package main

import (
	"log"
	"net/http"
	"os"
	"strings"

	"github.com/joho/godotenv"

	"plumber"
	"plumber/internal/blob"
	"plumber/internal/store"
	"plumber/internal/web"
)

func main() {
	_ = godotenv.Load()
	listen := listenAddr()
	st, err := store.Connect(os.Getenv("DATABASE_URL"), env("DATA_PATH", "data.db"), plumber.SchemaSQL)
	if err != nil {
		log.Fatalf("database: %v", err)
	}
	defer st.Close()
	if os.Getenv("DATABASE_URL") != "" {
		log.Printf("database: postgres")
	} else {
		log.Printf("database: sqlite")
	}
	uploader := blob.NewSpaces(blob.SpacesConfig{
		Key:      os.Getenv("SPACES_KEY"),
		Secret:   os.Getenv("SPACES_SECRET"),
		Region:   os.Getenv("SPACES_REGION"),
		Bucket:   os.Getenv("SPACES_BUCKET"),
		Endpoint: os.Getenv("SPACES_ENDPOINT"),
		CDNBase:  os.Getenv("SPACES_CDN_BASE"),
	})
	if uploader.Enabled() {
		log.Printf("avatars: digitalocean spaces")
	} else {
		log.Printf("avatars: uploads disabled (set SPACES_* to enable)")
	}
	srv, err := web.New(st, st.SessionStore(), plumber.TemplateFS, plumber.StaticFS, web.Config{
		AdminUsername: os.Getenv("ADMIN_USERNAME"),
		SecureCookie:  os.Getenv("SECURE_COOKIE") == "1",
		Blob:          uploader,
	})
	if err != nil {
		log.Fatalf("server: %v", err)
	}
	log.Printf("listening on %s", listen)
	if err := http.ListenAndServe(listen, srv.Handler()); err != nil {
		log.Fatal(err)
	}
}

// listenAddr prefers PORT (App Platform / PaaS), then LISTEN, then :8080.
func listenAddr() string {
	if p := strings.TrimSpace(os.Getenv("PORT")); p != "" {
		if strings.HasPrefix(p, ":") {
			return p
		}
		return ":" + p
	}
	return env("LISTEN", ":8080")
}

func env(key, fallback string) string {
	v := strings.TrimSpace(os.Getenv(key))
	if v == "" {
		return fallback
	}
	return v
}