package main

import (
	"embed"
	"log"
	"net/http"

	"github.com/jmoiron/sqlx"
	_ "modernc.org/sqlite" // Imported for side effects: registers DB driver
)

//go:embed templates/*.tpl
var templateFS embed.FS

//go:embed static/*
var staticFS embed.FS

type Handler struct {
	db *sqlx.DB
}

func httpError(w http.ResponseWriter, msg string, err error, status int) {
	log.Println(msg+":", err)
	http.Error(w, msg+": "+err.Error(), status)
}

func main() {
	db, err := sqlx.Open("sqlite", "vino.sqlite")
	if err != nil {
		log.Fatalln("can't open DB:", err)
	}
	defer db.Close()

	err = initDB(db)
	if err != nil {
		log.Fatalln("can't initialize DB:", err)
	}

	http.Handle("/static/", http.FileServer(http.FS(staticFS)))

	handler := Handler{
		db: db,
	}

	http.HandleFunc("/details/img", handler.img)
	http.HandleFunc("/details/", handler.details)
	http.HandleFunc("/", handler.index)

	const listenAddr = ":7878"

	log.Printf("here we go, listening on http://%s", listenAddr)

	err = http.ListenAndServe(listenAddr, nil)
	if err != nil {
		log.Fatalln("http handler failed:", err)
	}
}