package main

import (
	_ "embed"
	"log"
	"os"
	"os/signal"
	"syscall"
	"net/http"
	"time"

	"github.com/gorilla/mux"
)

const (
	Addr = "127.0.0.1:8000"
	ReadTimeout = 15 * time.Second
	WriteTimeout = 15 * time.Second
)

//go:embed VERSION.txt
var versionTxt string
var router *mux.Router = mux.NewRouter()

func main() {
	run(router, Addr, WriteTimeout, ReadTimeout, []syscall.Signal{syscall.SIGTERM, syscall.SIGINT})
}

func run(handler http.Handler, addr string, wTimeout time.Duration, rTimeout time.Duration, signals []syscall.Signal) {
	log.Println("finserv finance server was started.")
	defer log.Println("finserv finance server was stopped.")

	server := &http.Server{
		Handler:      handler,
		Addr:         addr,
		WriteTimeout: wTimeout,
		ReadTimeout:  rTimeout,
	}

	go server.ListenAndServe()
	log.Printf("Serving at http://%s\n", Addr)

	await(signals...)
}

func await(signals ...syscall.Signal) {
	listener := make(chan os.Signal, 1)
	for _, s := range signals {
		signal.Notify(listener, s)
	}
	sig := <-listener
	log.Printf("Received OS signal '%v'\n", sig)
}