package main

import (
	"flag"
	"fmt"
	"log"
	"math/rand"
	"net/http"
	"time"

	"p83.nl/go/websub-hub/cmd/hubserver/storage"
)

func init() {
	log.SetFlags(log.Ltime | log.Lshortfile)
}

const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"

func randStringBytes(n int) string {
	b := make([]byte, n)
	for i := range b {
		b[i] = letterBytes[rand.Intn(len(letterBytes))]
	}
	return string(b)
}

type Stat struct {
	Updates    int
	LastUpdate time.Time
}

func main() {
	hostPort := flag.String("http", ":80", "host and port to listen on")
	baseURL := flag.String("baseurl", "", "baseurl that the server should response with")
	database := flag.String("database", "localhost:9999", "database hostpost")
	flag.Parse()

	log.Printf("Using arguments http=%s baseurl=%s database=%s", *hostPort, *baseURL, *database)

	dsn := fmt.Sprintf("postgres://%v:%v@%s/hub?sslmode=disable", "postgres", "simple", *database)
	store, err := storage.New(dsn)
	if err != nil {
		log.Fatal(err)
	}
	defer store.Close()

	handler := &subscriptionHandler{store, *baseURL}
	http.Handle("/", handler)
	log.Fatal(http.ListenAndServe(*hostPort, nil))
}