package main

import (
	"app.yhyue.com/moapp/jybase/endless"
	"fmt"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/os/gctx"
	"github.com/gogf/gf/v2/os/gfsnotify"
	"gopkg.in/natefinch/lumberjack.v2"
	"jygit.jydev.jianyu360.cn/BaseService/ossClient/constant"
	ossService "jygit.jydev.jianyu360.cn/BaseService/ossService/oss"
	"jygit.jydev.jianyu360.cn/BaseService/ossService/util"
	"log"
	"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
	gfsnotify.Add("./config.json", func(event *gfsnotify.Event) {
		if event.IsWrite() || event.IsChmod() {
			log.Println("配置文件有变化，更新内存。。。")
			ossService.LoadOSSAccounts()
		}
	})
	// 初始化Redis（用于节点心跳检测）
	util.InitRedis()

	// 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 prevWarn int64
		for range ticker.C {
			util.SendHeartbeat()
			nodes, err := util.CheckOnlineNodes()
			if err != nil {
				log.Println("Heartbeat check error", err)
				continue
			}
			warnMaxNodeNum := g.Config().MustGet(ctx, "warnMaxNodeNum").Int()
			if len(nodes) < warnMaxNodeNum {
				alertMsg := fmt.Sprintf("在线节点数少于%d: 当前在线节点数：%d", warnMaxNodeNum, len(nodes))
				log.Println(alertMsg)
				if nowUnix := time.Now().Unix(); nowUnix-prevWarn > g.Config().MustGet(ctx, "warnInterval").Int64() {
					prevWarn = nowUnix
					util.SendWeixinNotification(alertMsg)
					util.SendEmailNotification(alertMsg)
				}
			}
		}
	}()
	// 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)
	}
}