/*
 * 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 main

import (
	"context"
	"fmt"
)

import (
	"dubbo.apache.org/dubbo-go/v3/config"
	_ "dubbo.apache.org/dubbo-go/v3/imports"
)

import (
	commentAPI "github.com/apache/dubbo-go-samples/task/shop/comment/api"
	"github.com/apache/dubbo-go-samples/task/shop/detail/api"
)

// DetailProvider is the provider of detail service
type DetailProvider struct {
	api.UnimplementedDetailServer
	commentService *commentAPI.CommentClientImpl
}

func NewDetailProvider() *DetailProvider {
	dp := &DetailProvider{}
	// set the comment rpc service
	dp.commentService = new(commentAPI.CommentClientImpl)
	config.SetConsumerService(dp.commentService)
	return dp
}

func (d *DetailProvider) GetItem(ctx context.Context, req *api.GetItemReq) (*api.Item, error) {
	//get comment from comment server
	comment, err := d.commentService.GetComment(context.Background(), &commentAPI.CommentReq{
		ItemName: "wudong",
	})
	if err != nil {
		fmt.Printf("Detail provider get comment error: %v\n", err)
	}
	return &api.Item{
		Sku:         req.Sku,
		ItemName:    "shirt",
		Description: "item from detail v1",
		Stock:       100,
		Price:       100,
		Comment:     comment.Msg,
	}, nil
}

func (d *DetailProvider) DeductStock(ctx context.Context, req *api.DeductStockReq) (*api.DeductStockResp, error) {
	return &api.DeductStockResp{Success: true}, nil
}

// export DUBBO_GO_CONFIG_PATH=../conf/dubbogo.yaml
func main() {
	config.SetProviderService(NewDetailProvider())
	if err := config.Load(); err != nil {
		panic(err)
	}
	select {}
}
