package main

import (
	"log"
	"os"
	"path/filepath"
	"strings"

	"github.com/pocketbase/pocketbase"
	"github.com/pocketbase/pocketbase/apis"
	"github.com/pocketbase/pocketbase/core"
)

func defaultPublicDir() string {
	if strings.HasPrefix(os.Args[0], os.TempDir()) {
		// most likely ran with go run
		return "./pb_public"
	}

	return filepath.Join(os.Args[0], "../pb_public")
}

func main() {
	app := pocketbase.New()

	var publicDirFlag string

	// add "--publicDir" option flag
	app.RootCmd.PersistentFlags().StringVar(
		&publicDirFlag,
		"publicDir",
		defaultPublicDir(),
		"the directory to serve static files",
	)

	app.OnBeforeServe().Add(func(e *core.ServeEvent) error {
		// serves static files from the provided public dir (if exists)
		e.Router.GET("/*", apis.StaticDirectoryHandler(os.DirFS(publicDirFlag), false))

		return nil
	})

	if err := app.Start(); err != nil {
		log.Fatal(err)
	}
}