package main

import (
	"app.yhyue.com/moapp/jybase/endless"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/os/gctx"
	"github.com/gogf/gf/v2/os/gfsnotify"
	"google.golang.org/grpc"
	"gopkg.in/natefinch/lumberjack.v2"
	"jygit.jydev.jianyu360.cn/BaseService/ossClient/constant"
	"jygit.jydev.jianyu360.cn/BaseService/ossClient/pb"
	ossService "jygit.jydev.jianyu360.cn/BaseService/ossService/oss"
	"jygit.jydev.jianyu360.cn/BaseService/ossService/util"
	"log"
	"net"
	"net/http"
	"net/rpc"
	"time"
)

func main() {
	ctx := gctx.New()
	var logger *lumberjack.Logger
	g.Config().MustGet(ctx, "logger").Struct(&logger)
	log.SetOutput(logger)
	// 初始化OSS帐号与bucket信息
	ossService.LoadOSSAccounts()
	// 注册一个回调函数，当配置发生变更时会被调用
	downLoadPoolSize := g.Config().MustGet(gctx.New(), "downLoadPoolSize").Int()
	getDetailFromEsPoolSize := g.Config().MustGet(gctx.New(), "getDetailFromEsPoolSize").Int()
	getDetailFromMgoPoolSize := g.Config().MustGet(gctx.New(), "getDetailFromMgoPoolSize").Int()
	gfsnotify.Add("./config.yaml", func(event *gfsnotify.Event) {
		log.Println(event.String())
		if event.IsWrite() || event.IsChmod() || event.IsRename() {
			log.Println("配置文件有变化，更新内存。。。")
			ossService.LoadOSSAccounts()
			if poolSize := g.Config().MustGet(gctx.New(), "downLoadPoolSize").Int(); downLoadPoolSize != poolSize {
				downLoadPoolSize = poolSize
				ossService.DownLoadPool = make(chan bool, downLoadPoolSize)
			}
			if poolSize := g.Config().MustGet(gctx.New(), "getDetailFromEsPoolSize").Int(); getDetailFromEsPoolSize != poolSize {
				getDetailFromEsPoolSize = poolSize
				ossService.GetDetailFromEsPool = make(chan bool, getDetailFromEsPoolSize)
			}
			if poolSize := g.Config().MustGet(gctx.New(), "getDetailFromMgoPoolSize").Int(); getDetailFromMgoPoolSize != poolSize {
				getDetailFromMgoPoolSize = poolSize
				ossService.GetDetailFromMgoPool = make(chan bool, getDetailFromMgoPoolSize)
			}
		}
	})
	// 启动心跳检测协程，每5秒发送一次心跳，同时检查在线节点数量
	go func() {
		ticker := time.NewTicker(5 * time.Second)
		var onlineNodesPrevWarn, downLoadQueuePrevWarn int64
		ctx := gctx.New()
		for range ticker.C {
			util.SendHeartbeat(ctx)
			util.CheckOnlineNodes(ctx, &onlineNodesPrevWarn)
			util.CheckDownLoadQueue(ctx, &downLoadQueuePrevWarn)
		}
	}()
	go func() {
		//创建一个grpc 服务器
		s := grpc.NewServer()
		//注册事件
		pb.RegisterServiceServer(s, &ossService.Grpc{})
		grpcPort := g.Config().MustGet(gctx.New(), "grpcPort").String()
		//处理链接
		listen, err := net.Listen("tcp", grpcPort)
		if err != nil {
			log.Println(err)
		} else {
			log.Println("grpc server is listening", grpcPort)
		}
		s.Serve(listen)
	}()
	// 启动RPC服务：注册OSSService，实现接口调用
	rpcService := new(ossService.OSSService)
	rpc.Register(rpcService)
	rpc.HandleHTTP()

	http.HandleFunc(constant.UploadUrl, ossService.UploadHandler)
	http.HandleFunc(constant.DownloadUrl, ossService.DownloadHandler)
	http.HandleFunc(constant.DeleteUrl, ossService.DeleteHandler)
	http.HandleFunc("/ossservice/nodes", ossService.NodesHandler)
	http.HandleFunc(constant.GetBidDetailUrl, ossService.BidDetailHandler)
	port := g.Config().MustGet(ctx, "port").String()
	log.Println("HTTP server started on " + port)
	if err := endless.ListenAndServe(port, nil, func() {}); err != nil {
		log.Fatalln("HTTP server error", err)
	}
}