package main

import (
	"fmt"
	"net"
	"net/http"
	"os"
	"runtime"
	"service/app/levi/controller"
	"service/library/httpengine"
	"service/library/httpserver"
	"service/library/logger"
	"strings"
	"time"
)

func main() {
	defer func() {
		logger.Recover()
	}()

	// 初始化http server
	ip := GetIp()
	port := 9900
	router := httpengine.NewRouter()
	controller.Init(router)
	srv := &http.Server{
		Addr:    fmt.Sprintf("%s:%d", ip, port),
		Handler: router,
	}

	httpserver.StartLeviServer(srv, ip, port)
}

func PrintAndExit(msg string) {
	_, file, line, _ := runtime.Caller(1)
	errorMsg := fmt.Sprintf("file %s, line %d, %s\n", file, line, msg)
	_, _ = fmt.Fprintf(os.Stderr, errorMsg)
	logger.Fatal(errorMsg)
	time.Sleep(1) //wait logger flush
	//os.Exit(1)
}

func GetIp() string {
	addrs, err := net.InterfaceAddrs()
	if err != nil {
		PrintAndExit("get ip fail")
		return "127.0.0.1"
	}
	retIp := ""
	for _, address := range addrs {
		// 检查ip地址判断是否回环地址
		if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
			if ipnet.IP.To4() != nil {
				ip := ipnet.IP.String()
				if strings.HasPrefix(ip, "172.") {
					retIp = ip
					break
				}
			}
		}
	}
	return retIp
}