package main

import (
	"fmt"
	"html/template"
	"net/http"
	"os"
	"time"

	"nextbook/pkg/storygraph"

	"github.com/joho/godotenv"
)

var (
	port string
)

func init() {
	godotenv.Load(os.Getenv("DOTENV_DIR") + ".env")

	var ok bool
	port, ok = os.LookupEnv("PORT")
	if !ok {
		port = "8000"
	}
}

func main() {
	latestBooks := map[string]*storygraph.Book{}
	go func() {
		var err error
		for {
			latestBooks, err = storygraph.GetLatestBooks()
			if err != nil {
				fmt.Println("Error fetching latest books:", err)
				return
			}

			fmt.Println("Updated latest book recommendations")

			time.Sleep(1 * time.Hour)
		}
	}()

	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		tmpl := template.Must(template.ParseFiles("templates/index.html"))
		tmpl.Execute(w, latestBooks)
	})
	http.Handle("/assets/", http.StripPrefix("/assets/", http.FileServer(http.Dir("assets"))))
	http.ListenAndServe(fmt.Sprintf(":%s", port), nil)
}