package main

import (
	"fmt"
	"github.com/nacos-group/nacos-sdk-go/clients"
	"github.com/nacos-group/nacos-sdk-go/common/constant"
	"github.com/nacos-group/nacos-sdk-go/vo"
	"github.com/spf13/viper"
	"log"
	"strings"
)

func main() {
	//创建 ServerConfig
	serverConfigs := []constant.ServerConfig{
		{
			IpAddr: "127.0.0.1",
			Port:   8848,
		},
	}

	//创建 ClientConfig
	clientConfig := constant.ClientConfig{
		NamespaceId:         "36a76206-1dec-4fb7-aa7f-dc49314e7963", //we can create multiple clients with different namespaceId to support multiple namespace.When namespace is public, fill in the blank string here.
		TimeoutMs:           5000,
		NotLoadCacheAtStart: true,
		LogLevel:            "debug",
	}

	//创建 Client
	nacosClient, err := clients.NewConfigClient(
		vo.NacosClientParam{
			ClientConfig:  &clientConfig,
			ServerConfigs: serverConfigs,
		},
	)
	if err != nil {
		log.Fatal("nacos初始化错误:", err)
	}

	//读取配置
	content, err := nacosClient.GetConfig(vo.ConfigParam{DataId: "dev001", Group: "DEFAULT_GROUP"})
	if err != nil {
		log.Fatalln("nacos读取配置错误:" + content)
	}

	//viper解析配置文件
	var defaultConfig *viper.Viper
	defaultConfig = viper.New()
	defaultConfig.SetConfigType("toml")
	err = defaultConfig.ReadConfig(strings.NewReader(content))
	if err != nil {
		log.Fatalln("viper解析配置失败:", err)
	}

	//获取解析出的配置文件的内容
	port := defaultConfig.GetString("server.port")
	fmt.Println("the config port:", port)
}