// SPDX-License-Identifier: MIT
// SPDX-FileCopyrightText: 2023 mochi-mqtt
// SPDX-FileContributor: dgduncan, mochi-co

package main

import (
	"flag"
	"fmt"
	"github.com/mochi-mqtt/server/v2/config"
	"log"
	"log/slog"
	"os"
	"os/signal"
	"syscall"

	mqtt "github.com/mochi-mqtt/server/v2"
)

func main() {
	slog.SetDefault(slog.New(slog.NewTextHandler(os.Stdout, nil))) // set basic logger to ensure logs before configuration are in a consistent format

	configFile := flag.String("config", "config.yaml", "path to mochi config yaml or json file")
	flag.Parse()

	entries, err := os.ReadDir("./")
	if err != nil {
		log.Fatal(err)
	}

	for _, e := range entries {
		fmt.Println(e.Name())
	}

	sigs := make(chan os.Signal, 1)
	done := make(chan bool, 1)
	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
	go func() {
		<-sigs
		done <- true
	}()

	configBytes, err := os.ReadFile(*configFile)
	if err != nil {
		log.Fatal(err)
	}

	options, err := config.FromBytes(configBytes)
	if err != nil {
		log.Fatal(err)
	}

	server := mqtt.New(options)

	go func() {
		err := server.Serve()
		if err != nil {
			log.Fatal(err)
		}
	}()

	<-done
	server.Log.Warn("caught signal, stopping...")
	_ = server.Close()
	server.Log.Info("mochi mqtt shutdown complete")
}