// Copyright 2019 github.com. All rights reserved.
// Use of this source code is governed by github.com.

package pb

import (
	"dust-monitor/parser"
	"fmt"
	"time"

	grpc "google.golang.org/grpc"
	"google.golang.org/grpc/keepalive"
)

// 客户端集合
var SmartAlarm SmartAlarmClient
var SmartAuth SmartAuthClient
var SmartThirdparty SmartSiteThirdpartyClient
var SmartProvincial SmartProvincialClient

func setupSmartAlarmClient(kacp keepalive.ClientParameters, conns []*grpc.ClientConn) {
	// 根据是否为k8s来组装targets
	var serviceName string
	if parser.Conf.K8s {
		serviceName = parser.Conf.Rpc.SmartAlarm.ServiceName
	} else {
		serviceName = parser.Conf.Rpc.SmartAlarm.ServiceIp
	}

	// 发起一个连接并记录连接conn，后期释放
	if conn, err := grpc.Dial(fmt.Sprintf("%s:%d", serviceName,
		parser.Conf.Rpc.SmartAlarm.ServicePort),
		grpc.WithInsecure(), grpc.WithKeepaliveParams(kacp)); err == nil {
		SmartAlarm = NewSmartAlarmClient(conn)
		conns = append(conns, conn)
	} else {
		fmt.Println("[rpc] dial cabinet conn err", err)
	}
	return
}

func setupSmartAuthClient(kacp keepalive.ClientParameters, conns []*grpc.ClientConn) {
	// 根据是否为k8s来组装targets
	var serviceName string
	if parser.Conf.K8s {
		serviceName = parser.Conf.Rpc.SmartAuth.ServiceName
	} else {
		serviceName = parser.Conf.Rpc.SmartAuth.ServiceIp
	}

	// 发起一个连接并记录连接conn，后期释放
	if conn, err := grpc.Dial(fmt.Sprintf("%s:%d", serviceName,
		parser.Conf.Rpc.SmartAuth.ServicePort),
		grpc.WithInsecure(), grpc.WithKeepaliveParams(kacp)); err == nil {
		SmartAuth = NewSmartAuthClient(conn)
		conns = append(conns, conn)
	} else {
		fmt.Println("[rpc] dial cabinet conn err", err)
	}
	return
}

func setupSmartThirdpartyClient(kacp keepalive.ClientParameters, conns []*grpc.ClientConn) {
	// 根据是否为k8s来组装targets
	var serviceName string
	if parser.Conf.K8s {
		serviceName = parser.Conf.Rpc.SmartThirdparty.ServiceName
	} else {
		serviceName = parser.Conf.Rpc.SmartThirdparty.ServiceIp
	}

	// 发起一个连接并记录连接conn，后期释放
	if conn, err := grpc.Dial(fmt.Sprintf("%s:%d", serviceName,
		parser.Conf.Rpc.SmartThirdparty.ServicePort),
		grpc.WithInsecure(), grpc.WithKeepaliveParams(kacp)); err == nil {
		SmartThirdparty = NewSmartSiteThirdpartyClient(conn)
		conns = append(conns, conn)
	} else {
		fmt.Println("[rpc] dial cabinet conn err", err)
	}
	return
}

func setupSmartProvincialClient(kacp keepalive.ClientParameters, conns []*grpc.ClientConn) {
	// 根据是否为k8s来组装targets
	var serviceName string
	if parser.Conf.K8s {
		serviceName = parser.Conf.Rpc.SmartProvincial.ServiceName
	} else {
		serviceName = parser.Conf.Rpc.SmartProvincial.ServiceIp
	}

	// 发起一个连接并记录连接conn，后期释放
	if conn, err := grpc.Dial(fmt.Sprintf("%s:%d", serviceName,
		parser.Conf.Rpc.SmartProvincial.ServicePort),
		grpc.WithInsecure(), grpc.WithKeepaliveParams(kacp)); err == nil {
		SmartProvincial = NewSmartProvincialClient(conn)
		conns = append(conns, conn)
	} else {
		fmt.Println("[rpc] dial cabinet conn err", err)
	}
	return
}

// SetupClients 创建客户端
func SetupClients() (conns []*grpc.ClientConn) {
	// 客户端配置参数
	var kacp = keepalive.ClientParameters{
		// send pings every n seconds if there is no activity
		Time: time.Duration(parser.Conf.Rpc.Keepalive.ClientTime) * time.Second,
		// wait n second for ping ack before considering the connection dead
		Timeout: time.Duration(parser.Conf.Rpc.Keepalive.ClientTimeout) * time.Second,
		// send pings even without active streams
		PermitWithoutStream: true,
	}
	setupSmartAlarmClient(kacp, conns)
	setupSmartAuthClient(kacp, conns)
	setupSmartThirdpartyClient(kacp, conns)
	setupSmartProvincialClient(kacp, conns)
	return
}