMap()
	RUnlockMutexDeviceHandlersMap()
	GetDeviceHandler(string) (IdeviceHandler, bool)
}

// IdeviceHandler interface to deviceHandler
type IdeviceHandler interface {
	GetDeviceID() string
	GetLogicalDeviceID() string
	GetDevice() *voltha.Device
	GetDeviceType() string
	GetProxyAddressID() string
	GetProxyAddressType() string
	GetProxyAddress() *voltha.Device_ProxyAddress
	GetEventProxy() eventif.EventProxy
	GetOmciTimeout() int
	GetAlarmAuditInterval() time.Duration
	GetDlToOnuTimeout4M() time.Duration
	GetUniEntityMap() *OnuUniPortMap
	GetUniPortMask() int
	GetPonPortNumber() *uint32
	GetOnuIndication() *openolt.OnuIndication
	GetUniVlanConfigFsm(uint8) IuniVlanConfigFsm
	GetTechProfileInstanceFromParentAdapter(context.Context, uint8, string) (*ia.TechProfileDownloadMessage, error)
	GetExtendedOmciSupportEnabled() bool

	GetDeviceReasonString() string
	ReasonUpdate(context.Context, uint8, bool) error

	GetCollectorIsRunning() bool
	StartCollector(context.Context, *sync.WaitGroup)
	InitPmConfigs()
	GetPmConfigs() *voltha.PmConfigs
	GetMetricsEnabled() bool
	GetOnuMetricsManager() IonuMetricsManager
	GetOnuAlarmManager() IonuAlarmManager
	GetOnuTP() IonuUniTechProf

	GetAlarmManagerIsRunning(context.Context) bool
	StartAlarmManager(context.Context)

	GetFlowMonitoringIsRunning(uniID uint8) bool

	CheckAuditStartCondition(context.Context, UsedOmciConfigFsms) bool

	RemoveOnuUpgradeFsm(context.Context, *voltha.ImageState)
	DeviceProcStatusUpdate(context.Context, OnuDeviceEvent)

	SetReadyForOmciConfig(bool)
	IsReadyForOmciConfig() bool
	IsOltAvailable() bool

	StorePersistentData(context.Context) error
	StorePersUniFlowConfig(context.Context, uint8, *[]UniVlanFlowParams, bool) error

	StartReconciling(context.Context, bool)
	IsReconciling() bool
	IsSkipOnuConfigReconciling() bool
	SetReconcilingReasonUpdate(bool)
	IsReconcilingReasonUpdate() bool
	PrepareReconcilingWithActiveAdapter(context.Context)
	ReconcileDeviceTechProf(context.Context) bool
	ReconcileDeviceFlowConfig(context.Context)
	GetReconcileExpiryVlanConfigAbort() time.Duration
	SendChUniVlanConfigFinished(value uint16)

	VerifyUniVlanConfigRequest(context.Context, *OnuUniPort, uint8)
	VerifyVlanConfigRequest(context.Context, uint8, uint8)
	AddAllUniPorts(context.Context)
	RemoveVlanFilterFsm(context.Context, *OnuUniPort)

	EnableUniPortStateUpdate(context.Context)
	DisableUniPortStateUpdate(context.Context)

	SetBackend(context.Context, string) *db.Backend
	GetBackendPathPrefix() string

	RLockMutexDeletionInProgressFlag()
	RUnlockMutexDeletionInProgressFlag()
	GetDeletionInProgress() bool

	SendOMCIRequest(context.Context, string, *ia.OmciMessage) error
	SendOnuSwSectionsOfWindow(context.Context, string, *ia.OmciMessages) error

	CreatePortInCore(context.Context, *voltha.Port) error

	PerOnuFlowHandlerRoutine(uniID uint8)
}

// IonuDeviceEntry interface to onuDeviceEntry
type IonuDeviceEntry interface {
	GetDevOmciCC() *OmciCC
	GetOnuDB() *devdb.OnuDeviceDB
	GetPersSerialNumber() string
	GetPersVendorID() string
	GetPersVersion() string
	GetPersEquipmentID() string
	GetPersIsExtOmciSupported() bool

	GetMibUploadFsmCommChan() chan Message
	GetMibDownloadFsmCommChan() chan Message

	GetOmciRebootMsgRevChan() chan Message
	WaitForRebootResponse(context.Context, chan Message) error

	IncrementMibDataSync(context.Context)

	GetActiveImageMeID(context.Context) (uint16, error)
	HandleSwImageIndications(context.Context, uint16, me.AttributeValueMap) bool
	GetPersActiveSwVersion() string
	SetPersActiveSwVersion(string)
	GetActiveImageVersion(context.Context) string
	ModifySwImageInactiveVersion(context.Context, string)
	ModifySwImageActiveCommit(context.Context, uint8)

	AllocateFreeTcont(context.Context, uint16) (uint16, bool, error)
	FreeTcont(context.Context, uint16)

	SendOnuDeviceEvent(context.Context, string, string)
}

// IonuMetricsManager interface to onuMetricsManager
type IonuMetricsManager interface {
	AddGemPortForPerfMonitoring(context.Context, uint16)
	RemoveGemPortForPerfMonitoring(context.Context, uint16)
}

// IonuAlarmManager interface to onuAlarmManager
type IonuAlarmManager interface {
	HandleOmciAlarmNotificationMessage(context.Context, OmciMessage)
	ResetAlarmUploadCounters()
	GetAlarmMgrEventChannel() chan Message
	GetAlarmUploadSeqNo() uint16
	IncrementAlarmUploadSeqNo()
}

// IonuUniTechProf interface to onuUniTechProf
type IonuUniTechProf interface {
	GetAllBidirectionalGemPortIDsForOnu() []uint16
	GetNumberOfConfiguredUsGemPorts(ctx context.Context) int
	SetProfileToDelete(uint8, uint8, bool)
}

// IuniVlanConfigFsm interface to uniVlanConfigFsm
type IuniVlanConfigFsm interface {
	IsFlowRemovePending(context.Context, chan<- bool) bool
}