// Copyright 2024 CloudWeGo Authors
//
// 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 rpc

import (
	"sync"

	"github.com/cloudwego/biz-demo/gomall/app/cart/conf"
	cartutils "github.com/cloudwego/biz-demo/gomall/app/cart/utils"
	"github.com/cloudwego/biz-demo/gomall/common/clientsuite"
	"github.com/cloudwego/biz-demo/gomall/common/mtl"
	"github.com/cloudwego/biz-demo/gomall/rpc_gen/kitex_gen/product/productcatalogservice"
	"github.com/cloudwego/kitex/client"
	"github.com/cloudwego/kitex/pkg/rpcinfo"
	"github.com/cloudwego/kitex/pkg/transmeta"
	"github.com/cloudwego/kitex/transport"
	consul "github.com/kitex-contrib/registry-consul"
)

var (
	ProductClient productcatalogservice.Client
	once          sync.Once
)

func InitClient() {
	once.Do(func() {
		initProductClient()
	})
}

func initProductClient() {
	var opts []client.Option
	r, err := consul.NewConsulResolver(conf.GetConf().Registry.RegistryAddress[0])
	cartutils.MustHandleError(err)
	opts = append(opts, client.WithResolver(r), client.WithSuite(clientsuite.CommonGrpcClientSuite{
		CurrentServiceName: conf.GetConf().Kitex.Service,
		TracerProvider:     mtl.TracerProvider,
	}))
	opts = append(opts,
		client.WithClientBasicInfo(&rpcinfo.EndpointBasicInfo{ServiceName: conf.GetConf().Kitex.Service}),
		client.WithTransportProtocol(transport.GRPC),
		client.WithMetaHandler(transmeta.ClientHTTP2Handler),
	)

	ProductClient, err = productcatalogservice.NewClient("product", opts...)
	cartutils.MustHandleError(err)
}
