// Licensed to Apache Software Foundation (ASF) under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Apache Software Foundation (ASF) licenses this file to you 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 utils

import (
	api "skywalking.apache.org/repo/goapi/query"

	"strings"
)

// ParseScope defines the scope based on the input parameters.
func ParseScope(entity *api.Entity) *api.Scope {
	scope := api.ScopeAll

	if *entity.DestProcessName != "" {
		scope = api.ScopeProcessRelation
	} else if *entity.DestEndpointName != "" {
		scope = api.ScopeEndpointRelation
	} else if *entity.DestServiceInstanceName != "" {
		scope = api.ScopeServiceInstanceRelation
	} else if *entity.DestServiceName != "" {
		scope = api.ScopeServiceRelation
	} else if *entity.EndpointName != "" {
		scope = api.ScopeEndpoint
	} else if *entity.ProcessName != "" {
		scope = api.ScopeProcess
	} else if *entity.ServiceInstanceName != "" {
		scope = api.ScopeServiceInstance
	} else if *entity.ServiceName != "" {
		scope = api.ScopeService
	}

	return &scope
}

// ParseScopeInTop defines the scope based on the metrics' name.
// The scope can only be `Service` or `ServiceInstance` or `Endpoint`.
func ParseScopeInTop(metricsName string) api.Scope {
	scope := api.ScopeService

	if strings.HasPrefix(metricsName, "service_instance") {
		scope = api.ScopeServiceInstance
	} else if strings.HasPrefix(metricsName, "endpoint") {
		scope = api.ScopeEndpoint
	}

	return scope
}
