package main

import (
	"flag"
	"fmt"
	"net/http"
	"os"
	"os/signal"
	"syscall"

	"git.fromouter.space/Artificiale/moa/sd"

	"github.com/go-kit/kit/log"

	svc "git.abbiamoundominio.org/hamcha/bacheca"
)

func main() {
	httpPort := flag.Int("http.port", 8080, "HTTP listen port")
	consulAddr := flag.String("consul.addr", "consul:8500", "Consul address")
	flag.Parse()

	var logger log.Logger
	{
		logger = log.NewLogfmtLogger(os.Stderr)
		logger = log.With(logger, "ts", log.DefaultTimestampUTC)
		logger = log.With(logger, "caller", log.DefaultCaller)
	}

	s := svc.MakeService()
	handler := svc.MakeHTTPHandler(s, logger)

	// Register with consul
	registrar := sd.Register(*consulAddr, sd.Options{
		Name:      "bacheca",
		Advertise: fmt.Sprintf("bacheca:%d", *httpPort),
		Tags: []string{
			"http",              // Expose via HTTP
			"match-path:events", // Publish at /events/*
			"private",           // All APIs are private..
			"public:/feed",      // ..except /feed
		},
	}, logger)
	defer registrar.Deregister()

	errs := make(chan error)
	go func() {
		c := make(chan os.Signal)
		signal.Notify(c, syscall.SIGINT, syscall.SIGTERM)
		errs <- fmt.Errorf("%s", <-c)
	}()

	go func() {
		bind := fmt.Sprintf(":%d", *httpPort)
		logger.Log("transport", "HTTP", "addr", bind)
		errs <- http.ListenAndServe(bind, handler)
	}()

	logger.Log("exit", <-errs)
}