// Copyright 2019 Yunion
//
// 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 db

import (
	"context"
	"net/http"
	"time"

	"yunion.io/x/jsonutils"
	"yunion.io/x/pkg/object"
	"yunion.io/x/pkg/util/rbacscope"
	"yunion.io/x/sqlchemy"

	"yunion.io/x/onecloud/pkg/apis"
	"yunion.io/x/onecloud/pkg/appsrv"
	"yunion.io/x/onecloud/pkg/cloudcommon/db/lockman"
	"yunion.io/x/onecloud/pkg/mcclient"
	"yunion.io/x/onecloud/pkg/util/splitable"
	"yunion.io/x/onecloud/pkg/util/stringutils2"
)

type IModelManager interface {
	lockman.ILockedClass
	object.IObject

	IsStandaloneManager() bool
	GetContextManagers() [][]IModelManager

	GetIModelManager() IModelManager

	GetMutableInstance(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, data jsonutils.JSONObject) IModelManager
	GetImmutableInstance(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject) IModelManager

	// Table() *sqlchemy.STable
	TableSpec() ITableSpec

	// Keyword() string
	// KeywordPlural() string
	Alias() string
	AliasPlural() string
	SetAlias(alias string, aliasPlural string)

	HasName() bool
	ValidateName(name string) error
	EnableGenerateName() bool

	// list hooks
	// AllowListItems(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject) bool
	ValidateListConditions(ctx context.Context, userCred mcclient.TokenCredential, query *jsonutils.JSONDict) (*jsonutils.JSONDict, error)
	// ListItemFilter dynamic called by dispatcher
	// ListItemFilter(ctx context.Context, q *sqlchemy.SQuery, userCred mcclient.TokenCredential, query jsonutils.JSONObject) (*sqlchemy.SQuery, error)
	CustomizeFilterList(ctx context.Context, q *sqlchemy.SQuery, userCred mcclient.TokenCredential, query jsonutils.JSONObject) (*CustomizeListFilters, error)
	ExtraSearchConditions(ctx context.Context, q *sqlchemy.SQuery, like string) []sqlchemy.ICondition
	GetExportExtraKeys(ctx context.Context, keys stringutils2.SSortedStrings, rowMap map[string]string) *jsonutils.JSONDict
	ListItemExportKeys(ctx context.Context, q *sqlchemy.SQuery, userCred mcclient.TokenCredential, keys stringutils2.SSortedStrings) (*sqlchemy.SQuery, error)
	// OrderByExtraFields dynmically called by dispatcher
	// OrderByExtraFields(ctx context.Context, q *sqlchemy.SQuery, userCred mcclient.TokenCredential, query jsonutils.JSONObject) (*sqlchemy.SQuery, error)

	// fetch hook
	Query(val ...string) *sqlchemy.SQuery
	RawQuery(val ...string) *sqlchemy.SQuery

	FilterById(q *sqlchemy.SQuery, idStr string) *sqlchemy.SQuery
	FilterByNotId(q *sqlchemy.SQuery, idStr string) *sqlchemy.SQuery
	FilterByName(q *sqlchemy.SQuery, name string) *sqlchemy.SQuery

	FilterByOwnerProvider
	//FilterByOwner(q *sqlchemy.SQuery, man FilterByOwnerProvider, userCred mcclient.TokenCredential, owner mcclient.IIdentityProvider, scope rbacscope.TRbacScope) *sqlchemy.SQuery

	FilterBySystemAttributes(q *sqlchemy.SQuery, userCred mcclient.TokenCredential, query jsonutils.JSONObject, scope rbacscope.TRbacScope) *sqlchemy.SQuery
	FilterByHiddenSystemAttributes(q *sqlchemy.SQuery, userCred mcclient.TokenCredential, query jsonutils.JSONObject, scope rbacscope.TRbacScope) *sqlchemy.SQuery
	FilterByUniqValues(q *sqlchemy.SQuery, uniqValues jsonutils.JSONObject) *sqlchemy.SQuery

	// GetOwnerId(userCred mcclient.IIdentityProvider) mcclient.IIdentityProvider

	// RawFetchById(idStr string) (IModel, error)
	FetchById(idStr string) (IModel, error)
	FetchByName(userCred mcclient.IIdentityProvider, idStr string) (IModel, error)
	FetchByIdOrName(userCred mcclient.IIdentityProvider, idStr string) (IModel, error)

	// create hooks
	// AllowCreateItem(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, data jsonutils.JSONObject) bool
	// BatchCreateValidateCreateData(ctx context.Context, userCred mcclient.TokenCredential, ownerId mcclient.IIdentityProvider, query jsonutils.JSONObject, data *jsonutils.JSONDict) (*jsonutils.JSONDict, error)
	// ValidateCreateData dynamic called by dispatcher
	// ValidateCreateData(ctx context.Context, userCred mcclient.TokenCredential, ownerId mcclient.IIdentityProvider, query jsonutils.JSONObject, data *jsonutils.JSONDict) (*jsonutils.JSONDict, error)
	OnCreateComplete(ctx context.Context, items []IModel, userCred mcclient.TokenCredential, ownerId mcclient.IIdentityProvider, query jsonutils.JSONObject, data []jsonutils.JSONObject)
	BatchPreValidate(ctx context.Context, userCred mcclient.TokenCredential, ownerId mcclient.IIdentityProvider,
		query jsonutils.JSONObject, data *jsonutils.JSONDict, count int) error

	OnCreateFailed(ctx context.Context, userCred mcclient.TokenCredential, ownerId mcclient.IIdentityProvider, query jsonutils.JSONObject, data jsonutils.JSONObject) error

	// allow perform action
	PerformAction(ctx context.Context, userCred mcclient.TokenCredential, action string, query jsonutils.JSONObject, data jsonutils.JSONObject) (jsonutils.JSONObject, error)

	// DoCreate(ctx context.Context, userCred mcclient.TokenCredential, kwargs jsonutils.JSONObject, data jsonutils.JSONObject, realManager IModelManager) (IModel, error)

	InitializeData() error

	CustomizeHandlerInfo(info *appsrv.SHandlerInfo)
	SetHandlerProcessTimeout(info *appsrv.SHandlerInfo, r *http.Request) time.Duration

	FetchCreateHeaderData(ctx context.Context, header http.Header) (jsonutils.JSONObject, error)
	FetchUpdateHeaderData(ctx context.Context, header http.Header) (jsonutils.JSONObject, error)
	IsCustomizedGetDetailsBody() bool
	ListSkipLog(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject) bool
	GetSkipLog(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject) bool

	// list extend colums hook
	// FetchCustomizeColumns dynamically called by dispatcher
	// FetchCustomizeColumns(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, objs []interface{}, fields stringutils2.SSortedStrings, isList bool) []*jsonutils.JSONDict

	// fetch owner Id from query when create resource
	FetchOwnerId(ctx context.Context, data jsonutils.JSONObject) (mcclient.IIdentityProvider, error)
	FetchUniqValues(ctx context.Context, data jsonutils.JSONObject) jsonutils.JSONObject

	/* name uniqueness scope, system/domain/project, default is system */
	NamespaceScope() rbacscope.TRbacScope
	ResourceScope() rbacscope.TRbacScope

	// 如果error为非空，说明没有匹配的field，如果为空，说明匹配上了
	QueryDistinctExtraField(q *sqlchemy.SQuery, field string) (*sqlchemy.SQuery, error)

	GetPagingConfig() *SPagingConfig

	GetI18N(ctx context.Context, idstr string, resObj jsonutils.JSONObject) *jsonutils.JSONDict

	GetSplitTable() *splitable.SSplitTableSpec

	CreateByInsertOrUpdate() bool

	CustomizedTotalCount(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, totalQ *sqlchemy.SQuery) (int, jsonutils.JSONObject, error)
}

type IModel interface {
	lockman.ILockedObject
	object.IObject

	GetName() string
	GetUpdateVersion() int
	GetUpdatedAt() time.Time
	GetDeleted() bool

	KeywordPlural() string

	GetModelManager() IModelManager
	SetModelManager(IModelManager, IModel)

	GetIModel() IModel

	GetShortDesc(ctx context.Context) *jsonutils.JSONDict

	// list hooks
	//GetCustomizeColumns(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject) *jsonutils.JSONDict

	// get hooks
	GetExtraDetailsHeaders(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject) map[string]string

	// before create hooks
	CustomizeCreate(ctx context.Context, userCred mcclient.TokenCredential, ownerId mcclient.IIdentityProvider, query jsonutils.JSONObject, data jsonutils.JSONObject) error
	// after create hooks
	PostCreate(ctx context.Context, userCred mcclient.TokenCredential, ownerId mcclient.IIdentityProvider, query jsonutils.JSONObject, data jsonutils.JSONObject)

	// allow perform action
	PerformAction(ctx context.Context, userCred mcclient.TokenCredential, action string, query jsonutils.JSONObject, data jsonutils.JSONObject) (jsonutils.JSONObject, error)
	PreCheckPerformAction(ctx context.Context, userCred mcclient.TokenCredential, action string, query jsonutils.JSONObject, data jsonutils.JSONObject) error

	// update hooks
	ValidateUpdateCondition(ctx context.Context) error

	// AllowUpdateItem(ctx context.Context, userCred mcclient.TokenCredential) bool
	// ValidateUpdateData(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, data *jsonutils.JSONDict) (*jsonutils.JSONDict, error)
	PreUpdate(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, data jsonutils.JSONObject)
	PostUpdate(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, data jsonutils.JSONObject)

	UpdateInContext(ctx context.Context, userCred mcclient.TokenCredential, ctxObjs []IModel, query jsonutils.JSONObject, data jsonutils.JSONObject) (jsonutils.JSONObject, error)

	// delete hooks
	// AllowDeleteItem(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, data jsonutils.JSONObject) bool
	// ValidateDeleteCondition(ctx context.Context, info jsonutils.JSONObject) error
	// CustomizeDelete(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, data jsonutils.JSONObject) error
	PreDelete(ctx context.Context, userCred mcclient.TokenCredential)
	MarkDelete() error
	Delete(ctx context.Context, userCred mcclient.TokenCredential) error
	PostDelete(ctx context.Context, userCred mcclient.TokenCredential)

	DeleteInContext(ctx context.Context, userCred mcclient.TokenCredential, ctxObjs []IModel, query jsonutils.JSONObject, data jsonutils.JSONObject) (jsonutils.JSONObject, error)

	GetOwnerId() mcclient.IIdentityProvider
	GetUniqValues() jsonutils.JSONObject

	IsSharable(reqCred mcclient.IIdentityProvider) bool

	CustomizedGetDetailsBody(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject) (jsonutils.JSONObject, error)
	MarkDeletePreventionOn()
	MarkDeletePreventionOff()

	GetUsages() []IUsage
	GetI18N(ctx context.Context) *jsonutils.JSONDict
}

type IResourceModelManager interface {
	IModelManager

	GetIResourceModelManager() IResourceModelManager
}

type IResourceModel interface {
	IModel

	GetIResourceModel() IResourceModel
}

type IJointModelManager interface {
	IResourceModelManager

	GetIJointModelManager() IJointModelManager

	GetMasterManager() IStandaloneModelManager
	GetSlaveManager() IStandaloneModelManager

	GetMasterFieldName() string
	GetSlaveFieldName() string
	// FetchByIds(masterId string, slaveId string, query jsonutils.JSONObject) (IJointModel, error)
	FilterByParams(q *sqlchemy.SQuery, params jsonutils.JSONObject) *sqlchemy.SQuery

	// AllowListDescendent(ctx context.Context, userCred mcclient.TokenCredential, model IStandaloneModel, query jsonutils.JSONObject) bool
	// AllowAttach(ctx context.Context, userCred mcclient.TokenCredential, master IStandaloneModel, slave IStandaloneModel) bool
}

type IJointModel interface {
	IResourceModel

	GetJointModelManager() IJointModelManager

	GetIJointModel() IJointModel

	// AllowDetach(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, data jsonutils.JSONObject) bool

	Detach(ctx context.Context, userCred mcclient.TokenCredential) error
	// AllowGetJointDetails(ctx context.Context, userCred mcclient.TokenCredential, query jsonutils.JSONObject, item IJointModel) bool
	// AllowUpdateJointItem(ctx context.Context, userCred mcclient.TokenCredential, item IJointModel) bool
}

type IMetadataBaseModelManager interface {
	GetMetadataHiddenKeys() []string
}

type IMetadataBaseModel interface {
	OnMetadataUpdated(ctx context.Context, userCred mcclient.TokenCredential)
}

type IStandaloneModelManager interface {
	IResourceModelManager

	GetIStandaloneModelManager() IStandaloneModelManager

	// GenerateName(ownerProjId string, hint string) string
	// ValidateName(name string) error
	// IsNewNameUnique(name string, projectId string) bool

	// FetchByExternalId(idStr string) (IStandaloneModel, error)

	IMetadataBaseModelManager
}

type IStandaloneModel interface {
	IResourceModel
	// IsAlterNameUnique(name string, projectId string) bool
	// GetExternalId() string

	SetName(name string)
	MarkPendingDeleted()

	StandaloneModelManager() IStandaloneModelManager

	GetIStandaloneModel() IStandaloneModel
	ClearSchedDescCache() error

	GetMetadata(ctx context.Context, key string, userCred mcclient.TokenCredential) string
	GetMetadataJson(ctx context.Context, key string, userCred mcclient.TokenCredential) jsonutils.JSONObject
	SetMetadata(ctx context.Context, key string, value interface{}, userCred mcclient.TokenCredential) error
	SetAllMetadata(ctx context.Context, dictstore map[string]interface{}, userCred mcclient.TokenCredential) error

	SetUserMetadataValues(ctx context.Context, dictstore map[string]string, userCred mcclient.TokenCredential) error
	SetUserMetadataAll(ctx context.Context, dictstore map[string]string, userCred mcclient.TokenCredential) error
	SetCloudMetadataAll(ctx context.Context, dictstore map[string]string, userCred mcclient.TokenCredential, readOnly bool) error
	SetOrganizationMetadataAll(ctx context.Context, dictstore map[string]string, userCred mcclient.TokenCredential) error
	SetSysCloudMetadataAll(ctx context.Context, dictstore map[string]string, userCred mcclient.TokenCredential, readOnly bool) error

	RemoveMetadata(ctx context.Context, key string, userCred mcclient.TokenCredential) error
	RemoveAllMetadata(ctx context.Context, userCred mcclient.TokenCredential) error
	GetAllMetadata(ctx context.Context, userCred mcclient.TokenCredential) (map[string]string, error)
	GetAllClassMetadata() (map[string]string, error)

	IsShared() bool

	IMetadataBaseModel
}

type IDomainLevelModelManager interface {
	IStandaloneModelManager

	GetIDomainLevelModelManager() IDomainLevelModelManager
	GetResourceCount() ([]SScopeResourceCount, error)
}

type IDomainLevelModel interface {
	IStandaloneModel

	IsOwner(userCred mcclient.TokenCredential) bool

	SyncCloudDomainId(userCred mcclient.TokenCredential, ownerId mcclient.IIdentityProvider)

	GetIDomainLevelModel() IDomainLevelModel

	IOwnerResourceBaseModel
}

type IInfrasModelManager interface {
	IDomainLevelModelManager

	GetIInfrasModelManager() IInfrasModelManager
}

type IInfrasModel interface {
	IDomainLevelModel
	ISharableBase

	GetIInfrasModel() IInfrasModel
}

type IVirtualModelManager interface {
	IStandaloneModelManager

	GetIVirtualModelManager() IVirtualModelManager
	GetResourceCount() ([]SScopeResourceCount, error)
}

type IUserModelManager interface {
	IStandaloneModelManager

	GetIUserModelManager() IUserModelManager
	GetResourceCount() ([]SScopeResourceCount, error)
}

type IVirtualModel interface {
	IStandaloneModel
	IPendingDeletable

	IsOwner(userCred mcclient.TokenCredential) bool
	// IsAdmin(userCred mcclient.TokenCredential) bool

	SetProjectSrc(apis.TOwnerSource)
	SyncCloudProjectId(userCred mcclient.TokenCredential, ownerId mcclient.IIdentityProvider)

	GetIVirtualModel() IVirtualModel

	IOwnerResourceBaseModel
}

type ISharableVirtualModelManager interface {
	IVirtualModelManager

	GetISharableVirtualModelManager() ISharableVirtualModelManager
}

type ISharableVirtualModel interface {
	IVirtualModel
	ISharableBase

	GetISharableVirtualModel() ISharableVirtualModel
	GetSharedProjects() []string
}

type IAdminSharableVirtualModelManager interface {
	ISharableVirtualModelManager

	GetIAdminSharableVirtualModelManager() IAdminSharableVirtualModelManager

	GetRecordsSeparator() string
	GetRecordsLimit() int
	ParseInputInfo(data *jsonutils.JSONDict) ([]string, error)
}

type IAdminSharableVirtualModel interface {
	ISharableVirtualModel
	GetInfo() []string

	GetIAdminSharableVirtualModel() IAdminSharableVirtualModel
}

type IStatusStandaloneModel interface {
	IStandaloneModel
	IStatusBase
}

type IStatusDomainLevelModel interface {
	IDomainLevelModel
	IStatusBase
}

type IStatusInfrasModel interface {
	IInfrasModel
	IStatusBase
}