/*
 * Licensed to the 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.
 * The 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 service

import (
	"errors"
	"github.com/apache/servicecomb-service-center/pkg/log"
	pb "github.com/apache/servicecomb-service-center/server/core/proto"
	"reflect"
)

func Validate(v interface{}) error {
	if v == nil {
		return errors.New("data is nil")
	}
	sv := reflect.ValueOf(v)
	if sv.Kind() == reflect.Ptr && sv.IsNil() {
		return errors.New("pointer is nil")
	}
	switch t := v.(type) {
	case *pb.CreateServiceRequest:
		return CreateServiceReqValidator().Validate(v)
	case *pb.GetServiceRequest,
		*pb.DeleteServiceRequest,
		*pb.GetDependenciesRequest:
		return GetServiceReqValidator().Validate(v)
	case *pb.UpdateServicePropsRequest:
		return UpdateServicePropsReqValidator().Validate(v)

	case *pb.CreateDependenciesRequest:
		return CreateDependenciesReqValidator().Validate(v)
	case *pb.AddDependenciesRequest:
		return AddDependenciesReqValidator().Validate(v)

	case *pb.GetServiceTagsRequest:
		return GetTagsReqValidator().Validate(v)
	case *pb.AddServiceTagsRequest:
		return AddTagsReqValidator().Validate(v)
	case *pb.UpdateServiceTagRequest:
		return UpdateTagReqValidator().Validate(v)
	case *pb.DeleteServiceTagsRequest:
		return DeleteTagReqValidator().Validate(v)

	case *pb.GetAllSchemaRequest:
		return GetSchemaReqValidator().Validate(v)
	case *pb.GetSchemaRequest,
		*pb.DeleteSchemaRequest:
		return GetSchemaReqValidator().Validate(v)
	case *pb.ModifySchemaRequest:
		return ModifySchemaReqValidator().Validate(v)
	case *pb.ModifySchemasRequest:
		return ModifySchemasReqValidator().Validate(v)

	case *pb.GetOneInstanceRequest,
		*pb.GetInstancesRequest:
		return GetInstanceReqValidator().Validate(v)
	case *pb.UpdateInstanceStatusRequest:
		return UpdateInstanceReqValidator().Validate(v)
	case *pb.RegisterInstanceRequest:
		return RegisterInstanceReqValidator().Validate(v)
	case *pb.FindInstancesRequest:
		return FindInstanceReqValidator().Validate(v)
	case *pb.HeartbeatRequest, *pb.UnregisterInstanceRequest:
		return HeartbeatReqValidator().Validate(v)
	case *pb.UpdateInstancePropsRequest:
		return UpdateInstancePropsReqValidator().Validate(v)

	case *pb.GetServiceRulesRequest:
		return GetRulesReqValidator().Validate(v)
	case *pb.AddServiceRulesRequest:
		return AddRulesReqValidator().Validate(v)
	case *pb.UpdateServiceRuleRequest:
		return UpdateRuleReqValidator().Validate(v)
	case *pb.DeleteServiceRulesRequest:
		return DeleteRulesReqValidator().Validate(v)

	case *pb.GetAppsRequest:
		return MicroServiceKeyValidator().Validate(v)
	default:
		log.Warnf("No validator for %T.", t)
		return nil
	}
}