package main

import (
	"context"
	"flag"
	"go/weather/internal/web"
	"go/weather/pkg/logger"
	"log"
	"os"
	"os/signal"
	"time"

	"go.uber.org/zap"
)

const (
	apiPrefix     = "/api"
	apiRouterName = "api"
)

func main() {
	var wait time.Duration
	flag.DurationVar(&wait, "graceful-timeout", time.Second*15, "the duration for which the server gracefully wait for existing connections to finish - e.g. 15s or 1m")
	flag.Parse()

	//logger
	loggerLevel := zap.NewAtomicLevel()
	defaultLogger := logger.NewLogger("default", "weather.log", loggerLevel)
	defer defaultLogger.Sync()

	//http
	addr := web.NewListenAddr("127.0.0.1", 8080)

	defaultLogger.Sugar().Infof("Weather server is listening on %s", addr)
	server := web.New(defaultLogger, addr).
		WithTLSConfigure().
		WithHandler().
		WithHTTPLogging().
		WithErrorLogging()

	go func() {
		if err := server.Serve(); err != nil {
			defaultLogger.Sugar().Info(err)
		}
	}()

	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt)

	<-c
	ctx, cancel := context.WithTimeout(context.Background(), wait)
	defer cancel()

	server.Shutdown(ctx)

	log.Println("shutting down")
	os.Exit(0)
}