package micro

import (
	"context"
	"github.com/gogf/gf/v2/container/gvar"
	"github.com/gogf/gf/v2/frame/g"
	consul "github.com/rpcxio/rpcx-consul/client"
	"github.com/smallnest/rpcx/client"
	"strings"
)

// InitMicroSrvClient 获取微服务客户端，arg为可选参数，若有必须是两个，分别是:reg string, serverAddr string
func InitMicroSrvClient(ctx context.Context, serviceName, key string, args ...string) (c client.XClient) {
	reg, _ := g.Config().Get(ctx, "service_registry.registry")
	etcdAddr, _ := g.Config().Get(ctx, "service_registry.server-addr")
	if len(args) == 2 {
		reg = gvar.New(args[0])
		etcdAddr = gvar.New(args[1])
	}

	config, _ := g.Config().Get(ctx, key)
	arr := strings.Split(config.String(), ",")
	srvName := arr[0]
	if len(arr) == 2 { // 点对点 直连
		d, _ := client.NewPeer2PeerDiscovery("tcp@"+arr[1], "")
		c = client.NewXClient(serviceName, client.Failtry, client.RandomSelect, d, client.DefaultOption)
		return c
	} else {
		if reg.String() == "consul" { // 服务发现使用consul
			//d, _ := etcd_client.NewEtcdV3Discovery(srvName, serviceName, []string{etcdAddr}, nil)
			d, _ := consul.NewConsulDiscovery(srvName, serviceName, []string{etcdAddr.String()}, nil)
			//d, _ := client.NewConsulDiscovery(srvName, serviceName, []string{etcdAddr}, nil)
			c = client.NewXClient(serviceName, client.Failover, client.RoundRobin, d, client.DefaultOption)
			return c
		}
	}
	return nil
}