package main

import (
	"basic.com/valib/bhomeclient.git"
	"basic.com/valib/bhomedbapi.git"
	"basic.com/valib/logger.git"
	"basic.com/valib/version.git"
	"context"
	"flag"
	"fmt"
	"os"
	"os/signal"
	"syscall"
	"vamicro/config"
	"vamicro/projection-service/controllers"
	"vamicro/projection-service/zconf"
)

/*
功能: 投影算法配置程序, 根据前端配置, 重新生成投影算法的zconf 文件, 并重启算法进程
*/

var (
	procName = "projection-service"
	proc     = &bhomeclient.ProcInfo{
		Name: procName, //进程名称
		ID:   procName, //进程id
		Info: "",       //进程的描述信息，用于区分同一进程名称下多个进程
	}
	env = flag.String("e", "pro", "")

	dbPath string = "../config/projection-service.db"
)

func init() {
	flag.Parse()
	vaversion.Usage()

	config.Init(*env)

	// 日志初始化
	var logFile = config.LogConf.Path + "vamicro-" + procName + ".log"
	logger.InitLogger(logFile, config.LogConf.Level, config.LogConf.MaxSize, config.LogConf.MaxBackups, config.LogConf.MaxAge)
	logger.Info("log init success !")
}

func main() {
	//防止多进程运行
	lockFile := "/tmp/run/projection-service.lock"
	var lock *os.File
	lock, err := os.Create(lockFile)
	if err != nil {
		fmt.Println("create lock file error", err)
		os.Exit(1)
	}

	defer os.Remove(lockFile)
	defer lock.Close()

	err = syscall.Flock(int(lock.Fd()), syscall.LOCK_EX|syscall.LOCK_NB)
	if err != nil {
		fmt.Println("projection service is running ")
		os.Exit(1)
	}

	defer syscall.Flock(int(lock.Fd()), syscall.LOCK_UN)

	// 加载算法配置文件, 不存在则初始化
	zconf.LoadConfig()

	fm, pubTopics := initFuncMap()
	var reg = &bhomeclient.RegisterInfo{
		Proc:     *proc,
		Channel:  nil,
		PubTopic: pubTopics,
		SubTopic: nil,
	}

	q := make(chan os.Signal, 1)
	signal.Notify(q, os.Interrupt, os.Kill, syscall.SIGTERM)

	ctx, cancel := context.WithCancel(context.Background())
	ms, err := bhomeclient.NewMicroNode(ctx, q, config.Server.AnalyServerId, reg, logger.Debug)
	if err != nil {
		return
	}

	bhomedbapi.InitLog(logger.Debug)
	bhomedbapi.InitGetNetNode(ms.GetLocalNetNodeByTopic)
	bhomedbapi.InitDoReq(ms.RequestOnly)

	go ms.StartServer(fm)

	<-q

	fmt.Println(" Ctrl c")

	_ = ms.DeRegister()

	cancel()

	ms.Free()
}

const urlPrefix = "/data/api-v"

func initFuncMap() (map[string]bhomeclient.MicroFunc, []string) {
	funcMap := make(map[string]bhomeclient.MicroFunc)

	controller := new(controllers.ReportServiceController)

	funcMap[urlPrefix+"/projection/getConfig"] = controller.GetConfigInfo
	funcMap[urlPrefix+"/projection/setConfig"] = controller.SetConfigInfo
	funcMap[urlPrefix+"/projection/upload"] = controller.UploadFile

	var pubTopics []string
	for key, _ := range funcMap {
		pubTopics = append(pubTopics, key)
	}

	return funcMap, pubTopics
}